bambuddy/frontend/src/pages/PrintersPage.tsx

import { useState, useEffect, useMemo, useRef, useCallback } from 'react';
import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
import { useTranslation } from 'react-i18next';
import { useTheme } from '../contexts/ThemeContext';
import { useAuth } from '../contexts/AuthContext';
import {
  Plus,
  Link,
  Unlink,
  Signal,
  Clock,
  MoreVertical,
  Trash2,
  RefreshCw,
  Box,
  HardDrive,
  AlertTriangle,
  AlertCircle,
  Terminal,
  Power,
  PowerOff,
  Zap,
  Wrench,
  ChevronDown,
  Pencil,
  ArrowUp,
  ArrowDown,
  Layers,
  Video,
  Search,
  Loader2,
  Square,
  Pause,
  Play,
  X,
  Fan,
  Wind,
  AirVent,
  Download,
  ScanSearch,
  CheckCircle,
  CheckSquare,
  XCircle,
  User,
  Home,
  Printer as PrinterIcon,
  Info,
  Cable,
  Flame,
  Gauge,
  ArrowDownToLine,
  ArrowUpFromLine,
} from 'lucide-react';

import { useNavigate } from 'react-router-dom';
import { api, discoveryApi, firmwareApi, withStreamToken } from '../api/client';
import { formatDateOnly, formatETA, formatDuration, parseUTCDate } from '../utils/date';
import type { Printer, PrinterCreate, AMSUnit, DiscoveredPrinter, FirmwareUpdateInfo, FirmwareUploadStatus, LinkedSpoolInfo, SpoolAssignment, HMSError } from '../api/client';
import { Card, CardContent } from '../components/Card';
import { Button } from '../components/Button';
import { ConfirmModal } from '../components/ConfirmModal';
import { BulkPrinterToolbar, type PrinterState } from '../components/BulkPrinterToolbar';
import { FileManagerModal } from '../components/FileManagerModal';
import { EmbeddedCameraViewer } from '../components/EmbeddedCameraViewer';
import { MQTTDebugModal } from '../components/MQTTDebugModal';
import { HMSErrorModal, filterKnownHMSErrors } from '../components/HMSErrorModal';
import { PrinterQueueWidget } from '../components/PrinterQueueWidget';
import { AMSHistoryModal } from '../components/AMSHistoryModal';
import { FilamentHoverCard, EmptySlotHoverCard } from '../components/FilamentHoverCard';
import { LinkSpoolModal } from '../components/LinkSpoolModal';
import { AssignSpoolModal } from '../components/AssignSpoolModal';
import { ConfigureAmsSlotModal } from '../components/ConfigureAmsSlotModal';
import { useToast } from '../contexts/ToastContext';
import { ChamberLight } from '../components/icons/ChamberLight';
import { SkipObjectsModal, SkipObjectsIcon } from '../components/SkipObjectsModal';
import { FileUploadModal } from '../components/FileUploadModal';
import { PrintModal } from '../components/PrintModal';
import { PrinterInfoModal } from '../components/PrinterInfoModal';
import { getGlobalTrayId, getFillBarColor, getSpoolmanFillLevel, getFallbackSpoolTag } from '../utils/amsHelpers';
import { getPrinterImage, getWifiStrength, filterCompatibleQueueItems } from '../utils/printer';
import { FilamentSlotCircle } from '../components/FilamentSlotCircle';
import { getColorName, parseFilamentColor, isLightColor } from '../utils/colors';

// Complete Bambu Lab filament color mapping by tray_id_name
// Source: https://github.com/queengooborg/Bambu-Lab-RFID-Library
const BAMBU_FILAMENT_COLORS: Record<string, string> = {
  // PLA Basic (A00)
  'A00-W1': 'Jade White',
  'A00-P0': 'Beige',
  'A00-D2': 'Light Gray',
  'A00-Y0': 'Yellow',
  'A00-Y2': 'Sunflower Yellow',
  'A00-A1': 'Pumpkin Orange',
  'A00-A0': 'Orange',
  'A00-Y4': 'Gold',
  'A00-G3': 'Bright Green',
  'A00-G1': 'Bambu Green',
  'A00-G2': 'Mistletoe Green',
  'A00-R3': 'Hot Pink',
  'A00-P6': 'Magenta',
  'A00-R0': 'Red',
  'A00-R2': 'Maroon Red',
  'A00-P5': 'Purple',
  'A00-P2': 'Indigo Purple',
  'A00-B5': 'Turquoise',
  'A00-B8': 'Cyan',
  'A00-B3': 'Cobalt Blue',
  'A00-N0': 'Brown',
  'A00-N1': 'Cocoa Brown',
  'A00-Y3': 'Bronze',
  'A00-D0': 'Gray',
  'A00-D1': 'Silver',
  'A00-B1': 'Blue Grey',
  'A00-D3': 'Dark Gray',
  'A00-K0': 'Black',
  // PLA Basic Gradient (A00-M*)
  'A00-M3': 'Pink Citrus',
  'A00-M6': 'Dusk Glare',
  'A00-M0': 'Arctic Whisper',
  'A00-M1': 'Solar Breeze',
  'A00-M5': 'Blueberry Bubblegum',
  'A00-M4': 'Mint Lime',
  'A00-M2': 'Ocean to Meadow',
  'A00-M7': 'Cotton Candy Cloud',
  // PLA Lite (A18)
  'A18-K0': 'Black',
  'A18-D0': 'Gray',
  'A18-W0': 'White',
  'A18-R0': 'Red',
  'A18-Y0': 'Yellow',
  'A18-B0': 'Cyan',
  'A18-B1': 'Blue',
  'A18-P0': 'Matte Beige',
  // PLA Matte (A01)
  'A01-W2': 'Ivory White',
  'A01-W3': 'Bone White',
  'A01-Y2': 'Lemon Yellow',
  'A01-A2': 'Mandarin Orange',
  'A01-P3': 'Sakura Pink',
  'A01-P4': 'Lilac Purple',
  'A01-R3': 'Plum',
  'A01-R1': 'Scarlet Red',
  'A01-R4': 'Dark Red',
  'A01-G0': 'Apple Green',
  'A01-G1': 'Grass Green',
  'A01-G7': 'Dark Green',
  'A01-B4': 'Ice Blue',
  'A01-B0': 'Sky Blue',
  'A01-B3': 'Marine Blue',
  'A01-B6': 'Dark Blue',
  'A01-Y3': 'Desert Tan',
  'A01-N1': 'Latte Brown',
  'A01-N3': 'Caramel',
  'A01-R2': 'Terracotta',
  'A01-N2': 'Dark Brown',
  'A01-N0': 'Dark Chocolate',
  'A01-D3': 'Ash Gray',
  'A01-D0': 'Nardo Gray',
  'A01-K1': 'Charcoal',
  // PLA Glow (A12)
  'A12-G0': 'Green',
  'A12-R0': 'Pink',
  'A12-A0': 'Orange',
  'A12-Y0': 'Yellow',
  'A12-B0': 'Blue',
  // PLA Marble (A07)
  'A07-R5': 'Red Granite',
  'A07-D4': 'White Marble',
  // PLA Aero (A11)
  'A11-W0': 'White',
  'A11-K0': 'Black',
  // PLA Sparkle (A08)
  'A08-G3': 'Alpine Green Sparkle',
  'A08-D5': 'Slate Gray Sparkle',
  'A08-B7': 'Royal Purple Sparkle',
  'A08-R2': 'Crimson Red Sparkle',
  'A08-K2': 'Onyx Black Sparkle',
  'A08-Y1': 'Classic Gold Sparkle',
  // PLA Metal (A02)
  'A02-B2': 'Cobalt Blue Metallic',
  'A02-G2': 'Oxide Green Metallic',
  'A02-Y1': 'Iridium Gold Metallic',
  'A02-D2': 'Iron Gray Metallic',
  // PLA Translucent (A17)
  'A17-B1': 'Blue',
  'A17-A0': 'Orange',
  'A17-P0': 'Purple',
  // PLA Silk+ (A06)
  'A06-Y1': 'Gold',
  'A06-D0': 'Titan Gray',
  'A06-D1': 'Silver',
  'A06-W0': 'White',
  'A06-R0': 'Candy Red',
  'A06-G0': 'Candy Green',
  'A06-G1': 'Mint',
  'A06-B1': 'Blue',
  'A06-B0': 'Baby Blue',
  'A06-P0': 'Purple',
  'A06-R1': 'Rose Gold',
  'A06-R2': 'Pink',
  'A06-Y0': 'Champagne',
  // PLA Silk Multi-Color (A05)
  'A05-M8': 'Dawn Radiance',
  'A05-M4': 'Aurora Purple',
  'A05-M1': 'South Beach',
  'A05-T3': 'Neon City',
  'A05-T2': 'Midnight Blaze',
  'A05-T1': 'Gilded Rose',
  'A05-T4': 'Blue Hawaii',
  'A05-T5': 'Velvet Eclipse',
  // PLA Galaxy (A15)
  'A15-B0': 'Purple',
  'A15-G0': 'Green',
  'A15-G1': 'Nebulae',
  'A15-R0': 'Brown',
  // PLA Wood (A16)
  'A16-K0': 'Black Walnut',
  'A16-R0': 'Rosewood',
  'A16-N0': 'Clay Brown',
  'A16-G0': 'Classic Birch',
  'A16-W0': 'White Oak',
  'A16-Y0': 'Ochre Yellow',
  // PLA-CF (A50)
  'A50-D6': 'Lava Gray',
  'A50-K0': 'Black',
  'A50-B6': 'Royal Blue',
  // PLA Tough+ (A10)
  'A10-W0': 'White',
  'A10-D0': 'Gray',
  // PLA Tough (A09)
  'A09-B5': 'Lavender Blue',
  'A09-B4': 'Light Blue',
  'A09-A0': 'Orange',
  'A09-D1': 'Silver',
  'A09-R3': 'Vermilion Red',
  'A09-Y0': 'Yellow',
  // PETG HF (G02)
  'G02-K0': 'Black',
  'G02-W0': 'White',
  'G02-R0': 'Red',
  'G02-D0': 'Gray',
  'G02-D1': 'Dark Gray',
  'G02-Y1': 'Cream',
  'G02-Y0': 'Yellow',
  'G02-A0': 'Orange',
  'G02-N1': 'Peanut Brown',
  'G02-G1': 'Lime Green',
  'G02-G0': 'Green',
  'G02-G2': 'Forest Green',
  'G02-B1': 'Lake Blue',
  'G02-B0': 'Blue',
  // PETG Translucent (G01)
  'G01-G1': 'Translucent Teal',
  'G01-B0': 'Translucent Light Blue',
  'G01-C0': 'Clear',
  'G01-D0': 'Translucent Gray',
  'G01-G0': 'Translucent Olive',
  'G01-N0': 'Translucent Brown',
  'G01-A0': 'Translucent Orange',
  'G01-P1': 'Translucent Pink',
  'G01-P0': 'Translucent Purple',
  // PETG-CF (G50)
  'G50-P7': 'Violet Purple',
  'G50-K0': 'Black',
  // ABS (B00)
  'B00-D1': 'Silver',
  'B00-K0': 'Black',
  'B00-W0': 'White',
  'B00-G6': 'Bambu Green',
  'B00-G7': 'Olive',
  'B00-Y1': 'Tangerine Yellow',
  'B00-A0': 'Orange',
  'B00-R0': 'Red',
  'B00-B4': 'Azure',
  'B00-B0': 'Blue',
  'B00-B6': 'Navy Blue',
  // ABS-GF (B50)
  'B50-A0': 'Orange',
  'B50-K0': 'Black',
  // ASA (B01)
  'B01-W0': 'White',
  'B01-K0': 'Black',
  'B01-D0': 'Gray',
  // ASA Aero (B02)
  'B02-W0': 'White',
  // PC (C00)
  'C00-C1': 'Transparent',
  'C00-C0': 'Clear Black',
  'C00-K0': 'Black',
  'C00-W0': 'White',
  // PC FR (C01)
  'C01-K0': 'Black',
  // TPU for AMS (U02)
  'U02-B0': 'Blue',
  'U02-D0': 'Gray',
  'U02-K0': 'Black',
  // PAHT-CF (N04)
  'N04-K0': 'Black',
  // PA6-GF (N08)
  'N08-K0': 'Black',
  // Support for PLA/PETG (S02, S05)
  'S02-W0': 'Nature',
  'S02-W1': 'White',
  'S05-C0': 'Black',
  // Support for ABS (S06)
  'S06-W0': 'White',
  // Support for PA/PET (S03)
  'S03-G1': 'Green',
  // PVA (S04)
  'S04-Y0': 'Clear',
};

// Fallback color codes for unknown material prefixes
const BAMBU_COLOR_CODE_FALLBACK: Record<string, string> = {
  'W0': 'White', 'W1': 'Jade White', 'W2': 'Ivory White', 'W3': 'Bone White',
  'Y0': 'Yellow', 'Y1': 'Gold', 'Y2': 'Sunflower Yellow', 'Y3': 'Bronze', 'Y4': 'Gold',
  'A0': 'Orange', 'A1': 'Pumpkin Orange', 'A2': 'Mandarin Orange',
  'R0': 'Red', 'R1': 'Scarlet Red', 'R2': 'Maroon Red', 'R3': 'Hot Pink', 'R4': 'Dark Red', 'R5': 'Red Granite',
  'P0': 'Beige', 'P1': 'Pink', 'P2': 'Indigo Purple', 'P3': 'Sakura Pink', 'P4': 'Lilac Purple', 'P5': 'Purple', 'P6': 'Magenta', 'P7': 'Violet Purple',
  'B0': 'Blue', 'B1': 'Blue Grey', 'B2': 'Cobalt Blue', 'B3': 'Cobalt Blue', 'B4': 'Ice Blue', 'B5': 'Turquoise', 'B6': 'Navy Blue', 'B7': 'Royal Purple', 'B8': 'Cyan',
  'G0': 'Green', 'G1': 'Grass Green', 'G2': 'Mistletoe Green', 'G3': 'Bright Green', 'G6': 'Bambu Green', 'G7': 'Dark Green',
  'N0': 'Brown', 'N1': 'Peanut Brown', 'N2': 'Dark Brown', 'N3': 'Caramel',
  'D0': 'Gray', 'D1': 'Silver', 'D2': 'Light Gray', 'D3': 'Dark Gray', 'D4': 'White Marble', 'D5': 'Slate Gray', 'D6': 'Lava Gray',
  'K0': 'Black', 'K1': 'Charcoal', 'K2': 'Onyx Black',
  'C0': 'Clear Black', 'C1': 'Transparent',
  'M0': 'Arctic Whisper', 'M1': 'Solar Breeze', 'M2': 'Ocean to Meadow', 'M3': 'Pink Citrus', 'M4': 'Aurora Purple', 'M5': 'Blueberry Bubblegum', 'M6': 'Dusk Glare', 'M7': 'Cotton Candy Cloud', 'M8': 'Dawn Radiance',
  'T1': 'Gilded Rose', 'T2': 'Midnight Blaze', 'T3': 'Neon City', 'T4': 'Blue Hawaii', 'T5': 'Velvet Eclipse',
};

// Extract plate number from gcode_file path and append to print name
function formatPrintName(name: string | null, gcodeFile: string | null | undefined, t: (key: string, fallback: string, opts?: Record<string, unknown>) => string): string {
  if (!name) return '';
  if (!gcodeFile) return name;
  const match = gcodeFile.match(/plate_(\d+)\.gcode/);
  if (match && parseInt(match[1], 10) > 1) {
    return `${name} — ${t('printers.plateNumber', 'Plate {{number}}', { number: match[1] })}`;
  }
  return name;
}

// Get color name from Bambu Lab tray_id_name (e.g., "A00-Y2" -> "Sunflower Yellow")
function getBambuColorName(trayIdName: string | null | undefined): string | null {
  if (!trayIdName) return null;

  // First try exact match with full tray_id_name
  if (BAMBU_FILAMENT_COLORS[trayIdName]) {
    return BAMBU_FILAMENT_COLORS[trayIdName];
  }

  // Fall back to color code suffix lookup for unknown material prefixes
  const parts = trayIdName.split('-');
  if (parts.length < 2) return null;
  const colorCode = parts[1];
  return BAMBU_COLOR_CODE_FALLBACK[colorCode] || null;
}

// Format K value with 3 decimal places, default to 0.020 if null
function formatKValue(k: number | null | undefined): string {
  const value = k ?? 0.020;
  return value.toFixed(3);
}

// Nozzle side indicators (Bambu Lab style - square badge with L/R)
function NozzleBadge({ side }: { side: 'L' | 'R' }) {
  const { mode } = useTheme();
  // Light mode: #e7f5e9 (light green), Dark mode: #1a4d2e (dark green)
  const bgColor = mode === 'dark' ? '#1a4d2e' : '#e7f5e9';
  return (
    <span
      className="inline-flex items-center justify-center w-4 h-4 text-[10px] font-bold rounded"
      style={{ backgroundColor: bgColor, color: '#00ae42' }}
    >
      {side}
    </span>
  );
}

// Expand nozzle type codes to material names
// Handles full text ("hardened_steel"), 2-char codes ("HS"/"HH"), and 4-char codes ("HS01")
// Material mapping: 00=stainless steel, 01=hardened steel, 05=tungsten carbide
function nozzleTypeName(type: string, t: (key: string) => string): string {
  if (!type) return '';
  // Full text names (from main nozzle info)
  if (type.includes('hardened')) return t('printers.nozzleHardenedSteel');
  if (type.includes('stainless')) return t('printers.nozzleStainlessSteel');
  if (type.includes('tungsten')) return t('printers.nozzleTungstenCarbide');
  // 4-char codes (e.g. "HS01"): last 2 digits = material
  if (type.length >= 4) {
    const material = type.slice(2, 4);
    if (material === '00') return t('printers.nozzleStainlessSteel');
    if (material === '01') return t('printers.nozzleHardenedSteel');
    if (material === '05') return t('printers.nozzleTungstenCarbide');
  }
  // 2-digit numeric codes
  if (type === '00') return t('printers.nozzleStainlessSteel');
  if (type === '01') return t('printers.nozzleHardenedSteel');
  if (type === '05') return t('printers.nozzleTungstenCarbide');
  // 2-char alpha codes: H prefix = hardened steel
  if (type.startsWith('H')) return t('printers.nozzleHardenedSteel');
  return type;
}

// Parse flow type from nozzle type code
// HH = high flow, HS = standard/normal
function nozzleFlowName(type: string, t: (key: string) => string): string {
  if (!type) return '';
  if (type.startsWith('HH')) return t('printers.nozzleHighFlow');
  if (type.startsWith('HS')) return t('printers.nozzleStandardFlow');
  return '';
}

// Per-slot hover card for nozzle rack
// activeStatus: when true, show "Active" instead of "Mounted"/"Docked" (for hotend nozzles)
function NozzleSlotHoverCard({ slot, index, activeStatus, filamentName, children }: {
  slot: import('../api/client').NozzleRackSlot;
  index: number;
  activeStatus?: boolean;
  filamentName?: string;
  children: React.ReactNode;
}) {
  const { t } = useTranslation();
  const [isVisible, setIsVisible] = useState(false);
  const [position, setPosition] = useState<'top' | 'bottom'>('top');
  const triggerRef = useRef<HTMLDivElement>(null);
  const cardRef = useRef<HTMLDivElement>(null);
  const timeoutRef = useRef<ReturnType<typeof setTimeout> | null>(null);

  const isEmpty = !slot.nozzle_diameter && !slot.nozzle_type;
  const isMounted = slot.stat === 1;

  useEffect(() => {
    if (isVisible && triggerRef.current && cardRef.current) {
      const triggerRect = triggerRef.current.getBoundingClientRect();
      const cardHeight = cardRef.current.offsetHeight;
      const headerHeight = 56;
      const spaceAbove = triggerRect.top - headerHeight;
      const spaceBelow = window.innerHeight - triggerRect.bottom;
      if (spaceAbove < cardHeight + 12 && spaceBelow > spaceAbove) {
        setPosition('bottom');
      } else {
        setPosition('top');
      }
    }
  }, [isVisible]);

  const handleMouseEnter = () => {
    if (timeoutRef.current) clearTimeout(timeoutRef.current);
    timeoutRef.current = setTimeout(() => setIsVisible(true), 80);
  };

  const handleMouseLeave = () => {
    if (timeoutRef.current) clearTimeout(timeoutRef.current);
    timeoutRef.current = setTimeout(() => setIsVisible(false), 100);
  };

  useEffect(() => {
    return () => {
      if (timeoutRef.current) clearTimeout(timeoutRef.current);
    };
  }, []);

  const filamentCss = parseFilamentColor(slot.filament_color);
  const typeFull = nozzleTypeName(slot.nozzle_type, t);
  const flowFull = nozzleFlowName(slot.nozzle_type, t);

  return (
    <div
      ref={triggerRef}
      className="relative"
      onMouseEnter={handleMouseEnter}
      onMouseLeave={handleMouseLeave}
    >
      {children}

      {isVisible && (
        <div
          ref={cardRef}
          className={`
            absolute left-1/2 -translate-x-1/2 z-50
            ${position === 'top' ? 'bottom-full mb-2' : 'top-full mt-2'}
            animate-in fade-in-0 zoom-in-95 duration-150
          `}
          style={{ maxWidth: 'calc(100vw - 24px)' }}
        >
          <div className="w-44 bg-bambu-dark-secondary border border-bambu-dark-tertiary rounded-lg shadow-xl overflow-hidden backdrop-blur-sm">
            {isEmpty ? (
              <div className="px-3 py-2 text-xs text-bambu-gray text-center whitespace-nowrap">
                Slot {index + 1} — Empty
              </div>
            ) : (
              <div className="p-2.5 space-y-1.5">
                {/* Diameter */}
                <div className="flex items-center justify-between">
                  <span className="text-[10px] uppercase tracking-wider text-bambu-gray font-medium">{t('printers.nozzleDiameter')}</span>
                  <span className="text-xs text-white font-semibold">{slot.nozzle_diameter} mm</span>
                </div>

                {/* Type */}
                {typeFull && (
                  <div className="flex items-center justify-between">
                    <span className="text-[10px] uppercase tracking-wider text-bambu-gray font-medium">{t('printers.nozzleType')}</span>
                    <span className="text-xs text-white font-semibold truncate max-w-[100px]">{typeFull}</span>
                  </div>
                )}

                {/* Flow (hide if empty) */}
                {flowFull && (
                  <div className="flex items-center justify-between">
                    <span className="text-[10px] uppercase tracking-wider text-bambu-gray font-medium">{t('printers.nozzleFlow')}</span>
                    <span className="text-xs text-white font-semibold">{flowFull}</span>
                  </div>
                )}

                {/* Status badge */}
                <div className="flex items-center justify-between">
                  <span className="text-[10px] uppercase tracking-wider text-bambu-gray font-medium">{t('printers.nozzleStatus')}</span>
                  <span className={`text-[10px] font-bold px-1.5 py-0.5 rounded ${
                    activeStatus || isMounted
                      ? 'bg-green-900/50 text-green-400'
                      : 'bg-bambu-dark-tertiary text-bambu-gray'
                  }`}>
                    {activeStatus ? t('printers.nozzleActive') : isMounted ? t('printers.nozzleMounted') : t('printers.nozzleDocked')}
                  </span>
                </div>

                {/* Wear (hide if null) */}
                {slot.wear != null && (
                  <div className="flex items-center justify-between">
                    <span className="text-[10px] uppercase tracking-wider text-bambu-gray font-medium">{t('printers.nozzleWear')}</span>
                    <span className="text-xs text-white font-semibold">{slot.wear}%</span>
                  </div>
                )}

                {/* Max Temp (hide if 0) */}
                {slot.max_temp > 0 && (
                  <div className="flex items-center justify-between">
                    <span className="text-[10px] uppercase tracking-wider text-bambu-gray font-medium">{t('printers.nozzleMaxTemp')}</span>
                    <span className="text-xs text-white font-semibold">{slot.max_temp}°C</span>
                  </div>
                )}

                {/* Serial (hide if empty) */}
                {slot.serial_number && (
                  <div className="flex items-center justify-between">
                    <span className="text-[10px] uppercase tracking-wider text-bambu-gray font-medium">{t('printers.nozzleSerial')}</span>
                    <span className="text-[10px] text-white font-mono truncate max-w-[80px]">{slot.serial_number}</span>
                  </div>
                )}

                {/* Filament: material type + color swatch (hide if no color) */}
                {(filamentCss || slot.filament_type) && (
                  <div className="flex items-center justify-between">
                    <span className="text-[10px] uppercase tracking-wider text-bambu-gray font-medium">{t('printers.nozzleFilament')}</span>
                    <div className="flex items-center gap-1">
                      {filamentCss && (
                        <div className="w-3 h-3 rounded-sm border border-white/20" style={{ backgroundColor: filamentCss }} />
                      )}
                      <span className="text-[10px] text-white font-semibold truncate max-w-[100px]">{filamentName || slot.filament_type || slot.filament_id || ''}</span>
                    </div>
                  </div>
                )}
              </div>
            )}
          </div>

          {/* Arrow pointer */}
          <div
            className={`
              absolute left-1/2 -translate-x-1/2 w-0 h-0
              border-l-[6px] border-l-transparent
              border-r-[6px] border-r-transparent
              ${position === 'top'
                ? 'top-full border-t-[6px] border-t-bambu-dark-tertiary'
                : 'bottom-full border-b-[6px] border-b-bambu-dark-tertiary'}
            `}
          />
        </div>
      )}
    </div>
  );
}

// Dual-nozzle hover card showing L and R nozzle details side by side
function DualNozzleHoverCard({ leftSlot, rightSlot, activeNozzle, filamentInfo, children }: {
  leftSlot?: import('../api/client').NozzleRackSlot;
  rightSlot?: import('../api/client').NozzleRackSlot;
  activeNozzle: 'L' | 'R';
  filamentInfo?: Record<string, { name: string; k: number | null }>;
  children: React.ReactNode;
}) {
  const { t } = useTranslation();
  const [isVisible, setIsVisible] = useState(false);
  const [position, setPosition] = useState<'top' | 'bottom'>('top');
  const triggerRef = useRef<HTMLDivElement>(null);
  const cardRef = useRef<HTMLDivElement>(null);
  const timeoutRef = useRef<ReturnType<typeof setTimeout> | null>(null);

  useEffect(() => {
    if (isVisible && triggerRef.current && cardRef.current) {
      const triggerRect = triggerRef.current.getBoundingClientRect();
      const cardHeight = cardRef.current.offsetHeight;
      const headerHeight = 56;
      const spaceAbove = triggerRect.top - headerHeight;
      const spaceBelow = window.innerHeight - triggerRect.bottom;
      if (spaceAbove < cardHeight + 12 && spaceBelow > spaceAbove) {
        setPosition('bottom');
      } else {
        setPosition('top');
      }
    }
  }, [isVisible]);

  const handleMouseEnter = () => {
    if (timeoutRef.current) clearTimeout(timeoutRef.current);
    timeoutRef.current = setTimeout(() => setIsVisible(true), 80);
  };

  const handleMouseLeave = () => {
    if (timeoutRef.current) clearTimeout(timeoutRef.current);
    timeoutRef.current = setTimeout(() => setIsVisible(false), 100);
  };

  useEffect(() => {
    return () => { if (timeoutRef.current) clearTimeout(timeoutRef.current); };
  }, []);

  if (!leftSlot && !rightSlot) return <>{children}</>;

  const renderColumn = (slot: import('../api/client').NozzleRackSlot, side: 'L' | 'R') => {
    const isActive = activeNozzle === side;
    const typeFull = nozzleTypeName(slot.nozzle_type, t);
    const flowFull = nozzleFlowName(slot.nozzle_type, t);
    const filamentCss = parseFilamentColor(slot.filament_color);
    const filamentName = slot.filament_id ? filamentInfo?.[slot.filament_id]?.name : undefined;
    return (
      <div className="flex-1 space-y-1.5">
        <div className={`text-[10px] font-bold pb-1 border-b border-bambu-dark-tertiary/50 ${isActive ? 'text-amber-400' : 'text-bambu-gray'}`}>
          {side === 'L' ? t('common.left') : t('common.right')}
        </div>
        {slot.nozzle_diameter && (
          <div className="flex items-center justify-between">
            <span className="text-[10px] text-bambu-gray">{t('printers.nozzleDiameter')}</span>
            <span className="text-xs text-white font-semibold">{slot.nozzle_diameter} mm</span>
          </div>
        )}
        {typeFull && (
          <div className="flex items-center justify-between">
            <span className="text-[10px] text-bambu-gray">{t('printers.nozzleType')}</span>
            <span className="text-[10px] text-white font-semibold">{typeFull}</span>
          </div>
        )}
        {flowFull && (
          <div className="flex items-center justify-between">
            <span className="text-[10px] text-bambu-gray">{t('printers.nozzleFlow')}</span>
            <span className="text-[10px] text-white font-semibold">{flowFull}</span>
          </div>
        )}
        <div className="flex items-center justify-between">
          <span className="text-[10px] text-bambu-gray">{t('printers.nozzleStatus')}</span>
          <span className={`text-[10px] font-bold px-1.5 py-0.5 rounded ${
            isActive
              ? 'bg-green-900/50 text-green-400'
              : 'bg-bambu-dark-tertiary text-bambu-gray'
          }`}>
            {isActive ? t('printers.nozzleActive') : t('printers.nozzleIdle')}
          </span>
        </div>
        {slot.wear != null && (
          <div className="flex items-center justify-between">
            <span className="text-[10px] text-bambu-gray">{t('printers.nozzleWear')}</span>
            <span className="text-xs text-white font-semibold">{slot.wear}%</span>
          </div>
        )}
        {/* Serial and max temp only available on the right (removable) nozzle */}
        {side === 'R' && slot.max_temp > 0 && (
          <div className="flex items-center justify-between">
            <span className="text-[10px] text-bambu-gray">{t('printers.nozzleMaxTemp')}</span>
            <span className="text-xs text-white font-semibold">{slot.max_temp}°C</span>
          </div>
        )}
        {side === 'R' && slot.serial_number && (
          <div className="flex items-center justify-between">
            <span className="text-[10px] text-bambu-gray">{t('printers.nozzleSerial')}</span>
            <span className="text-[10px] text-white font-mono">{slot.serial_number}</span>
          </div>
        )}
        {(filamentCss || slot.filament_type || slot.filament_id) && (
          <div className="flex items-center justify-between">
            <span className="text-[10px] text-bambu-gray">{t('printers.nozzleFilament')}</span>
            <div className="flex items-center gap-1">
              {filamentCss && (
                <div className="w-3 h-3 rounded-sm border border-white/20" style={{ backgroundColor: filamentCss }} />
              )}
              <span className="text-[10px] text-white font-semibold truncate max-w-[100px]">
                {filamentName || slot.filament_type || slot.filament_id || ''}
              </span>
            </div>
          </div>
        )}
      </div>
    );
  };

  return (
    <div
      ref={triggerRef}
      className="relative flex-1"
      onMouseEnter={handleMouseEnter}
      onMouseLeave={handleMouseLeave}
    >
      {children}

      {isVisible && (
        <div
          ref={cardRef}
          className={`
            absolute left-1/2 -translate-x-1/2 z-50
            ${position === 'top' ? 'bottom-full mb-2' : 'top-full mt-2'}
            animate-in fade-in-0 zoom-in-95 duration-150
          `}
          style={{ maxWidth: 'calc(100vw - 24px)' }}
        >
          <div className="w-96 bg-bambu-dark-secondary border border-bambu-dark-tertiary rounded-lg shadow-xl overflow-hidden backdrop-blur-sm">
            <div className="p-2.5 flex gap-3">
              {leftSlot && renderColumn(leftSlot, 'L')}
              {leftSlot && rightSlot && <div className="w-px bg-bambu-dark-tertiary/50" />}
              {rightSlot && renderColumn(rightSlot, 'R')}
            </div>
          </div>

          {/* Arrow pointer */}
          <div
            className={`
              absolute left-1/2 -translate-x-1/2 w-0 h-0
              border-l-[6px] border-l-transparent
              border-r-[6px] border-r-transparent
              ${position === 'top'
                ? 'top-full border-t-[6px] border-t-bambu-dark-tertiary'
                : 'bottom-full border-b-[6px] border-b-bambu-dark-tertiary'}
            `}
          />
        </div>
      )}
    </div>
  );
}

// H2C Nozzle Rack Card — compact single row showing 6-position tool-changer dock
function NozzleRackCard({ slots, filamentInfo }: { slots: import('../api/client').NozzleRackSlot[]; filamentInfo?: Record<string, { name: string; k: number | null }> }) {
  const { t } = useTranslation();
  // Rack nozzles only (IDs >= 2) — excludes L/R hotend nozzles (IDs 0, 1)
  // H2C rack IDs are 16-21 — map by actual ID so empty slots appear in the correct position
  const rackNozzles = slots.filter(s => s.id >= 2);
  const RACK_SIZE = 6;
  const minRackId = rackNozzles.length > 0 ? Math.min(...rackNozzles.map(s => s.id)) : 16;
  const rackSlots: (import('../api/client').NozzleRackSlot)[] = Array.from(
    { length: RACK_SIZE },
    (_, i) => rackNozzles.find(s => s.id === minRackId + i) ?? {
      id: -(i + 1), nozzle_type: '', nozzle_diameter: '', wear: null, stat: null,
      max_temp: 0, serial_number: '', filament_color: '', filament_id: '', filament_type: '',
    },
  );

  return (
    <div className="text-center px-2.5 py-1.5 bg-bambu-dark rounded-lg flex-[2_1_190px] flex flex-col justify-center">
      <p className="text-[9px] text-bambu-gray mb-1">{t('printers.nozzleRack')}</p>
      <div className="flex gap-[3px] justify-center">
        {rackSlots.map((slot, i) => {
          const isEmpty = !slot.nozzle_diameter && !slot.nozzle_type;
          const filamentBg = !isEmpty ? parseFilamentColor(slot.filament_color) : null;
          const lightBg = filamentBg ? isLightColor(slot.filament_color) : false;

          return (
            <NozzleSlotHoverCard key={slot.id >= 0 ? slot.id : `empty-${i}`} slot={slot} index={i} filamentName={slot.filament_id ? filamentInfo?.[slot.filament_id]?.name : undefined}>
              <div
                className={`w-7 h-7 rounded flex items-center justify-center cursor-default transition-colors border-b-2 ${
                  isEmpty
                    ? 'bg-bambu-dark-tertiary/20 border-bambu-dark-tertiary/20'
                    : 'bg-bambu-dark-tertiary/40 border-bambu-dark-tertiary/40'
                }`}
                style={filamentBg ? { backgroundColor: filamentBg } : undefined}
              >
                <span className={`text-[10px] font-semibold ${isEmpty ? 'text-bambu-gray/30' : lightBg ? 'text-black/80' : 'text-white'}`}
                      style={filamentBg && !lightBg ? { textShadow: '0 1px 3px rgba(0,0,0,0.9)' } : undefined}
                >
                  {isEmpty ? '—' : (slot.nozzle_diameter || '?')}
                </span>
              </div>
            </NozzleSlotHoverCard>
          );
        })}
      </div>
    </div>
  );
}

// Water drop SVG - empty outline (Bambu Lab style from bambu-humidity)
function WaterDropEmpty({ className }: { className?: string }) {
  return (
    <svg className={className} viewBox="0 0 36 54" fill="none" xmlns="http://www.w3.org/2000/svg">
      <path d="M17.8131 0.00538C18.4463 -0.15091 20.3648 3.14642 20.8264 3.84781C25.4187 10.816 35.3089 26.9368 35.9383 34.8694C37.4182 53.5822 11.882 61.3357 2.53721 45.3789C-1.73471 38.0791 0.016 32.2049 3.178 25.0232C6.99221 16.3662 12.6411 7.90372 17.8131 0.00538ZM18.3738 7.24807L17.5881 7.48441C14.4452 12.9431 10.917 18.2341 8.19369 23.9368C4.6808 31.29 1.18317 38.5479 7.69403 45.5657C17.3058 55.9228 34.9847 46.8808 31.4604 32.8681C29.2558 24.0969 22.4207 15.2913 18.3776 7.24807H18.3738Z" fill="#C3C2C1"/>
    </svg>
  );
}

// Water drop SVG - half filled with blue water (Bambu Lab style from bambu-humidity)
function WaterDropHalf({ className }: { className?: string }) {
  return (
    <svg className={className} viewBox="0 0 35 53" fill="none" xmlns="http://www.w3.org/2000/svg">
      <path d="M17.3165 0.0038C17.932 -0.14959 19.7971 3.08645 20.2458 3.77481C24.7103 10.6135 34.3251 26.4346 34.937 34.2198C36.3757 52.5848 11.5505 60.1942 2.46584 44.534C-1.68714 37.3735 0.0148 31.6085 3.08879 24.5603C6.79681 16.0605 12.2884 7.75907 17.3165 0.0038ZM17.8615 7.11561L17.0977 7.34755C14.0423 12.7048 10.6124 17.8974 7.96483 23.4941C4.54975 30.7107 1.14949 37.8337 7.47908 44.721C16.8233 54.8856 34.01 46.0117 30.5838 32.2595C28.4405 23.6512 21.7957 15.0093 17.8652 7.11561H17.8615Z" fill="#C3C2C1"/>
      <path d="M5.03547 30.112C9.64453 30.4936 11.632 35.7985 16.4154 35.791C19.6339 35.7873 20.2161 33.2283 22.3853 31.6197C31.6776 24.7286 33.5835 37.4894 27.9881 44.4254C18.1878 56.5653 -1.16063 44.6013 5.03917 30.1158L5.03547 30.112Z" fill="#1F8FEB"/>
    </svg>
  );
}

// Water drop SVG - fully filled with blue water (Bambu Lab style from bambu-humidity)
function WaterDropFull({ className }: { className?: string }) {
  return (
    <svg className={className} viewBox="0 0 36 54" fill="none" xmlns="http://www.w3.org/2000/svg">
      <path d="M17.9625 4.48059L4.77216 26.3154L2.08228 40.2175L10.0224 50.8414H23.1594L33.3246 42.1693V30.2455L17.9625 4.48059Z" fill="#1F8FEB"/>
      <path d="M17.7948 0.00538C18.4273 -0.15091 20.3438 3.14642 20.8048 3.84781C25.3921 10.816 35.2715 26.9368 35.9001 34.8694C37.3784 53.5822 11.8702 61.3357 2.53562 45.3789C-1.73163 38.0829 0.0134 32.2087 3.1757 25.027C6.98574 16.3662 12.6284 7.90372 17.7948 0.00538ZM18.3549 7.24807L17.57 7.48441C14.4306 12.9431 10.9063 18.2341 8.1859 23.9368C4.67686 31.29 1.18305 38.5479 7.68679 45.5657C17.2881 55.9228 34.9476 46.8808 31.4271 32.8681C29.2249 24.0969 22.3974 15.2913 18.3587 7.24807H18.3549Z" fill="#C3C2C1"/>
    </svg>
  );
}

// Thermometer SVG - empty outline
function ThermometerEmpty({ className }: { className?: string }) {
  return (
    <svg className={className} viewBox="0 0 12 20" fill="none" xmlns="http://www.w3.org/2000/svg">
      <path d="M6 0.5C4.6 0.5 3.5 1.6 3.5 3V12.1C2.6 12.8 2 13.9 2 15C2 17.2 3.8 19 6 19C8.2 19 10 17.2 10 15C10 13.9 9.4 12.8 8.5 12.1V3C8.5 1.6 7.4 0.5 6 0.5Z" stroke="#C3C2C1" strokeWidth="1" fill="none"/>
      <circle cx="6" cy="15" r="2.5" stroke="#C3C2C1" strokeWidth="1" fill="none"/>
    </svg>
  );
}

// Thermometer SVG - half filled (gold - same as humidity fair)
function ThermometerHalf({ className }: { className?: string }) {
  return (
    <svg className={className} viewBox="0 0 12 20" fill="none" xmlns="http://www.w3.org/2000/svg">
      <rect x="4.5" y="8" width="3" height="4.5" fill="#d4a017" rx="0.5"/>
      <circle cx="6" cy="15" r="2" fill="#d4a017"/>
      <path d="M6 0.5C4.6 0.5 3.5 1.6 3.5 3V12.1C2.6 12.8 2 13.9 2 15C2 17.2 3.8 19 6 19C8.2 19 10 17.2 10 15C10 13.9 9.4 12.8 8.5 12.1V3C8.5 1.6 7.4 0.5 6 0.5Z" stroke="#C3C2C1" strokeWidth="1" fill="none"/>
    </svg>
  );
}

// Thermometer SVG - fully filled (red - same as humidity bad)
function ThermometerFull({ className }: { className?: string }) {
  return (
    <svg className={className} viewBox="0 0 12 20" fill="none" xmlns="http://www.w3.org/2000/svg">
      <rect x="4.5" y="3" width="3" height="9.5" fill="#c62828" rx="0.5"/>
      <circle cx="6" cy="15" r="2" fill="#c62828"/>
      <path d="M6 0.5C4.6 0.5 3.5 1.6 3.5 3V12.1C2.6 12.8 2 13.9 2 15C2 17.2 3.8 19 6 19C8.2 19 10 17.2 10 15C10 13.9 9.4 12.8 8.5 12.1V3C8.5 1.6 7.4 0.5 6 0.5Z" stroke="#C3C2C1" strokeWidth="1" fill="none"/>
    </svg>
  );
}

// Heater thermometer icon - filled when heating, outline when off
interface HeaterThermometerProps {
  className?: string;
  color: string;  // The color class (e.g., "text-orange-400")
  isHeating: boolean;
}

function HeaterThermometer({ className, color, isHeating }: HeaterThermometerProps) {
  // Extract the actual color from Tailwind class for SVG fill
  const colorMap: Record<string, string> = {
    'text-orange-400': '#fb923c',
    'text-blue-400': '#60a5fa',
    'text-green-400': '#4ade80',
  };
  const fillColor = colorMap[color] || '#888';

  // Glow style when heating
  const glowStyle = isHeating ? {
    filter: `drop-shadow(0 0 4px ${fillColor}) drop-shadow(0 0 8px ${fillColor})`,
  } : {};

  if (isHeating) {
    // Filled thermometer with glow - heater is ON
    return (
      <svg className={className} style={glowStyle} viewBox="0 0 12 20" fill="none" xmlns="http://www.w3.org/2000/svg">
        <rect x="4.5" y="3" width="3" height="9.5" fill={fillColor} rx="0.5"/>
        <circle cx="6" cy="15" r="2" fill={fillColor}/>
        <path d="M6 0.5C4.6 0.5 3.5 1.6 3.5 3V12.1C2.6 12.8 2 13.9 2 15C2 17.2 3.8 19 6 19C8.2 19 10 17.2 10 15C10 13.9 9.4 12.8 8.5 12.1V3C8.5 1.6 7.4 0.5 6 0.5Z" stroke={fillColor} strokeWidth="1" fill="none"/>
      </svg>
    );
  }

  // Empty thermometer - heater is OFF
  return (
    <svg className={className} viewBox="0 0 12 20" fill="none" xmlns="http://www.w3.org/2000/svg">
      <path d="M6 0.5C4.6 0.5 3.5 1.6 3.5 3V12.1C2.6 12.8 2 13.9 2 15C2 17.2 3.8 19 6 19C8.2 19 10 17.2 10 15C10 13.9 9.4 12.8 8.5 12.1V3C8.5 1.6 7.4 0.5 6 0.5Z" stroke={fillColor} strokeWidth="1" fill="none"/>
      <circle cx="6" cy="15" r="2.5" stroke={fillColor} strokeWidth="1" fill="none"/>
    </svg>
  );
}

// Humidity indicator with water drop that fills based on level (Bambu Lab style)
// Reference: https://github.com/theicedmango/bambu-humidity
interface HumidityIndicatorProps {
  humidity: number | string;
  goodThreshold?: number;  // <= this is green
  fairThreshold?: number;  // <= this is orange, > is red
  onClick?: () => void;
  compact?: boolean;  // Smaller version for grid layout
}

function HumidityIndicator({ humidity, goodThreshold = 40, fairThreshold = 60, onClick, compact }: HumidityIndicatorProps) {
  const humidityValue = typeof humidity === 'string' ? parseInt(humidity, 10) : humidity;
  const good = typeof goodThreshold === 'number' ? goodThreshold : 40;
  const fair = typeof fairThreshold === 'number' ? fairThreshold : 60;

  // Status thresholds (configurable via settings)
  // Good: ≤goodThreshold (green #22a352), Fair: ≤fairThreshold (gold #d4a017), Bad: >fairThreshold (red #c62828)
  let textColor: string;
  let statusText: string;

  if (isNaN(humidityValue)) {
    textColor = '#C3C2C1';
    statusText = 'Unknown';
  } else if (humidityValue <= good) {
    textColor = '#22a352'; // Green - Good
    statusText = 'Good';
  } else if (humidityValue <= fair) {
    textColor = '#d4a017'; // Gold - Fair
    statusText = 'Fair';
  } else {
    textColor = '#c62828'; // Red - Bad
    statusText = 'Bad';
  }

  // Fill level based on status: Good=Empty (dry), Fair=Half, Bad=Full (wet)
  let DropComponent: React.FC<{ className?: string }>;
  if (isNaN(humidityValue)) {
    DropComponent = WaterDropEmpty;
  } else if (humidityValue <= good) {
    DropComponent = WaterDropEmpty; // Good - empty drop (dry)
  } else if (humidityValue <= fair) {
    DropComponent = WaterDropHalf; // Fair - half filled
  } else {
    DropComponent = WaterDropFull; // Bad - full (too humid)
  }

  return (
    <button
      type="button"
      onClick={onClick}
      className={`flex items-center gap-1 ${onClick ? 'cursor-pointer hover:opacity-80 transition-opacity' : ''}`}
      title={`Humidity: ${humidityValue}% - ${statusText}${onClick ? ' (click for history)' : ''}`}
    >
      <DropComponent className={compact ? "w-2.5 h-3" : "w-3 h-4"} />
      <span className={`font-medium tabular-nums ${compact ? 'text-[10px]' : 'text-xs'}`} style={{ color: textColor }}>{humidityValue}%</span>
    </button>
  );
}

// Temperature indicator with dynamic icon and coloring
interface TemperatureIndicatorProps {
  temp: number;
  goodThreshold?: number;  // <= this is blue
  fairThreshold?: number;  // <= this is orange, > is red
  onClick?: () => void;
  compact?: boolean;  // Smaller version for grid layout
}

function TemperatureIndicator({ temp, goodThreshold = 28, fairThreshold = 35, onClick, compact }: TemperatureIndicatorProps) {
  // Ensure thresholds are numbers
  const good = typeof goodThreshold === 'number' ? goodThreshold : 28;
  const fair = typeof fairThreshold === 'number' ? fairThreshold : 35;

  let textColor: string;
  let statusText: string;
  let ThermoComponent: React.FC<{ className?: string }>;

  if (temp <= good) {
    textColor = '#22a352'; // Green - good (same as humidity)
    statusText = 'Good';
    ThermoComponent = ThermometerEmpty;
  } else if (temp <= fair) {
    textColor = '#d4a017'; // Gold - fair (same as humidity)
    statusText = 'Fair';
    ThermoComponent = ThermometerHalf;
  } else {
    textColor = '#c62828'; // Red - bad (same as humidity)
    statusText = 'Bad';
    ThermoComponent = ThermometerFull;
  }

  return (
    <button
      type="button"
      onClick={onClick}
      className={`flex items-center gap-1 ${onClick ? 'cursor-pointer hover:opacity-80 transition-opacity' : ''}`}
      title={`Temperature: ${temp}°C - ${statusText}${onClick ? ' (click for history)' : ''}`}
    >
      <ThermoComponent className={compact ? "w-2.5 h-3" : "w-3 h-4"} />
      <span className={`tabular-nums text-right ${compact ? 'text-[10px] w-8' : 'w-12'}`} style={{ color: textColor }}>{temp}°C</span>
    </button>
  );
}

// Get AMS label: AMS-A/B/C/D for regular AMS, HT-A/B for AMS-HT (single spool)
// Always use tray count as the source of truth (1 tray = AMS-HT, 4 trays = regular AMS)
// AMS-HT uses IDs 128+ while regular AMS uses 0-3
function getAmsLabel(amsId: number | string, trayCount: number): string {
  // Ensure amsId is a number (backend might send string)
  const id = typeof amsId === 'string' ? parseInt(amsId, 10) : amsId;
  const safeId = isNaN(id) ? 0 : id;
  const isHt = trayCount === 1;
  // AMS-HT uses IDs starting at 128, regular AMS uses 0-3
  const normalizedId = safeId >= 128 ? safeId - 128 : safeId;
  const letter = String.fromCharCode(65 + normalizedId); // 0=A, 1=B, 2=C, 3=D
  return isHt ? `HT-${letter}` : `AMS-${letter}`;
}


/**
 * Check if a tray contains a Bambu Lab spool (RFID-tagged).
 * Only checks hardware identifiers (tray_uuid, tag_uid) — NOT tray_info_idx,
 * which is a filament profile/preset ID that third-party spools also get when
 * the user selects a generic Bambu preset (e.g. "GFA00" for Generic PLA).
 */
function isBambuLabSpool(tray: {
  tray_uuid?: string | null;
  tag_uid?: string | null;
} | null | undefined): boolean {
  if (!tray) return false;

  // Check tray_uuid (32 hex chars, non-zero)
  if (tray.tray_uuid && tray.tray_uuid !== '00000000000000000000000000000000') {
    return true;
  }

  // Check tag_uid (16 hex chars, non-zero)
  if (tray.tag_uid && tray.tag_uid !== '0000000000000000') {
    return true;
  }

  return false;
}


function CoverImage({ url, printName }: { url: string | null; printName?: string }) {
  const { t } = useTranslation();
  const [loaded, setLoaded] = useState(false);
  const [error, setError] = useState(false);
  const [showOverlay, setShowOverlay] = useState(false);

  // Cache-bust the image URL when the print name changes so the browser
  // fetches the new cover instead of serving the stale cached image.
  const cacheBustedUrl = useMemo(() => {
    if (!url) return null;
    const sep = url.includes('?') ? '&' : '?';
    return withStreamToken(`${url}${sep}v=${encodeURIComponent(printName || Date.now().toString())}`);
  }, [url, printName]);

  // Reset loaded/error state when the image URL changes
  useEffect(() => {
    setLoaded(false);
    setError(false);
  }, [cacheBustedUrl]);

  return (
    <>
      <div
        className={`w-20 h-20 flex-shrink-0 rounded-lg overflow-hidden bg-bambu-dark-tertiary flex items-center justify-center ${cacheBustedUrl && loaded ? 'cursor-pointer' : ''}`}
        onClick={() => cacheBustedUrl && loaded && setShowOverlay(true)}
      >
        {cacheBustedUrl && !error ? (
          <>
            <img
              src={cacheBustedUrl}
              alt={t('printers.printPreview')}
              className={`w-full h-full object-cover ${loaded ? 'block' : 'hidden'}`}
              onLoad={() => setLoaded(true)}
              onError={() => setError(true)}
            />
            {!loaded && <Box className="w-8 h-8 text-bambu-gray" />}
          </>
        ) : (
          <Box className="w-8 h-8 text-bambu-gray" />
        )}
      </div>

      {/* Cover Image Overlay */}
      {showOverlay && cacheBustedUrl && (
        <div
          className="fixed inset-0 bg-black/80 flex items-center justify-center z-50 p-8"
          onClick={() => setShowOverlay(false)}
        >
          <div className="relative max-w-2xl max-h-full">
            <img
              src={cacheBustedUrl}
              alt={t('printers.printPreview')}
              className="max-w-full max-h-[80vh] rounded-lg shadow-2xl"
            />
            {printName && (
              <p className="text-white text-center mt-4 text-lg">{printName}</p>
            )}
          </div>
        </div>
      )}
    </>
  );
}

interface PrinterMaintenanceInfo {
  due_count: number;
  warning_count: number;
  total_print_hours: number;
}

// Status summary bar component - uses queryClient to read cached statuses
function StatusSummaryBar({ printers }: { printers: Printer[] | undefined }) {
  const { t } = useTranslation();
  const queryClient = useQueryClient();

  // Subscribe to query cache changes to re-render when status updates
  // Throttled to prevent rapid re-renders from causing tab crashes
  const [cacheTick, setCacheTick] = useState(0);
  useEffect(() => {
    let pending = false;
    const unsubscribe = queryClient.getQueryCache().subscribe(() => {
      if (!pending) {
        pending = true;
        requestAnimationFrame(() => {
          setCacheTick(t => t + 1);
          pending = false;
        });
      }
    });
    return () => unsubscribe();
  }, [queryClient]);

  const { counts, nextFinish } = useMemo(() => {
    let printing = 0;
    let paused = 0;
    let finished = 0;
    let idle = 0;
    let offline = 0;
    let loading = 0;
    let error = 0;
    let nextPrinterName: string | null = null;
    let nextRemainingMin: number | null = null;
    let nextProgress: number = 0;

    printers?.forEach((printer) => {
      const status = queryClient.getQueryData<{ connected: boolean; state: string | null; remaining_time: number | null; progress: number | null; hms_errors?: HMSError[] }>(['printerStatus', printer.id]);
      if (status === undefined) {
        // Status not yet loaded - don't count as offline yet
        loading++;
      } else if (!status.connected) {
        offline++;
      } else {
        // Count printers with HMS errors
        if (status.hms_errors && filterKnownHMSErrors(status.hms_errors).length > 0) {
          error++;
        }
        switch (status.state) {
          case 'RUNNING':
            printing++;
            if (status.remaining_time != null && status.remaining_time > 0) {
              if (nextRemainingMin === null || status.remaining_time < nextRemainingMin) {
                nextRemainingMin = status.remaining_time;
                nextPrinterName = printer.name;
                nextProgress = status.progress || 0;
              }
            }
            break;
          case 'PAUSE':
            paused++;
            break;
          case 'FINISH':
            finished++;
            break;
          case 'FAILED':
            error++;
            break;
          default:
            idle++;
            break;
        }
      }
    });

    return {
      counts: { printing, paused, finished, idle, offline, loading, error, total: (printers?.length || 0) },
      nextFinish: nextPrinterName && nextRemainingMin ? { name: nextPrinterName, remainingMin: nextRemainingMin, progress: nextProgress } : null,
    };
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [printers, queryClient, cacheTick]);

  if (!printers?.length) return null;

  const badges: { count: number; dot: string; label: string }[] = [
    { count: counts.printing, dot: 'bg-bambu-green animate-pulse', label: t('printers.status.printing').toLowerCase() },
    { count: counts.paused, dot: 'bg-status-warning', label: t('printers.status.paused', 'paused').toLowerCase() },
    { count: counts.finished, dot: 'bg-blue-400', label: t('printers.status.finished', 'finished').toLowerCase() },
    { count: counts.idle, dot: counts.idle > 0 ? 'bg-bambu-green' : 'bg-gray-500', label: t('printers.status.available').toLowerCase() },
    { count: counts.error, dot: 'bg-status-error', label: t('printers.status.problem').toLowerCase() },
    { count: counts.offline, dot: 'bg-gray-400', label: t('printers.status.offline').toLowerCase() },
  ];

  return (
    <div className="flex flex-wrap items-center gap-4 gap-y-2 text-sm">
      {badges.map(({ count, dot, label }) => count > 0 && (
        <div key={label} className="flex items-center gap-1.5">
          <div className={`w-2 h-2 rounded-full ${dot}`} />
          <span className="text-bambu-gray">
            <span className="text-white font-medium">{count}</span> {label}
          </span>
        </div>
      ))}
      {nextFinish && (
        <>
          <div className="w-px h-4 bg-bambu-dark-tertiary" />
          <div className="flex flex-col gap-1 sm:flex-row sm:items-center sm:gap-2">
            <div className="flex items-center gap-2">
              <span className="text-bambu-green font-medium">{t('printers.nextAvailable')}:</span>
              <span className="text-white font-medium">{nextFinish.name}</span>
            </div>
            <div className="flex items-center gap-2 w-full sm:w-auto">
              <div className="w-full sm:w-16 bg-bambu-dark-tertiary rounded-full h-1.5">
                <div
                  className="bg-bambu-green h-1.5 rounded-full transition-all"
                  style={{ width: `${nextFinish.progress}%` }}
                />
              </div>
              <span className="text-white font-medium">{Math.round(nextFinish.progress)}%</span>
              <span className="text-bambu-gray">({formatDuration(nextFinish.remainingMin * 60)})</span>
            </div>
          </div>
        </>
      )}
    </div>
  );
}

type SortOption = 'name' | 'status' | 'model' | 'location';
type ViewMode = 'expanded' | 'compact';

/**
 * Get human-readable status display text for a printer.
 * Uses stg_cur_name for detailed calibration/preparation stages,
 * otherwise formats the gcode_state nicely.
 */
function getStatusDisplay(state: string | null | undefined, stg_cur_name: string | null | undefined): string {
  // If we have a specific stage name (calibration, heating, etc.), use it
  if (stg_cur_name) {
    return stg_cur_name;
  }

  // Format the gcode_state nicely
  switch (state) {
    case 'RUNNING':
      return 'Printing';
    case 'PAUSE':
      return 'Paused';
    case 'FINISH':
      return 'Finished';
    case 'FAILED':
      return 'Failed';
    case 'IDLE':
      return 'Idle';
    default:
      return state ? state.charAt(0) + state.slice(1).toLowerCase() : 'Idle';
  }
}

// Map SSDP model codes to display names
function mapModelCode(ssdpModel: string | null): string {
  if (!ssdpModel) return '';
  const modelMap: Record<string, string> = {
    // H2 Series
    'O1D': 'H2D',
    'O1E': 'H2D Pro',
    'O2D': 'H2D Pro',
    'O1C': 'H2C',
    'O1C2': 'H2C',
    'O1S': 'H2S',
    // X1 Series
    'BL-P001': 'X1C',
    'BL-P002': 'X1',
    'BL-P003': 'X1E',
    // P Series
    'C11': 'P1S',
    'C12': 'P1P',
    'C13': 'P2S',
    // A1 Series
    'N2S': 'A1',
    'N1': 'A1 Mini',
    // Direct matches
    'X1C': 'X1C',
    'X1': 'X1',
    'X1E': 'X1E',
    'P1S': 'P1S',
    'P1P': 'P1P',
    'P2S': 'P2S',
    'A1': 'A1',
    'A1 Mini': 'A1 Mini',
    'H2D': 'H2D',
    'H2D Pro': 'H2D Pro',
    'H2C': 'H2C',
    'H2S': 'H2S',
  };
  return modelMap[ssdpModel] || ssdpModel;
}

// ─── AMS Name Hover Card ──────────────────────────────────────────────────────
// Wraps the AMS label (e.g. "AMS-A") and shows a popup with:
//  • User-defined friendly name (editable, protected by printers:update)
//  • AMS serial number
//  • AMS firmware version
export function AmsNameHoverCard({
  ams,
  printerId,
  label,
  amsLabels,
  canEdit,
  onSaved,
  children,
}: {
  ams: import('../api/client').AMSUnit;
  printerId: number;
  label: string;           // auto-generated label, e.g. "AMS-A"
  amsLabels?: Record<number, string>;
  canEdit: boolean;
  onSaved: () => void;
  children: React.ReactNode;
}) {
  const { t } = useTranslation();
  const [isVisible, setIsVisible] = useState(false);
  const [position, setPosition] = useState<'top' | 'bottom'>('top');
  const [editValue, setEditValue] = useState('');
  const [isSaving, setIsSaving] = useState(false);
  const [saveError, setSaveError] = useState<string | null>(null);
  const [isInputFocused, setIsInputFocused] = useState(false);
  const triggerRef = useRef<HTMLDivElement>(null);
  const cardRef = useRef<HTMLDivElement>(null);
  const timeoutRef = useRef<ReturnType<typeof setTimeout> | null>(null);

  useEffect(() => {
    if (isVisible) {
      setEditValue(amsLabels?.[ams.id] ?? '');
      setSaveError(null);
      requestAnimationFrame(() => {
        if (triggerRef.current && cardRef.current) {
          const rect = triggerRef.current.getBoundingClientRect();
          const spaceAbove = rect.top - 56;
          const spaceBelow = window.innerHeight - rect.bottom;
          setPosition(spaceAbove < cardRef.current.offsetHeight + 12 && spaceBelow > spaceAbove ? 'bottom' : 'top');
        }
      });
    }
  }, [isVisible, amsLabels, ams.id]);

  const handleMouseEnter = () => {
    if (timeoutRef.current) clearTimeout(timeoutRef.current);
    timeoutRef.current = setTimeout(() => setIsVisible(true), 80);
  };
  const handleMouseLeave = () => {
    if (timeoutRef.current) clearTimeout(timeoutRef.current);
    if (!isInputFocused) {
      timeoutRef.current = setTimeout(() => setIsVisible(false), 200);
    }
  };
  useEffect(() => () => { if (timeoutRef.current) clearTimeout(timeoutRef.current); }, []);

  const handleSave = async () => {
    if (!canEdit) return;
    setIsSaving(true);
    setSaveError(null);
    try {
      const trimmed = editValue.trim();
      if (trimmed) {
        await api.saveAmsLabel(printerId, ams.id, trimmed, ams.serial_number);
      } else {
        await api.deleteAmsLabel(printerId, ams.id, ams.serial_number);
      }
      onSaved();
      setIsVisible(false);
    } catch (err) {
      setSaveError(err instanceof Error ? err.message : String(err));
    } finally {
      setIsSaving(false);
    }
  };

  const handleClear = async () => {
    if (!canEdit) return;
    setIsSaving(true);
    setSaveError(null);
    try {
      await api.deleteAmsLabel(printerId, ams.id, ams.serial_number);
      onSaved();
      setIsVisible(false);
    } catch (err) {
      setSaveError(err instanceof Error ? err.message : String(err));
    } finally {
      setIsSaving(false);
    }
  };

  return (
    <div
      ref={triggerRef}
      className="relative inline-block"
      onMouseEnter={handleMouseEnter}
      onMouseLeave={handleMouseLeave}
    >
      {children}

      {isVisible && (
        <div
          ref={cardRef}
          className={`
            absolute left-0 z-50
            ${position === 'top' ? 'bottom-full mb-2' : 'top-full mt-2'}
            animate-in fade-in-0 zoom-in-95 duration-150
          `}
          style={{ maxWidth: 'calc(100vw - 24px)' }}
          onMouseEnter={handleMouseEnter}
          onMouseLeave={handleMouseLeave}
        >
          <div className="w-52 bg-bambu-dark-secondary border border-bambu-dark-tertiary rounded-lg shadow-xl overflow-hidden backdrop-blur-sm p-2.5 space-y-2">
            {/* AMS auto-label */}
            <div className="text-[10px] uppercase tracking-wider text-bambu-gray font-medium">{label}</div>

            {/* Serial number */}
            <div className="flex items-center justify-between gap-2">
              <span className="text-[10px] tracking-wide text-bambu-gray font-medium shrink-0">
                {t('printers.amsPopup.serialNumber')}
              </span>
              <span className="text-[10px] text-white font-mono truncate">{ams.serial_number || '—'}</span>
            </div>

            {/* Firmware version */}
            <div className="flex items-center justify-between gap-2">
              <span className="text-[10px] tracking-wide text-bambu-gray font-medium shrink-0">
                {t('printers.amsPopup.firmwareVersion')}
              </span>
              <span className="text-[10px] text-white font-mono truncate">{ams.sw_ver || '—'}</span>
            </div>

            {/* Divider */}
            <div className="h-px bg-bambu-dark-tertiary/50" />

            {/* Friendly name editor */}
            <div className="space-y-1">
              <span className="text-[10px] text-bambu-gray font-medium block">
                {t('printers.amsPopup.friendlyName')}
              </span>
              <input
                type="text"
                value={editValue}
                onChange={(e) => canEdit && setEditValue(e.target.value)}
                onKeyDown={(e) => e.key === 'Enter' && handleSave()}
                onFocus={() => setIsInputFocused(true)}
                onBlur={() => {
                  setIsInputFocused(false);
                  if (timeoutRef.current) clearTimeout(timeoutRef.current);
                    timeoutRef.current = setTimeout(() => setIsVisible(false), 200);
                }}
                placeholder={canEdit ? t('printers.amsPopup.friendlyNamePlaceholder') : (amsLabels?.[ams.id] || '—')}
                disabled={!canEdit}
                title={!canEdit ? t('printers.amsPopup.noEditPermission') : undefined}
                className="w-full bg-bambu-dark border border-bambu-dark-tertiary rounded px-2 py-1 text-xs text-white placeholder-bambu-gray/60 focus:outline-none focus:border-bambu-green disabled:opacity-50 disabled:cursor-not-allowed"
                maxLength={100}
              />
              {canEdit && (
                <div className="space-y-1">
                  {saveError && (
                    <p className="text-[10px] text-red-400 break-words">{saveError}</p>
                  )}
                  <div className="flex gap-1 justify-end">
                    <button
                      onClick={handleSave}
                      disabled={isSaving}
                      className="px-2 py-0.5 text-[10px] bg-bambu-green text-white rounded hover:bg-bambu-green/80 disabled:opacity-50"
                    >
                      {t('printers.amsPopup.save')}
                    </button>
                    {amsLabels?.[ams.id] && (
                      <button
                        onClick={handleClear}
                        disabled={isSaving}
                        className="px-2 py-0.5 text-[10px] bg-bambu-dark-tertiary text-bambu-gray rounded hover:bg-bambu-dark-tertiary/70 disabled:opacity-50"
                      >
                        {t('printers.amsPopup.clear')}
                      </button>
                    )}
                  </div>
                </div>
              )}
            </div>
          </div>
        </div>
      )}
    </div>
  );
}


// AMS drying presets from BambuStudio filament profiles (idle mode temps)
// Format: { n3f temp, n3s temp, n3f hours, n3s hours }
const DRYING_PRESETS: Record<string, { n3f: number; n3s: number; n3f_hours: number; n3s_hours: number }> = {
  'PLA':   { n3f: 45, n3s: 45, n3f_hours: 12, n3s_hours: 12 },
  'PETG':  { n3f: 65, n3s: 65, n3f_hours: 12, n3s_hours: 12 },
  'TPU':   { n3f: 65, n3s: 75, n3f_hours: 12, n3s_hours: 18 },
  'ABS':   { n3f: 65, n3s: 80, n3f_hours: 12, n3s_hours: 8 },
  'ASA':   { n3f: 65, n3s: 80, n3f_hours: 12, n3s_hours: 8 },
  'PA':    { n3f: 65, n3s: 85, n3f_hours: 12, n3s_hours: 12 },
  'PC':    { n3f: 65, n3s: 80, n3f_hours: 12, n3s_hours: 8 },
  'PVA':   { n3f: 65, n3s: 85, n3f_hours: 12, n3s_hours: 18 },
};

function PrinterCard({
  printer,
  hideIfDisconnected,
  maintenanceInfo,
  viewMode = 'expanded',
  cardSize = 2,
  amsThresholds,
  spoolmanEnabled = false,
  linkedSpools,
  spoolmanUrl,
  spoolmanSyncMode,
  onGetAssignment,
  onUnassignSpool,
  timeFormat = 'system',
  cameraViewMode = 'window',
  onOpenEmbeddedCamera,
  checkPrinterFirmware = true,
  dryingPresets = DRYING_PRESETS,
  requirePlateClear = true,
  selectionMode = false,
  isSelected = false,
  onToggleSelect,
}: {
  printer: Printer;
  hideIfDisconnected?: boolean;
  maintenanceInfo?: PrinterMaintenanceInfo;
  viewMode?: ViewMode;
  cardSize?: number;
  amsThresholds?: {
    humidityGood: number;
    humidityFair: number;
    tempGood: number;
    tempFair: number;
  };
  spoolmanEnabled?: boolean;
  hasUnlinkedSpools?: boolean;
  linkedSpools?: Record<string, LinkedSpoolInfo>;
  spoolmanUrl?: string | null;
  spoolmanSyncMode?: string | null;
  spoolAssignments?: SpoolAssignment[];
  onGetAssignment?: (printerId: number, amsId: number, trayId: number) => SpoolAssignment | undefined;
  onUnassignSpool?: (printerId: number, amsId: number, trayId: number) => void;
  timeFormat?: 'system' | '12h' | '24h';
  cameraViewMode?: 'window' | 'embedded';
  onOpenEmbeddedCamera?: (printerId: number, printerName: string) => void;
  checkPrinterFirmware?: boolean;
  dryingPresets?: Record<string, { n3f: number; n3s: number; n3f_hours: number; n3s_hours: number }>;
  requirePlateClear?: boolean;
  selectionMode?: boolean;
  isSelected?: boolean;
  onToggleSelect?: (id: number) => void;
}) {
  const { t } = useTranslation();
  const queryClient = useQueryClient();
  const navigate = useNavigate();
  const { showToast } = useToast();
  const { hasPermission } = useAuth();
  const [showMenu, setShowMenu] = useState(false);
  const [showDeleteConfirm, setShowDeleteConfirm] = useState(false);
  const [deleteArchives, setDeleteArchives] = useState(true);
  const [showEditModal, setShowEditModal] = useState(false);
  const [showFileManager, setShowFileManager] = useState(false);
  const [showMQTTDebug, setShowMQTTDebug] = useState(false);
  const [showPowerOnConfirm, setShowPowerOnConfirm] = useState(false);
  const [showPowerOffConfirm, setShowPowerOffConfirm] = useState(false);
  const [showHMSModal, setShowHMSModal] = useState(false);
  const [showStopConfirm, setShowStopConfirm] = useState(false);
  const [showPauseConfirm, setShowPauseConfirm] = useState(false);
  const [showSpeedMenu, setShowSpeedMenu] = useState<number | null>(null);
  const [showResumeConfirm, setShowResumeConfirm] = useState(false);
  const [showSkipObjectsModal, setShowSkipObjectsModal] = useState(false);
  const [showUploadForPrint, setShowUploadForPrint] = useState(false);
  const [showPrinterInfo, setShowPrinterInfo] = useState(false);
  const closePrinterInfo = useCallback(() => setShowPrinterInfo(false), []);
  const [printAfterUpload, setPrintAfterUpload] = useState<{ id: number; filename: string } | null>(null);
  // AMS drying popover state: which AMS unit has the popover open
  const [dryingPopoverAmsId, setDryingPopoverAmsId] = useState<number | null>(null);
  const [dryingPopoverModuleType, setDryingPopoverModuleType] = useState<string>('n3f');
  const [dryingFilament, setDryingFilament] = useState('PLA');
  const [dryingTemp, setDryingTemp] = useState(50);
  const [dryingDuration, setDryingDuration] = useState(4);
  const [dryingRotateTray, setDryingRotateTray] = useState(false);
  const [dryingPopoverPos, setDryingPopoverPos] = useState<{ top: number; left: number } | null>(null);
  const [isDraggingFile, setIsDraggingFile] = useState(false);
  const [isDropUploading, setIsDropUploading] = useState(false);
  const dragCounterRef = useRef(0);
  const [amsHistoryModal, setAmsHistoryModal] = useState<{
    amsId: number;
    amsLabel: string;
    mode: 'humidity' | 'temperature';
  } | null>(null);
  const [linkSpoolModal, setLinkSpoolModal] = useState<{
    tagUid: string;
    trayUuid: string;
    printerId: number;
    amsId: number;
    trayId: number;
  } | null>(null);
  const [assignSpoolModal, setAssignSpoolModal] = useState<{
    printerId: number;
    amsId: number;
    trayId: number;
    trayInfo: { type: string; color: string; location: string; material?: string; profile?: string };
  } | null>(null);
  const [configureSlotModal, setConfigureSlotModal] = useState<{
    amsId: number;
    trayId: number;
    trayCount: number;
    trayType?: string;
    trayColor?: string;
    traySubBrands?: string;
    trayInfoIdx?: string;
    extruderId?: number;
    caliIdx?: number | null;
    savedPresetId?: string;
  } | null>(null);
  const [showFirmwareModal, setShowFirmwareModal] = useState(false);
  const [plateCheckResult, setPlateCheckResult] = useState<{
    is_empty: boolean;
    confidence: number;
    difference_percent: number;
    message: string;
    debug_image_url?: string;
    needs_calibration: boolean;
    light_warning?: boolean;
    reference_count?: number;
    max_references?: number;
    roi?: { x: number; y: number; w: number; h: number };
  } | null>(null);
  const [isCheckingPlate, setIsCheckingPlate] = useState(false);
  const [isCalibrating, setIsCalibrating] = useState(false);
  const [editingRoi, setEditingRoi] = useState<{ x: number; y: number; w: number; h: number } | null>(null);
  const [isSavingRoi, setIsSavingRoi] = useState(false);
  const [plateCheckLightWasOff, setPlateCheckLightWasOff] = useState(false);

  const { data: status } = useQuery({
    queryKey: ['printerStatus', printer.id],
    queryFn: () => api.getPrinterStatus(printer.id),
    refetchInterval: 30000, // Fallback polling, WebSocket handles real-time
  });

  // Check for firmware updates (cached for 5 minutes, can be disabled in settings)
  const { data: firmwareInfo } = useQuery({
    queryKey: ['firmwareUpdate', printer.id],
    queryFn: () => firmwareApi.checkPrinterUpdate(printer.id),
    staleTime: 5 * 60 * 1000,
    refetchInterval: 5 * 60 * 1000,
    enabled: checkPrinterFirmware && hasPermission('firmware:read'),
  });

  // Collect unique tray_info_idx values for cloud filament info lookup
  const trayInfoIds = useMemo(() => {
    const ids = new Set<string>();
    if (status?.ams) {
      for (const ams of status.ams) {
        for (const tray of ams.tray || []) {
          if (tray.tray_info_idx) {
            ids.add(tray.tray_info_idx);
          }
        }
      }
    }
    for (const vt of status?.vt_tray ?? []) {
      if (vt.tray_info_idx) ids.add(vt.tray_info_idx);
    }
    if (status?.nozzle_rack) {
      for (const slot of status.nozzle_rack) {
        if (slot.filament_id) {
          ids.add(slot.filament_id);
        }
      }
    }
    return Array.from(ids);
  }, [status?.ams, status?.vt_tray, status?.nozzle_rack]);

  // Collect loaded filament types for queue widget filtering
  const loadedFilamentTypes = useMemo(() => {
    const types = new Set<string>();
    if (status?.ams) {
      for (const ams of status.ams) {
        for (const tray of ams.tray || []) {
          if (tray.tray_type) types.add(tray.tray_type.toUpperCase());
        }
      }
    }
    for (const vt of status?.vt_tray ?? []) {
      if (vt.tray_type) types.add(vt.tray_type.toUpperCase());
    }
    return types;
  }, [status?.ams, status?.vt_tray]);

  // Collect loaded filament type+color pairs for queue widget override matching
  // Format: "TYPE:rrggbb" (e.g., "PETG:ffffff") — mirrors backend _count_override_color_matches()
  const loadedFilaments = useMemo(() => {
    const filaments = new Set<string>();
    if (status?.ams) {
      for (const ams of status.ams) {
        for (const tray of ams.tray || []) {
          if (tray.tray_type && tray.tray_color) {
            const color = tray.tray_color.replace('#', '').toLowerCase().slice(0, 6);
            filaments.add(`${tray.tray_type.toUpperCase()}:${color}`);
          }
        }
      }
    }
    for (const vt of status?.vt_tray ?? []) {
      if (vt.tray_type && vt.tray_color) {
        const color = vt.tray_color.replace('#', '').toLowerCase().slice(0, 6);
        filaments.add(`${vt.tray_type.toUpperCase()}:${color}`);
      }
    }
    return filaments;
  }, [status?.ams, status?.vt_tray]);

  // Fetch cloud filament info for tooltips (name includes color, also has K value)
  const { data: filamentInfo } = useQuery({
    queryKey: ['filamentInfo', trayInfoIds],
    queryFn: () => api.getFilamentInfo(trayInfoIds),
    enabled: trayInfoIds.length > 0,
    staleTime: 5 * 60 * 1000, // 5 minutes
  });

  // Fetch slot preset mappings (stores preset name for user-configured slots)
  const { data: slotPresets } = useQuery({
    queryKey: ['slotPresets', printer.id],
    queryFn: () => api.getSlotPresets(printer.id),
    staleTime: 2 * 60 * 1000, // 2 minutes
  });

  // Fetch user-defined AMS friendly names from the database
  const { data: amsLabels, refetch: refetchAmsLabels } = useQuery({
    queryKey: ['amsLabels', printer.id],
    queryFn: () => api.getAmsLabels(printer.id),
    staleTime: 5 * 60 * 1000, // 5 minutes
  });

  // Cache WiFi signal to prevent it disappearing on updates
  const [cachedWifiSignal, setCachedWifiSignal] = useState<number | null>(null);
  useEffect(() => {
    if (status?.wifi_signal != null) {
      setCachedWifiSignal(status.wifi_signal);
    }
  }, [status?.wifi_signal]);
  const wifiSignal = status?.wifi_signal ?? cachedWifiSignal;

  // Cache connected state to prevent flicker when status briefly becomes undefined
  const cachedConnected = useRef<boolean | undefined>(undefined);
  useEffect(() => {
    if (status?.connected !== undefined) {
      cachedConnected.current = status.connected;
    }
  }, [status?.connected]);
  const isConnected = status?.connected ?? cachedConnected.current;

  // Cache ams_extruder_map to prevent L/R indicators bouncing on updates
  const cachedAmsExtruderMap = useRef<Record<string, number>>({});
  useEffect(() => {
    if (status?.ams_extruder_map && Object.keys(status.ams_extruder_map).length > 0) {
      cachedAmsExtruderMap.current = status.ams_extruder_map;
    }
  }, [status?.ams_extruder_map]);
  const amsExtruderMap = (status?.ams_extruder_map && Object.keys(status.ams_extruder_map).length > 0)
    ? status.ams_extruder_map
    : cachedAmsExtruderMap.current;

  // Cache AMS data to prevent it disappearing on idle/offline printers
  const cachedAmsData = useRef<AMSUnit[]>([]);
  useEffect(() => {
    if (status?.ams && status.ams.length > 0) {
      cachedAmsData.current = status.ams;
    }
  }, [status?.ams]);
  const amsData = (status?.ams && status.ams.length > 0) ? status.ams : cachedAmsData.current;

  // Cache tray_now to prevent flickering when undefined values come in
  // Valid tray IDs: 0-253 for AMS, 254 for external spool
  // tray_now=255 means "no tray loaded" (Bambu protocol sentinel) — never active
  const cachedTrayNow = useRef<number | undefined>(undefined);
  const currentTrayNow = status?.tray_now;
  // Update cache: 255 means "no tray" so clear cache; valid values get cached
  if (currentTrayNow !== undefined && currentTrayNow !== 255) {
    cachedTrayNow.current = currentTrayNow;
  } else if (currentTrayNow === 255) {
    cachedTrayNow.current = undefined;
  }
  const effectiveTrayNow = (currentTrayNow !== undefined && currentTrayNow !== 255)
    ? currentTrayNow
    : cachedTrayNow.current;

  // Fetch smart plug for this printer
  const { data: smartPlug } = useQuery({
    queryKey: ['smartPlugByPrinter', printer.id],
    queryFn: () => api.getSmartPlugByPrinter(printer.id),
  });

  // Fetch script plugs for this printer (for multi-device control)
  const { data: scriptPlugs } = useQuery({
    queryKey: ['scriptPlugsByPrinter', printer.id],
    queryFn: () => api.getScriptPlugsByPrinter(printer.id),
  });

  // Fetch smart plug status if plug exists (faster refresh for energy monitoring)
  const { data: plugStatus } = useQuery({
    queryKey: ['smartPlugStatus', smartPlug?.id],
    queryFn: () => smartPlug ? api.getSmartPlugStatus(smartPlug.id) : null,
    enabled: !!smartPlug,
    refetchInterval: 10000, // 10 seconds for real-time power display
  });

  // Fetch queue count for this printer
  const { data: queueItems } = useQuery({
    queryKey: ['queue', printer.id, 'pending'],
    queryFn: () => api.getQueue(printer.id, 'pending'),
  });
  // Filter queue items by filament compatibility (same logic as PrinterQueueWidget)
  // so the badge only shows on printers that can actually run the queued jobs.
  // An empty Set means no filaments are loaded — jobs requiring specific types are incompatible.
  const queueCount = useMemo(() => {
    if (!queueItems?.length) return 0;
    return filterCompatibleQueueItems(queueItems, loadedFilamentTypes, loadedFilaments).length;
  }, [queueItems, loadedFilamentTypes, loadedFilaments]);

  // Fetch currently printing queue item to show who started it (Issue #206)
  const { data: printingQueueItems } = useQuery({
    queryKey: ['queue', printer.id, 'printing'],
    queryFn: () => api.getQueue(printer.id, 'printing'),
    enabled: status?.state === 'RUNNING',
  });

  // Fetch reprint user info (for prints started via Reprint, not queue - Issue #206)
  const { data: reprintUser } = useQuery({
    queryKey: ['currentPrintUser', printer.id],
    queryFn: () => api.getCurrentPrintUser(printer.id),
    enabled: status?.state === 'RUNNING',
  });

  // Combine both sources: queue item user takes precedence, then reprint user
  const currentPrintUser = printingQueueItems?.[0]?.created_by_username || reprintUser?.username;

  // Fetch last completed print for this printer
  const { data: lastPrints } = useQuery({
    queryKey: ['archives', printer.id, 'last'],
    queryFn: () => api.getArchives(printer.id, 1, 0),
    enabled: status?.connected && status?.state !== 'RUNNING',
  });
  const lastPrint = lastPrints?.[0];

  // Determine if this card should be hidden (use cached connected state to prevent flicker)
  const shouldHide = hideIfDisconnected && isConnected === false;

  const deleteMutation = useMutation({
    mutationFn: (options: { deleteArchives: boolean }) =>
      api.deletePrinter(printer.id, options.deleteArchives),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['printers'] });
      queryClient.invalidateQueries({ queryKey: ['archives'] });
      queryClient.invalidateQueries({ queryKey: ['maintenanceOverview'] });
    },
    onError: (error: Error) => showToast(error.message || t('printers.toast.failedToDelete'), 'error'),
  });

  const connectMutation = useMutation({
    mutationFn: () => api.connectPrinter(printer.id),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['printerStatus', printer.id] });
    },
  });

  const unlinkSpoolMutation = useMutation({
    mutationFn: (spoolId: number) => api.unlinkSpool(spoolId),
    onSuccess: (result) => {
      showToast(t('spoolman.unlinkSuccess') || result?.message, 'success');
      queryClient.invalidateQueries({ queryKey: ['linked-spools'] });
      queryClient.invalidateQueries({ queryKey: ['unlinked-spools'] });
    },
    onError: (error: Error) => {
      showToast(error.message || t('spoolman.unlinkFailed'), 'error');
    },
  });

  // AMS drying mutations
  const startDryingMutation = useMutation({
    mutationFn: ({ amsId, temp, duration, filament, rotateTray }: { amsId: number; temp: number; duration: number; filament: string; rotateTray: boolean }) =>
      api.startDrying(printer.id, amsId, temp, duration, filament, rotateTray),
    onSuccess: () => {
      setDryingPopoverAmsId(null);
      queryClient.invalidateQueries({ queryKey: ['printerStatus', printer.id] });
    },
    onError: (error: Error) => showToast(error.message || t('printers.toast.failedToSendCommand'), 'error'),
  });

  const stopDryingMutation = useMutation({
    mutationFn: (amsId: number) => api.stopDrying(printer.id, amsId),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['printerStatus', printer.id] });
    },
    onError: (error: Error) => showToast(error.message || t('printers.toast.failedToSendCommand'), 'error'),
  });

  // Smart plug control mutations
  const powerControlMutation = useMutation({
    mutationFn: (action: 'on' | 'off') =>
      smartPlug ? api.controlSmartPlug(smartPlug.id, action) : Promise.reject('No plug'),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['smartPlugStatus', smartPlug?.id] });
    },
  });

  const toggleAutoOffMutation = useMutation({
    mutationFn: (enabled: boolean) =>
      smartPlug ? api.updateSmartPlug(smartPlug.id, { auto_off: enabled }) : Promise.reject('No plug'),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['smartPlugByPrinter', printer.id] });
      // Also invalidate the smart-plugs list to keep Settings page in sync
      queryClient.invalidateQueries({ queryKey: ['smart-plugs'] });
    },
  });

  // Run HA entity mutation — scripts use 'on' (trigger), switches use 'toggle'
  const runScriptMutation = useMutation({
    mutationFn: ({ id, action }: { id: number; action: 'on' | 'toggle' }) => api.controlSmartPlug(id, action),
    onSuccess: () => {
      showToast(t('printers.toast.scriptTriggered'));
    },
    onError: (error: Error) => showToast(error.message || t('printers.toast.failedToRunScript'), 'error'),
  });

  // Print control mutations
  const stopPrintMutation = useMutation({
    mutationFn: () => api.stopPrint(printer.id),
    onSuccess: () => {
      showToast(t('printers.toast.printStopped'));
      queryClient.invalidateQueries({ queryKey: ['printerStatus', printer.id] });
    },
    onError: (error: Error) => showToast(error.message || t('printers.toast.failedToStopPrint'), 'error'),
  });

  const pausePrintMutation = useMutation({
    mutationFn: () => api.pausePrint(printer.id),
    onSuccess: () => {
      showToast(t('printers.toast.printPaused'));
      queryClient.invalidateQueries({ queryKey: ['printerStatus', printer.id] });
    },
    onError: (error: Error) => showToast(error.message || t('printers.toast.failedToPausePrint'), 'error'),
  });

  const resumePrintMutation = useMutation({
    mutationFn: () => api.resumePrint(printer.id),
    onSuccess: () => {
      showToast(t('printers.toast.printResumed'));
      queryClient.invalidateQueries({ queryKey: ['printerStatus', printer.id] });
    },
    onError: (error: Error) => showToast(error.message || t('printers.toast.failedToResumePrint'), 'error'),
  });

  const loadExternalMutation = useMutation({
    mutationFn: () => api.loadExternalFilament(printer.id),
    onSuccess: () => {
      showToast(t('printers.toast.filamentLoadExternalSent'));
      queryClient.invalidateQueries({ queryKey: ['printerStatus', printer.id] });
    },
    onError: (error: Error) => showToast(error.message || t('printers.toast.failedToLoadExternalFilament'), 'error'),
  });

  const unloadExternalMutation = useMutation({
    mutationFn: () => api.unloadExternalFilament(printer.id),
    onSuccess: () => {
      showToast(t('printers.toast.filamentUnloadExternalSent'));
      queryClient.invalidateQueries({ queryKey: ['printerStatus', printer.id] });
    },
    onError: (error: Error) => showToast(error.message || t('printers.toast.failedToUnloadExternalFilament'), 'error'),
  });

  // Chamber light mutation with optimistic update
  const chamberLightMutation = useMutation({
    mutationFn: (on: boolean) => api.setChamberLight(printer.id, on),
    onMutate: async (on) => {
      // Cancel any outgoing refetches
      await queryClient.cancelQueries({ queryKey: ['printerStatus', printer.id] });
      // Snapshot the previous value
      const previousStatus = queryClient.getQueryData(['printerStatus', printer.id]);
      // Optimistically update
      queryClient.setQueryData(['printerStatus', printer.id], (old: typeof status) => ({
        ...old,
        chamber_light: on,
      }));
      return { previousStatus };
    },
    onSuccess: (_, on) => {
      showToast(`Chamber light ${on ? 'on' : 'off'}`);
    },
    onError: (error: Error, _, context) => {
      // Rollback on error
      if (context?.previousStatus) {
        queryClient.setQueryData(['printerStatus', printer.id], context.previousStatus);
      }
      showToast(error.message || t('printers.toast.failedToControlChamberLight'), 'error');
    },
  });

  // Print speed mutation with optimistic update
  const printSpeedMutation = useMutation({
    mutationFn: (mode: number) => api.setPrintSpeed(printer.id, mode),
    onMutate: async (mode) => {
      await queryClient.cancelQueries({ queryKey: ['printerStatus', printer.id] });
      const previousStatus = queryClient.getQueryData(['printerStatus', printer.id]);
      queryClient.setQueryData(['printerStatus', printer.id], (old: typeof status) => ({
        ...old,
        speed_level: mode,
      }));
      return { previousStatus };
    },
    onError: (error: Error, _, context) => {
      if (context?.previousStatus) {
        queryClient.setQueryData(['printerStatus', printer.id], context.previousStatus);
      }
      showToast(error.message || t('printers.toast.failedToSetSpeed'), 'error');
    },
  });

  // Plate detection setting mutation
  const plateDetectionMutation = useMutation({
    mutationFn: (enabled: boolean) => api.updatePrinter(printer.id, { plate_detection_enabled: enabled }),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['printers'] });
      showToast(plateDetectionMutation.variables ? t('printers.toast.plateCheckEnabled') : t('printers.toast.plateCheckDisabled'));
    },
    onError: (error: Error) => showToast(error.message || t('printers.toast.failedToUpdateSetting'), 'error'),
  });

  // Query for printable objects (for skip functionality)
  // Fetch when printing with 2+ objects OR when modal is open
  const isPrintingWithObjects = (status?.state === 'RUNNING' || status?.state === 'PAUSE') && (status?.printable_objects_count ?? 0) >= 2;
  const { data: objectsData } = useQuery({
    queryKey: ['printableObjects', printer.id],
    queryFn: () => api.getPrintableObjects(printer.id),
    enabled: showSkipObjectsModal || isPrintingWithObjects,
    refetchInterval: showSkipObjectsModal ? 5000 : (isPrintingWithObjects ? 30000 : false), // 5s when modal open, 30s otherwise
  });

  // State for tracking which AMS slot is being refreshed
  const [refreshingSlot, setRefreshingSlot] = useState<{ amsId: number; slotId: number } | null>(null);
  // Track if we've seen the printer enter "busy" state (ams_status_main !== 0)
  const seenBusyStateRef = useRef<boolean>(false);
  // Fallback timeout ref
  const refreshTimeoutRef = useRef<ReturnType<typeof setTimeout> | null>(null);
  // Minimum display time passed
  const minTimePassedRef = useRef<boolean>(false);

  // AMS slot refresh mutation
  const refreshAmsSlotMutation = useMutation({
    mutationFn: ({ amsId, slotId }: { amsId: number; slotId: number }) =>
      api.refreshAmsSlot(printer.id, amsId, slotId),
    onMutate: ({ amsId, slotId }) => {
      // Clear any existing timeout
      if (refreshTimeoutRef.current) {
        clearTimeout(refreshTimeoutRef.current);
      }
      // Reset state
      seenBusyStateRef.current = false;
      minTimePassedRef.current = false;
      setRefreshingSlot({ amsId, slotId });
      // Minimum display time (2 seconds)
      setTimeout(() => {
        minTimePassedRef.current = true;
      }, 2000);
      // Fallback timeout (30 seconds max)
      refreshTimeoutRef.current = setTimeout(() => {
        setRefreshingSlot(null);
      }, 30000);
    },
    onSuccess: (data) => {
      showToast(data.message || t('printers.toast.rfidRereadInitiated'));
    },
    onError: (error: Error) => {
      showToast(error.message || t('printers.toast.failedToRereadRfid'), 'error');
      if (refreshTimeoutRef.current) {
        clearTimeout(refreshTimeoutRef.current);
      }
      setRefreshingSlot(null);
    },
  });

  // Plate references state
  const [plateReferences, setPlateReferences] = useState<{
    references: Array<{ index: number; label: string; timestamp: string; has_image: boolean; thumbnail_url: string }>;
    max_references: number;
  } | null>(null);
  const [editingRefLabel, setEditingRefLabel] = useState<{ index: number; label: string } | null>(null);

  // Fetch plate references
  const fetchPlateReferences = async () => {
    try {
      const data = await api.getPlateReferences(printer.id);
      setPlateReferences(data);
    } catch {
      // Ignore errors - references will show as empty
    }
  };

  // Toggle plate detection enabled/disabled
  const handleTogglePlateDetection = () => {
    plateDetectionMutation.mutate(!printer.plate_detection_enabled);
  };

  // Open plate detection management modal (for calibration/references)
  const handleOpenPlateManagement = async () => {
    setIsCheckingPlate(true);
    setPlateCheckResult(null);

    // Auto-turn on light if it's off
    const lightWasOff = status?.chamber_light === false;
    setPlateCheckLightWasOff(lightWasOff);
    if (lightWasOff) {
      await api.setChamberLight(printer.id, true);
      // Wait for light to physically turn on and camera to adjust exposure
      // (MQTT command is async, light takes ~1s to turn on, camera needs time to adjust)
      await new Promise(resolve => setTimeout(resolve, 2500));
    }

    try {
      const result = await api.checkPlateEmpty(printer.id, { includeDebugImage: true });
      setPlateCheckResult(result);
      fetchPlateReferences();
    } catch (error) {
      showToast(error instanceof Error ? error.message : t('printers.toast.failedToCheckPlate'), 'error');
      // Restore light if check failed
      if (lightWasOff) {
        await api.setChamberLight(printer.id, false);
        setPlateCheckLightWasOff(false);
      }
    } finally {
      setIsCheckingPlate(false);
    }
  };

  // Close plate check modal and restore light state
  const closePlateCheckModal = useCallback(async () => {
    setPlateCheckResult(null);
    // Restore light to original state if we turned it on
    if (plateCheckLightWasOff) {
      await api.setChamberLight(printer.id, false);
      setPlateCheckLightWasOff(false);
    }
  }, [plateCheckLightWasOff, printer.id]);

  // Calibrate plate detection handler
  const handleCalibratePlate = async (label?: string) => {
    setIsCalibrating(true);
    try {
      const result = await api.calibratePlateDetection(printer.id, { label });
      if (result.success) {
        showToast(result.message || t('printers.toast.calibrationSaved'), 'success');
        // Refresh references and re-check
        fetchPlateReferences();
        const checkResult = await api.checkPlateEmpty(printer.id, { includeDebugImage: true });
        setPlateCheckResult(checkResult);
      } else {
        showToast(result.message || t('printers.toast.calibrationFailed'), 'error');
      }
    } catch (error) {
      showToast(error instanceof Error ? error.message : t('printers.toast.calibrationFailed'), 'error');
    } finally {
      setIsCalibrating(false);
    }
  };

  // Update reference label
  const handleUpdateRefLabel = async (index: number, label: string) => {
    try {
      await api.updatePlateReferenceLabel(printer.id, index, label);
      setEditingRefLabel(null);
      fetchPlateReferences();
    } catch (error) {
      showToast(error instanceof Error ? error.message : t('printers.toast.failedToUpdateLabel'), 'error');
    }
  };

  // Delete reference
  const handleDeleteRef = async (index: number) => {
    try {
      await api.deletePlateReference(printer.id, index);
      showToast(t('printers.toast.referenceDeleted'), 'success');
      fetchPlateReferences();
      // Re-check to update counts
      const checkResult = await api.checkPlateEmpty(printer.id, { includeDebugImage: true });
      setPlateCheckResult(checkResult);
    } catch (error) {
      showToast(error instanceof Error ? error.message : t('printers.toast.failedToDeleteReference'), 'error');
    }
  };

  // Save ROI settings
  const handleSaveRoi = async () => {
    if (!editingRoi) return;
    setIsSavingRoi(true);
    try {
      await api.updatePrinter(printer.id, { plate_detection_roi: editingRoi });
      showToast(t('printers.toast.detectionAreaSaved'), 'success');
      setEditingRoi(null);
      // Re-check to see new ROI in action
      const checkResult = await api.checkPlateEmpty(printer.id, { includeDebugImage: true });
      setPlateCheckResult(checkResult);
    } catch (error) {
      showToast(error instanceof Error ? error.message : t('printers.toast.failedToSaveDetectionArea'), 'error');
    } finally {
      setIsSavingRoi(false);
    }
  };

  // Close plate check modal on Escape key
  useEffect(() => {
    const handleEscape = (e: KeyboardEvent) => {
      if (e.key === 'Escape' && plateCheckResult) {
        closePlateCheckModal();
      }
    };
    window.addEventListener('keydown', handleEscape);
    return () => window.removeEventListener('keydown', handleEscape);
  }, [plateCheckResult, closePlateCheckModal]);

  // Watch ams_status_main to detect when RFID read completes
  // ams_status_main: 0=idle, 2=rfid_identifying
  const deferredClearRef = useRef<ReturnType<typeof setTimeout> | null>(null);

  useEffect(() => {
    if (!refreshingSlot) return;

    const amsStatus = status?.ams_status_main ?? 0;

    // Track when we see non-idle state (printer is working)
    if (amsStatus !== 0) {
      seenBusyStateRef.current = true;
      // Cancel any deferred clear since we're back to busy
      if (deferredClearRef.current) {
        clearTimeout(deferredClearRef.current);
        deferredClearRef.current = null;
      }
    }

    // When we've seen busy and now idle, clear (with min time check)
    if (seenBusyStateRef.current && amsStatus === 0) {
      if (minTimePassedRef.current) {
        // Min time passed - clear now
        if (refreshTimeoutRef.current) {
          clearTimeout(refreshTimeoutRef.current);
        }
        setRefreshingSlot(null);
      } else {
        // Schedule clear after min time (2 seconds from start)
        if (!deferredClearRef.current) {
          deferredClearRef.current = setTimeout(() => {
            if (refreshTimeoutRef.current) {
              clearTimeout(refreshTimeoutRef.current);
            }
            setRefreshingSlot(null);
          }, 2000);
        }
      }
    }

    return () => {
      if (deferredClearRef.current) {
        clearTimeout(deferredClearRef.current);
      }
    };
  }, [status?.ams_status_main, refreshingSlot]);

  // State for AMS slot menu
  const [amsSlotMenu, setAmsSlotMenu] = useState<{ amsId: number; slotId: number } | null>(null);

  if (shouldHide) {
    return null;
  }

  // Size-based styling helpers
  const getImageSize = () => {
    switch (cardSize) {
      case 1: return 'w-10 h-10';
      case 2: return 'w-14 h-14';
      case 3: return 'w-16 h-16';
      case 4: return 'w-20 h-20';
      default: return 'w-14 h-14';
    }
  };
  const getTitleSize = () => {
    switch (cardSize) {
      case 1: return 'text-base truncate';
      case 2: return 'text-lg';
      case 3: return 'text-xl';
      case 4: return 'text-2xl';
      default: return 'text-lg';
    }
  };
  const getSpacing = () => {
    switch (cardSize) {
      case 1: return 'mb-2';
      case 2: return 'mb-4';
      case 3: return 'mb-5';
      case 4: return 'mb-6';
      default: return 'mb-4';
    }
  };

  const canDrop = isConnected && status?.state !== 'RUNNING' && status?.state !== 'PAUSE' && hasPermission('printers:control');

  const handleCardDragEnter = (e: React.DragEvent) => {
    e.preventDefault();
    dragCounterRef.current++;
    if (dragCounterRef.current === 1) setIsDraggingFile(true);
  };

  const handleCardDragOver = (e: React.DragEvent) => {
    e.preventDefault();
    e.dataTransfer.dropEffect = canDrop ? 'copy' : 'none';
  };

  const handleCardDragLeave = (e: React.DragEvent) => {
    e.preventDefault();
    dragCounterRef.current--;
    if (dragCounterRef.current === 0) setIsDraggingFile(false);
  };

  const handleCardDrop = async (e: React.DragEvent) => {
    e.preventDefault();
    dragCounterRef.current = 0;
    setIsDraggingFile(false);

    if (!canDrop) return;

    const droppedFiles = Array.from(e.dataTransfer.files);
    const file = droppedFiles[0];
    if (!file) return;

    // Only accept sliced/printable files (.gcode, .gcode.3mf, etc.)
    const lower = file.name.toLowerCase();
    if (!lower.endsWith('.gcode') && !lower.includes('.gcode.')) {
      showToast(t('printers.dropNotPrintable', 'Only .gcode and .gcode.3mf files can be printed'), 'error');
      return;
    }

    setIsDropUploading(true);
    try {
      const result = await api.uploadLibraryFile(file, null);

      // Check printer compatibility if sliced_for_model is available in metadata
      const slicedFor = (result.metadata as Record<string, unknown>)?.sliced_for_model as string | undefined;
      const printerModel = mapModelCode(printer.model);
      if (slicedFor && printerModel && slicedFor.toLowerCase() !== printerModel.toLowerCase()) {
        await api.deleteLibraryFile(result.id).catch(() => {});
        showToast(
          t('printers.incompatibleFile', 'This file was sliced for {{slicedFor}}, but this printer is a {{printerModel}}', { slicedFor, printerModel }),
          'error'
        );
        return;
      }

      setPrintAfterUpload({ id: result.id, filename: result.filename });
    } catch {
      showToast(t('common.uploadFailed', 'Upload failed'), 'error');
    } finally {
      setIsDropUploading(false);
    }
  };

  return (
    <Card
      className={`relative ${isSelected ? 'ring-2 ring-bambu-green' : ''} ${selectionMode ? 'cursor-pointer' : ''}`}
      onDragEnter={handleCardDragEnter}
      onDragOver={handleCardDragOver}
      onDragLeave={handleCardDragLeave}
      onDrop={handleCardDrop}
    >
      {/* Selection mode click overlay — captures all clicks, preventing nested interactions */}
      {selectionMode && (
        <div
          className="absolute inset-0 z-20 flex items-start p-2"
          onClick={(e) => { e.stopPropagation(); onToggleSelect?.(printer.id); }}
        >
          {isSelected ? (
            <CheckSquare className="w-5 h-5 text-bambu-green" />
          ) : (
            <Square className="w-5 h-5 text-bambu-gray" />
          )}
        </div>
      )}
      {/* Drop zone overlay */}
      {(isDraggingFile || isDropUploading) && (
        <div
          className={`absolute inset-0 z-10 rounded-xl border-2 border-dashed flex items-center justify-center transition-colors ${
            isDropUploading
              ? 'bg-bambu-green/10 border-bambu-green/50'
              : canDrop
                ? 'bg-bambu-green/10 border-bambu-green'
                : 'bg-red-500/10 border-red-500/50'
          }`}
        >
          <div className="text-center">
            {isDropUploading ? (
              <>
                <Loader2 className="w-8 h-8 mx-auto mb-2 text-bambu-green animate-spin" />
                <p className="text-sm font-medium text-bambu-green">{t('common.uploading', 'Uploading...')}</p>
              </>
            ) : canDrop ? (
              <>
                <PrinterIcon className="w-8 h-8 mx-auto mb-2 text-bambu-green" />
                <p className="text-sm font-medium text-bambu-green">{t('printers.dropToPrint', 'Drop to print')}</p>
              </>
            ) : (
              <>
                <X className="w-8 h-8 mx-auto mb-2 text-red-400" />
                <p className="text-sm font-medium text-red-400">{t('printers.cannotPrint', 'Printer busy')}</p>
              </>
            )}
          </div>
        </div>
      )}
      <CardContent className={cardSize >= 3 ? 'p-5' : ''}>
        {/* Header */}
        <div className={getSpacing()}>
          {/* Top row: Image, Name, Menu */}
          <div className="flex items-start justify-between gap-2">
            <div className="flex items-center gap-3 min-w-0 flex-1">
              {/* Printer Model Image */}
              <img
                src={getPrinterImage(printer.model)}
                alt={printer.model || t('common.printer')}
                className={`object-contain rounded-lg bg-bambu-dark flex-shrink-0 ${getImageSize()}`}
              />
              <div className="min-w-0 flex-1">
                <div className="flex items-center gap-2">
                  <h3 className={`font-semibold text-white ${getTitleSize()}`}>{printer.name}</h3>
                  {/* Connection indicator dot for compact mode */}
                  {viewMode === 'compact' && (() => {
                    const hmsErrors = status?.connected && status.hms_errors ? filterKnownHMSErrors(status.hms_errors) : [];
                    const hasSevere = hmsErrors.some(e => e.severity <= 2);
                    const hasWarning = hmsErrors.length > 0;
                    const pipColor = !status?.connected
                      ? 'bg-status-error'
                      : hasSevere
                        ? 'bg-status-error'
                        : hasWarning
                          ? 'bg-status-warning'
                          : 'bg-status-ok';
                    const pipTitle = !status?.connected
                      ? t('printers.connection.offline')
                      : hasWarning
                        ? `${hmsErrors.length} HMS ${hmsErrors.length === 1 ? 'error' : 'errors'}`
                        : t('printers.connection.connected');
                    return (
                      <div
                        className={`w-2 h-2 rounded-full flex-shrink-0 ${pipColor}`}
                        title={pipTitle}
                      />
                    );
                  })()}
                </div>
                <p className="text-sm text-bambu-gray">
                  {printer.model || 'Unknown Model'}
                  {/* Nozzle Info - only in expanded */}
                  {viewMode === 'expanded' && status?.nozzles && status.nozzles[0]?.nozzle_diameter && (
                    <span className="ml-1.5 text-bambu-gray" title={status.nozzles[0].nozzle_type || 'Nozzle'}>
                      • {status.nozzles[0].nozzle_diameter}mm
                    </span>
                  )}
                  {viewMode === 'expanded' && maintenanceInfo && maintenanceInfo.total_print_hours > 0 && (
                    <span className="ml-2 text-bambu-gray">
                      <Clock className="w-3 h-3 inline-block mr-1" />
                      {Math.round(maintenanceInfo.total_print_hours)}h
                    </span>
                  )}
                </p>
              </div>
            </div>
            {/* Menu button */}
            <div className="relative flex-shrink-0">
              <Button
                variant="ghost"
                size="sm"
                onClick={() => setShowMenu(!showMenu)}
              >
                <MoreVertical className="w-4 h-4" />
              </Button>
              {showMenu && (
                <div className="absolute right-0 mt-2 w-48 bg-bambu-dark-secondary border border-bambu-dark-tertiary rounded-lg shadow-lg z-20">
                  <button
                    className={`w-full px-4 py-2 text-left text-sm flex items-center gap-2 ${
                      hasPermission('printers:update')
                        ? 'hover:bg-bambu-dark-tertiary'
                        : 'opacity-50 cursor-not-allowed'
                    }`}
                    onClick={() => {
                      if (!hasPermission('printers:update')) return;
                      setShowEditModal(true);
                      setShowMenu(false);
                    }}
                    title={!hasPermission('printers:update') ? t('printers.permission.noEdit') : undefined}
                  >
                    <Pencil className="w-4 h-4" />
                    {t('common.edit')}
                  </button>
                  <button
                    className="w-full px-4 py-2 text-left text-sm hover:bg-bambu-dark-tertiary flex items-center gap-2"
                    onClick={() => {
                      setShowPrinterInfo(true);
                      setShowMenu(false);
                    }}
                  >
                    <Info className="w-4 h-4" />
                    {t('printers.printerInformation')}
                  </button>
                  <button
                    className="w-full px-4 py-2 text-left text-sm hover:bg-bambu-dark-tertiary flex items-center gap-2"
                    onClick={() => {
                      connectMutation.mutate();
                      setShowMenu(false);
                    }}
                  >
                    <RefreshCw className="w-4 h-4" />
                    {t('printers.reconnect')}
                  </button>
                  <button
                    className="w-full px-4 py-2 text-left text-sm hover:bg-bambu-dark-tertiary flex items-center gap-2"
                    onClick={() => {
                      setShowMQTTDebug(true);
                      setShowMenu(false);
                    }}
                  >
                    <Terminal className="w-4 h-4" />
                    {t('printers.mqttDebug')}
                  </button>
                  <button
                    className={`w-full px-4 py-2 text-left text-sm flex items-center gap-2 ${
                      hasPermission('printers:delete')
                        ? 'text-red-400 hover:bg-bambu-dark-tertiary'
                        : 'text-red-400/50 cursor-not-allowed'
                    }`}
                    onClick={() => {
                      if (!hasPermission('printers:delete')) return;
                      setShowDeleteConfirm(true);
                      setShowMenu(false);
                    }}
                    title={!hasPermission('printers:delete') ? t('printers.permission.noDelete') : undefined}
                  >
                    <Trash2 className="w-4 h-4" />
                    {t('common.delete')}
                  </button>
                </div>
              )}
            </div>
          </div>

          {/* Badges row - only in expanded mode */}
          {viewMode === 'expanded' && (
            <div className="flex flex-wrap items-center gap-2 mt-2">
              {/* Connection status badge */}
              <span
                className={`flex items-center gap-1.5 px-2 py-1 rounded-full text-xs ${
                  status?.connected
                    ? 'bg-status-ok/20 text-status-ok'
                    : 'bg-status-error/20 text-status-error'
                }`}
              >
                {status?.connected ? (
                  <Link className="w-3 h-3" />
                ) : (
                  <Unlink className="w-3 h-3" />
                )}
                {status?.connected ? t('printers.connection.connected') : t('printers.connection.offline')}
              </span>
              {/* Network connection indicator */}
              {status?.connected && status?.wired_network && (
                <span
                  className="flex items-center gap-1 px-2 py-1 rounded-full text-xs bg-status-ok/20 text-status-ok"
                  title={t('printers.connection.ethernet', 'Ethernet')}
                >
                  <Cable className="w-3 h-3" />
                  {t('printers.connection.ethernet', 'Ethernet')}
                </span>
              )}
              {/* WiFi signal indicator */}
              {status?.connected && !status?.wired_network && wifiSignal != null && (
                <span
                  className={`flex items-center gap-1 px-2 py-1 rounded-full text-xs ${
                    wifiSignal >= -50
                      ? 'bg-status-ok/20 text-status-ok'
                      : wifiSignal >= -60
                      ? 'bg-status-ok/20 text-status-ok'
                      : wifiSignal >= -70
                      ? 'bg-status-warning/20 text-status-warning'
                      : wifiSignal >= -80
                      ? 'bg-orange-500/20 text-orange-600'
                      : 'bg-status-error/20 text-status-error'
                  }`}
                  title={`WiFi: ${wifiSignal} dBm - ${t(getWifiStrength(wifiSignal).labelKey)}`}
                >
                  <Signal className="w-3 h-3" />
                  {wifiSignal}dBm
                </span>
              )}
              {/* HMS Status Indicator */}
              {status?.connected && (() => {
                const knownErrors = status.hms_errors ? filterKnownHMSErrors(status.hms_errors) : [];
                return (
                  <button
                    onClick={() => setShowHMSModal(true)}
                    className={`flex items-center gap-1 px-2 py-1 rounded-full text-xs cursor-pointer hover:opacity-80 transition-opacity ${
                      knownErrors.length > 0
                        ? knownErrors.some(e => e.severity <= 2)
                          ? 'bg-status-error/20 text-status-error'
                          : 'bg-status-warning/20 text-status-warning'
                        : 'bg-status-ok/20 text-status-ok'
                    }`}
                    title={t('printers.clickToViewHmsErrors')}
                  >
                    <AlertTriangle className="w-3 h-3" />
                    {knownErrors.length > 0 ? knownErrors.length : 'OK'}
                  </button>
                );
              })()}
              {/* Maintenance Status Indicator */}
              {maintenanceInfo && (
                <button
                  onClick={() => navigate('/maintenance')}
                  className={`flex items-center gap-1 px-2 py-1 rounded-full text-xs cursor-pointer hover:opacity-80 transition-opacity ${
                    maintenanceInfo.due_count > 0
                      ? 'bg-status-error/20 text-status-error'
                      : maintenanceInfo.warning_count > 0
                      ? 'bg-status-warning/20 text-status-warning'
                      : 'bg-status-ok/20 text-status-ok'
                  }`}
                  title={
                    maintenanceInfo.due_count > 0 || maintenanceInfo.warning_count > 0
                      ? `${maintenanceInfo.due_count > 0 ? `${maintenanceInfo.due_count} maintenance due` : ''}${maintenanceInfo.due_count > 0 && maintenanceInfo.warning_count > 0 ? ', ' : ''}${maintenanceInfo.warning_count > 0 ? `${maintenanceInfo.warning_count} due soon` : ''} - Click to view`
                      : t('printers.maintenanceUpToDate')
                  }
                >
                  <Wrench className="w-3 h-3" />
                  {maintenanceInfo.due_count > 0 || maintenanceInfo.warning_count > 0
                    ? maintenanceInfo.due_count + maintenanceInfo.warning_count
                    : 'OK'}
                </button>
              )}
              {/* Queue Count Badge */}
              {queueCount > 0 && (
                <button
                  onClick={() => navigate('/queue')}
                  className="flex items-center gap-1 px-2 py-1 rounded-full text-xs bg-purple-500/20 text-purple-400 hover:opacity-80 transition-opacity"
                  title={t('printers.queue.inQueue', { count: queueCount })}
                >
                  <Layers className="w-3 h-3" />
                  {queueCount}
                </button>
              )}
              {/* Firmware Version Badge */}
              {checkPrinterFirmware && firmwareInfo?.current_version && firmwareInfo?.latest_version ? (
                <button
                  onClick={() => setShowFirmwareModal(true)}
                  className={`flex items-center gap-1 px-2 py-1 rounded-full text-xs hover:opacity-80 transition-opacity ${
                    firmwareInfo.update_available
                      ? 'bg-orange-500/20 text-orange-400'
                      : 'bg-status-ok/20 text-status-ok'
                  }`}
                  title={
                    firmwareInfo.update_available
                      ? t('printers.firmwareUpdateAvailable', { current: firmwareInfo.current_version, latest: firmwareInfo.latest_version })
                      : t('printers.firmwareUpToDate', { version: firmwareInfo.current_version })
                  }
                >
                  {firmwareInfo.update_available ? <Download className="w-3 h-3" /> : <CheckCircle className="w-3 h-3" />}
                  {firmwareInfo.current_version}
                </button>
              ) : status?.firmware_version ? (
                <span className="flex items-center gap-1 px-2 py-1 rounded-full text-xs bg-bambu-dark-tertiary/50 text-bambu-gray">
                  {status.firmware_version}
                </span>
              ) : null}
            </div>
          )}
        </div>

        {/* Delete Confirmation */}
        {showDeleteConfirm && (
          <div className="fixed inset-0 bg-black/50 flex items-center justify-center z-50">
            <Card className="w-full max-w-md mx-4">
              <CardContent>
                <div className="flex items-start gap-3 mb-4">
                  <div className="p-2 rounded-full bg-red-500/20">
                    <AlertTriangle className="w-5 h-5 text-red-400" />
                  </div>
                  <div>
                    <h3 className="text-lg font-semibold text-white">{t('printers.confirm.deleteTitle')}</h3>
                    <p className="text-sm text-bambu-gray mt-1">
                      {t('printers.confirm.deleteMessage', { name: printer.name })}
                    </p>
                  </div>
                </div>

                <div className="bg-bambu-dark rounded-lg p-3 mb-4">
                  <label className="flex items-start gap-3 cursor-pointer">
                    <input
                      type="checkbox"
                      checked={deleteArchives}
                      onChange={(e) => setDeleteArchives(e.target.checked)}
                      className="mt-0.5 w-4 h-4 rounded border-bambu-gray bg-bambu-dark-secondary text-bambu-green focus:ring-bambu-green focus:ring-offset-0"
                    />
                    <div>
                      <span className="text-sm text-white">{t('printers.deleteArchives')}</span>
                      <p className="text-xs text-bambu-gray mt-0.5">
                        {deleteArchives
                          ? t('printers.confirm.deleteArchivesNote')
                          : t('printers.confirm.keepArchivesNote')}
                      </p>
                    </div>
                  </label>
                </div>

                <div className="flex justify-end gap-2">
                  <Button
                    variant="secondary"
                    onClick={() => {
                      setShowDeleteConfirm(false);
                      setDeleteArchives(true);
                    }}
                  >
                    {t('common.cancel')}
                  </Button>
                  <Button
                    variant="danger"
                    onClick={() => {
                      deleteMutation.mutate({ deleteArchives });
                      setShowDeleteConfirm(false);
                      setDeleteArchives(true);
                    }}
                  >
                    Delete
                  </Button>
                </div>
              </CardContent>
            </Card>
          </div>
        )}

        {/* Status */}
        {status?.connected && (
          <>
            {/* Compact: Simple status bar */}
            {viewMode === 'compact' ? (
              <div className="mt-2">
                {(status.state === 'RUNNING' || status.state === 'PAUSE') ? (
                  <div className="flex items-center gap-2">
                    <div className="flex-1 bg-bambu-dark-tertiary rounded-full h-1.5">
                      <div
                        className={`${status.state === 'PAUSE' ? 'bg-status-warning' : 'bg-bambu-green'} h-1.5 rounded-full transition-all`}
                        style={{ width: `${status.progress || 0}%` }}
                      />
                    </div>
                    <span className="text-xs text-white">{Math.round(status.progress || 0)}%</span>
                  </div>
                ) : (
                  <p className="text-xs text-bambu-gray">{getStatusDisplay(status.state, status.stg_cur_name)}</p>
                )}
              </div>
            ) : (
              /* Expanded: Full status section */
              <>
                {/* Current Print or Idle Placeholder */}
                <div className="mb-4 p-3 bg-bambu-dark rounded-lg relative">
                  {/* Skip Objects button - top right corner, always visible */}
                  <button
                    onClick={() => setShowSkipObjectsModal(true)}
                    disabled={!(status.state === 'RUNNING' || status.state === 'PAUSE') || (status.printable_objects_count ?? 0) < 2 || !hasPermission('printers:control')}
                    className={`absolute top-2 right-2 p-1.5 rounded transition-colors z-10 ${
                      (status.state === 'RUNNING' || status.state === 'PAUSE') && (status.printable_objects_count ?? 0) >= 2 && hasPermission('printers:control')
                        ? 'text-bambu-gray hover:text-white hover:bg-white/10'
                        : 'text-bambu-gray/30 cursor-not-allowed'
                    }`}
                    title={
                      !hasPermission('printers:control')
                        ? t('printers.permission.noControl')
                        : !(status.state === 'RUNNING' || status.state === 'PAUSE')
                          ? t('printers.skipObjects.onlyWhilePrinting')
                          : (status.printable_objects_count ?? 0) >= 2
                            ? t('printers.skipObjects.tooltip')
                            : t('printers.skipObjects.requiresMultiple')
                    }
                  >
                    <SkipObjectsIcon className="w-4 h-4" />
                    {/* Badge showing skipped count */}
                    {objectsData && objectsData.skipped_count > 0 && (
                      <span className="absolute -top-1 -right-1 min-w-[16px] h-4 px-1 flex items-center justify-center text-[10px] font-bold bg-red-500 text-white rounded-full">
                        {objectsData.skipped_count}
                      </span>
                    )}
                  </button>
                  <div className="flex gap-3">
                    {/* Cover Image */}
                    <CoverImage
                      url={(status.state === 'RUNNING' || status.state === 'PAUSE') ? status.cover_url : null}
                      printName={(status.state === 'RUNNING' || status.state === 'PAUSE') ? (formatPrintName(status.subtask_name || status.current_print || null, status.gcode_file, t) || undefined) : undefined}
                    />
                    {/* Print Info */}
                    <div className="flex-1 min-w-0">
                      {status.current_print && (status.state === 'RUNNING' || status.state === 'PAUSE') ? (
                        <>
                          <p className="text-sm text-bambu-gray mb-1">{getStatusDisplay(status.state, status.stg_cur_name)}</p>
                          <p className="text-white text-sm mb-2 truncate">
                            {formatPrintName(status.subtask_name || status.current_print || null, status.gcode_file, t)}
                          </p>
                          <div className="flex items-center justify-between text-sm">
                            <div className="flex-1 bg-bambu-dark-tertiary rounded-full h-2 mr-3">
                              <div
                                className={`${status.state === 'PAUSE' ? 'bg-status-warning' : 'bg-bambu-green'} h-2 rounded-full transition-all`}
                                style={{ width: `${status.progress || 0}%` }}
                              />
                            </div>
                            <span className="text-white">{Math.round(status.progress || 0)}%</span>
                          </div>
                          <div className="flex items-center gap-3 mt-2 text-xs text-bambu-gray">
                            {status.remaining_time != null && status.remaining_time > 0 && (
                              <>
                                <span className="flex items-center gap-1">
                                  <Clock className="w-3 h-3" />
                                  {formatDuration(status.remaining_time * 60)}
                                </span>
                                <span className="text-bambu-green font-medium" title={t('printers.estimatedCompletion')}>
                                  ETA {formatETA(status.remaining_time, timeFormat, t)}
                                </span>
                              </>
                            )}
                            {status.layer_num != null && status.total_layers != null && status.total_layers > 0 && (
                              <span className="flex items-center gap-1">
                                <Layers className="w-3 h-3" />
                                {status.layer_num}/{status.total_layers}
                              </span>
                            )}
                            {currentPrintUser && (
                              <span className="flex items-center gap-1" title={`Started by ${currentPrintUser}`}>
                                <User className="w-3 h-3" />
                                {currentPrintUser}
                              </span>
                            )}
                          </div>
                        </>
                      ) : (
                        <>
                          <p className="text-sm text-bambu-gray mb-1">{t('printers.sort.status')}</p>
                          <p className="text-white text-sm mb-2">
                            {getStatusDisplay(status.state, status.stg_cur_name)}
                          </p>
                          <div className="flex items-center justify-between text-sm">
                            <div className="flex-1 bg-bambu-dark-tertiary rounded-full h-2 mr-3">
                              <div className="bg-bambu-dark-tertiary h-2 rounded-full" />
                            </div>
                            <span className="text-bambu-gray">—</span>
                          </div>
                          {lastPrint ? (
                            <p className="text-xs text-bambu-gray mt-2 truncate" title={lastPrint.print_name || lastPrint.filename}>
                              Last: {lastPrint.print_name || lastPrint.filename}
                              {lastPrint.completed_at && (
                                <span className="ml-1 text-bambu-gray/60">
                                  • {formatDateOnly(lastPrint.completed_at, { month: 'short', day: 'numeric' })}
                                </span>
                              )}
                            </p>
                          ) : (
                            <p className="text-xs text-bambu-gray mt-2">{t('printers.readyToPrint')}</p>
                          )}
                        </>
                      )}
                    </div>
                  </div>
                </div>

                {/* Queue Widget - always visible when there are pending items */}
                <PrinterQueueWidget printerId={printer.id} printerModel={printer.model} printerState={status.state} plateCleared={status.plate_cleared} requirePlateClear={requirePlateClear} loadedFilamentTypes={loadedFilamentTypes} loadedFilaments={loadedFilaments} />
              </>
            )}

            {/* Temperatures */}
            {status.temperatures && viewMode === 'expanded' && (() => {
              // Use actual heater states from MQTT stream
              const nozzleHeating = status.temperatures.nozzle_heating || status.temperatures.nozzle_2_heating || false;
              const bedHeating = status.temperatures.bed_heating || false;
              const chamberHeating = status.temperatures.chamber_heating || false;
              const isDualNozzle = printer.nozzle_count === 2 || status.temperatures.nozzle_2 !== undefined;
              // active_extruder: 0=right, 1=left
              const activeNozzle = status.active_extruder === 1 ? 'L' : 'R';
              // Extended nozzle data from nozzle_rack (H2 series: wear, serial, max_temp, etc.)
              // nozzle_rack id 0 = extruder 0 = RIGHT, id 1 = extruder 1 = LEFT
              const leftNozzleSlot = status.nozzle_rack?.find(s => s.id === 1);
              const rightNozzleSlot = status.nozzle_rack?.find(s => s.id === 0);
              // Single-nozzle models (H2D, H2C): use the primary nozzle (id 0)
              const singleNozzleSlot = rightNozzleSlot || leftNozzleSlot;

              return (
                <div className="flex items-stretch gap-1.5 flex-wrap">
                  {/* Nozzle temp - combined for dual nozzle */}
                  <div className="text-center px-2 py-1.5 bg-bambu-dark rounded-lg flex-1 flex flex-col justify-center items-center">
                    <HeaterThermometer className="w-3.5 h-3.5 mb-0.5" color="text-orange-400" isHeating={nozzleHeating} />
                    {status.temperatures.nozzle_2 !== undefined ? (
                      <>
                        <p className="text-[9px] text-bambu-gray">L / R</p>
                        <p className="text-[11px] text-white">
                          {Math.round(status.temperatures.nozzle || 0)}° / {Math.round(status.temperatures.nozzle_2 || 0)}°
                        </p>
                      </>
                    ) : singleNozzleSlot ? (
                      <NozzleSlotHoverCard slot={singleNozzleSlot} index={0} activeStatus filamentName={singleNozzleSlot.filament_id ? filamentInfo?.[singleNozzleSlot.filament_id]?.name : undefined}>
                        <div className="cursor-default">
                          <p className="text-[9px] text-bambu-gray">{t('printers.temperatures.nozzle')}</p>
                          <p className="text-[11px] text-white">
                            {Math.round(status.temperatures.nozzle || 0)}°C
                          </p>
                        </div>
                      </NozzleSlotHoverCard>
                    ) : (
                      <>
                        <p className="text-[9px] text-bambu-gray">{t('printers.temperatures.nozzle')}</p>
                        <p className="text-[11px] text-white">
                          {Math.round(status.temperatures.nozzle || 0)}°C
                        </p>
                      </>
                    )}
                  </div>
                  <div className="text-center px-2 py-1.5 bg-bambu-dark rounded-lg flex-1 flex flex-col justify-center items-center">
                    <HeaterThermometer className="w-3.5 h-3.5 mb-0.5" color="text-blue-400" isHeating={bedHeating} />
                    <p className="text-[9px] text-bambu-gray">{t('printers.temperatures.bed')}</p>
                    <p className="text-[11px] text-white">
                      {Math.round(status.temperatures.bed || 0)}°C
                    </p>
                  </div>
                  {status.temperatures.chamber !== undefined && (
                    <div className="text-center px-2 py-1.5 bg-bambu-dark rounded-lg flex-1 flex flex-col justify-center items-center">
                      <HeaterThermometer className="w-3.5 h-3.5 mb-0.5" color="text-green-400" isHeating={chamberHeating} />
                      <p className="text-[9px] text-bambu-gray">{t('printers.temperatures.chamber')}</p>
                      <p className="text-[11px] text-white">
                        {Math.round(status.temperatures.chamber || 0)}°C
                      </p>
                    </div>
                  )}
                  {/* Active nozzle indicator for dual-nozzle printers */}
                  {isDualNozzle && (
                    <DualNozzleHoverCard
                      leftSlot={leftNozzleSlot}
                      rightSlot={rightNozzleSlot}
                      activeNozzle={activeNozzle}
                      filamentInfo={filamentInfo}
                    >
                      <div className="text-center px-3 py-1.5 bg-bambu-dark rounded-lg h-full flex flex-col justify-center items-center cursor-default" title={t('printers.activeNozzle', { nozzle: activeNozzle === 'L' ? t('common.left') : t('common.right') })}>
                        <div className="flex items-center gap-2 mb-1">
                          <span className={`text-[11px] font-bold ${activeNozzle === 'L' ? 'text-amber-400' : 'text-gray-500'}`}>
                            L{leftNozzleSlot?.nozzle_diameter ? ` ${leftNozzleSlot.nozzle_diameter}` : ''}
                          </span>
                          <span className="text-[9px] text-bambu-gray/40">·</span>
                          <span className={`text-[11px] font-bold ${activeNozzle === 'R' ? 'text-amber-400' : 'text-gray-500'}`}>
                            R{rightNozzleSlot?.nozzle_diameter ? ` ${rightNozzleSlot.nozzle_diameter}` : ''}
                          </span>
                        </div>
                        <p className="text-[9px] text-bambu-gray">{t('printers.temperatures.nozzle')}</p>
                      </div>
                    </DualNozzleHoverCard>
                  )}
                  {/* H2C nozzle rack (tool-changer dock) — only show when rack nozzles exist (IDs >= 2) */}
                  {status.nozzle_rack && status.nozzle_rack.some(s => s.id >= 2) && (
                    <NozzleRackCard slots={status.nozzle_rack} filamentInfo={filamentInfo} />
                  )}
                </div>
              );
            })()}

            {/* Controls - Fans + Print Buttons */}
            {viewMode === 'expanded' && (() => {
              // Determine print state for control buttons
              const isRunning = status.state === 'RUNNING';
              const isPaused = status.state === 'PAUSE';
              const isPrinting = isRunning || isPaused;
              const isControlBusy = stopPrintMutation.isPending || pausePrintMutation.isPending || resumePrintMutation.isPending || loadExternalMutation.isPending || unloadExternalMutation.isPending;

              // Fan data
              const partFan = status.cooling_fan_speed;
              const auxFan = status.big_fan1_speed;
              const chamberFan = status.big_fan2_speed;

              return (
                <div className="mt-3">
                  {/* Section Header */}
                  <div className="flex items-center gap-2 mb-2">
                    <span className="text-[10px] uppercase tracking-wider text-bambu-gray font-medium">
                      {t('printers.controls')}
                    </span>
                    <div className="flex-1 h-px bg-bambu-dark-tertiary/30" />
                  </div>

                  <div className="flex items-center justify-between gap-2 max-[550px]:items-start">
                    {/* Left: Fan Status - always visible, dynamic coloring */}
                    <div className="flex items-center gap-2 min-w-0 max-[550px]:flex-wrap max-[550px]:items-start max-[550px]:gap-1.5">
                      {/* Part Cooling Fan */}
                      <div
                        className={`flex items-center gap-1 px-1.5 py-1 rounded ${partFan && partFan > 0 ? 'bg-cyan-500/10' : 'bg-bambu-dark'}`}
                        title={t('printers.fans.partCooling')}
                      >
                        <Fan className={`w-3.5 h-3.5 ${partFan && partFan > 0 ? 'text-cyan-400' : 'text-bambu-gray/50'}`} />
                        <span className={`text-[10px] ${partFan && partFan > 0 ? 'text-cyan-400' : 'text-bambu-gray/50'}`}>
                          {partFan ?? 0}%
                        </span>
                      </div>

                      {/* Auxiliary Fan */}
                      <div
                        className={`flex items-center gap-1 px-1.5 py-1 rounded ${auxFan && auxFan > 0 ? 'bg-blue-500/10' : 'bg-bambu-dark'}`}
                        title={t('printers.fans.auxiliary')}
                      >
                        <Wind className={`w-3.5 h-3.5 ${auxFan && auxFan > 0 ? 'text-blue-400' : 'text-bambu-gray/50'}`} />
                        <span className={`text-[10px] ${auxFan && auxFan > 0 ? 'text-blue-400' : 'text-bambu-gray/50'}`}>
                          {auxFan ?? 0}%
                        </span>
                      </div>

                      {/* Chamber Fan */}
                      <div
                        className={`flex items-center gap-1 px-1.5 py-1 rounded ${chamberFan && chamberFan > 0 ? 'bg-green-500/10' : 'bg-bambu-dark'}`}
                        title={t('printers.fans.chamber')}
                      >
                        <AirVent className={`w-3.5 h-3.5 ${chamberFan && chamberFan > 0 ? 'text-green-400' : 'text-bambu-gray/50'}`} />
                        <span className={`text-[10px] ${chamberFan && chamberFan > 0 ? 'text-green-400' : 'text-bambu-gray/50'}`}>
                          {chamberFan ?? 0}%
                        </span>
                      </div>

                      {/* Separator */}
                      <div className="w-px h-5 bg-bambu-gray/30" />

                      {/* Print Speed */}
                      {(() => {
                        const speedLabels: Record<number, string> = { 1: '50%', 2: '100%', 3: '124%', 4: '166%' };
                        const speedPct = speedLabels[status.speed_level] || '100%';
                        return (
                          <div className="relative">
                            <button
                              onClick={() => setShowSpeedMenu(showSpeedMenu === printer.id ? null : printer.id)}
                              disabled={!isPrinting || !hasPermission('printers:control')}
                              className={`flex items-center gap-1 px-1.5 py-1 rounded transition-colors ${
                                isPrinting
                                  ? 'bg-amber-500/10 hover:bg-amber-500/20'
                                  : 'bg-bambu-dark cursor-not-allowed'
                              }`}
                              title={isPrinting ? t('printers.speed.title') : undefined}
                            >
                              <Gauge className={`w-3.5 h-3.5 ${
                                isPrinting ? 'text-amber-400' : 'text-bambu-gray/50'
                              }`} />
                              <span className={`text-[10px] ${
                                isPrinting ? 'text-amber-400' : 'text-bambu-gray/50'
                              }`}>
                                {speedPct}
                              </span>
                            </button>
                            {showSpeedMenu === printer.id && (
                              <>
                                <div className="fixed inset-0 z-40" onClick={() => setShowSpeedMenu(null)} />
                                <div className="absolute bottom-full left-0 mb-1 z-50 bg-bambu-dark-secondary border border-bambu-dark-tertiary rounded-lg shadow-lg py-1 min-w-[130px]">
                                  {([
                                    { mode: 1, label: t('printers.speed.silent') },
                                    { mode: 2, label: t('printers.speed.standard') },
                                    { mode: 3, label: t('printers.speed.sport') },
                                    { mode: 4, label: t('printers.speed.ludicrous') },
                                  ] as const).map(({ mode, label }) => (
                                    <button
                                      key={mode}
                                      onClick={() => {
                                        printSpeedMutation.mutate(mode);
                                        setShowSpeedMenu(null);
                                      }}
                                      className={`w-full text-left px-3 py-1.5 text-xs transition-colors ${
                                        status.speed_level === mode
                                          ? 'text-bambu-green bg-bambu-green/10'
                                          : 'text-white hover:bg-bambu-dark-tertiary'
                                      }`}
                                    >
                                      {label}
                                    </button>
                                  ))}
                                </div>
                              </>
                            )}
                          </div>
                        );
                      })()}

                    </div>

                    {/* Right: Print Control Buttons */}
                    <div className="flex items-center gap-2 flex-shrink-0 max-[550px]:self-start">
                      {/* Stop button */}
                      <button
                        onClick={() => setShowStopConfirm(true)}
                        disabled={!isPrinting || isControlBusy || !hasPermission('printers:control')}
                        className={`
                          flex items-center justify-center gap-1 px-3 py-1.5 rounded-lg text-xs font-medium
                          transition-colors
                          ${isPrinting && hasPermission('printers:control')
                            ? 'bg-red-500/20 text-red-400 hover:bg-red-500/30'
                            : 'bg-bambu-dark text-bambu-gray/50 cursor-not-allowed'
                          }
                        `}
                        title={!hasPermission('printers:control') ? t('printers.permission.noControl') : t('printers.stop')}
                      >
                        <Square className="w-3 h-3" />
                        {t('printers.stop')}
                      </button>

                      {/* Pause/Resume button */}
                      <button
                        onClick={() => isPaused ? setShowResumeConfirm(true) : setShowPauseConfirm(true)}
                        disabled={!isPrinting || isControlBusy || !hasPermission('printers:control')}
                        className={`
                          flex items-center justify-center gap-1 px-3 py-1.5 rounded-lg text-xs font-medium
                          transition-colors
                          ${isPrinting && hasPermission('printers:control')
                            ? isPaused
                              ? 'bg-bambu-green/20 text-bambu-green hover:bg-bambu-green/30'
                              : 'bg-yellow-500/20 text-yellow-400 hover:bg-yellow-500/30'
                            : 'bg-bambu-dark text-bambu-gray/50 cursor-not-allowed'
                          }
                        `}
                        title={!hasPermission('printers:control') ? t('printers.permission.noControl') : (isPaused ? t('printers.resume') : t('printers.pause'))}
                      >
                        {isPaused ? <Play className="w-3 h-3" /> : <Pause className="w-3 h-3" />}
                        {isPaused ? t('printers.resume') : t('printers.pause')}
                      </button>
                    </div>
                  </div>

                  {/* External Filament Buttons - below controls, left-aligned */}
                  <div className="flex items-center gap-2 mt-2">
                    <button
                      onClick={() => { if (!loadExternalMutation.isPending) loadExternalMutation.mutate(); }}
                      disabled={isPrinting || !status.connected || isControlBusy || !hasPermission('printers:control')}
                      className={`
                        flex items-center justify-center gap-1 px-3 py-1.5 rounded-lg text-xs font-medium
                        transition-colors
                        ${!isPrinting && status.connected && hasPermission('printers:control')
                          ? 'bg-cyan-500/20 text-cyan-400 hover:bg-cyan-500/30'
                          : 'bg-bambu-dark text-bambu-gray/50 cursor-not-allowed'
                        }
                      `}
                      title={!hasPermission('printers:control') ? t('printers.permission.noControl') : t('printers.loadExternal')}
                    >
                      {loadExternalMutation.isPending ? <Loader2 className="w-3 h-3 animate-spin" /> : <ArrowDownToLine className="w-3 h-3" />}
                      {t('printers.loadExternal')}
                    </button>

                    <button
                      onClick={() => { if (!unloadExternalMutation.isPending) unloadExternalMutation.mutate(); }}
                      disabled={isPrinting || !status.connected || isControlBusy || !hasPermission('printers:control')}
                      className={`
                        flex items-center justify-center gap-1 px-3 py-1.5 rounded-lg text-xs font-medium
                        transition-colors
                        ${!isPrinting && status.connected && hasPermission('printers:control')
                          ? 'bg-cyan-500/20 text-cyan-400 hover:bg-cyan-500/30'
                          : 'bg-bambu-dark text-bambu-gray/50 cursor-not-allowed'
                        }
                      `}
                      title={!hasPermission('printers:control') ? t('printers.permission.noControl') : t('printers.unloadExternal')}
                    >
                      {unloadExternalMutation.isPending ? <Loader2 className="w-3 h-3 animate-spin" /> : <ArrowUpFromLine className="w-3 h-3" />}
                      {t('printers.unloadExternal')}
                    </button>
                  </div>
                </div>
              );
            })()}

            {/* AMS Units - 2-Column Grid Layout */}
            {(amsData?.length > 0 || status.vt_tray.length > 0) && viewMode === 'expanded' && (() => {
              // Separate regular AMS (4-tray) from HT AMS (1-tray)
              const regularAms = amsData.filter(ams => ams.tray.length > 1);
              const htAms = amsData.filter(ams => ams.tray.length === 1);
              const isDualNozzle = printer.nozzle_count === 2 || status?.temperatures?.nozzle_2 !== undefined;

              return (
                <div className="mt-3">
                  {/* Section Header */}
                  <div className="flex items-center gap-2 mb-2">
                    <span className="text-[10px] uppercase tracking-wider text-bambu-gray font-medium">
                      {t('printers.filaments')}
                    </span>
                    <div className="flex-1 h-px bg-bambu-dark-tertiary/30" />
                  </div>

                  {/* AMS Content */}
                  <div className="space-y-3">
                    {/* Row 1-2: Regular AMS (4-tray) in 2-column grid */}
                    {regularAms.length > 0 && (
                      <div className="grid grid-cols-2 gap-3">
                        {regularAms.map((ams) => {
                        const mappedExtruderId = amsExtruderMap[String(ams.id)];
                        const normalizedId = ams.id >= 128 ? ams.id - 128 : ams.id;
                        const extruderId = mappedExtruderId !== undefined ? mappedExtruderId : normalizedId;
                        const isLeftNozzle = extruderId === 1;
                        const isRightNozzle = extruderId === 0;

                        return (
                          <div key={ams.id} className="p-2.5 bg-bambu-dark rounded-lg border border-bambu-dark-tertiary/30">
                            {/* Header: Label + Stats (no icon) */}
                            <div className="flex items-center justify-between mb-2">
                              <div className="flex items-center gap-1.5">
                                {/* AMS name — hover to see serial, firmware, and edit friendly name */}
                                <AmsNameHoverCard
                                  ams={ams}
                                  printerId={printer.id}
                                  label={getAmsLabel(ams.id, ams.tray.length)}
                                  amsLabels={amsLabels}
                                  canEdit={hasPermission('printers:update')}
                                  onSaved={refetchAmsLabels}
                                >
                                  <span className="text-[10px] text-white font-medium cursor-default select-none">
                                    {amsLabels?.[ams.id] || getAmsLabel(ams.id, ams.tray.length)}
                                  </span>
                                </AmsNameHoverCard>
                                {isDualNozzle && (isLeftNozzle || isRightNozzle) && (
                                  <NozzleBadge side={isLeftNozzle ? 'L' : 'R'} />
                                )}
                              </div>
                              {(ams.humidity != null || ams.temp != null) && (
                                <div className="flex items-center gap-1.5 max-[550px]:flex-col max-[550px]:items-start">
                                  {ams.humidity != null && (
                                    <HumidityIndicator
                                      humidity={ams.humidity}
                                      goodThreshold={amsThresholds?.humidityGood}
                                      fairThreshold={amsThresholds?.humidityFair}
                                      onClick={() => setAmsHistoryModal({
                                        amsId: ams.id,
                                        amsLabel: getAmsLabel(ams.id, ams.tray.length),
                                        mode: 'humidity',
                                      })}
                                      compact
                                    />
                                  )}
                                  {ams.temp != null && (
                                    <TemperatureIndicator
                                      temp={ams.temp}
                                      goodThreshold={amsThresholds?.tempGood}
                                      fairThreshold={amsThresholds?.tempFair}
                                      onClick={() => setAmsHistoryModal({
                                        amsId: ams.id,
                                        amsLabel: getAmsLabel(ams.id, ams.tray.length),
                                        mode: 'temperature',
                                      })}
                                      compact
                                    />
                                  )}
                                  {/* Drying button — only for AMS 2 Pro (n3f) and AMS-HT (n3s) */}
                                  {status.supports_drying && (ams.module_type === 'n3f' || ams.module_type === 'n3s') && hasPermission('printers:control') && (
                                    <button
                                      disabled={!!(ams.dry_sf_reason?.length && ams.dry_time === 0)}
                                      onClick={(e) => {
                                        if (ams.dry_time > 0) {
                                          stopDryingMutation.mutate(ams.id);
                                        } else if (dryingPopoverAmsId === ams.id) {
                                          setDryingPopoverAmsId(null);
                                        } else {
                                          const firstTray = ams.tray.find(t => t.tray_type);
                                          const filType = (firstTray?.tray_type || 'PLA').split(' ')[0].toUpperCase();
                                          const preset = dryingPresets[filType] || dryingPresets['PLA'];
                                          const moduleType = ams.module_type as 'n3f' | 'n3s';
                                          setDryingFilament(filType);
                                          setDryingTemp(preset[moduleType] || preset.n3f);
                                          setDryingDuration(moduleType === 'n3s' ? preset.n3s_hours : preset.n3f_hours);
                                          setDryingRotateTray(false);
                                          setDryingPopoverModuleType(ams.module_type);
                                          setDryingPopoverAmsId(ams.id);
                                          const rect = (e.currentTarget as HTMLElement).getBoundingClientRect();
                                          setDryingPopoverPos({ top: rect.bottom + 4, left: Math.max(8, rect.right - 240) });
                                        }
                                      }}
                                      className={`flex items-center gap-0.5 px-1 py-0.5 rounded text-[9px] transition-colors ${
                                        ams.dry_time > 0
                                          ? 'bg-amber-500/20 text-amber-400'
                                          : ams.dry_sf_reason?.length
                                            ? 'bg-bambu-dark-tertiary/30 text-bambu-gray/50 cursor-not-allowed'
                                            : 'bg-bambu-dark-tertiary/50 text-bambu-gray hover:text-white hover:bg-bambu-dark-tertiary'
                                      }`}
                                      title={ams.dry_time > 0 ? t('printers.drying.stop') : ams.dry_sf_reason?.length ? t('printers.drying.powerRequired') : t('printers.drying.start')}
                                    >
                                      <Flame className="w-3 h-3" />
                                    </button>
                                  )}
                                </div>
                              )}
                            </div>
                            {/* Drying status bar */}
                            {ams.dry_time > 0 && (
                              <div className="flex items-center gap-2 px-2 py-1 mb-1 bg-amber-500/10 border border-amber-500/20 rounded text-[9px]">
                                <Flame className="w-3 h-3 text-amber-400 shrink-0" />
                                <span className="text-amber-400 font-medium">{t('printers.drying.active')}</span>
                                <span className="text-amber-300/70">
                                  {t('printers.drying.timeRemaining', {
                                    time: ams.dry_time >= 60
                                      ? `${Math.floor(ams.dry_time / 60)}h ${ams.dry_time % 60}m`
                                      : `${ams.dry_time}m`
                                  })}
                                </span>
                                <button
                                  onClick={() => stopDryingMutation.mutate(ams.id)}
                                  disabled={stopDryingMutation.isPending}
                                  className="ml-auto text-amber-400 hover:text-amber-300 transition-colors disabled:opacity-50"
                                  title={t('printers.drying.stop')}
                                >
                                  <X className="w-3 h-3" />
                                </button>
                              </div>
                            )}
                            {/* Slots grid: 4 columns - always render 4 slots */}
                            <div className="grid grid-cols-4 gap-1.5">
                              {[0, 1, 2, 3].map((slotIdx) => {
                                // Find tray data for this slot (may be undefined if data incomplete)
                                // Use array index if available, as tray.id may not always be set
                                const tray = ams.tray[slotIdx] || ams.tray.find(t => t.id === slotIdx);
                                const hasFillLevel = tray?.tray_type && tray.remain >= 0;
                                const isEmpty = !tray?.tray_type;
                                // Check if this is the currently loaded tray
                                // Global tray ID = ams.id * 4 + slot index (for standard AMS)
                                const globalTrayId = ams.id * 4 + slotIdx;
                                const isActive = effectiveTrayNow === globalTrayId;
                                // Get cloud preset info if available
                                const cloudInfo = tray?.tray_info_idx ? filamentInfo?.[tray.tray_info_idx] : null;
                                // Get saved slot preset mapping (for user-configured slots)
                                const slotPreset = slotPresets?.[globalTrayId];

                                // Fill level fallback chain: Spoolman → Inventory → AMS remain
                                const trayTag = (tray?.tray_uuid || tray?.tag_uid || getFallbackSpoolTag(printer.serial_number, ams.id, slotIdx))?.toUpperCase();
                                const linkedSpool = trayTag ? linkedSpools?.[trayTag] : undefined;
                                const spoolmanFill = getSpoolmanFillLevel(linkedSpool);
                                const inventoryAssignment = onGetAssignment?.(printer.id, ams.id, slotIdx);
                                const inventoryFill = (() => {
                                  const sp = inventoryAssignment?.spool;
                                  if (sp && sp.label_weight > 0 && sp.weight_used != null) {
                                    return Math.round(Math.max(0, sp.label_weight - sp.weight_used) / sp.label_weight * 100);
                                  }
                                  return null;
                                })();
                                // If inventory says 0% but AMS reports positive remain, prefer AMS
                                // (inventory weight_used may be stale or over-counted — #676)
                                const resolvedInventoryFill = (inventoryFill === 0 && hasFillLevel && tray.remain > 0)
                                  ? null : inventoryFill;
                                const effectiveFill = spoolmanFill ?? resolvedInventoryFill ?? (hasFillLevel ? tray.remain : null);
                                const fillSource = spoolmanFill !== null ? 'spoolman' as const
                                  : resolvedInventoryFill !== null ? 'inventory' as const
                                  : hasFillLevel ? 'ams' as const
                                  : undefined;

                                // Build filament data for hover card
                                const filamentData = tray?.tray_type ? {
                                  vendor: (isBambuLabSpool(tray) ? 'Bambu Lab' : 'Generic') as 'Bambu Lab' | 'Generic',
                                  profile: slotPreset?.preset_name || cloudInfo?.name || inventoryAssignment?.spool?.slicer_filament_name || tray.tray_sub_brands || tray.tray_type,
                                  colorName: getBambuColorName(tray.tray_id_name) || getColorName(tray.tray_color || ''),
                                  colorHex: tray.tray_color || null,
                                  kFactor: formatKValue(tray.k),
                                  fillLevel: effectiveFill,
                                  trayUuid: tray.tray_uuid || null,
                                  tagUid: tray.tag_uid || null,
                                  fillSource,
                                } : null;

                                // Check if this specific slot is being refreshed
                                const isRefreshing = refreshingSlot?.amsId === ams.id &&
                                  refreshingSlot?.slotId === slotIdx;

                                // Slot visual content (goes inside hover card)
                                const slotVisual = (
                                  <div
                                    className={`bg-bambu-dark-tertiary rounded p-1 text-center ${isEmpty ? 'opacity-50' : ''} ${isActive ? 'ring-2 ring-bambu-green ring-offset-1 ring-offset-bambu-dark' : ''}`}
                                  >
                                    {/* Filament color circle with 1-based slot number centered inside */}
                                    <FilamentSlotCircle
                                      trayColor={tray?.tray_color}
                                      trayType={tray?.tray_type}
                                      isEmpty={isEmpty}
                                      slotNumber={slotIdx + 1}
                                    />
                                    <div className="text-[9px] text-white font-bold truncate">
                                      {tray?.tray_type || '—'}
                                    </div>
                                    {/* Fill bar */}
                                    <div className="mt-1 h-1.5 bg-black/30 rounded-full overflow-hidden">
                                      {effectiveFill !== null && effectiveFill >= 0 && !isEmpty && tray && (
                                        <div
                                          className="h-full rounded-full transition-all"
                                          style={{
                                            width: `${effectiveFill}%`,
                                            backgroundColor: getFillBarColor(effectiveFill),
                                          }}
                                        />
                                      )}
                                    </div>
                                  </div>
                                );

                                // Wrapper with menu button, dropdown, and loading overlay (outside hover card)
                                return (
                                  <div key={slotIdx} className="relative group">
                                    {/* Loading overlay during RFID re-read */}
                                    {isRefreshing && (
                                      <div className="absolute inset-0 bg-bambu-dark-tertiary/80 rounded flex items-center justify-center z-20">
                                        <RefreshCw className="w-4 h-4 text-bambu-green animate-spin" />
                                      </div>
                                    )}
                                    {/* Menu button - appears on hover, hidden when printer busy */}
                                    {status?.state !== 'RUNNING' && (
                                      <button
                                        onClick={(e) => {
                                          e.stopPropagation();
                                          setAmsSlotMenu(
                                            amsSlotMenu?.amsId === ams.id && amsSlotMenu?.slotId === slotIdx
                                              ? null
                                              : { amsId: ams.id, slotId: slotIdx }
                                          );
                                        }}
                                        className="absolute -top-1 -right-1 w-4 h-4 bg-bambu-dark-secondary border border-bambu-dark-tertiary rounded-full flex items-center justify-center opacity-0 group-hover:opacity-100 transition-opacity z-10 hover:bg-bambu-dark-tertiary"
                                        title={t('printers.slotOptions')}
                                      >
                                        <MoreVertical className="w-2.5 h-2.5 text-bambu-gray" />
                                      </button>
                                    )}
                                    {/* Dropdown menu */}
                                    {status?.state !== 'RUNNING' && amsSlotMenu?.amsId === ams.id && amsSlotMenu?.slotId === slotIdx && (
                                      <div className="absolute top-full left-0 mt-1 z-50 bg-bambu-dark-secondary border border-bambu-dark-tertiary rounded-lg shadow-xl py-1 min-w-[120px]">
                                        <button
                                          className={`w-full px-3 py-1.5 text-left text-xs flex items-center gap-2 ${
                                            hasPermission('printers:ams_rfid')
                                              ? 'text-white hover:bg-bambu-dark-tertiary'
                                              : 'text-bambu-gray/50 cursor-not-allowed'
                                          }`}
                                          onClick={(e) => {
                                            e.stopPropagation();
                                            if (!hasPermission('printers:ams_rfid')) return;
                                            refreshAmsSlotMutation.mutate({ amsId: ams.id, slotId: slotIdx });
                                            setAmsSlotMenu(null);
                                          }}
                                          disabled={isRefreshing || !hasPermission('printers:ams_rfid')}
                                          title={!hasPermission('printers:ams_rfid') ? t('printers.permission.noAmsRfid') : undefined}
                                        >
                                          <RefreshCw className={`w-3 h-3 ${isRefreshing ? 'animate-spin' : ''}`} />
                                          {t('printers.rfid.reread')}
                                        </button>
                                      </div>
                                    )}
                                    {/* Hover card wraps only the visual content */}
                                    {filamentData ? (
                                      <FilamentHoverCard
                                        data={filamentData}
                                        spoolman={{
                                          enabled: spoolmanEnabled,
                                          linkedSpoolId: trayTag
                                            ? linkedSpools?.[trayTag]?.id
                                            : undefined,
                                          spoolmanUrl,
                                          syncMode: spoolmanSyncMode,
                                          onLinkSpool: spoolmanEnabled ? () => {
                                            const linkTag = (filamentData.trayUuid || filamentData.tagUid || getFallbackSpoolTag(printer.serial_number, ams.id, slotIdx)).toUpperCase();
                                            setLinkSpoolModal({
                                              tagUid: filamentData.tagUid || linkTag,
                                              trayUuid: filamentData.trayUuid || '',
                                              printerId: printer.id,
                                              amsId: ams.id,
                                              trayId: slotIdx,
                                            });
                                          } : undefined,
                                          onUnlinkSpool: linkedSpool?.id ? () => unlinkSpoolMutation.mutate(linkedSpool.id) : undefined,
                                        }}
                                        inventory={spoolmanEnabled ? undefined : (() => {
                                          const assignment = onGetAssignment?.(printer.id, ams.id, slotIdx);
                                          return {
                                            assignedSpool: assignment?.spool ? {
                                              id: assignment.spool.id,
                                              material: assignment.spool.material,
                                              brand: assignment.spool.brand,
                                              color_name: assignment.spool.color_name,
                                              remainingWeightGrams: Math.max(0, Math.round(assignment.spool.label_weight - assignment.spool.weight_used)),
                                            } : null,
                                            onAssignSpool: filamentData.vendor !== 'Bambu Lab' ? () => setAssignSpoolModal({
                                              printerId: printer.id,
                                              amsId: ams.id,
                                              trayId: slotIdx,
                                              trayInfo: {
                                                type: tray?.tray_type || filamentData.profile,
                                                material: tray?.tray_type ?? undefined,
                                                profile: filamentData.profile,
                                                color: filamentData.colorHex || '',
                                                location: `${getAmsLabel(ams.id, ams.tray.length)} Slot ${slotIdx + 1}`,
                                              },
                                            }) : undefined,
                                            onUnassignSpool: assignment && filamentData.vendor !== 'Bambu Lab' ? () => onUnassignSpool?.(printer.id, ams.id, slotIdx) : undefined,
                                          };
                                        })()}
                                        configureSlot={{
                                          enabled: hasPermission('printers:control'),
                                          onConfigure: () => setConfigureSlotModal({
                                            amsId: ams.id,
                                            trayId: slotIdx,
                                            trayCount: ams.tray.length,
                                            trayType: tray?.tray_type || undefined,
                                            trayColor: tray?.tray_color || undefined,
                                            traySubBrands: tray?.tray_sub_brands || undefined,
                                            trayInfoIdx: tray?.tray_info_idx || undefined,
                                            extruderId: mappedExtruderId,
                                            caliIdx: tray?.cali_idx,
                                            savedPresetId: slotPreset?.preset_id,
                                          }),
                                        }}
                                      >
                                        {slotVisual}
                                      </FilamentHoverCard>
                                    ) : (
                                      <EmptySlotHoverCard
                                        configureSlot={tray?.state === 10 ? {
                                          enabled: hasPermission('printers:control'),
                                          onConfigure: () => setConfigureSlotModal({
                                            amsId: ams.id,
                                            trayId: slotIdx,
                                            trayCount: ams.tray.length,
                                            extruderId: mappedExtruderId,
                                          }),
                                        } : undefined}
                                        inventory={tray?.state === 10 && !spoolmanEnabled ? {
                                          onAssignSpool: () => setAssignSpoolModal({
                                            printerId: printer.id,
                                            amsId: ams.id,
                                            trayId: slotIdx,
                                            trayInfo: {
                                              type: '',
                                              color: '',
                                              location: `${getAmsLabel(ams.id, ams.tray.length)} Slot ${slotIdx + 1}`,
                                            },
                                          }),
                                        } : undefined}
                                      >
                                        {slotVisual}
                                      </EmptySlotHoverCard>
                                    )}
                                  </div>
                                );
                              })}
                            </div>
                          </div>
                        );
                      })}
                    </div>
                  )}

                    {/* Row 3: HT AMS + External spools (same style as regular AMS, 4 across) */}
                    {(htAms.length > 0 || status.vt_tray.length > 0) && (
                      <div className="grid grid-cols-4 gap-3">
                      {/* HT AMS units - name/badge top, slot left, stats right */}
                      {htAms.map((ams) => {
                        const mappedExtruderId = amsExtruderMap[String(ams.id)];
                        const normalizedId = ams.id >= 128 ? ams.id - 128 : ams.id;
                        const extruderId = mappedExtruderId !== undefined ? mappedExtruderId : normalizedId;
                        const isLeftNozzle = extruderId === 1;
                        const isRightNozzle = extruderId === 0;
                        const tray = ams.tray[0];
                        const hasFillLevel = tray?.tray_type && tray.remain >= 0;
                        const isEmpty = !tray?.tray_type;
                        // Check if this is the currently loaded tray
                        const globalTrayId = getGlobalTrayId(ams.id, tray?.id ?? 0, false);
                        const isActive = effectiveTrayNow === globalTrayId;
                        // Get cloud preset info if available
                        const cloudInfo = tray?.tray_info_idx ? filamentInfo?.[tray.tray_info_idx] : null;
                        // Get saved slot preset mapping (for user-configured slots)
                        const slotPreset = slotPresets?.[globalTrayId];
                        const htSlotId = tray?.id ?? 0;

                        // Fill level fallback chain: Spoolman → Inventory → AMS remain
                        const htTrayTag = (tray?.tray_uuid || tray?.tag_uid || getFallbackSpoolTag(printer.serial_number, ams.id, htSlotId))?.toUpperCase();
                        const htLinkedSpool = htTrayTag ? linkedSpools?.[htTrayTag] : undefined;
                        const htSpoolmanFill = getSpoolmanFillLevel(htLinkedSpool);
                        const htInventoryAssignment = onGetAssignment?.(printer.id, ams.id, htSlotId);
                        const htInventoryFill = (() => {
                          const sp = htInventoryAssignment?.spool;
                          if (sp && sp.label_weight > 0 && sp.weight_used != null) {
                            return Math.round(Math.max(0, sp.label_weight - sp.weight_used) / sp.label_weight * 100);
                          }
                          return null;
                        })();
                        // If inventory says 0% but AMS reports positive remain, prefer AMS (#676)
                        const htResolvedInventoryFill = (htInventoryFill === 0 && hasFillLevel && tray.remain > 0)
                          ? null : htInventoryFill;
                        const htEffectiveFill = htSpoolmanFill ?? htResolvedInventoryFill ?? (hasFillLevel ? tray.remain : null);
                        const htFillSource = htSpoolmanFill !== null ? 'spoolman' as const
                          : htResolvedInventoryFill !== null ? 'inventory' as const
                          : hasFillLevel ? 'ams' as const
                          : undefined;

                        // Build filament data for hover card
                        const filamentData = tray?.tray_type ? {
                          vendor: (isBambuLabSpool(tray) ? 'Bambu Lab' : 'Generic') as 'Bambu Lab' | 'Generic',
                          profile: slotPreset?.preset_name || cloudInfo?.name || htInventoryAssignment?.spool?.slicer_filament_name || tray.tray_sub_brands || tray.tray_type,
                          colorName: getBambuColorName(tray.tray_id_name) || getColorName(tray.tray_color || ''),
                          colorHex: tray.tray_color || null,
                          kFactor: formatKValue(tray.k),
                          fillLevel: htEffectiveFill,
                          trayUuid: tray.tray_uuid || null,
                          tagUid: tray.tag_uid || null,
                          fillSource: htFillSource,
                        } : null;

                        // Check if this specific slot is being refreshed
                        const isHtRefreshing = refreshingSlot?.amsId === ams.id &&
                          refreshingSlot?.slotId === htSlotId;

                        // Slot visual content (goes inside hover card)
                        const slotVisual = (
                          <div
                            className={`bg-bambu-dark-tertiary rounded p-1 text-center ${isEmpty ? 'opacity-50' : ''} ${isActive ? 'ring-2 ring-bambu-green ring-offset-1 ring-offset-bambu-dark' : ''}`}
                          >
                            {/* Filament color circle with 1-based slot number centered inside */}
                            <FilamentSlotCircle
                              trayColor={tray?.tray_color}
                              trayType={tray?.tray_type}
                              isEmpty={isEmpty}
                              slotNumber={1}
                            />
                            <div className="text-[9px] text-white font-bold truncate">
                              {tray?.tray_type || '—'}
                            </div>
                            {/* Fill bar */}
                            <div className="mt-1 h-1.5 bg-black/30 rounded-full overflow-hidden">
                              {htEffectiveFill !== null && htEffectiveFill >= 0 && !isEmpty && (
                                <div
                                  className="h-full rounded-full transition-all"
                                  style={{
                                    width: `${htEffectiveFill}%`,
                                    backgroundColor: getFillBarColor(htEffectiveFill),
                                  }}
                                />
                              )}
                            </div>
                          </div>
                        );

                        return (
                          <div key={ams.id} className="p-2.5 bg-bambu-dark rounded-lg border border-bambu-dark-tertiary/30">
                            {/* Row 1: Label + Nozzle + Drying */}
                            <div className="flex items-center gap-1 mb-2">
                              {/* AMS name — hover to see serial, firmware, and edit friendly name */}
                              <AmsNameHoverCard
                                ams={ams}
                                printerId={printer.id}
                                label={getAmsLabel(ams.id, ams.tray.length)}
                                amsLabels={amsLabels}
                                canEdit={hasPermission('printers:update')}
                                onSaved={refetchAmsLabels}
                              >
                                <span className="text-[10px] text-white font-medium cursor-default select-none">
                                  {amsLabels?.[ams.id] || getAmsLabel(ams.id, ams.tray.length)}
                                </span>
                              </AmsNameHoverCard>
                              {isDualNozzle && (isLeftNozzle || isRightNozzle) && (
                                <NozzleBadge side={isLeftNozzle ? 'L' : 'R'} />
                              )}
                              {/* Drying button for HT AMS */}
                              {status.supports_drying && (ams.module_type === 'n3f' || ams.module_type === 'n3s') && hasPermission('printers:control') && (
                                <div className="relative ml-auto">
                                  <button
                                    onClick={(e) => {
                                      if (ams.dry_time > 0) {
                                        stopDryingMutation.mutate(ams.id);
                                      } else if (dryingPopoverAmsId === ams.id) {
                                        setDryingPopoverAmsId(null);
                                      } else {
                                        const firstTray = ams.tray.find(t => t.tray_type);
                                        const filType = (firstTray?.tray_type || 'PLA').split(' ')[0].toUpperCase();
                                        const preset = dryingPresets[filType] || dryingPresets['PLA'];
                                        const moduleType = ams.module_type as 'n3f' | 'n3s';
                                        setDryingFilament(filType);
                                        setDryingTemp(preset[moduleType] || preset.n3f);
                                        setDryingDuration(moduleType === 'n3s' ? preset.n3s_hours : preset.n3f_hours);
                                        setDryingRotateTray(false);
                                        setDryingPopoverModuleType(ams.module_type);
                                        setDryingPopoverAmsId(ams.id);
                                        const rect = (e.currentTarget as HTMLElement).getBoundingClientRect();
                                        setDryingPopoverPos({ top: rect.bottom + 4, left: Math.max(8, rect.right - 240) });
                                      }
                                    }}
                                    className={`flex items-center gap-0.5 px-1 py-0.5 rounded text-[9px] transition-colors ${
                                      ams.dry_time > 0
                                        ? 'bg-amber-500/20 text-amber-400'
                                        : 'bg-bambu-dark-tertiary/50 text-bambu-gray hover:text-white hover:bg-bambu-dark-tertiary'
                                    }`}
                                    title={ams.dry_time > 0 ? t('printers.drying.stop') : t('printers.drying.start')}
                                  >
                                    <Flame className="w-3 h-3" />
                                  </button>
                                </div>
                              )}
                            </div>
                            {/* HT AMS drying status bar */}
                            {ams.dry_time > 0 && (
                              <div className="flex items-center gap-1.5 px-2 py-1 mb-1 bg-amber-500/10 border border-amber-500/20 rounded text-[9px] whitespace-nowrap overflow-hidden">
                                <Flame className="w-3 h-3 text-amber-400 shrink-0" />
                                <span className="text-amber-300/70 text-[8px] truncate">
                                  {ams.dry_time >= 60
                                    ? `${Math.floor(ams.dry_time / 60)}h ${ams.dry_time % 60}m`
                                    : `${ams.dry_time}m`}
                                </span>
                                <button
                                  onClick={() => stopDryingMutation.mutate(ams.id)}
                                  disabled={stopDryingMutation.isPending}
                                  className="ml-auto text-amber-400 hover:text-amber-300 transition-colors disabled:opacity-50 shrink-0"
                                  title={t('printers.drying.stop')}
                                >
                                  <X className="w-3 h-3" />
                                </button>
                              </div>
                            )}
                            {/* Row 2: Slot (left) + Stats (right stacked) */}
                            <div className="flex gap-1.5 max-[550px]:flex-col max-[550px]:items-start">
                              {/* Slot wrapper with menu button, dropdown, and loading overlay */}
                              <div className="relative group flex-1 max-[550px]:w-full">
                                {/* Loading overlay during RFID re-read */}
                                {isHtRefreshing && (
                                  <div className="absolute inset-0 bg-bambu-dark-tertiary/80 rounded flex items-center justify-center z-20">
                                    <RefreshCw className="w-4 h-4 text-bambu-green animate-spin" />
                                  </div>
                                )}
                                {/* Menu button - appears on hover, hidden when printer busy */}
                                {status?.state !== 'RUNNING' && (
                                  <button
                                    onClick={(e) => {
                                      e.stopPropagation();
                                      setAmsSlotMenu(
                                        amsSlotMenu?.amsId === ams.id && amsSlotMenu?.slotId === htSlotId
                                          ? null
                                          : { amsId: ams.id, slotId: htSlotId }
                                      );
                                    }}
                                    className="absolute -top-1 -right-1 w-4 h-4 bg-bambu-dark-secondary border border-bambu-dark-tertiary rounded-full flex items-center justify-center opacity-0 group-hover:opacity-100 transition-opacity z-10 hover:bg-bambu-dark-tertiary"
                                    title={t('printers.slotOptions')}
                                  >
                                    <MoreVertical className="w-2.5 h-2.5 text-bambu-gray" />
                                  </button>
                                )}
                                {/* Dropdown menu */}
                                {status?.state !== 'RUNNING' && amsSlotMenu?.amsId === ams.id && amsSlotMenu?.slotId === htSlotId && (
                                  <div className="absolute top-full left-0 mt-1 z-50 bg-bambu-dark-secondary border border-bambu-dark-tertiary rounded-lg shadow-xl py-1 min-w-[120px]">
                                    <button
                                      className={`w-full px-3 py-1.5 text-left text-xs flex items-center gap-2 ${
                                        hasPermission('printers:ams_rfid')
                                          ? 'text-white hover:bg-bambu-dark-tertiary'
                                          : 'text-bambu-gray/50 cursor-not-allowed'
                                      }`}
                                      onClick={(e) => {
                                        e.stopPropagation();
                                        if (!hasPermission('printers:ams_rfid')) return;
                                        refreshAmsSlotMutation.mutate({ amsId: ams.id, slotId: htSlotId });
                                        setAmsSlotMenu(null);
                                      }}
                                      disabled={isHtRefreshing || !hasPermission('printers:ams_rfid')}
                                      title={!hasPermission('printers:ams_rfid') ? t('printers.permission.noAmsRfid') : undefined}
                                    >
                                      <RefreshCw className={`w-3 h-3 ${isHtRefreshing ? 'animate-spin' : ''}`} />
                                      {t('printers.rfid.reread')}
                                    </button>
                                  </div>
                                )}
                                {/* Hover card wraps only the visual content */}
                                {filamentData ? (
                                  <FilamentHoverCard
                                    data={filamentData}
                                    spoolman={{
                                      enabled: spoolmanEnabled,
                                      linkedSpoolId: htTrayTag
                                        ? linkedSpools?.[htTrayTag]?.id
                                        : undefined,
                                      spoolmanUrl,
                                      syncMode: spoolmanSyncMode,
                                      onLinkSpool: spoolmanEnabled ? () => {
                                        const linkTag = (filamentData.trayUuid || filamentData.tagUid || getFallbackSpoolTag(printer.serial_number, ams.id, htSlotId)).toUpperCase();
                                        setLinkSpoolModal({
                                          tagUid: filamentData.tagUid || linkTag,
                                          trayUuid: filamentData.trayUuid || '',
                                          printerId: printer.id,
                                          amsId: ams.id,
                                          trayId: htSlotId,
                                        });
                                      } : undefined,
                                      onUnlinkSpool: htLinkedSpool?.id ? () => unlinkSpoolMutation.mutate(htLinkedSpool.id) : undefined,
                                    }}
                                    inventory={spoolmanEnabled ? undefined : (() => {
                                      const assignment = onGetAssignment?.(printer.id, ams.id, htSlotId);
                                      return {
                                        assignedSpool: assignment?.spool ? {
                                          id: assignment.spool.id,
                                          material: assignment.spool.material,
                                          brand: assignment.spool.brand,
                                          color_name: assignment.spool.color_name,
                                          remainingWeightGrams: Math.max(0, Math.round(assignment.spool.label_weight - assignment.spool.weight_used)),
                                        } : null,
                                        onAssignSpool: filamentData.vendor !== 'Bambu Lab' ? () => setAssignSpoolModal({
                                          printerId: printer.id,
                                          amsId: ams.id,
                                          trayId: htSlotId,
                                          trayInfo: {
                                            type: tray?.tray_type || filamentData.profile,
                                            material: tray?.tray_type ?? undefined,
                                            profile: filamentData.profile,
                                            color: filamentData.colorHex || '',
                                            location: getAmsLabel(ams.id, ams.tray.length),
                                          },
                                        }) : undefined,
                                        onUnassignSpool: assignment && filamentData.vendor !== 'Bambu Lab' ? () => onUnassignSpool?.(printer.id, ams.id, htSlotId) : undefined,
                                      };
                                    })()}
                                    configureSlot={{
                                      enabled: hasPermission('printers:control'),
                                      onConfigure: () => setConfigureSlotModal({
                                        amsId: ams.id,
                                        trayId: htSlotId,
                                        trayCount: ams.tray.length,
                                        trayType: tray?.tray_type || undefined,
                                        trayColor: tray?.tray_color || undefined,
                                        traySubBrands: tray?.tray_sub_brands || undefined,
                                        trayInfoIdx: tray?.tray_info_idx || undefined,
                                        extruderId: mappedExtruderId,
                                        caliIdx: tray?.cali_idx,
                                        savedPresetId: slotPreset?.preset_id,
                                      }),
                                    }}
                                  >
                                    {slotVisual}
                                  </FilamentHoverCard>
                                ) : (
                                  <EmptySlotHoverCard
                                    configureSlot={tray?.state === 10 ? {
                                      enabled: hasPermission('printers:control'),
                                      onConfigure: () => setConfigureSlotModal({
                                        amsId: ams.id,
                                        trayId: htSlotId,
                                        trayCount: ams.tray.length,
                                        extruderId: mappedExtruderId,
                                      }),
                                    } : undefined}
                                    inventory={tray?.state === 10 && !spoolmanEnabled ? {
                                      onAssignSpool: () => setAssignSpoolModal({
                                        printerId: printer.id,
                                        amsId: ams.id,
                                        trayId: htSlotId,
                                        trayInfo: {
                                          type: '',
                                          color: '',
                                          location: getAmsLabel(ams.id, ams.tray.length),
                                        },
                                      }),
                                    } : undefined}
                                  >
                                    {slotVisual}
                                  </EmptySlotHoverCard>
                                )}
                              </div>
                              {/* Stats stacked vertically: Temp on top, Humidity below */}
                              {(ams.humidity != null || ams.temp != null) && (
                                <div className="flex flex-col justify-center gap-1 shrink-0 max-[550px]:w-full">
                                  {ams.temp != null && (
                                    <TemperatureIndicator
                                      temp={ams.temp}
                                      goodThreshold={amsThresholds?.tempGood}
                                      fairThreshold={amsThresholds?.tempFair}
                                      onClick={() => setAmsHistoryModal({
                                        amsId: ams.id,
                                        amsLabel: getAmsLabel(ams.id, ams.tray.length),
                                        mode: 'temperature',
                                      })}
                                      compact
                                    />
                                  )}
                                  {ams.humidity != null && (
                                    <HumidityIndicator
                                      humidity={ams.humidity}
                                      goodThreshold={amsThresholds?.humidityGood}
                                      fairThreshold={amsThresholds?.humidityFair}
                                      onClick={() => setAmsHistoryModal({
                                        amsId: ams.id,
                                        amsLabel: getAmsLabel(ams.id, ams.tray.length),
                                        mode: 'humidity',
                                      })}
                                      compact
                                    />
                                  )}
                                </div>
                              )}
                            </div>
                          </div>
                        );
                      })}
                      {/* External spool(s) - grouped in one card like regular AMS */}
                      {status.vt_tray.length > 0 && (
                        <div className={`p-2.5 bg-bambu-dark rounded-lg border border-bambu-dark-tertiary/30 ${status.vt_tray.length === 1 ? 'max-w-[50%]' : ''}`}>
                          <div className="flex items-center gap-1 mb-2">
                            <span className="text-[10px] text-white font-medium">{t('printers.external')}</span>
                          </div>
                          <div className={`grid ${status.vt_tray.length > 1 ? 'grid-cols-2' : 'grid-cols-1'} gap-1.5`}>
                            {[...status.vt_tray].sort((a, b) => (a.id ?? 254) - (b.id ?? 254)).map((extTray) => {
                              const extTrayId = extTray.id ?? 254;
                              // On dual-nozzle (H2C/H2D), tray_now=254 means "external spool"
                              // generically — use active_extruder to determine L vs R:
                              // extruder 1=left → Ext-L (id=254), extruder 0=right → Ext-R (id=255)
                              const isExtActive = isDualNozzle && effectiveTrayNow === 254
                                ? (extTrayId === 254 && status.active_extruder === 1) ||
                                  (extTrayId === 255 && status.active_extruder === 0)
                                : effectiveTrayNow === extTrayId;
                              const slotTrayId = extTrayId - 254; // 0 or 1
                              const extLabel = isDualNozzle
                                ? (extTrayId === 254 ? t('printers.extL') : t('printers.extR'))
                                : '';
                              const extCloudInfo = extTray.tray_info_idx ? filamentInfo?.[extTray.tray_info_idx] : null;
                              const extSlotPreset = slotPresets?.[255 * 4 + slotTrayId];

                              const extTrayTag = (extTray.tray_uuid || extTray.tag_uid || getFallbackSpoolTag(printer.serial_number, 255, slotTrayId))?.toUpperCase();
                              const extLinkedSpool = extTrayTag ? linkedSpools?.[extTrayTag] : undefined;
                              const extSpoolmanFill = getSpoolmanFillLevel(extLinkedSpool);
                              const extInventoryAssignment = onGetAssignment?.(printer.id, 255, slotTrayId);
                              const extInventoryFill = (() => {
                                const sp = extInventoryAssignment?.spool;
                                if (sp && sp.label_weight > 0 && sp.weight_used != null) {
                                  return Math.round(Math.max(0, sp.label_weight - sp.weight_used) / sp.label_weight * 100);
                                }
                                return null;
                              })();
                              const extHasFillLevel = extTray.tray_type && extTray.remain >= 0;
                              // If inventory says 0% but AMS reports positive remain, prefer AMS (#676)
                              const extResolvedInventoryFill = (extInventoryFill === 0 && extHasFillLevel && extTray.remain > 0)
                                ? null : extInventoryFill;
                              const extEffectiveFill = extSpoolmanFill ?? extResolvedInventoryFill ?? (extHasFillLevel ? extTray.remain : null);
                              const extFillSource = extSpoolmanFill !== null ? 'spoolman' as const
                                : extResolvedInventoryFill !== null ? 'inventory' as const
                                : extHasFillLevel ? 'ams' as const
                                : undefined;

                              const extFilamentData = {
                                vendor: (isBambuLabSpool(extTray) ? 'Bambu Lab' : 'Generic') as 'Bambu Lab' | 'Generic',
                                profile: extSlotPreset?.preset_name || extCloudInfo?.name || extInventoryAssignment?.spool?.slicer_filament_name || extTray.tray_sub_brands || extTray.tray_type || 'Unknown',
                                colorName: getBambuColorName(extTray.tray_id_name) || getColorName(extTray.tray_color || ''),
                                colorHex: extTray.tray_color || null,
                                kFactor: formatKValue(extTray.k),
                                fillLevel: extEffectiveFill,
                                trayUuid: extTray.tray_uuid || null,
                                tagUid: extTray.tag_uid || null,
                                fillSource: extFillSource,
                              };

                              const isEmpty = !extTray.tray_type;
                              const extSlotContent = (
                                <div className={`bg-bambu-dark-tertiary rounded p-1 text-center ${isEmpty ? 'opacity-50' : ''} ${isExtActive ? 'ring-2 ring-bambu-green ring-offset-1 ring-offset-bambu-dark' : ''}`}>
                                  {/* Filament color circle with 1-based slot number centered inside */}
                                  <FilamentSlotCircle
                                    trayColor={extTray.tray_color}
                                    trayType={extTray.tray_type}
                                    isEmpty={isEmpty}
                                    slotNumber={slotTrayId + 1}
                                  />
                                  <div className={`text-[9px] font-bold truncate ${isEmpty ? 'text-white/40' : 'text-white'}`}>
                                    {extTray.tray_type || '—'}
                                  </div>
                                  <div className="mt-1 h-1.5 bg-black/30 rounded-full overflow-hidden">
                                    {extEffectiveFill !== null && extEffectiveFill >= 0 && !isEmpty && (
                                      <div
                                        className="h-full rounded-full transition-all"
                                        style={{
                                          width: `${extEffectiveFill}%`,
                                          backgroundColor: getFillBarColor(extEffectiveFill),
                                        }}
                                      />
                                    )}
                                  </div>
                                  {extLabel && <div className="text-[7px] text-white/40 mt-0.5 truncate">{extLabel}</div>}
                                </div>
                              );

                              return (
                                <div key={extTrayId} className="relative group">
                                  {!isEmpty ? (
                                    <FilamentHoverCard
                                      data={extFilamentData}
                                      spoolman={{
                                        enabled: spoolmanEnabled,
                                        linkedSpoolId: extTrayTag
                                          ? linkedSpools?.[extTrayTag]?.id
                                          : undefined,
                                        spoolmanUrl,
                                        syncMode: spoolmanSyncMode,
                                        onLinkSpool: spoolmanEnabled ? () => {
                                          const linkTag = (extFilamentData.trayUuid || extFilamentData.tagUid || getFallbackSpoolTag(printer.serial_number, 255, slotTrayId)).toUpperCase();
                                          setLinkSpoolModal({
                                            tagUid: extFilamentData.tagUid || linkTag,
                                            trayUuid: extFilamentData.trayUuid || '',
                                            printerId: printer.id,
                                            amsId: 255,
                                            trayId: slotTrayId,
                                          });
                                        } : undefined,
                                        onUnlinkSpool: extLinkedSpool?.id ? () => unlinkSpoolMutation.mutate(extLinkedSpool.id) : undefined,
                                      }}
                                      inventory={spoolmanEnabled ? undefined : (() => {
                                        const assignment = onGetAssignment?.(printer.id, 255, slotTrayId);
                                        return {
                                          assignedSpool: assignment?.spool ? {
                                            id: assignment.spool.id,
                                            material: assignment.spool.material,
                                            brand: assignment.spool.brand,
                                            color_name: assignment.spool.color_name,
                                            remainingWeightGrams: Math.max(0, Math.round(assignment.spool.label_weight - assignment.spool.weight_used)),
                                          } : null,
                                          onAssignSpool: () => setAssignSpoolModal({
                                            printerId: printer.id,
                                            amsId: 255,
                                            trayId: slotTrayId,
                                            trayInfo: {
                                              type: extTray.tray_type || extFilamentData.profile,
                                              material: extTray.tray_type ?? undefined,
                                              profile: extFilamentData.profile,
                                              color: extFilamentData.colorHex || '',
                                              location: extLabel || t('printers.external'),
                                            },
                                          }),
                                          onUnassignSpool: assignment ? () => onUnassignSpool?.(printer.id, 255, slotTrayId) : undefined,
                                        };
                                      })()}
                                      configureSlot={{
                                        enabled: hasPermission('printers:control'),
                                        onConfigure: () => setConfigureSlotModal({
                                          amsId: 255,
                                          trayId: slotTrayId,
                                          trayCount: 1,
                                          trayType: extTray.tray_type || undefined,
                                          trayColor: extTray.tray_color || undefined,
                                          traySubBrands: extTray.tray_sub_brands || undefined,
                                          trayInfoIdx: extTray.tray_info_idx || undefined,
                                          extruderId: isDualNozzle ? (extTrayId === 254 ? 1 : 0) : undefined,
                                          caliIdx: extTray.cali_idx,
                                          savedPresetId: extSlotPreset?.preset_id,
                                        }),
                                      }}
                                    >
                                      {extSlotContent}
                                    </FilamentHoverCard>
                                  ) : (
                                    <EmptySlotHoverCard
                                      configureSlot={{
                                        enabled: hasPermission('printers:control'),
                                        onConfigure: () => setConfigureSlotModal({
                                          amsId: 255,
                                          trayId: slotTrayId,
                                          trayCount: 1,
                                          extruderId: isDualNozzle ? (extTrayId === 254 ? 1 : 0) : undefined,
                                        }),
                                      }}
                                      inventory={spoolmanEnabled ? undefined : {
                                        onAssignSpool: () => setAssignSpoolModal({
                                          printerId: printer.id,
                                          amsId: 255,
                                          trayId: slotTrayId,
                                          trayInfo: {
                                            type: '',
                                            color: '',
                                            location: extLabel || t('printers.external'),
                                          },
                                        }),
                                      }}
                                    >
                                      {extSlotContent}
                                    </EmptySlotHoverCard>
                                  )}
                                </div>
                              );
                            })}
                          </div>
                        </div>
                      )}
                      </div>
                    )}
                  </div>
                </div>
              );
            })()}
          </>
        )}

        {/* Smart Plug Controls - hidden in compact mode */}
        {smartPlug && viewMode === 'expanded' && (
          <div className="mt-4 pt-4 border-t border-bambu-dark-tertiary">
            <div className="flex items-center gap-3">
              {/* Plug name and status */}
              <div className="flex items-center gap-2 min-w-0">
                <Zap className="w-4 h-4 text-bambu-gray flex-shrink-0" />
                <span className="text-sm text-white truncate">{smartPlug.name}</span>
                {plugStatus && (
                  <span
                    className={`text-xs px-1.5 py-0.5 rounded flex-shrink-0 ${
                      plugStatus.state === 'ON'
                        ? 'bg-bambu-green/20 text-bambu-green'
                        : plugStatus.state === 'OFF'
                        ? 'bg-red-500/20 text-red-400'
                        : 'bg-bambu-gray/20 text-bambu-gray'
                    }`}
                  >
                    {plugStatus.state || '?'}
                    {plugStatus.state === 'ON' && plugStatus.energy?.power != null && (
                      <span className="text-yellow-400 ml-1.5">· {plugStatus.energy.power}W</span>
                    )}
                  </span>
                )}
              </div>

              {/* Spacer */}
              <div className="flex-1" />

              {/* Power buttons */}
              <div className="flex items-center gap-1">
                <button
                  onClick={() => setShowPowerOnConfirm(true)}
                  disabled={powerControlMutation.isPending || plugStatus?.state === 'ON' || !hasPermission('smart_plugs:control')}
                  className={`px-2 py-1 text-xs rounded transition-colors flex items-center gap-1 ${
                    !hasPermission('smart_plugs:control')
                      ? 'bg-bambu-dark text-bambu-gray/50 cursor-not-allowed'
                      : plugStatus?.state === 'ON'
                        ? 'bg-bambu-green text-white'
                        : 'bg-bambu-dark text-bambu-gray hover:text-white hover:bg-bambu-dark-tertiary'
                  }`}
                  title={!hasPermission('smart_plugs:control') ? t('printers.permission.noSmartPlugControl') : undefined}
                >
                  <Power className="w-3 h-3" />
                  On
                </button>
                <button
                  onClick={() => setShowPowerOffConfirm(true)}
                  disabled={powerControlMutation.isPending || plugStatus?.state === 'OFF' || !hasPermission('smart_plugs:control')}
                  className={`px-2 py-1 text-xs rounded transition-colors flex items-center gap-1 ${
                    !hasPermission('smart_plugs:control')
                      ? 'bg-bambu-dark text-bambu-gray/50 cursor-not-allowed'
                      : plugStatus?.state === 'OFF'
                        ? 'bg-red-500/30 text-red-400'
                        : 'bg-bambu-dark text-bambu-gray hover:text-white hover:bg-bambu-dark-tertiary'
                  }`}
                  title={!hasPermission('smart_plugs:control') ? t('printers.permission.noSmartPlugControl') : undefined}
                >
                  <PowerOff className="w-3 h-3" />
                  Off
                </button>
              </div>

              {/* Auto-off toggle */}
              <div className="flex items-center gap-2 flex-shrink-0">
                <span className={`text-xs hidden sm:inline ${smartPlug.auto_off_executed ? 'text-bambu-green' : 'text-bambu-gray'}`}>
                  {smartPlug.auto_off_executed ? 'Auto-off done' : 'Auto-off'}
                </span>
                <button
                  onClick={() => toggleAutoOffMutation.mutate(!smartPlug.auto_off)}
                  disabled={toggleAutoOffMutation.isPending || smartPlug.auto_off_executed || !hasPermission('smart_plugs:control')}
                  title={!hasPermission('smart_plugs:control') ? t('printers.permission.noSmartPlugControl') : (smartPlug.auto_off_executed ? t('printers.autoOffExecuted') : t('printers.autoOffAfterPrint'))}
                  className={`relative w-9 h-5 rounded-full transition-colors flex-shrink-0 ${
                    !hasPermission('smart_plugs:control')
                      ? 'bg-bambu-dark-tertiary/50 cursor-not-allowed'
                      : smartPlug.auto_off_executed
                        ? 'bg-bambu-green/50 cursor-not-allowed'
                        : smartPlug.auto_off ? 'bg-bambu-green' : 'bg-bambu-dark-tertiary'
                  }`}
                >
                  <span
                    className={`absolute top-[2px] left-[2px] w-4 h-4 bg-white rounded-full transition-transform ${
                      smartPlug.auto_off || smartPlug.auto_off_executed ? 'translate-x-4' : 'translate-x-0'
                    }`}
                  />
                </button>
              </div>
            </div>

            {/* HA entity buttons row */}
            {scriptPlugs && scriptPlugs.length > 0 && (
              <div className="flex items-center gap-2 mt-2 pt-2 border-t border-bambu-dark-tertiary/50">
                <Home className="w-3.5 h-3.5 text-blue-400 flex-shrink-0" />
                <span className="text-xs text-bambu-gray">HA:</span>
                <div className="flex flex-wrap gap-1">
                  {scriptPlugs.map(script => {
                    const isScript = script.ha_entity_id?.startsWith('script.');
                    return (
                      <button
                        key={script.id}
                        onClick={() => runScriptMutation.mutate({ id: script.id, action: isScript ? 'on' : 'toggle' })}
                        disabled={runScriptMutation.isPending}
                        title={`${isScript ? 'Run' : 'Toggle'} ${script.ha_entity_id}`}
                        className="px-2 py-0.5 text-xs bg-blue-500/20 text-blue-400 hover:bg-blue-500/30 rounded transition-colors flex items-center gap-1"
                      >
                        <Play className="w-2.5 h-2.5" />
                        {script.name}
                      </button>
                    );
                  })}
                </div>
              </div>
            )}
          </div>
        )}

        {/* Connection Info & Actions - hidden in compact mode */}
        {viewMode === 'expanded' && (
          <div className="mt-4 pt-4 border-t border-bambu-dark-tertiary flex items-center justify-end gap-2 flex-wrap">
              {/* Chamber Light */}
              <Button
                variant="secondary"
                size="sm"
                onClick={() => chamberLightMutation.mutate(!status?.chamber_light)}
                disabled={!status?.connected || chamberLightMutation.isPending || !hasPermission('printers:control')}
                title={!hasPermission('printers:control') ? t('printers.permission.noControl') : (status?.chamber_light ? t('printers.chamberLightOff') : t('printers.chamberLightOn'))}
                className={status?.chamber_light ? '!border-yellow-500 !text-yellow-400 hover:!bg-yellow-500/20' : ''}
              >
                <ChamberLight on={status?.chamber_light ?? false} className={`w-4 h-4 ${status?.chamber_light ? 'text-yellow-400' : ''}`} />
              </Button>
              {/* Camera Button */}
              <Button
                variant="secondary"
                size="sm"
                onClick={() => {
                  if (cameraViewMode === 'embedded' && onOpenEmbeddedCamera) {
                    onOpenEmbeddedCamera(printer.id, printer.name);
                  } else {
                    // Use saved window state or defaults
                    const saved = localStorage.getItem('cameraWindowState');
                    const state = saved ? JSON.parse(saved) : { width: 640, height: 400 };
                    const features = [
                      `width=${state.width}`,
                      `height=${state.height}`,
                      state.left !== undefined ? `left=${state.left}` : '',
                      state.top !== undefined ? `top=${state.top}` : '',
                      'menubar=no,toolbar=no,location=no,status=no,noopener',
                    ].filter(Boolean).join(',');
                    window.open(`/camera/${printer.id}`, `camera-${printer.id}`, features);
                  }
                }}
                disabled={!status?.connected || !hasPermission('camera:view')}
                title={!hasPermission('camera:view') ? t('printers.permission.noCamera') : (cameraViewMode === 'embedded' ? t('printers.openCameraOverlay') : t('printers.openCameraWindow'))}
              >
                <Video className="w-4 h-4" />
              </Button>
              {/* Split button: main part toggles detection, chevron opens modal */}
              <div className={`inline-flex rounded-md ${printer.plate_detection_enabled ? 'ring-1 ring-green-500' : ''}`}>
                <Button
                  variant="secondary"
                  size="sm"
                  onClick={handleTogglePlateDetection}
                  disabled={!status?.connected || plateDetectionMutation.isPending || !hasPermission('printers:update')}
                  title={!hasPermission('printers:update') ? t('printers.plateDetection.noPermission') : (printer.plate_detection_enabled ? t('printers.plateDetection.enabledClick') : t('printers.plateDetection.disabledClick'))}
                  className={`!rounded-r-none !border-r-0 ${printer.plate_detection_enabled ? "!border-green-500 !text-green-400 hover:!bg-green-500/20" : ""}`}
                >
                  {plateDetectionMutation.isPending ? (
                    <Loader2 className="w-4 h-4 animate-spin" />
                  ) : (
                    <ScanSearch className="w-4 h-4" />
                  )}
                </Button>
                <Button
                  variant="secondary"
                  size="sm"
                  onClick={handleOpenPlateManagement}
                  disabled={!status?.connected || isCheckingPlate || !hasPermission('printers:update')}
                  title={!hasPermission('printers:update') ? t('printers.plateDetection.noPermission') : t('printers.plateDetection.manageCalibration')}
                  className={`!rounded-l-none !px-1.5 ${printer.plate_detection_enabled ? "!border-green-500 !text-green-400 hover:!bg-green-500/20" : ""}`}
                >
                  {isCheckingPlate ? (
                    <Loader2 className="w-3 h-3 animate-spin" />
                  ) : (
                    <ChevronDown className="w-3 h-3" />
                  )}
                </Button>
              </div>
              <Button
                variant="secondary"
                size="sm"
                onClick={() => setShowFileManager(true)}
                disabled={!isConnected || !hasPermission('printers:files')}
                title={!hasPermission('printers:files') ? t('printers.permission.noFiles') : t('printers.browseFiles')}
              >
                <HardDrive className="w-4 h-4" />
                {t('printers.files')}
              </Button>
              {isConnected && status?.state !== 'RUNNING' && status?.state !== 'PAUSE' && (
                <Button
                  size="sm"
                  onClick={() => setShowUploadForPrint(true)}
                  disabled={!hasPermission('printers:control')}
                  title={!hasPermission('printers:control') ? t('printers.permission.noControl') : t('common.print')}
                  className="!bg-bambu-green hover:!bg-bambu-green/80 !text-white"
                >
                  <PrinterIcon className="w-4 h-4" />
                  {t('common.print')}
                </Button>
              )}
          </div>
        )}
      </CardContent>

      {/* File Manager Modal */}
      {showFileManager && (
        <FileManagerModal
          printerId={printer.id}
          printerName={printer.name}
          onClose={() => setShowFileManager(false)}
        />
      )}

      {/* Upload for Print Modal */}
      {showUploadForPrint && (
        <FileUploadModal
          folderId={null}
          onClose={() => setShowUploadForPrint(false)}
          onUploadComplete={() => {}}
          autoUpload
          accept=".gcode,.3mf"
          validateFile={(file) => {
            const lower = file.name.toLowerCase();
            if (!lower.endsWith('.gcode') && !lower.includes('.gcode.')) {
              return t('printers.dropNotPrintable', 'Only .gcode and .gcode.3mf files can be printed');
            }
          }}
          onFileUploaded={(uploadedFile) => {
            // Check printer compatibility if sliced_for_model is available in metadata
            const slicedFor = (uploadedFile.metadata as Record<string, unknown>)?.sliced_for_model as string | undefined;
            const printerModel = mapModelCode(printer.model);
            if (slicedFor && printerModel && slicedFor.toLowerCase() !== printerModel.toLowerCase()) {
              api.deleteLibraryFile(uploadedFile.id).catch(() => {});
              return t('printers.incompatibleFile', 'This file was sliced for {{slicedFor}}, but this printer is a {{printerModel}}', { slicedFor, printerModel });
            }
            setPrintAfterUpload({ id: uploadedFile.id, filename: uploadedFile.filename });
          }}
        />
      )}

      {/* Print Modal (after upload) */}
      {printAfterUpload && (
        <PrintModal
          mode="reprint"
          libraryFileId={printAfterUpload.id}
          archiveName={printAfterUpload.filename}
          initialSelectedPrinterIds={[printer.id]}
          onClose={() => setPrintAfterUpload(null)}
          onSuccess={() => setPrintAfterUpload(null)}
        />
      )}

      {/* MQTT Debug Modal */}
      {showMQTTDebug && (
        <MQTTDebugModal
          printerId={printer.id}
          printerName={printer.name}
          onClose={() => setShowMQTTDebug(false)}
        />
      )}

      {showPrinterInfo && (
        <PrinterInfoModal
          printer={printer}
          status={status}
          totalPrintHours={maintenanceInfo?.total_print_hours}
          onClose={closePrinterInfo}
        />
      )}

      {/* Plate Check Result Modal */}
      {plateCheckResult && (
        <div className="fixed inset-0 bg-black/50 flex items-center justify-center z-50 p-4" onClick={() => closePlateCheckModal()}>
          <div className="bg-bambu-dark-secondary border border-bambu-dark-tertiary rounded-xl shadow-2xl max-w-lg w-full" onClick={e => e.stopPropagation()}>
            <div className="flex items-center justify-between p-4 border-b border-bambu-dark-tertiary">
              <div className="flex items-center gap-2">
                {plateCheckResult.needs_calibration ? (
                  <ScanSearch className="w-5 h-5 text-blue-500" />
                ) : plateCheckResult.is_empty ? (
                  <CheckCircle className="w-5 h-5 text-green-500" />
                ) : (
                  <XCircle className="w-5 h-5 text-yellow-500" />
                )}
                <h2 className="text-lg font-semibold text-white">
                  Build Plate Check
                </h2>
                {plateCheckResult.reference_count !== undefined && plateCheckResult.max_references && (
                  <span className="text-xs text-bambu-gray bg-bambu-dark-tertiary px-2 py-1 rounded">
                    {plateCheckResult.reference_count}/{plateCheckResult.max_references} refs
                  </span>
                )}
              </div>
              <button
                onClick={() => closePlateCheckModal()}
                className="p-1 text-bambu-gray hover:text-white rounded transition-colors"
              >
                <X className="w-5 h-5" />
              </button>
            </div>
            <div className="p-4 space-y-4">
              {plateCheckResult.needs_calibration ? (
                <>
                  <div className="p-3 rounded-lg bg-blue-500/20 border border-blue-500/50">
                    <p className="font-medium text-blue-400">
                      {t('printers.plateDetection.calibrationRequired')}
                    </p>
                    <p className="text-sm text-bambu-gray mt-1" dangerouslySetInnerHTML={{ __html: t('printers.plateDetection.calibrationInstructions') }} />
                  </div>
                  <div className="text-sm text-bambu-gray space-y-2">
                    <p>{t('printers.plateDetection.calibrationDescription')}</p>
                    <p dangerouslySetInnerHTML={{ __html: t('printers.plateDetection.calibrationTip') }} />
                  </div>
                </>
              ) : (
                <>
                  <div className={`p-3 rounded-lg ${plateCheckResult.is_empty ? 'bg-green-500/20 border border-green-500/50' : 'bg-yellow-500/20 border border-yellow-500/50'}`}>
                    <p className={`font-medium ${plateCheckResult.is_empty ? 'text-green-400' : 'text-yellow-400'}`}>
                      {plateCheckResult.is_empty ? t('printers.plateDetection.plateEmpty') : t('printers.plateDetection.objectsDetected')}
                    </p>
                    <p className="text-sm text-bambu-gray mt-1">
                      {t('printers.plateDetection.confidence')}: {Math.round(plateCheckResult.confidence * 100)}% | {t('printers.plateDetection.difference')}: {plateCheckResult.difference_percent.toFixed(1)}%
                    </p>
                  </div>
                  {plateCheckResult.debug_image_url && (
                    <div>
                      <p className="text-sm text-bambu-gray mb-2">{t('printers.plateDetection.analysisPreview')}</p>
                      <img
                        src={plateCheckResult.debug_image_url}
                        alt={t('printers.plateDetection.analysisPreview')}
                        className="w-full rounded-lg border border-bambu-dark-tertiary"
                      />
                      <p className="text-xs text-bambu-gray mt-2">
                        {t('printers.plateDetection.analysisLegend')}
                      </p>
                    </div>
                  )}
                  <p className="text-xs text-bambu-gray">
                    {plateCheckResult.message}
                  </p>
                </>
              )}

              {/* Saved References Grid */}
              {plateReferences && plateReferences.references.length > 0 && (
                <div className="mt-4 pt-4 border-t border-bambu-dark-tertiary">
                  <p className="text-sm font-medium text-white mb-2">
                    {t('printers.plateDetection.savedReferences', { count: plateReferences.references.length, max: plateReferences.max_references })}
                  </p>
                  <div className="grid grid-cols-5 gap-2">
                    {plateReferences.references.map((ref) => (
                      <div key={ref.index} className="relative group">
                        <img
                          src={api.getPlateReferenceThumbnailUrl(printer.id, ref.index)}
                          alt={ref.label || `Reference ${ref.index + 1}`}
                          className="w-full aspect-video object-cover rounded border border-bambu-dark-tertiary"
                        />
                        {/* Delete button */}
                        <button
                          onClick={() => handleDeleteRef(ref.index)}
                          className="absolute top-1 right-1 p-0.5 bg-red-500/80 rounded opacity-0 group-hover:opacity-100 transition-opacity"
                          title={t('printers.plateDetection.deleteReference')}
                        >
                          <X className="w-3 h-3 text-white" />
                        </button>
                        {/* Label */}
                        {editingRefLabel?.index === ref.index ? (
                          <input
                            type="text"
                            value={editingRefLabel.label}
                            onChange={(e) => setEditingRefLabel({ ...editingRefLabel, label: e.target.value })}
                            onBlur={() => handleUpdateRefLabel(ref.index, editingRefLabel.label)}
                            onKeyDown={(e) => {
                              if (e.key === 'Enter') handleUpdateRefLabel(ref.index, editingRefLabel.label);
                              if (e.key === 'Escape') setEditingRefLabel(null);
                            }}
                            className="w-full mt-1 px-1 py-0.5 text-xs bg-bambu-dark-tertiary border border-bambu-green rounded text-white"
                            autoFocus
                            placeholder={t('printers.plateDetection.labelPlaceholder')}
                          />
                        ) : (
                          <p
                            className="text-xs text-bambu-gray mt-1 truncate cursor-pointer hover:text-white"
                            onClick={() => setEditingRefLabel({ index: ref.index, label: ref.label })}
                            title={ref.label ? t('printers.plateDetection.clickToEdit', { label: ref.label }) : t('printers.plateDetection.clickToAddLabel')}
                          >
                            {ref.label || <span className="italic opacity-50">{t('printers.noLabel')}</span>}
                          </p>
                        )}
                        {/* Timestamp */}
                        <p className="text-[10px] text-bambu-gray/60">
                          {ref.timestamp ? parseUTCDate(ref.timestamp)?.toLocaleDateString() ?? '' : ''}
                        </p>
                      </div>
                    ))}
                  </div>
                </div>
              )}

              {/* ROI Editor */}
              {!plateCheckResult.needs_calibration && (
                <div className="mt-4 pt-4 border-t border-bambu-dark-tertiary">
                  <div className="flex items-center justify-between mb-2">
                    <p className="text-sm font-medium text-white">{t('printers.roi.title')}</p>
                    {!editingRoi ? (
                      <Button
                        variant="ghost"
                        size="sm"
                        onClick={() => setEditingRoi(plateCheckResult.roi || { x: 0.15, y: 0.35, w: 0.70, h: 0.55 })}
                      >
                        <Pencil className="w-3 h-3 mr-1" />
                        {t('common.edit')}
                      </Button>
                    ) : (
                      <div className="flex gap-1">
                        <Button
                          variant="ghost"
                          size="sm"
                          onClick={() => setEditingRoi(null)}
                          disabled={isSavingRoi}
                        >
                          {t('common.cancel')}
                        </Button>
                        <Button
                          size="sm"
                          onClick={handleSaveRoi}
                          disabled={isSavingRoi}
                        >
                          {isSavingRoi ? <Loader2 className="w-3 h-3 animate-spin" /> : t('common.save')}
                        </Button>
                      </div>
                    )}
                  </div>
                  {editingRoi ? (
                    <div className="space-y-3 bg-bambu-dark-tertiary/50 p-3 rounded-lg">
                      <div className="grid grid-cols-2 gap-3">
                        <div>
                          <label className="text-xs text-bambu-gray">{t('printers.roi.xStart')}</label>
                          <input
                            type="range"
                            min="0"
                            max="0.9"
                            step="0.01"
                            value={editingRoi.x}
                            onChange={(e) => setEditingRoi({ ...editingRoi, x: parseFloat(e.target.value) })}
                            className="w-full h-1.5 bg-bambu-dark-tertiary rounded-lg cursor-pointer accent-green-500"
                          />
                          <span className="text-xs text-bambu-gray">{Math.round(editingRoi.x * 100)}%</span>
                        </div>
                        <div>
                          <label className="text-xs text-bambu-gray">{t('printers.roi.yStart')}</label>
                          <input
                            type="range"
                            min="0"
                            max="0.9"
                            step="0.01"
                            value={editingRoi.y}
                            onChange={(e) => setEditingRoi({ ...editingRoi, y: parseFloat(e.target.value) })}
                            className="w-full h-1.5 bg-bambu-dark-tertiary rounded-lg cursor-pointer accent-green-500"
                          />
                          <span className="text-xs text-bambu-gray">{Math.round(editingRoi.y * 100)}%</span>
                        </div>
                        <div>
                          <label className="text-xs text-bambu-gray">{t('printers.width')}</label>
                          <input
                            type="range"
                            min="0.1"
                            max="1"
                            step="0.01"
                            value={editingRoi.w}
                            onChange={(e) => setEditingRoi({ ...editingRoi, w: parseFloat(e.target.value) })}
                            className="w-full h-1.5 bg-bambu-dark-tertiary rounded-lg cursor-pointer accent-green-500"
                          />
                          <span className="text-xs text-bambu-gray">{Math.round(editingRoi.w * 100)}%</span>
                        </div>
                        <div>
                          <label className="text-xs text-bambu-gray">{t('printers.height')}</label>
                          <input
                            type="range"
                            min="0.1"
                            max="1"
                            step="0.01"
                            value={editingRoi.h}
                            onChange={(e) => setEditingRoi({ ...editingRoi, h: parseFloat(e.target.value) })}
                            className="w-full h-1.5 bg-bambu-dark-tertiary rounded-lg cursor-pointer accent-green-500"
                          />
                          <span className="text-xs text-bambu-gray">{Math.round(editingRoi.h * 100)}%</span>
                        </div>
                      </div>
                      <p className="text-xs text-bambu-gray">
                        {t('printers.roi.instruction')}
                      </p>
                    </div>
                  ) : (
                    <p className="text-xs text-bambu-gray">
                      Current: X={Math.round((plateCheckResult.roi?.x || 0.15) * 100)}%, Y={Math.round((plateCheckResult.roi?.y || 0.35) * 100)}%,
                      W={Math.round((plateCheckResult.roi?.w || 0.70) * 100)}%, H={Math.round((plateCheckResult.roi?.h || 0.55) * 100)}%
                    </p>
                  )}
                </div>
              )}
            </div>
            <div className="flex justify-end gap-2 p-4 border-t border-bambu-dark-tertiary">
              {plateCheckResult.needs_calibration ? (
                <>
                  <Button variant="ghost" onClick={() => closePlateCheckModal()}>
                    {t('common.cancel')}
                  </Button>
                  <Button
                    onClick={() => handleCalibratePlate()}
                    disabled={isCalibrating}
                  >
                    {isCalibrating ? (
                      <>
                        <Loader2 className="w-4 h-4 mr-2 animate-spin" />
                        Calibrating...
                      </>
                    ) : (
                      'Calibrate Empty Plate'
                    )}
                  </Button>
                </>
              ) : (
                <>
                  <Button variant="ghost" onClick={() => handleCalibratePlate()} disabled={isCalibrating}>
                    {isCalibrating ? 'Adding...' : `Add Reference (${plateReferences?.references.length || 0}/${plateReferences?.max_references || 5})`}
                  </Button>
                  <Button onClick={() => closePlateCheckModal()}>
                    Close
                  </Button>
                </>
              )}
            </div>
          </div>
        </div>
      )}

      {/* Power On Confirmation */}
      {showPowerOnConfirm && smartPlug && (
        <ConfirmModal
          title={t('printers.confirm.powerOnTitle')}
          message={t('printers.confirm.powerOnMessage', { name: printer.name })}
          confirmText={t('printers.confirm.powerOnButton')}
          variant="default"
          onConfirm={() => {
            powerControlMutation.mutate('on');
            setShowPowerOnConfirm(false);
          }}
          onCancel={() => setShowPowerOnConfirm(false)}
        />
      )}

      {/* Power Off Confirmation */}
      {showPowerOffConfirm && smartPlug && (
        <ConfirmModal
          title={t('printers.confirm.powerOffTitle')}
          message={
            status?.state === 'RUNNING'
              ? t('printers.confirm.powerOffWarning', { name: printer.name })
              : t('printers.confirm.powerOffMessage', { name: printer.name })
          }
          confirmText={t('printers.confirm.powerOffButton')}
          variant="danger"
          onConfirm={() => {
            powerControlMutation.mutate('off');
            setShowPowerOffConfirm(false);
          }}
          onCancel={() => setShowPowerOffConfirm(false)}
        />
      )}

      {/* Stop Print Confirmation */}
      {showStopConfirm && (
        <ConfirmModal
          title={t('printers.confirm.stopTitle')}
          message={t('printers.confirm.stopMessage', { name: printer.name })}
          confirmText={t('printers.confirm.stopButton')}
          variant="danger"
          onConfirm={() => {
            stopPrintMutation.mutate();
            setShowStopConfirm(false);
          }}
          onCancel={() => setShowStopConfirm(false)}
        />
      )}

      {/* Pause Print Confirmation */}
      {showPauseConfirm && (
        <ConfirmModal
          title={t('printers.confirm.pauseTitle')}
          message={t('printers.confirm.pauseMessage', { name: printer.name })}
          confirmText={t('printers.confirm.pauseButton')}
          variant="default"
          onConfirm={() => {
            pausePrintMutation.mutate();
            setShowPauseConfirm(false);
          }}
          onCancel={() => setShowPauseConfirm(false)}
        />
      )}

      {/* Resume Print Confirmation */}
      {showResumeConfirm && (
        <ConfirmModal
          title={t('printers.confirm.resumeTitle')}
          message={t('printers.confirm.resumeMessage', { name: printer.name })}
          confirmText={t('printers.confirm.resumeButton')}
          variant="default"
          onConfirm={() => {
            resumePrintMutation.mutate();
            setShowResumeConfirm(false);
          }}
          onCancel={() => setShowResumeConfirm(false)}
        />
      )}

      {/* Skip Objects Modal */}
      <SkipObjectsModal
        printerId={printer.id}
        isOpen={showSkipObjectsModal}
        onClose={() => setShowSkipObjectsModal(false)}
      />

      {/* HMS Error Modal */}
      {showHMSModal && (
        <HMSErrorModal
          printerName={printer.name}
          errors={status?.hms_errors || []}
          onClose={() => setShowHMSModal(false)}
          printerId={printer.id}
          hasPermission={hasPermission}
        />
      )}

      {/* AMS History Modal */}
      {amsHistoryModal && (
        <AMSHistoryModal
          isOpen={!!amsHistoryModal}
          onClose={() => setAmsHistoryModal(null)}
          printerId={printer.id}
          printerName={printer.name}
          amsId={amsHistoryModal.amsId}
          amsLabel={amsHistoryModal.amsLabel}
          initialMode={amsHistoryModal.mode}
          thresholds={amsThresholds}
        />
      )}

      {/* Link Spool Modal */}
      {linkSpoolModal && (
        <LinkSpoolModal
          isOpen={!!linkSpoolModal}
          onClose={() => setLinkSpoolModal(null)}
          tagUid={linkSpoolModal.tagUid}
          trayUuid={linkSpoolModal.trayUuid}
          printerId={linkSpoolModal.printerId}
          amsId={linkSpoolModal.amsId}
          trayId={linkSpoolModal.trayId}
        />
      )}

      {/* Assign Spool Modal */}
      {assignSpoolModal && (
        <AssignSpoolModal
          isOpen={!!assignSpoolModal}
          onClose={() => setAssignSpoolModal(null)}
          printerId={assignSpoolModal.printerId}
          amsId={assignSpoolModal.amsId}
          trayId={assignSpoolModal.trayId}
          trayInfo={assignSpoolModal.trayInfo}
        />
      )}

      {/* Configure AMS Slot Modal */}
      {configureSlotModal && (
        <ConfigureAmsSlotModal
          isOpen={!!configureSlotModal}
          onClose={() => setConfigureSlotModal(null)}
          printerId={printer.id}
          slotInfo={configureSlotModal}
          printerModel={mapModelCode(printer.model) || undefined}
          onSuccess={() => {
            // Refresh slot presets to show updated profile name
            queryClient.invalidateQueries({ queryKey: ['slotPresets', printer.id] });
            // Printer status will update automatically via WebSocket when AMS data changes
            queryClient.invalidateQueries({ queryKey: ['printerStatus', printer.id] });
          }}
        />
      )}

      {/* Edit Printer Modal */}
      {showEditModal && (
        <EditPrinterModal
          printer={printer}
          onClose={() => setShowEditModal(false)}
        />
      )}

      {/* Firmware Update Modal */}
      {showFirmwareModal && firmwareInfo && (
        <FirmwareUpdateModal
          printer={printer}
          firmwareInfo={firmwareInfo}
          onClose={() => setShowFirmwareModal(false)}
        />
      )}

      {/* AMS Slot Menu Backdrop - closes menu when clicking outside */}
      {amsSlotMenu && (
        <div
          className="fixed inset-0 z-40"
          onClick={() => setAmsSlotMenu(null)}
        />
      )}

      {/* AMS Drying Popover — fixed position to avoid overflow/z-index issues */}
      {dryingPopoverAmsId !== null && dryingPopoverPos && (() => {
        const maxTemp = dryingPopoverModuleType === 'n3s' ? 85 : 65;
        const sliderMin = 35;
        const sliderMax = maxTemp + 10;
        return (
          <>
            {/* Backdrop */}
            <div className="fixed inset-0 z-[100]" onClick={() => setDryingPopoverAmsId(null)} />
            {/* Popover */}
            <div
              className="fixed z-[101] w-[240px] bg-bambu-dark-secondary border border-bambu-dark-tertiary rounded-xl shadow-2xl overflow-hidden"
              style={{ top: dryingPopoverPos.top, left: dryingPopoverPos.left }}
              onClick={e => e.stopPropagation()}
            >
              {/* Header */}
              <div className="flex items-center gap-2 px-3 py-2.5 border-b border-bambu-dark-tertiary">
                <Flame className="w-3.5 h-3.5 text-amber-400" />
                <span className="text-xs text-white font-medium">{t('printers.drying.start')}</span>
              </div>
              {/* Body */}
              <div className="px-3 py-2.5 space-y-2.5">
                {/* Filament type select */}
                <div>
                  <label className="text-[10px] text-bambu-gray mb-1 block">{t('printers.filaments')}</label>
                  <select
                    value={dryingFilament}
                    onChange={e => {
                      const fil = e.target.value;
                      setDryingFilament(fil);
                      const preset = dryingPresets[fil];
                      if (preset) {
                        const key = dryingPopoverModuleType === 'n3s' ? 'n3s' : 'n3f';
                        setDryingTemp(preset[key]);
                        setDryingDuration(dryingPopoverModuleType === 'n3s' ? preset.n3s_hours : preset.n3f_hours);
                      }
                    }}
                    className="w-full px-2 py-1.5 bg-bambu-dark border border-bambu-dark-tertiary rounded-lg text-white text-xs focus:outline-none focus:border-amber-500/50"
                  >
                    {Object.keys(dryingPresets).map(fil => (
                      <option key={fil} value={fil}>{fil}</option>
                    ))}
                  </select>
                </div>
                {/* Temperature */}
                <div>
                  <div className="flex items-center justify-between mb-1">
                    <label className="text-[10px] text-bambu-gray">{t('printers.drying.temperature')}</label>
                    <div className="flex items-center gap-1">
                      <input
                        type="number"
                        min={45}
                        max={maxTemp}
                        value={dryingTemp}
                        onChange={e => setDryingTemp(Math.min(maxTemp, Math.max(45, Number(e.target.value) || 45)))}
                        className="w-12 px-1 py-0.5 bg-bambu-dark border border-bambu-dark-tertiary rounded text-white text-[11px] text-center focus:outline-none focus:border-amber-500/50 [appearance:textfield] [&::-webkit-outer-spin-button]:appearance-none [&::-webkit-inner-spin-button]:appearance-none"
                      />
                      <span className="text-[10px] text-bambu-gray">°C</span>
                    </div>
                  </div>
                  <input
                    type="range"
                    min={sliderMin}
                    max={sliderMax}
                    value={dryingTemp}
                    onChange={e => setDryingTemp(Math.min(maxTemp, Math.max(45, Number(e.target.value))))}
                    className="w-full h-1 accent-amber-500 cursor-pointer"
                  />
                  <div className="flex justify-between text-[9px] text-bambu-gray/50 mt-0.5">
                    <span>45°C</span>
                    <span>{maxTemp}°C</span>
                  </div>
                </div>
                {/* Duration */}
                <div>
                  <div className="flex items-center justify-between mb-1">
                    <label className="text-[10px] text-bambu-gray">{t('printers.drying.duration')}</label>
                    <div className="flex items-center gap-1">
                      <input
                        type="number"
                        min={1}
                        max={24}
                        value={dryingDuration}
                        onChange={e => setDryingDuration(Math.min(24, Math.max(1, Number(e.target.value) || 1)))}
                        className="w-10 px-1 py-0.5 bg-bambu-dark border border-bambu-dark-tertiary rounded text-white text-[11px] text-center focus:outline-none focus:border-amber-500/50 [appearance:textfield] [&::-webkit-outer-spin-button]:appearance-none [&::-webkit-inner-spin-button]:appearance-none"
                      />
                      <span className="text-[10px] text-bambu-gray">{t('printers.drying.hours')}</span>
                    </div>
                  </div>
                  <input
                    type="range"
                    min={1}
                    max={24}
                    value={dryingDuration}
                    onChange={e => setDryingDuration(Number(e.target.value))}
                    className="w-full h-1 accent-amber-500 cursor-pointer"
                  />
                  <div className="flex justify-between text-[9px] text-bambu-gray/50 mt-0.5">
                    <span>1h</span>
                    <span>24h</span>
                  </div>
                </div>
                {/* Rotate tray */}
                <label className="flex items-center gap-2 cursor-pointer">
                  <input
                    type="checkbox"
                    checked={dryingRotateTray}
                    onChange={e => setDryingRotateTray(e.target.checked)}
                    className="w-3.5 h-3.5 accent-amber-500 rounded cursor-pointer"
                  />
                  <span className="text-[11px] text-bambu-gray">{t('printers.drying.rotateTray')}</span>
                </label>
              </div>
              {/* Footer */}
              <div className="px-3 pb-3">
                <button
                  onClick={() => {
                    if (dryingPopoverAmsId !== null) {
                      startDryingMutation.mutate({ amsId: dryingPopoverAmsId, temp: dryingTemp, duration: dryingDuration, filament: dryingFilament, rotateTray: dryingRotateTray });
                    }
                  }}
                  disabled={startDryingMutation.isPending}
                  className="w-full py-1.5 bg-amber-500 hover:bg-amber-400 text-white text-xs font-medium rounded-lg transition-colors disabled:opacity-50"
                >
                  {startDryingMutation.isPending ? t('printers.drying.startingDrying') : t('printers.drying.start')}
                </button>
              </div>
            </div>
          </>
        );
      })()}
    </Card>
  );
}

function AddPrinterModal({
  onClose,
  onAdd,
  existingSerials,
}: {
  onClose: () => void;
  onAdd: (data: PrinterCreate) => void;
  existingSerials: string[];
}) {
  const { t } = useTranslation();
  const [form, setForm] = useState<PrinterCreate>({
    name: '',
    serial_number: '',
    ip_address: '',
    access_code: '',
    model: '',
    location: '',
    auto_archive: true,
  });

  // Discovery state
  const [discovering, setDiscovering] = useState(false);
  const [discovered, setDiscovered] = useState<DiscoveredPrinter[]>([]);
  const [discoveryError, setDiscoveryError] = useState('');
  const [hasScanned, setHasScanned] = useState(false);
  const [isDocker, setIsDocker] = useState(false);
  const [detectedSubnets, setDetectedSubnets] = useState<string[]>([]);
  const [subnet, setSubnet] = useState('');
  const [scanProgress, setScanProgress] = useState({ scanned: 0, total: 0 });

  // Fetch discovery info on mount
  useEffect(() => {
    discoveryApi.getInfo().then(info => {
      setIsDocker(info.is_docker);
      if (info.subnets.length > 0) {
        setDetectedSubnets(info.subnets);
        setSubnet(info.subnets[0]);
      }
    }).catch(() => {
      // Ignore errors, assume not Docker
    });
  }, []);

  // Filter out already-added printers
  const newPrinters = discovered.filter(p => !existingSerials.includes(p.serial));

  const startDiscovery = async () => {
    setDiscoveryError('');
    setDiscovered([]);
    setDiscovering(true);
    setHasScanned(false);
    setScanProgress({ scanned: 0, total: 0 });

    try {
      if (isDocker) {
        // Use subnet scanning for Docker
        await discoveryApi.startSubnetScan(subnet);

        // Poll for scan status and results
        const pollInterval = setInterval(async () => {
          try {
            const status = await discoveryApi.getScanStatus();
            setScanProgress({ scanned: status.scanned, total: status.total });

            const printers = await discoveryApi.getDiscoveredPrinters();
            setDiscovered(printers);

            if (!status.running) {
              clearInterval(pollInterval);
              setDiscovering(false);
              setHasScanned(true);
            }
          } catch (e) {
            console.error('Failed to get scan status:', e);
          }
        }, 500);
      } else {
        // Use SSDP discovery for native installs
        await discoveryApi.startDiscovery(10);

        // Poll for discovered printers every second
        const pollInterval = setInterval(async () => {
          try {
            const printers = await discoveryApi.getDiscoveredPrinters();
            setDiscovered(printers);
          } catch (e) {
            console.error('Failed to get discovered printers:', e);
          }
        }, 1000);

        // Stop after 10 seconds
        setTimeout(async () => {
          clearInterval(pollInterval);
          try {
            await discoveryApi.stopDiscovery();
          } catch {
            // Ignore stop errors
          }
          setDiscovering(false);
          setHasScanned(true);
          // Final fetch
          try {
            const printers = await discoveryApi.getDiscoveredPrinters();
            setDiscovered(printers);
          } catch (e) {
            console.error('Failed to get final discovered printers:', e);
          }
        }, 10000);
      }
    } catch (e) {
      console.error('Failed to start discovery:', e);
      setDiscoveryError(e instanceof Error ? e.message : t('printers.discovery.failedToStart'));
      setDiscovering(false);
      setHasScanned(true);
    }
  };

  // Reuse module-level mapModelCode

  const selectPrinter = (printer: DiscoveredPrinter) => {
    // Don't pre-fill serial if it's a placeholder (unknown-*) - user needs to enter actual serial
    const serialNumber = printer.serial.startsWith('unknown-') ? '' : printer.serial;
    setForm({
      ...form,
      name: printer.name || '',
      serial_number: serialNumber,
      ip_address: printer.ip_address,
      model: mapModelCode(printer.model),
    });
    // Clear discovery results after selection
    setDiscovered([]);
  };

  // Cleanup discovery on unmount
  useEffect(() => {
    return () => {
      discoveryApi.stopDiscovery().catch(() => {});
      discoveryApi.stopSubnetScan().catch(() => {});
    };
  }, []);

  // Close on Escape key
  useEffect(() => {
    const handleKeyDown = (e: KeyboardEvent) => {
      if (e.key === 'Escape') onClose();
    };
    window.addEventListener('keydown', handleKeyDown);
    return () => window.removeEventListener('keydown', handleKeyDown);
  }, [onClose]);

  return (
    <div
      className="fixed inset-0 bg-black/50 flex items-center justify-center z-50"
      onClick={onClose}
    >
      <Card className="w-full max-w-md" onClick={(e: React.MouseEvent) => e.stopPropagation()}>
        <CardContent>
          <h2 className="text-xl font-semibold mb-4">{t('printers.addPrinter')}</h2>

          {/* Discovery Section */}
          <div className="mb-4 pb-4 border-b border-bambu-dark-tertiary">
            {isDocker && (
              <div className="mb-3">
                <label className="block text-sm text-bambu-gray mb-1">
                  {t('printers.discovery.subnetToScan')}
                </label>
                {detectedSubnets.length > 0 ? (
                  <select
                    className="w-full px-3 py-2 bg-bambu-dark border border-bambu-dark-tertiary rounded-lg text-white focus:border-bambu-green focus:outline-none text-sm"
                    value={subnet}
                    onChange={(e) => setSubnet(e.target.value)}
                    disabled={discovering}
                  >
                    {detectedSubnets.map(s => (
                      <option key={s} value={s}>{s}</option>
                    ))}
                  </select>
                ) : (
                  <input
                    type="text"
                    className="w-full px-3 py-2 bg-bambu-dark border border-bambu-dark-tertiary rounded-lg text-white focus:border-bambu-green focus:outline-none text-sm"
                    value={subnet}
                    onChange={(e) => setSubnet(e.target.value)}
                    placeholder="192.168.1.0/24"
                    disabled={discovering}
                  />
                )}
                <p className="mt-1 text-xs text-bambu-gray">
                  {t('printers.discovery.dockerNote')}
                </p>
              </div>
            )}

            <Button
              type="button"
              variant="secondary"
              onClick={startDiscovery}
              disabled={discovering}
              className="w-full"
            >
              {discovering ? (
                <>
                  <Loader2 className="w-4 h-4 animate-spin" />
                  {isDocker && scanProgress.total > 0
                    ? t('printers.discovery.scanProgress', { scanned: scanProgress.scanned, total: scanProgress.total })
                    : t('printers.discovery.scanning')}
                </>
              ) : (
                <>
                  <Search className="w-4 h-4" />
                  {isDocker ? t('printers.discovery.scanSubnet') : t('printers.discovery.discoverNetwork')}
                </>
              )}
            </Button>

            {discoveryError && (
              <div className="mt-2 text-sm text-red-400">{discoveryError}</div>
            )}

            {newPrinters.length > 0 && (
              <div className="mt-3 space-y-2 max-h-40 overflow-y-auto">
                {newPrinters.map((printer) => (
                  <div
                    key={printer.serial}
                    className="flex items-center justify-between p-2 bg-bambu-dark rounded-lg hover:bg-bambu-dark-secondary cursor-pointer transition-colors"
                    onClick={() => selectPrinter(printer)}
                  >
                    <div className="min-w-0 flex-1">
                      <p className="font-medium text-white text-sm truncate">
                        {printer.name || printer.serial}
                      </p>
                      <p className="text-xs text-bambu-gray truncate">
                        {mapModelCode(printer.model) || t('printers.discovery.unknown')} • {printer.ip_address}
                        {printer.serial.startsWith('unknown-') && (
                          <span className="text-yellow-500"> • {t('printers.discovery.serialRequired')}</span>
                        )}
                      </p>
                    </div>
                    <ChevronDown className="w-4 h-4 text-bambu-gray -rotate-90 flex-shrink-0 ml-2" />
                  </div>
                ))}
              </div>
            )}

            {discovering && (
              <p className="mt-2 text-sm text-bambu-gray text-center">
                {isDocker ? t('printers.discovery.scanningSubnet') : t('printers.discovery.scanningNetwork')}
              </p>
            )}

            {hasScanned && !discovering && discovered.length === 0 && (
              <p className="mt-2 text-sm text-bambu-gray text-center">
                {isDocker ? t('printers.discovery.noPrintersFoundSubnet') : t('printers.discovery.noPrintersFoundNetwork')}
              </p>
            )}

            {hasScanned && !discovering && discovered.length > 0 && newPrinters.length === 0 && (
              <p className="mt-2 text-sm text-bambu-gray text-center">
                {t('printers.discovery.allConfigured')}
              </p>
            )}
          </div>
          <form
            onSubmit={(e) => {
              e.preventDefault();
              onAdd(form);
            }}
            className="space-y-4"
          >
            <div>
              <label className="block text-sm text-bambu-gray mb-1">{t('printers.name')}</label>
              <input
                type="text"
                required
                className="w-full px-3 py-2 bg-bambu-dark border border-bambu-dark-tertiary rounded-lg text-white focus:border-bambu-green focus:outline-none"
                value={form.name}
                onChange={(e) => setForm({ ...form, name: e.target.value })}
                placeholder={t('printers.modal.myPrinter')}
              />
            </div>
            <div>
              <label className="block text-sm text-bambu-gray mb-1">{t('printers.ipAddress')}</label>
              <input
                type="text"
                required
                pattern="(\d{1,3}(\.\d{1,3}){3}|[a-zA-Z0-9]([a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])?(\.[a-zA-Z0-9]([a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])?)*)"
                className="w-full px-3 py-2 bg-bambu-dark border border-bambu-dark-tertiary rounded-lg text-white focus:border-bambu-green focus:outline-none"
                value={form.ip_address}
                onChange={(e) => setForm({ ...form, ip_address: e.target.value })}
                placeholder="192.168.1.100 or printer.local"
              />
            </div>
            <div>
              <label className="block text-sm text-bambu-gray mb-1">{t('printers.serialNumber')}</label>
              <input
                type="text"
                required
                className="w-full px-3 py-2 bg-bambu-dark border border-bambu-dark-tertiary rounded-lg text-white focus:border-bambu-green focus:outline-none"
                value={form.serial_number}
                onChange={(e) => setForm({ ...form, serial_number: e.target.value })}
                placeholder="01P00A000000000"
              />
            </div>
            <div>
              <label className="block text-sm text-bambu-gray mb-1">{t('printers.accessCode')}</label>
              <input
                type="password"
                required
                className="w-full px-3 py-2 bg-bambu-dark border border-bambu-dark-tertiary rounded-lg text-white focus:border-bambu-green focus:outline-none"
                value={form.access_code}
                onChange={(e) => setForm({ ...form, access_code: e.target.value })}
                placeholder={t('printers.modal.fromPrinterSettings')}
              />
            </div>
            <div>
              <label className="block text-sm text-bambu-gray mb-1">{t('printers.modal.modelOptional')}</label>
              <select
                className="w-full px-3 py-2 bg-bambu-dark border border-bambu-dark-tertiary rounded-lg text-white focus:border-bambu-green focus:outline-none"
                value={form.model || ''}
                onChange={(e) => setForm({ ...form, model: e.target.value })}
              >
                <option value="">{t('printers.modal.selectModel')}</option>
                <optgroup label="H2 Series">
                  <option value="H2C">H2C</option>
                  <option value="H2D">H2D</option>
                  <option value="H2D Pro">H2D Pro</option>
                  <option value="H2S">H2S</option>
                </optgroup>
                <optgroup label="X1 Series">
                  <option value="X1E">X1E</option>
                  <option value="X1C">X1 Carbon</option>
                  <option value="X1">X1</option>
                </optgroup>
                <optgroup label="P Series">
                  <option value="P2S">P2S</option>
                  <option value="P1S">P1S</option>
                  <option value="P1P">P1P</option>
                </optgroup>
                <optgroup label="A1 Series">
                  <option value="A1">A1</option>
                  <option value="A1 Mini">A1 Mini</option>
                </optgroup>
              </select>
            </div>
            <div>
              <label className="block text-sm text-bambu-gray mb-1">{t('printers.modal.locationGroup')}</label>
              <input
                type="text"
                className="w-full px-3 py-2 bg-bambu-dark border border-bambu-dark-tertiary rounded-lg text-white focus:border-bambu-green focus:outline-none"
                value={form.location || ''}
                onChange={(e) => setForm({ ...form, location: e.target.value })}
                placeholder={t('printers.modal.locationPlaceholder')}
              />
              <p className="text-xs text-bambu-gray mt-1">{t('printers.locationHelp')}</p>
            </div>
            <div className="flex items-center gap-2">
              <input
                type="checkbox"
                id="auto_archive"
                checked={form.auto_archive}
                onChange={(e) => setForm({ ...form, auto_archive: e.target.checked })}
                className="rounded border-bambu-dark-tertiary bg-bambu-dark text-bambu-green focus:ring-bambu-green"
              />
              <label htmlFor="auto_archive" className="text-sm text-bambu-gray">
                {t('printers.modal.autoArchiveLabel')}
              </label>
            </div>
            <div className="flex gap-3 pt-4">
              <Button type="button" variant="secondary" onClick={onClose} className="flex-1">
                {t('common.cancel')}
              </Button>
              <Button type="submit" className="flex-1">
                {t('printers.addPrinter')}
              </Button>
            </div>
          </form>
        </CardContent>
      </Card>
    </div>
  );
}

function FirmwareUpdateModal({
  printer,
  firmwareInfo,
  onClose,
}: {
  printer: Printer;
  firmwareInfo: FirmwareUpdateInfo;
  onClose: () => void;
}) {
  const { t } = useTranslation();
  const queryClient = useQueryClient();
  const { showToast } = useToast();
  const { hasPermission } = useAuth();
  const canUpdate = hasPermission('firmware:update');
  const [uploadStatus, setUploadStatus] = useState<FirmwareUploadStatus | null>(null);
  const [isUploading, setIsUploading] = useState(false);
  const [pollInterval, setPollInterval] = useState<NodeJS.Timeout | null>(null);

  // Prepare check query (only when update available and user can update)
  const { data: prepareInfo, isLoading: isPreparing } = useQuery({
    queryKey: ['firmwarePrepare', printer.id],
    queryFn: () => firmwareApi.prepareUpload(printer.id),
    staleTime: 30000,
    enabled: firmwareInfo.update_available && canUpdate,
  });

  // Start upload mutation
  const uploadMutation = useMutation({
    mutationFn: () => firmwareApi.startUpload(printer.id),
    onSuccess: () => {
      setIsUploading(true);
      // Start polling for status
      const interval = setInterval(async () => {
        try {
          const status = await firmwareApi.getUploadStatus(printer.id);
          setUploadStatus(status);
          if (status.status === 'complete' || status.status === 'error') {
            clearInterval(interval);
            setPollInterval(null);
            setIsUploading(false);
            if (status.status === 'complete') {
              showToast(t('printers.firmwareModal.uploadedToast'), 'success');
              queryClient.invalidateQueries({ queryKey: ['firmwareUpdate', printer.id] });
            }
          }
        } catch {
          // Ignore errors during polling
        }
      }, 2000);
      setPollInterval(interval);
    },
    onError: (error: Error) => {
      showToast(t('printers.firmwareModal.uploadFailed', { error: error.message }), 'error');
      setIsUploading(false);
    },
  });

  // Cleanup on unmount
  useEffect(() => {
    return () => {
      if (pollInterval) clearInterval(pollInterval);
    };
  }, [pollInterval]);

  const handleStartUpload = () => {
    setUploadStatus(null);
    uploadMutation.mutate();
  };

  return (
    <div className="fixed inset-0 bg-black/50 flex items-center justify-center z-50">
      <Card className="w-full max-w-md mx-4">
        <CardContent>
          <div className="flex items-start gap-3 mb-4">
            <div className={`p-2 rounded-full ${firmwareInfo.update_available ? 'bg-orange-500/20' : 'bg-status-ok/20'}`}>
              {firmwareInfo.update_available
                ? <Download className="w-5 h-5 text-orange-400" />
                : <CheckCircle className="w-5 h-5 text-status-ok" />}
            </div>
            <div className="flex-1">
              <h3 className="text-lg font-semibold text-white">
                {firmwareInfo.update_available ? t('printers.firmwareModal.title') : t('printers.firmwareModal.titleUpToDate')}
              </h3>
              <p className="text-sm text-bambu-gray mt-1">
                {printer.name}
              </p>
            </div>
          </div>

          {/* Version Info */}
          <div className="bg-bambu-dark rounded-lg p-3 mb-4">
            <div className="flex justify-between items-center text-sm">
              <span className="text-bambu-gray">{t('printers.firmwareModal.currentVersion')}</span>
              <span className={`font-mono ${firmwareInfo.update_available ? 'text-white' : 'text-status-ok'}`}>
                {firmwareInfo.current_version || t('common.unknown')}
              </span>
            </div>
            {firmwareInfo.update_available && (
              <div className="flex justify-between items-center text-sm mt-1">
                <span className="text-bambu-gray">{t('printers.firmwareModal.latestVersion')}</span>
                <span className="text-orange-400 font-mono">{firmwareInfo.latest_version}</span>
              </div>
            )}
            {firmwareInfo.release_notes && (
              <details className="mt-3 text-sm" open={!firmwareInfo.update_available}>
                <summary className={`cursor-pointer hover:underline ${firmwareInfo.update_available ? 'text-orange-400' : 'text-status-ok'}`}>
                  {t('printers.firmwareModal.releaseNotes')}
                </summary>
                <div className="mt-2 text-bambu-gray text-xs max-h-40 overflow-y-auto whitespace-pre-wrap">
                  {firmwareInfo.release_notes}
                </div>
              </details>
            )}
          </div>

          {/* Status / Progress (only when update available) */}
          {!firmwareInfo.update_available ? null : isPreparing ? (
            <div className="flex items-center gap-2 text-bambu-gray text-sm mb-4">
              <Loader2 className="w-4 h-4 animate-spin" />
              {t('printers.firmwareModal.checkingPrereqs')}
            </div>
          ) : prepareInfo && !isUploading && !uploadStatus ? (
            <div className="mb-4">
              {prepareInfo.can_proceed ? (
                <div className="flex items-center gap-2 text-bambu-green text-sm">
                  <Box className="w-4 h-4" />
                  {t('printers.firmwareModal.sdCardReady')}
                </div>
              ) : (
                <div className="space-y-1">
                  {prepareInfo.errors.map((error, i) => (
                    <div key={i} className="flex items-center gap-2 text-red-400 text-sm">
                      <AlertCircle className="w-4 h-4 flex-shrink-0" />
                      {error}
                    </div>
                  ))}
                </div>
              )}
            </div>
          ) : null}

          {/* Upload Progress */}
          {(isUploading || uploadStatus) && uploadStatus && (
            <div className="mb-4">
              <div className="flex items-center justify-between text-sm mb-1">
                <span className="text-bambu-gray capitalize">{uploadStatus.status}</span>
                <span className="text-white">{uploadStatus.progress}%</span>
              </div>
              <div className="w-full bg-bambu-dark-tertiary rounded-full h-2">
                <div
                  className={`h-2 rounded-full transition-all ${
                    uploadStatus.status === 'error' ? 'bg-status-error' :
                    uploadStatus.status === 'complete' ? 'bg-status-ok' : 'bg-orange-500'
                  } ${uploadStatus.status === 'uploading' ? 'animate-pulse' : ''}`}
                  style={{ width: `${uploadStatus.progress}%` }}
                />
              </div>
              <p className="text-xs text-bambu-gray mt-1">{uploadStatus.message}</p>
              {uploadStatus.error && (
                <p className="text-xs text-red-400 mt-1">{uploadStatus.error}</p>
              )}
            </div>
          )}

          {/* Success Message */}
          {uploadStatus?.status === 'complete' && (
            <div className="bg-bambu-green/10 border border-bambu-green/30 rounded-lg p-3 mb-4">
              <p className="text-sm text-bambu-green font-medium mb-2">
                {t('printers.firmwareModal.uploadedSuccess')}
              </p>
              <p className="text-xs text-bambu-gray">
                {t('printers.firmwareModal.applyInstructions')}
              </p>
              <ol className="text-xs text-bambu-gray mt-1 list-decimal list-inside space-y-1">
                <li dangerouslySetInnerHTML={{ __html: t('printers.firmwareModal.step1') }} />
                <li dangerouslySetInnerHTML={{ __html: t('printers.firmwareModal.step2') }} />
                <li dangerouslySetInnerHTML={{ __html: t('printers.firmwareModal.step3') }} />
                <li>{t('printers.firmwareModal.step4')}</li>
              </ol>
            </div>
          )}

          {/* Buttons */}
          <div className="flex gap-2 justify-end">
            <Button variant="secondary" onClick={onClose}>
              {uploadStatus?.status === 'complete' ? t('printers.firmwareModal.done') : t('common.cancel')}
            </Button>
            {prepareInfo?.can_proceed && !isUploading && uploadStatus?.status !== 'complete' && canUpdate && (
              <Button
                onClick={handleStartUpload}
                disabled={uploadMutation.isPending}
              >
                {uploadMutation.isPending ? (
                  <>
                    <Loader2 className="w-4 h-4 animate-spin mr-2" />
                    {t('printers.firmwareModal.starting')}
                  </>
                ) : (
                  <>
                    <Download className="w-4 h-4 mr-2" />
                    {t('printers.firmwareModal.uploadFirmware')}
                  </>
                )}
              </Button>
            )}
          </div>
        </CardContent>
      </Card>
    </div>
  );
}

function EditPrinterModal({
  printer,
  onClose,
}: {
  printer: Printer;
  onClose: () => void;
}) {
  const { t } = useTranslation();
  const queryClient = useQueryClient();
  const { showToast } = useToast();
  const [form, setForm] = useState({
    name: printer.name,
    ip_address: printer.ip_address,
    access_code: '',
    model: printer.model || '',
    location: printer.location || '',
    auto_archive: printer.auto_archive,
  });

  const updateMutation = useMutation({
    mutationFn: (data: Partial<PrinterCreate>) => api.updatePrinter(printer.id, data),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['printers'] });
      queryClient.invalidateQueries({ queryKey: ['printerStatus', printer.id] });
      onClose();
    },
    onError: (error: Error) => showToast(error.message || t('printers.toast.failedToUpdate'), 'error'),
  });

  // Close on Escape key
  useEffect(() => {
    const handleKeyDown = (e: KeyboardEvent) => {
      if (e.key === 'Escape') onClose();
    };
    window.addEventListener('keydown', handleKeyDown);
    return () => window.removeEventListener('keydown', handleKeyDown);
  }, [onClose]);

  const handleSubmit = (e: React.FormEvent) => {
    e.preventDefault();
    const data: Partial<PrinterCreate> = {
      name: form.name,
      ip_address: form.ip_address,
      model: form.model || undefined,
      location: form.location || undefined,
      auto_archive: form.auto_archive,
    };
    // Only include access_code if it was changed
    if (form.access_code) {
      data.access_code = form.access_code;
    }
    updateMutation.mutate(data);
  };

  return (
    <div
      className="fixed inset-0 bg-black/50 flex items-center justify-center z-50"
      onClick={onClose}
    >
      <Card className="w-full max-w-md" onClick={(e: React.MouseEvent) => e.stopPropagation()}>
        <CardContent>
          <h2 className="text-xl font-semibold mb-4">{t('printers.editPrinter')}</h2>
          <form onSubmit={handleSubmit} className="space-y-4">
            <div>
              <label className="block text-sm text-bambu-gray mb-1">{t('printers.name')}</label>
              <input
                type="text"
                required
                className="w-full px-3 py-2 bg-bambu-dark border border-bambu-dark-tertiary rounded-lg text-white focus:border-bambu-green focus:outline-none"
                value={form.name}
                onChange={(e) => setForm({ ...form, name: e.target.value })}
                placeholder={t('printers.modal.myPrinter')}
              />
            </div>
            <div>
              <label className="block text-sm text-bambu-gray mb-1">{t('printers.ipAddress')}</label>
              <input
                type="text"
                required
                pattern="(\d{1,3}(\.\d{1,3}){3}|[a-zA-Z0-9]([a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])?(\.[a-zA-Z0-9]([a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])?)*)"
                className="w-full px-3 py-2 bg-bambu-dark border border-bambu-dark-tertiary rounded-lg text-white focus:border-bambu-green focus:outline-none"
                value={form.ip_address}
                onChange={(e) => setForm({ ...form, ip_address: e.target.value })}
                placeholder="192.168.1.100 or printer.local"
              />
            </div>
            <div>
              <label className="block text-sm text-bambu-gray mb-1">{t('printers.serialNumber')}</label>
              <input
                type="text"
                disabled
                className="w-full px-3 py-2 bg-bambu-dark border border-bambu-dark-tertiary rounded-lg text-bambu-gray cursor-not-allowed"
                value={printer.serial_number}
              />
              <p className="text-xs text-bambu-gray mt-1">{t('printers.serialCannotBeChanged')}</p>
            </div>
            <div>
              <label className="block text-sm text-bambu-gray mb-1">{t('printers.accessCode')}</label>
              <input
                type="password"
                className="w-full px-3 py-2 bg-bambu-dark border border-bambu-dark-tertiary rounded-lg text-white focus:border-bambu-green focus:outline-none"
                value={form.access_code}
                onChange={(e) => setForm({ ...form, access_code: e.target.value })}
                placeholder={t('printers.accessCodePlaceholder')}
              />
            </div>
            <div>
              <label className="block text-sm text-bambu-gray mb-1">{t('printers.model')}</label>
              <select
                className="w-full px-3 py-2 bg-bambu-dark border border-bambu-dark-tertiary rounded-lg text-white focus:border-bambu-green focus:outline-none"
                value={form.model}
                onChange={(e) => setForm({ ...form, model: e.target.value })}
              >
                <option value="">{t('printers.modal.selectModel')}</option>
                <optgroup label="H2 Series">
                  <option value="H2C">H2C</option>
                  <option value="H2D">H2D</option>
                  <option value="H2D Pro">H2D Pro</option>
                  <option value="H2S">H2S</option>
                </optgroup>
                <optgroup label="X1 Series">
                  <option value="X1E">X1E</option>
                  <option value="X1C">X1 Carbon</option>
                  <option value="X1">X1</option>
                </optgroup>
                <optgroup label="P Series">
                  <option value="P2S">P2S</option>
                  <option value="P1S">P1S</option>
                  <option value="P1P">P1P</option>
                </optgroup>
                <optgroup label="A1 Series">
                  <option value="A1">A1</option>
                  <option value="A1 Mini">A1 Mini</option>
                </optgroup>
              </select>
            </div>
            <div>
              <label className="block text-sm text-bambu-gray mb-1">Location / Group</label>
              <input
                type="text"
                className="w-full px-3 py-2 bg-bambu-dark border border-bambu-dark-tertiary rounded-lg text-white focus:border-bambu-green focus:outline-none"
                value={form.location}
                onChange={(e) => setForm({ ...form, location: e.target.value })}
                placeholder={t('printers.modal.locationPlaceholder')}
              />
              <p className="text-xs text-bambu-gray mt-1">{t('printers.locationHelp')}</p>
            </div>
            <div className="flex items-center gap-2">
              <input
                type="checkbox"
                id="edit_auto_archive"
                checked={form.auto_archive}
                onChange={(e) => setForm({ ...form, auto_archive: e.target.checked })}
                className="rounded border-bambu-dark-tertiary bg-bambu-dark text-bambu-green focus:ring-bambu-green"
              />
              <label htmlFor="edit_auto_archive" className="text-sm text-bambu-gray">
                {t('printers.modal.autoArchiveLabel')}
              </label>
            </div>
            <div className="flex gap-3 pt-4">
              <Button type="button" variant="secondary" onClick={onClose} className="flex-1">
                {t('common.cancel')}
              </Button>
              <Button type="submit" className="flex-1" disabled={updateMutation.isPending}>
                {updateMutation.isPending ? t('common.saving') : t('printers.modal.saveChanges')}
              </Button>
            </div>
          </form>
        </CardContent>
      </Card>
    </div>
  );
}

// Component to check if a printer is offline (for power dropdown)
function usePrinterOfflineStatus(printerId: number) {
  const { data: status } = useQuery({
    queryKey: ['printerStatus', printerId],
    queryFn: () => api.getPrinterStatus(printerId),
    refetchInterval: 30000,
  });
  return !status?.connected;
}

// Power dropdown item for an offline printer
function PowerDropdownItem({
  printer,
  plug,
  onPowerOn,
  isPowering,
}: {
  printer: Printer;
  plug: { id: number; name: string };
  onPowerOn: (plugId: number) => void;
  isPowering: boolean;
}) {
  const isOffline = usePrinterOfflineStatus(printer.id);

  // Fetch plug status
  const { data: plugStatus } = useQuery({
    queryKey: ['smartPlugStatus', plug.id],
    queryFn: () => api.getSmartPlugStatus(plug.id),
    refetchInterval: 10000,
  });

  // Only show if printer is offline
  if (!isOffline) {
    return null;
  }

  return (
    <div className="flex items-center justify-between px-3 py-2 hover:bg-gray-100 dark:hover:bg-bambu-dark-tertiary">
      <div className="flex items-center gap-2 min-w-0">
        <span className="text-sm text-gray-900 dark:text-white truncate">{printer.name}</span>
        {plugStatus && (
          <span
            className={`text-xs px-1.5 py-0.5 rounded ${
              plugStatus.state === 'ON'
                ? 'bg-bambu-green/20 text-bambu-green'
                : 'bg-red-500/20 text-red-400'
            }`}
          >
            {plugStatus.state || '?'}
          </span>
        )}
      </div>
      <button
        onClick={() => onPowerOn(plug.id)}
        disabled={isPowering || plugStatus?.state === 'ON'}
        className={`px-2 py-1 text-xs rounded transition-colors flex items-center gap-1 ${
          plugStatus?.state === 'ON'
            ? 'bg-bambu-green/20 text-bambu-green cursor-default'
            : 'bg-bambu-green/20 text-bambu-green hover:bg-bambu-green hover:text-white'
        }`}
      >
        <Power className="w-3 h-3" />
        {isPowering ? '...' : 'On'}
      </button>
    </div>
  );
}

export function PrintersPage() {
  const { t } = useTranslation();
  const [showAddModal, setShowAddModal] = useState(false);
  const [hideDisconnected, setHideDisconnected] = useState(() => {
    return localStorage.getItem('hideDisconnectedPrinters') === 'true';
  });
  const [showPowerDropdown, setShowPowerDropdown] = useState(false);
  const [poweringOn, setPoweringOn] = useState<number | null>(null);
  const [sortBy, setSortBy] = useState<SortOption>(() => {
    return (localStorage.getItem('printerSortBy') as SortOption) || 'name';
  });
  const [sortAsc, setSortAsc] = useState<boolean>(() => {
    return localStorage.getItem('printerSortAsc') !== 'false';
  });
  // Card size: 1=small, 2=medium, 3=large, 4=xl
  const [cardSize, setCardSize] = useState<number>(() => {
    const saved = localStorage.getItem('printerCardSize');
    return saved ? parseInt(saved, 10) : 2; // Default to medium
  });
  // Derive viewMode from cardSize: S=compact, M/L/XL=expanded
  const viewMode: ViewMode = cardSize === 1 ? 'compact' : 'expanded';
  const queryClient = useQueryClient();
  const { showToast } = useToast();
  const { hasPermission } = useAuth();
  // Embedded camera viewer state - supports multiple simultaneous viewers
  // Persisted to localStorage so cameras reopen after navigation
  const [embeddedCameraPrinters, setEmbeddedCameraPrinters] = useState<Map<number, { id: number; name: string }>>(() => {
    // Initialize from localStorage if camera_view_mode is embedded
    const saved = localStorage.getItem('openEmbeddedCameras');
    if (saved) {
      try {
        const cameras = JSON.parse(saved) as Array<{ id: number; name: string }>;
        return new Map(cameras.map(c => [c.id, c]));
      } catch {
        return new Map();
      }
    }
    return new Map();
  });

  // Persist open cameras to localStorage when they change
  useEffect(() => {
    const cameras = Array.from(embeddedCameraPrinters.values());
    if (cameras.length > 0) {
      localStorage.setItem('openEmbeddedCameras', JSON.stringify(cameras));
    } else {
      localStorage.removeItem('openEmbeddedCameras');
    }
  }, [embeddedCameraPrinters]);

  const { data: printers, isLoading } = useQuery({
    queryKey: ['printers'],
    queryFn: api.getPrinters,
  });

  // Fetch app settings for AMS thresholds
  const { data: settings } = useQuery({
    queryKey: ['settings'],
    queryFn: api.getSettings,
  });

  // Compute drying presets: user-configured (from settings) merged over built-in defaults
  const effectiveDryingPresets = useMemo(() => {
    if (settings?.drying_presets) {
      try {
        const userPresets = JSON.parse(settings.drying_presets);
        if (typeof userPresets === 'object' && userPresets !== null && Object.keys(userPresets).length > 0) {
          return { ...DRYING_PRESETS, ...userPresets };
        }
      } catch { /* ignore parse errors, use defaults */ }
    }
    return DRYING_PRESETS;
  }, [settings?.drying_presets]);

  // Close embedded cameras if mode changes to 'window'
  useEffect(() => {
    if (settings?.camera_view_mode === 'window' && embeddedCameraPrinters.size > 0) {
      setEmbeddedCameraPrinters(new Map());
    }
  }, [settings?.camera_view_mode, embeddedCameraPrinters.size]);

  // Fetch all smart plugs to know which printers have them
  const { data: smartPlugs } = useQuery({
    queryKey: ['smart-plugs'],
    queryFn: api.getSmartPlugs,
  });

  // Fetch maintenance overview for all printers to show badges
  const { data: maintenanceOverview } = useQuery({
    queryKey: ['maintenanceOverview'],
    queryFn: api.getMaintenanceOverview,
    staleTime: 60 * 1000, // 1 minute
  });

  // Fetch Spoolman status to enable link spool feature
  const { data: spoolmanStatus } = useQuery({
    queryKey: ['spoolman-status'],
    queryFn: api.getSpoolmanStatus,
    staleTime: 60 * 1000, // 1 minute
  });
  const spoolmanEnabled = spoolmanStatus?.enabled && spoolmanStatus?.connected;

  // Fetch Spoolman settings to get sync mode
  const { data: spoolmanSettings } = useQuery({
    queryKey: ['spoolman-settings'],
    queryFn: api.getSpoolmanSettings,
    enabled: !!spoolmanEnabled,
    staleTime: 60 * 1000, // 1 minute
  });
  const spoolmanSyncMode = spoolmanSettings?.spoolman_sync_mode;

  // Fetch unlinked spools to know if link button should be enabled
  const { data: unlinkedSpools } = useQuery({
    queryKey: ['unlinked-spools'],
    queryFn: api.getUnlinkedSpools,
    enabled: !!spoolmanEnabled,
    staleTime: 30 * 1000, // 30 seconds
  });
  const hasUnlinkedSpools = unlinkedSpools && unlinkedSpools.length > 0;

  // Fetch linked spools map (tag -> spool_id) to know which spools are already in Spoolman
  const { data: linkedSpoolsData } = useQuery({
    queryKey: ['linked-spools'],
    queryFn: api.getLinkedSpools,
    enabled: !!spoolmanEnabled,
    staleTime: 30 * 1000, // 30 seconds
  });
  const linkedSpools = linkedSpoolsData?.linked;

  // Fetch spool assignments for inventory feature
  const { data: spoolAssignments } = useQuery({
    queryKey: ['spool-assignments'],
    queryFn: () => api.getAssignments(),
    enabled: hasPermission('inventory:view_assignments'),
    staleTime: 30 * 1000,
  });

  const unassignMutation = useMutation({
    mutationFn: ({ printerId, amsId, trayId }: { printerId: number; amsId: number; trayId: number }) =>
      api.unassignSpool(printerId, amsId, trayId),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['spool-assignments'] });
    },
  });

  // Helper to find assignment for a specific slot
  const getAssignment = (printerId: number, amsId: number | string, trayId: number | string): SpoolAssignment | undefined => {
    return spoolAssignments?.find(
      (a) => a.printer_id === printerId && a.ams_id === Number(amsId) && a.tray_id === Number(trayId)
    );
  };

  // Create a map of printer_id -> maintenance info for quick lookup
  const maintenanceByPrinter = maintenanceOverview?.reduce(
    (acc, overview) => {
      acc[overview.printer_id] = {
        due_count: overview.due_count,
        warning_count: overview.warning_count,
        total_print_hours: overview.total_print_hours,
      };
      return acc;
    },
    {} as Record<number, PrinterMaintenanceInfo>
  ) || {};

  // Create a map of printer_id -> smart plug
  const smartPlugByPrinter = smartPlugs?.reduce(
    (acc, plug) => {
      if (plug.printer_id) {
        acc[plug.printer_id] = plug;
      }
      return acc;
    },
    {} as Record<number, typeof smartPlugs[0]>
  ) || {};

  const addMutation = useMutation({
    mutationFn: api.createPrinter,
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['printers'] });
      queryClient.invalidateQueries({ queryKey: ['maintenanceOverview'] });
      setShowAddModal(false);
    },
    onError: (error: Error) => showToast(error.message || t('printers.toast.failedToAdd'), 'error'),
  });

  const powerOnMutation = useMutation({
    mutationFn: (plugId: number) => api.controlSmartPlug(plugId, 'on'),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['smart-plugs'] });
      setPoweringOn(null);
    },
    onError: () => {
      setPoweringOn(null);
    },
  });

  // Bulk selection state
  const [selectedPrinterIds, setSelectedPrinterIds] = useState<Set<number>>(new Set());
  const [isSelectionMode, setIsSelectionMode] = useState(false);
  const [bulkConfirmAction, setBulkConfirmAction] = useState<'stop' | 'pause' | 'clearPlate' | null>(null);
  const [bulkActionPending, setBulkActionPending] = useState(false);
  const selectionMode = isSelectionMode || selectedPrinterIds.size > 0;

  const toggleSelect = useCallback((id: number) => {
    setSelectedPrinterIds(prev => {
      const next = new Set(prev);
      if (next.has(id)) next.delete(id);
      else next.add(id);
      return next;
    });
  }, []);

  const clearSelection = useCallback(() => {
    setSelectedPrinterIds(new Set());
    setIsSelectionMode(false);
  }, []);

  // Escape key exits selection mode
  useEffect(() => {
    const handleKeyDown = (e: KeyboardEvent) => {
      if (e.key === 'Escape' && selectionMode) {
        clearSelection();
      }
    };
    window.addEventListener('keydown', handleKeyDown);
    return () => window.removeEventListener('keydown', handleKeyDown);
  }, [selectionMode, clearSelection]);

  const executeBulkAction = useCallback(async (action: 'stop' | 'pause' | 'resume' | 'clearPlate' | 'clearHMS') => {
    setBulkActionPending(true);
    const ids = Array.from(selectedPrinterIds);

    // Filter to only applicable printers based on cached state
    const applicableIds = ids.filter(id => {
      const status = queryClient.getQueryData<{ connected: boolean; state: string | null; hms_errors?: HMSError[] }>(['printerStatus', id]);
      if (!status?.connected) return false;
      switch (action) {
        case 'stop': return status.state === 'RUNNING' || status.state === 'PAUSE';
        case 'pause': return status.state === 'RUNNING';
        case 'resume': return status.state === 'PAUSE';
        case 'clearPlate': return (status.state === 'FINISH' || status.state === 'FAILED') && !(status as { plate_cleared?: boolean }).plate_cleared;
        case 'clearHMS': return status.hms_errors && filterKnownHMSErrors(status.hms_errors).length > 0;
        default: return false;
      }
    });

    if (applicableIds.length === 0) {
      showToast(t('printers.bulk.noneApplicable'), 'error');
      setBulkActionPending(false);
      setBulkConfirmAction(null);
      return;
    }

    const apiCall = {
      stop: api.stopPrint,
      pause: api.pausePrint,
      resume: api.resumePrint,
      clearPlate: api.clearPlate,
      clearHMS: api.clearHMSErrors,
    }[action];

    const results = await Promise.allSettled(
      applicableIds.map(id => apiCall(id))
    );

    const succeeded = results.filter(r => r.status === 'fulfilled').length;
    const failed = results.filter(r => r.status === 'rejected').length;

    if (failed === 0) {
      showToast(t('printers.bulk.success', { action: t(`printers.bulk.actions.${action}`), count: succeeded }));
    } else {
      showToast(t('printers.bulk.partial', { succeeded, failed }), 'error');
    }

    // Invalidate status queries for affected printers
    applicableIds.forEach(id => {
      queryClient.invalidateQueries({ queryKey: ['printerStatus', id] });
    });

    setBulkActionPending(false);
    setBulkConfirmAction(null);
  }, [selectedPrinterIds, queryClient, showToast, t]);

  const handleBulkAction = useCallback((action: 'stop' | 'pause' | 'resume' | 'clearPlate' | 'clearHMS') => {
    // Actions that need confirmation
    if (action === 'stop' || action === 'pause' || action === 'clearPlate') {
      setBulkConfirmAction(action);
    } else {
      executeBulkAction(action);
    }
  }, [executeBulkAction]);

  const toggleHideDisconnected = () => {
    const newValue = !hideDisconnected;
    setHideDisconnected(newValue);
    localStorage.setItem('hideDisconnectedPrinters', String(newValue));
  };

  const handleSortChange = (newSort: SortOption) => {
    setSortBy(newSort);
    localStorage.setItem('printerSortBy', newSort);
  };

  const toggleSortDirection = () => {
    const newAsc = !sortAsc;
    setSortAsc(newAsc);
    localStorage.setItem('printerSortAsc', String(newAsc));
  };

  // Grid classes based on card size (1=small, 2=medium, 3=large, 4=xl)
  const getGridClasses = () => {
    switch (cardSize) {
      case 1: return 'grid-cols-1 sm:grid-cols-2 md:grid-cols-3 lg:grid-cols-4 xl:grid-cols-5'; // S: many small cards
      case 2: return 'grid-cols-1 md:grid-cols-2 xl:grid-cols-3'; // M: medium cards
      case 3: return 'grid-cols-1 lg:grid-cols-2'; // L: large cards, 2 columns max
      case 4: return 'grid-cols-1'; // XL: single column, full width
      default: return 'grid-cols-1 md:grid-cols-2 xl:grid-cols-3';
    }
  };

  const cardSizeLabels = ['S', 'M', 'L', 'XL'];

  // Sort printers based on selected option
  const sortedPrinters = useMemo(() => {
    if (!printers) return [];
    const sorted = [...printers];

    switch (sortBy) {
      case 'name':
        sorted.sort((a, b) => a.name.localeCompare(b.name));
        break;
      case 'model':
        sorted.sort((a, b) => (a.model || '').localeCompare(b.model || ''));
        break;
      case 'location':
        // Sort by location, with ungrouped printers last
        sorted.sort((a, b) => {
          const locA = a.location || '';
          const locB = b.location || '';
          if (!locA && locB) return 1;
          if (locA && !locB) return -1;
          return locA.localeCompare(locB) || a.name.localeCompare(b.name);
        });
        break;
      case 'status':
        // Sort by status: HMS errors > printing > idle > offline
        sorted.sort((a, b) => {
          const statusA = queryClient.getQueryData<{ connected: boolean; state: string | null; hms_errors?: HMSError[] }>(['printerStatus', a.id]);
          const statusB = queryClient.getQueryData<{ connected: boolean; state: string | null; hms_errors?: HMSError[] }>(['printerStatus', b.id]);

          const getPriority = (s: typeof statusA) => {
            if (!s?.connected) return 3; // offline
            const hmsErrors = s.hms_errors ? filterKnownHMSErrors(s.hms_errors) : [];
            if (hmsErrors.length > 0) return 0; // HMS errors - top priority
            if (s.state === 'RUNNING') return 1; // printing
            return 2; // idle
          };

          return getPriority(statusA) - getPriority(statusB);
        });
        break;
    }

    // Apply ascending/descending
    if (!sortAsc) {
      sorted.reverse();
    }

    return sorted;
  }, [printers, sortBy, sortAsc, queryClient]);

  const selectAll = useCallback(() => {
    setSelectedPrinterIds(new Set(sortedPrinters.map(p => p.id)));
    setIsSelectionMode(true);
  }, [sortedPrinters]);

  const selectByState = useCallback((state: PrinterState) => {
    setSelectedPrinterIds(prev => {
      const next = new Set(prev);
      sortedPrinters.forEach(p => {
        const status = queryClient.getQueryData<{ connected: boolean; state: string | null; hms_errors?: HMSError[] }>(['printerStatus', p.id]);
        if (!status) return;
        switch (state) {
          case 'printing': if (status.connected && status.state === 'RUNNING') next.add(p.id); break;
          case 'paused': if (status.connected && status.state === 'PAUSE') next.add(p.id); break;
          case 'finished': if (status.connected && status.state === 'FINISH') next.add(p.id); break;
          case 'idle': if (status.connected && status.state !== 'RUNNING' && status.state !== 'PAUSE' && status.state !== 'FINISH' && status.state !== 'FAILED') next.add(p.id); break;
          case 'error': if (status.connected && (status.state === 'FAILED' || (status.hms_errors && filterKnownHMSErrors(status.hms_errors).length > 0))) next.add(p.id); break;
          case 'offline': if (!status.connected) next.add(p.id); break;
        }
      });
      return next;
    });
    setIsSelectionMode(true);
  }, [sortedPrinters, queryClient]);

  const selectByLocation = useCallback((location: string) => {
    setSelectedPrinterIds(prev => {
      const next = new Set(prev);
      sortedPrinters.filter(p => (p.location || '') === location).forEach(p => next.add(p.id));
      return next;
    });
    setIsSelectionMode(true);
  }, [sortedPrinters]);

  // Group printers by location when sorted by location
  const groupedPrinters = useMemo(() => {
    if (sortBy !== 'location') return null;

    const groups: Record<string, typeof sortedPrinters> = {};
    sortedPrinters.forEach(printer => {
      const location = printer.location || 'Ungrouped';
      if (!groups[location]) groups[location] = [];
      groups[location].push(printer);
    });
    return groups;
  }, [sortBy, sortedPrinters]);

  return (
    <div className="p-4 md:p-8">
      <div className="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4 mb-6">
        <div>
          <h1 className="text-2xl font-bold text-white">{t('printers.title')}</h1>
          <StatusSummaryBar printers={printers} />
        </div>
        <div className="flex items-center gap-2 sm:gap-3 flex-wrap">
          {/* Sort dropdown */}
          <div className="flex items-center gap-1">
            <select
              value={sortBy}
              onChange={(e) => handleSortChange(e.target.value as SortOption)}
              className="text-sm bg-bambu-dark border border-bambu-dark-tertiary rounded-lg px-2 py-1.5 text-white focus:border-bambu-green focus:outline-none"
            >
              <option value="name">{t('printers.sort.name')}</option>
              <option value="status">{t('printers.sort.status')}</option>
              <option value="model">{t('printers.sort.model')}</option>
              <option value="location">{t('printers.sort.location')}</option>
            </select>
            <button
              onClick={toggleSortDirection}
              className="p-1.5 rounded-lg hover:bg-bambu-dark-tertiary transition-colors"
              title={sortAsc ? t('printers.sort.descending') : t('printers.sort.ascending')}
            >
              {sortAsc ? (
                <ArrowUp className="w-4 h-4 text-bambu-gray" />
              ) : (
                <ArrowDown className="w-4 h-4 text-bambu-gray" />
              )}
            </button>
          </div>

          {/* Card size selector */}
          <div className="flex items-center bg-bambu-dark rounded-lg border border-bambu-dark-tertiary">
            {cardSizeLabels.map((label, index) => {
              const size = index + 1;
              const isSelected = cardSize === size;
              return (
                <button
                  key={label}
                  onClick={() => {
                    setCardSize(size);
                    localStorage.setItem('printerCardSize', String(size));
                  }}
                  className={`px-2 py-1.5 text-xs font-medium transition-colors ${
                    index === 0 ? 'rounded-l-lg' : ''
                  } ${
                    index === cardSizeLabels.length - 1 ? 'rounded-r-lg' : ''
                  } ${
                    isSelected
                      ? 'bg-bambu-green text-white'
                      : 'text-bambu-gray hover:bg-bambu-dark-tertiary hover:text-white'
                  }`}
                  title={label === 'S' ? t('printers.cardSize.small') : label === 'M' ? t('printers.cardSize.medium') : label === 'L' ? t('printers.cardSize.large') : t('printers.cardSize.extraLarge')}
                >
                  {label}
                </button>
              );
            })}
          </div>

          {/* Bulk select toggle */}
          <button
            onClick={() => {
              if (selectionMode) clearSelection();
              else setIsSelectionMode(true);
            }}
            className={`p-1.5 rounded-lg transition-colors ${
              selectionMode
                ? 'bg-bambu-green text-white'
                : 'hover:bg-bambu-dark-tertiary text-bambu-gray hover:text-white'
            }`}
            title={t('printers.bulk.select')}
            disabled={!hasPermission('printers:control')}
          >
            <CheckSquare className="w-4 h-4" />
          </button>

          <div className="w-px h-6 bg-bambu-dark-tertiary" />

          <label className="flex items-center gap-2 text-sm text-bambu-gray cursor-pointer">
            <input
              type="checkbox"
              checked={hideDisconnected}
              onChange={toggleHideDisconnected}
              className="rounded border-bambu-dark-tertiary bg-bambu-dark text-bambu-green focus:ring-bambu-green"
            />
            {t('printers.hideOffline')}
          </label>
          {/* Power dropdown for offline printers with smart plugs */}
          {hideDisconnected && Object.keys(smartPlugByPrinter).length > 0 && (
            <div className="relative">
              <button
                onClick={() => setShowPowerDropdown(!showPowerDropdown)}
                className="flex items-center gap-1.5 px-3 py-1.5 text-sm bg-white dark:bg-bambu-dark-secondary border border-gray-200 dark:border-bambu-dark-tertiary rounded-lg text-gray-600 dark:text-bambu-gray hover:text-gray-900 dark:hover:text-white hover:border-bambu-green transition-colors"
              >
                <Power className="w-4 h-4" />
                {t('printers.powerOn')}
                <ChevronDown className={`w-3 h-3 transition-transform ${showPowerDropdown ? 'rotate-180' : ''}`} />
              </button>
              {showPowerDropdown && (
                <>
                  {/* Backdrop to close dropdown */}
                  <div
                    className="fixed inset-0 z-10"
                    onClick={() => setShowPowerDropdown(false)}
                  />
                  <div className="absolute right-0 mt-2 w-56 bg-white dark:bg-bambu-dark-secondary border border-gray-200 dark:border-bambu-dark-tertiary rounded-lg shadow-lg z-20 py-1">
                    <div className="px-3 py-2 text-xs text-gray-500 dark:text-bambu-gray border-b border-gray-200 dark:border-bambu-dark-tertiary">
                      {t('printers.offlinePrintersWithPlugs')}
                    </div>
                    {printers?.filter(p => smartPlugByPrinter[p.id]).map(printer => (
                      <PowerDropdownItem
                        key={printer.id}
                        printer={printer}
                        plug={smartPlugByPrinter[printer.id]}
                        onPowerOn={(plugId) => {
                          setPoweringOn(plugId);
                          powerOnMutation.mutate(plugId);
                        }}
                        isPowering={poweringOn === smartPlugByPrinter[printer.id]?.id}
                      />
                    ))}
                    {printers?.filter(p => smartPlugByPrinter[p.id]).length === 0 && (
                      <div className="px-3 py-2 text-sm text-bambu-gray">
                        No printers with smart plugs
                      </div>
                    )}
                  </div>
                </>
              )}
            </div>
          )}
          <Button
            onClick={() => setShowAddModal(true)}
            disabled={!hasPermission('printers:create')}
            title={!hasPermission('printers:create') ? t('printers.permission.noAdd') : undefined}
          >
            <Plus className="w-4 h-4" />
            {t('printers.addPrinter')}
          </Button>
        </div>
      </div>

      {isLoading ? (
        <div className="text-center py-12 text-bambu-gray">{t('common.loading')}</div>
      ) : printers?.length === 0 ? (
        <Card>
          <CardContent className="text-center py-12">
            <p className="text-bambu-gray mb-4">{t('printers.noPrintersConfigured')}</p>
            <Button
              onClick={() => setShowAddModal(true)}
              disabled={!hasPermission('printers:create')}
              title={!hasPermission('printers:create') ? t('printers.permission.noAdd') : undefined}
            >
              <Plus className="w-4 h-4" />
              {t('printers.addPrinter')}
            </Button>
          </CardContent>
        </Card>
      ) : groupedPrinters ? (
        /* Grouped by location view */
        <div className="space-y-6">
          {Object.entries(groupedPrinters).map(([location, locationPrinters]) => (
            <div key={location}>
              <h2 className="text-lg font-semibold text-white mb-3 flex items-center gap-2">
                <span className="w-2 h-2 rounded-full bg-bambu-green" />
                {location}
                <span className="text-sm font-normal text-bambu-gray">({locationPrinters.length})</span>
                {selectionMode && (
                  <button
                    onClick={() => selectByLocation(location === 'Ungrouped' ? '' : location)}
                    className="text-xs text-bambu-green hover:text-bambu-green-light transition-colors ml-1"
                  >
                    {t('printers.bulk.selectAll')}
                  </button>
                )}
              </h2>
              <div className={`grid gap-4 ${cardSize >= 3 ? 'gap-6' : ''} ${getGridClasses()}`}>
                {locationPrinters.map((printer) => (
                  <PrinterCard
                    key={printer.id}
                    printer={printer}
                    hideIfDisconnected={hideDisconnected}
                    maintenanceInfo={maintenanceByPrinter[printer.id]}
                    viewMode={viewMode}
                    cardSize={cardSize}
                    amsThresholds={settings ? {
                      humidityGood: Number(settings.ams_humidity_good) || 40,
                      humidityFair: Number(settings.ams_humidity_fair) || 60,
                      tempGood: Number(settings.ams_temp_good) || 28,
                      tempFair: Number(settings.ams_temp_fair) || 35,
                    } : undefined}
                    spoolmanEnabled={spoolmanEnabled}
                    hasUnlinkedSpools={hasUnlinkedSpools}
                    linkedSpools={linkedSpools}
                    spoolmanUrl={spoolmanStatus?.url}
                    spoolmanSyncMode={spoolmanSyncMode}
                    onGetAssignment={getAssignment}
                    onUnassignSpool={(pid, aid, tid) => unassignMutation.mutate({ printerId: pid, amsId: aid, trayId: tid })}
                    timeFormat={settings?.time_format || 'system'}
                    cameraViewMode={settings?.camera_view_mode || 'window'}
                    onOpenEmbeddedCamera={(id, name) => setEmbeddedCameraPrinters(prev => new Map(prev).set(id, { id, name }))}
                    checkPrinterFirmware={settings?.check_printer_firmware !== false}
                    dryingPresets={effectiveDryingPresets}
                    requirePlateClear={settings?.require_plate_clear !== false}
                    selectionMode={selectionMode}
                    isSelected={selectedPrinterIds.has(printer.id)}
                    onToggleSelect={toggleSelect}
                  />
                ))}
              </div>
            </div>
          ))}
        </div>
      ) : (
        /* Regular grid view */
        <div className={`grid gap-4 ${cardSize >= 3 ? 'gap-6' : ''} ${getGridClasses()}`}>
          {sortedPrinters.map((printer) => (
            <PrinterCard
              key={printer.id}
              printer={printer}
              hideIfDisconnected={hideDisconnected}
              maintenanceInfo={maintenanceByPrinter[printer.id]}
              viewMode={viewMode}
              cardSize={cardSize}
              spoolmanEnabled={spoolmanEnabled}
              hasUnlinkedSpools={hasUnlinkedSpools}
              linkedSpools={linkedSpools}
              spoolmanUrl={spoolmanStatus?.url}
              spoolmanSyncMode={spoolmanSyncMode}
              onGetAssignment={getAssignment}
              onUnassignSpool={(pid, aid, tid) => unassignMutation.mutate({ printerId: pid, amsId: aid, trayId: tid })}
              amsThresholds={settings ? {
                humidityGood: Number(settings.ams_humidity_good) || 40,
                humidityFair: Number(settings.ams_humidity_fair) || 60,
                tempGood: Number(settings.ams_temp_good) || 28,
                tempFair: Number(settings.ams_temp_fair) || 35,
              } : undefined}
              timeFormat={settings?.time_format || 'system'}
              cameraViewMode={settings?.camera_view_mode || 'window'}
              onOpenEmbeddedCamera={(id, name) => setEmbeddedCameraPrinters(prev => new Map(prev).set(id, { id, name }))}
              checkPrinterFirmware={settings?.check_printer_firmware !== false}
              dryingPresets={effectiveDryingPresets}
              requirePlateClear={settings?.require_plate_clear !== false}
              selectionMode={selectionMode}
              isSelected={selectedPrinterIds.has(printer.id)}
              onToggleSelect={toggleSelect}
            />
          ))}
        </div>
      )}

      {showAddModal && (
        <AddPrinterModal
          onClose={() => setShowAddModal(false)}
          onAdd={(data) => addMutation.mutate(data)}
          existingSerials={printers?.map(p => p.serial_number) || []}
        />
      )}

      {/* Bulk selection toolbar */}
      {selectionMode && printers && (
        <BulkPrinterToolbar
          selectedIds={selectedPrinterIds}
          printers={printers}
          onClose={clearSelection}
          onSelectAll={selectAll}
          onSelectByLocation={selectByLocation}
          onSelectByState={selectByState}
          onAction={handleBulkAction}
          actionPending={bulkActionPending}
        />
      )}

      {/* Bulk action confirmation modals */}
      {bulkConfirmAction === 'stop' && (
        <ConfirmModal
          title={t('printers.bulk.confirm.stopTitle', { count: selectedPrinterIds.size })}
          message={t('printers.bulk.confirm.stopMessage', { count: selectedPrinterIds.size })}
          confirmText={t('printers.bulk.confirm.stopButton')}
          variant="danger"
          isLoading={bulkActionPending}
          onConfirm={() => executeBulkAction('stop')}
          onCancel={() => setBulkConfirmAction(null)}
        />
      )}
      {bulkConfirmAction === 'pause' && (
        <ConfirmModal
          title={t('printers.bulk.confirm.pauseTitle', { count: selectedPrinterIds.size })}
          message={t('printers.bulk.confirm.pauseMessage', { count: selectedPrinterIds.size })}
          confirmText={t('printers.bulk.confirm.pauseButton')}
          isLoading={bulkActionPending}
          onConfirm={() => executeBulkAction('pause')}
          onCancel={() => setBulkConfirmAction(null)}
        />
      )}
      {bulkConfirmAction === 'clearPlate' && (
        <ConfirmModal
          title={t('printers.bulk.confirm.clearPlateTitle', { count: selectedPrinterIds.size })}
          message={t('printers.bulk.confirm.clearPlateMessage', { count: selectedPrinterIds.size })}
          confirmText={t('printers.bulk.confirm.clearPlateButton')}
          isLoading={bulkActionPending}
          onConfirm={() => executeBulkAction('clearPlate')}
          onCancel={() => setBulkConfirmAction(null)}
        />
      )}

      {/* Embedded Camera Viewers - multiple viewers can be open simultaneously */}
      {Array.from(embeddedCameraPrinters.values()).map((camera, index) => (
        <EmbeddedCameraViewer
          key={camera.id}
          printerId={camera.id}
          printerName={camera.name}
          viewerIndex={index}
          onClose={() => setEmbeddedCameraPrinters(prev => {
            const next = new Map(prev);
            next.delete(camera.id);
            return next;
          })}
        />
      ))}
    </div>
  );
}