bambuddy/frontend/src/components/SpoolmanSettings.tsx

import { useState, useEffect } from 'react';
import { useTranslation } from 'react-i18next';
import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
import { Loader2, Check, X, RefreshCw, Link2, Link2Off, Database, ChevronDown, Info, AlertTriangle, Package, ExternalLink } from 'lucide-react';
import { api } from '../api/client';
import type { SpoolmanSyncResult, Printer } from '../api/client';
import { Card, CardContent, CardHeader } from './Card';
import { Button } from './Button';
import { ConfirmModal } from './ConfirmModal';
import { useToast } from '../contexts/ToastContext';

export function SpoolmanSettings() {
  const { t } = useTranslation();
  const queryClient = useQueryClient();
  const { showToast } = useToast();
  const [localEnabled, setLocalEnabled] = useState(false);
  const [localUrl, setLocalUrl] = useState('');
  const [localSyncMode, setLocalSyncMode] = useState('auto');
  const [localDisableWeightSync, setLocalDisableWeightSync] = useState(false);
  const [localReportPartialUsage, setLocalReportPartialUsage] = useState(true);
  const [selectedPrinterId, setSelectedPrinterId] = useState<number | 'all'>('all');
  const [isInitialized, setIsInitialized] = useState(false);
  const [showAllSkipped, setShowAllSkipped] = useState(false);
  const [showAmsSyncConfirm, setShowAmsSyncConfirm] = useState(false);

  // Fetch Spoolman settings
  const { data: settings, isLoading: settingsLoading } = useQuery({
    queryKey: ['spoolman-settings'],
    queryFn: api.getSpoolmanSettings,
  });

  // Fetch Spoolman status
  const { data: status, isLoading: statusLoading, refetch: refetchStatus } = useQuery({
    queryKey: ['spoolman-status'],
    queryFn: api.getSpoolmanStatus,
    refetchInterval: 30000, // Refresh every 30 seconds
  });

  // Fetch printers for the dropdown
  const { data: printers } = useQuery({
    queryKey: ['printers'],
    queryFn: api.getPrinters,
  });

  // Initialize local state from settings
  useEffect(() => {
    if (settings) {
      setLocalEnabled(settings.spoolman_enabled === 'true');
      setLocalUrl(settings.spoolman_url || '');
      setLocalSyncMode(settings.spoolman_sync_mode || 'auto');
      setLocalDisableWeightSync(settings.spoolman_disable_weight_sync === 'true');
      setLocalReportPartialUsage(settings.spoolman_report_partial_usage !== 'false');
      setIsInitialized(true);
    }
  }, [settings]);

  // Auto-save when settings change (after initial load)
  // Intentionally omit saveMutation and settings from deps to avoid infinite loops
  useEffect(() => {
    if (!isInitialized || !settings) return;

    const hasChanges =
      (settings.spoolman_enabled === 'true') !== localEnabled ||
      (settings.spoolman_url || '') !== localUrl ||
      (settings.spoolman_sync_mode || 'auto') !== localSyncMode ||
      (settings.spoolman_disable_weight_sync === 'true') !== localDisableWeightSync ||
      (settings.spoolman_report_partial_usage !== 'false') !== localReportPartialUsage;

    if (hasChanges) {
      const timeoutId = setTimeout(() => {
        saveMutation.mutate();
      }, 500);
      return () => clearTimeout(timeoutId);
    }
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [localEnabled, localUrl, localSyncMode, localDisableWeightSync, localReportPartialUsage, isInitialized]);

  // Save mutation
  const saveMutation = useMutation({
    mutationFn: () =>
      api.updateSpoolmanSettings({
        spoolman_enabled: localEnabled ? 'true' : 'false',
        spoolman_url: localUrl,
        spoolman_sync_mode: localSyncMode,
        spoolman_disable_weight_sync: localDisableWeightSync ? 'true' : 'false',
        spoolman_report_partial_usage: localReportPartialUsage ? 'true' : 'false',
      }),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['spoolman-settings'] });
      queryClient.invalidateQueries({ queryKey: ['spoolman-status'] });
      queryClient.invalidateQueries({ queryKey: ['spool-assignments'] });
      showToast(t('settings.toast.settingsSaved'));
    },
  });

  // Connect mutation
  const connectMutation = useMutation({
    mutationFn: api.connectSpoolman,
    onSuccess: () => {
      refetchStatus();
    },
  });

  // Disconnect mutation
  const disconnectMutation = useMutation({
    mutationFn: api.disconnectSpoolman,
    onSuccess: () => {
      refetchStatus();
    },
  });

  // Sync all mutation
  const syncAllMutation = useMutation({
    mutationFn: api.syncAllPrintersAms,
    onSuccess: (data: SpoolmanSyncResult) => {
      if (data.success) {
        // Show success message
      }
    },
  });

  // Sync single printer mutation
  const syncPrinterMutation = useMutation({
    mutationFn: (printerId: number) => api.syncPrinterAms(printerId),
    onSuccess: (data: SpoolmanSyncResult) => {
      if (data.success) {
        // Show success message
      }
    },
  });

  // Helper to handle sync based on selection
  const handleSync = () => {
    if (selectedPrinterId === 'all') {
      syncAllMutation.mutate();
    } else {
      syncPrinterMutation.mutate(selectedPrinterId);
    }
  };

  // Inventory AMS weight sync mutation
  const amsSyncMutation = useMutation({
    mutationFn: api.syncWeightsFromAms,
    onSuccess: (data) => {
      queryClient.invalidateQueries({ queryKey: ['spools'] });
      queryClient.invalidateQueries({ queryKey: ['inventory-spools'] });
      showToast(t('settings.amsSyncSuccess', { synced: data.synced, skipped: data.skipped }), 'success');
      setShowAmsSyncConfirm(false);
    },
    onError: () => {
      showToast(t('settings.amsSyncError'), 'error');
      setShowAmsSyncConfirm(false);
    },
  });

  // Combine mutation states
  const isSyncing = syncAllMutation.isPending || syncPrinterMutation.isPending;
  const syncResult = selectedPrinterId === 'all' ? syncAllMutation.data : syncPrinterMutation.data;
  const syncSuccess = selectedPrinterId === 'all' ? syncAllMutation.isSuccess : syncPrinterMutation.isSuccess;

  if (settingsLoading) {
    return (
      <Card>
        <CardHeader>
          <div className="flex items-center gap-2">
            <Database className="w-5 h-5 text-bambu-green" />
            <h2 className="text-lg font-semibold text-white">{t('settings.filamentTracking')}</h2>
          </div>
        </CardHeader>
        <CardContent>
          <div className="flex justify-center py-8">
            <Loader2 className="w-6 h-6 text-bambu-green animate-spin" />
          </div>
        </CardContent>
      </Card>
    );
  }

  return (
    <Card>
      <CardHeader>
        <div className="flex items-center justify-between">
          <div className="flex items-center gap-2">
            <Database className="w-5 h-5 text-bambu-green" />
            <h2 className="text-lg font-semibold text-white">{t('settings.filamentTracking')}</h2>
          </div>
          {saveMutation.isPending && (
            <Loader2 className="w-4 h-4 text-bambu-green animate-spin" />
          )}
        </div>
      </CardHeader>
      <CardContent className="space-y-4">
        <p className="text-sm text-bambu-gray">
          {t('settings.filamentTrackingDesc')}
        </p>

        {/* Mode selector cards */}
        <div className="grid grid-cols-2 gap-3">
          {/* Built-in Inventory */}
          <button
            type="button"
            onClick={() => setLocalEnabled(false)}
            className={`p-3 rounded-lg border-2 text-left transition-colors ${
              !localEnabled
                ? 'border-bambu-green bg-bambu-green/10'
                : 'border-bambu-dark-tertiary bg-bambu-dark hover:border-bambu-gray/50'
            }`}
          >
            <div className="flex items-center gap-2 mb-1.5">
              <Package className={`w-4 h-4 ${!localEnabled ? 'text-bambu-green' : 'text-bambu-gray'}`} />
              <span className={`text-sm font-medium ${!localEnabled ? 'text-white' : 'text-bambu-gray'}`}>
                {t('settings.trackingModeBuiltIn')}
              </span>
            </div>
            <p className={`text-xs ${!localEnabled ? 'text-bambu-gray' : 'text-bambu-gray/60'}`}>
              {t('settings.trackingModeBuiltInDesc')}
            </p>
            {!localEnabled && (
              <div className="flex items-center gap-1 mt-2">
                <Check className="w-3 h-3 text-bambu-green" />
                <span className="text-xs text-bambu-green">{t('common.enabled')}</span>
              </div>
            )}
          </button>

          {/* Spoolman */}
          <button
            type="button"
            onClick={() => setLocalEnabled(true)}
            className={`p-3 rounded-lg border-2 text-left transition-colors ${
              localEnabled
                ? 'border-bambu-green bg-bambu-green/10'
                : 'border-bambu-dark-tertiary bg-bambu-dark hover:border-bambu-gray/50'
            }`}
          >
            <div className="flex items-center gap-2 mb-1.5">
              <ExternalLink className={`w-4 h-4 ${localEnabled ? 'text-bambu-green' : 'text-bambu-gray'}`} />
              <span className={`text-sm font-medium ${localEnabled ? 'text-white' : 'text-bambu-gray'}`}>
                Spoolman
              </span>
            </div>
            <p className={`text-xs ${localEnabled ? 'text-bambu-gray' : 'text-bambu-gray/60'}`}>
              {t('settings.trackingModeSpoolmanDesc')}
            </p>
            {localEnabled && (
              <div className="flex items-center gap-1 mt-2">
                <Check className="w-3 h-3 text-bambu-green" />
                <span className="text-xs text-bambu-green">{t('common.enabled')}</span>
              </div>
            )}
          </button>
        </div>

        {/* Built-in Inventory details */}
        {!localEnabled && (
          <div className="space-y-3">
            <div className="p-3 bg-bambu-green/5 border border-bambu-green/20 rounded-lg">
              <div className="flex gap-2">
                <Info className="w-4 h-4 text-bambu-green flex-shrink-0 mt-0.5" />
                <div className="text-xs text-bambu-gray">
                  <ul className="list-disc list-inside space-y-0.5">
                    <li>{t('settings.builtInFeatureRfid')}</li>
                    <li>{t('settings.builtInFeatureUsage')}</li>
                    <li>{t('settings.builtInFeatureCatalog')}</li>
                    <li>{t('settings.builtInFeatureThirdParty')}</li>
                  </ul>
                </div>
              </div>
            </div>

            <Button
              variant="secondary"
              size="sm"
              onClick={() => setShowAmsSyncConfirm(true)}
              disabled={amsSyncMutation.isPending}
            >
              {amsSyncMutation.isPending ? (
                <Loader2 className="w-4 h-4 mr-2 animate-spin" />
              ) : (
                <RefreshCw className="w-4 h-4 mr-2" />
              )}
              {t('settings.amsSyncButton')}
            </Button>
          </div>
        )}

        {/* Spoolman settings - only shown when Spoolman mode is selected */}
        {localEnabled && (
          <div className="space-y-4">
            {/* Info banner about sync requirements */}
            <div className="p-3 bg-blue-500/10 border border-blue-500/30 rounded-lg">
              <div className="flex gap-2">
                <Info className="w-4 h-4 text-blue-400 flex-shrink-0 mt-0.5" />
                <div className="text-xs text-blue-300">
                  <p className="font-medium mb-1">{t('settings.howSyncWorks')}</p>
                  <ul className="list-disc list-inside space-y-0.5 text-blue-300/80">
                    <li>{t('settings.syncInfoRfidOnly')}</li>
                    <li>{t('settings.syncInfoAutoCreate')}</li>
                    <li>{t('settings.syncInfoThirdPartySkipped')}</li>
                  </ul>
                  <p className="font-medium mt-2 mb-1">{t('settings.linkingExistingSpools')}</p>
                  <p className="text-blue-300/80">
                    {t('settings.linkingExistingSpoolsDesc')}
                  </p>
                </div>
              </div>
            </div>

            {/* URL input */}
            <div>
              <label className="block text-sm text-bambu-gray mb-1">
                {t('settings.spoolmanUrl')}
              </label>
              <input
                type="text"
                placeholder="http://192.168.1.100:7912"
                value={localUrl}
                onChange={(e) => setLocalUrl(e.target.value)}
                className="w-full px-3 py-2 bg-bambu-dark border border-bambu-dark-tertiary rounded-lg text-white placeholder-bambu-gray/50 focus:border-bambu-green focus:outline-none"
              />
              <p className="text-xs text-bambu-gray mt-1">
                {t('settings.spoolmanUrlHint')}
              </p>
            </div>

            {/* Sync mode */}
            <div>
              <label className="block text-sm text-bambu-gray mb-1">
                {t('settings.syncMode')}
              </label>
              <select
                value={localSyncMode}
                onChange={(e) => setLocalSyncMode(e.target.value)}
                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"
              >
                <option value="auto">{t('settings.syncModeAuto')}</option>
                <option value="manual">{t('settings.syncModeManual')}</option>
              </select>
              <p className="text-xs text-bambu-gray mt-1">
                {localSyncMode === 'auto'
                  ? t('settings.syncModeAutoDesc')
                  : t('settings.syncModeManualDesc')}
              </p>
            </div>

            {/* Disable Weight Sync toggle - only show when sync mode is auto */}
            {localSyncMode === 'auto' && (
              <div className="flex items-center justify-between">
                <div>
                  <p className="text-white">{t('spoolman.disableWeightSync')}</p>
                  <p className="text-sm text-bambu-gray">
                    {t('spoolman.disableWeightSyncDesc')}
                  </p>
                </div>
                <label className="relative inline-flex items-center cursor-pointer">
                  <input
                    type="checkbox"
                    checked={localDisableWeightSync}
                    onChange={(e) => setLocalDisableWeightSync(e.target.checked)}
                    className="sr-only peer"
                  />
                  <div className="w-11 h-6 bg-bambu-dark-tertiary peer-focus:outline-none rounded-full peer peer-checked:after:translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-[2px] after:left-[2px] after:bg-white after:rounded-full after:h-5 after:w-5 after:transition-all peer-checked:bg-bambu-green"></div>
                </label>
              </div>
            )}

            {/* Report Partial Usage toggle - only show when weight sync is disabled */}
            {localDisableWeightSync && (
              <div className="flex items-center justify-between">
                <div>
                  <p className="text-white">{t('spoolman.reportPartialUsage')}</p>
                  <p className="text-sm text-bambu-gray">
                    {t('spoolman.reportPartialUsageDesc')}
                  </p>
                </div>
                <label className="relative inline-flex items-center cursor-pointer">
                  <input
                    type="checkbox"
                    checked={localReportPartialUsage}
                    onChange={(e) => setLocalReportPartialUsage(e.target.checked)}
                    className="sr-only peer"
                  />
                  <div className="w-11 h-6 bg-bambu-dark-tertiary peer-focus:outline-none rounded-full peer peer-checked:after:translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-[2px] after:left-[2px] after:bg-white after:rounded-full after:h-5 after:w-5 after:transition-all peer-checked:bg-bambu-green"></div>
                </label>
              </div>
            )}

            {/* Connection status */}
            <div className="pt-2 border-t border-bambu-dark-tertiary">
              <div className="flex items-center justify-between mb-3">
                <div className="flex items-center gap-2">
                  <span className="text-sm text-bambu-gray">{t('settings.status')}:</span>
                  {statusLoading ? (
                    <Loader2 className="w-4 h-4 text-bambu-gray animate-spin" />
                  ) : status?.connected ? (
                    <span className="flex items-center gap-1 text-sm text-green-500">
                      <Check className="w-4 h-4" />
                      {t('settings.spoolmanConnected')}
                    </span>
                  ) : (
                    <span className="flex items-center gap-1 text-sm text-red-500">
                      <X className="w-4 h-4" />
                      {t('settings.spoolmanDisconnected')}
                    </span>
                  )}
                </div>
                <div className="flex gap-2">
                  {status?.connected ? (
                    <Button
                      variant="secondary"
                      size="sm"
                      onClick={() => disconnectMutation.mutate()}
                      disabled={disconnectMutation.isPending}
                    >
                      {disconnectMutation.isPending ? (
                        <Loader2 className="w-4 h-4 animate-spin" />
                      ) : (
                        <Link2Off className="w-4 h-4" />
                      )}
                      {t('settings.disconnect')}
                    </Button>
                  ) : (
                    <Button
                      size="sm"
                      onClick={() => connectMutation.mutate()}
                      disabled={connectMutation.isPending || !localUrl}
                    >
                      {connectMutation.isPending ? (
                        <Loader2 className="w-4 h-4 animate-spin" />
                      ) : (
                        <Link2 className="w-4 h-4" />
                      )}
                      {t('settings.connect')}
                    </Button>
                  )}
                </div>
              </div>

              {/* Error display */}
              {connectMutation.isError && (
                <div className="mb-3 p-2 bg-red-500/20 border border-red-500/50 rounded text-sm text-red-400">
                  {(connectMutation.error as Error).message}
                </div>
              )}

              {/* Manual sync section */}
              {status?.connected && (
                <div className="space-y-3">
                  <div>
                    <p className="text-sm text-white">{t('settings.syncAmsData')}</p>
                    <p className="text-xs text-bambu-gray">
                      {t('settings.syncAmsDataDesc')}
                    </p>
                  </div>
                  <div className="flex items-center gap-2">
                    {/* Printer selector */}
                    <div className="relative flex-1">
                      <select
                        value={selectedPrinterId}
                        onChange={(e) => setSelectedPrinterId(e.target.value === 'all' ? 'all' : Number(e.target.value))}
                        className="w-full px-3 py-2 pr-8 bg-bambu-dark border border-bambu-dark-tertiary rounded-lg text-white text-sm focus:border-bambu-green focus:outline-none appearance-none cursor-pointer"
                      >
                        <option value="all">{t('settings.allPrinters')}</option>
                        {printers?.map((printer: Printer) => (
                          <option key={printer.id} value={printer.id}>
                            {printer.name}
                          </option>
                        ))}
                      </select>
                      <ChevronDown className="absolute right-2 top-1/2 -translate-y-1/2 w-4 h-4 text-bambu-gray pointer-events-none" />
                    </div>
                    {/* Sync button */}
                    <Button
                      variant="secondary"
                      size="sm"
                      onClick={handleSync}
                      disabled={isSyncing}
                    >
                      {isSyncing ? (
                        <Loader2 className="w-4 h-4 animate-spin" />
                      ) : (
                        <RefreshCw className="w-4 h-4" />
                      )}
                      {t('spoolman.sync')}
                    </Button>
                  </div>
                </div>
              )}

              {/* Sync result */}
              {syncSuccess && syncResult && (
                <div className="mt-3 space-y-2">
                  {/* Main result */}
                  <div
                    className={`p-2 rounded text-sm ${
                      syncResult.success
                        ? 'bg-green-500/20 border border-green-500/50 text-green-400'
                        : 'bg-yellow-500/20 border border-yellow-500/50 text-yellow-400'
                    }`}
                  >
                    {syncResult.success
                      ? `Synced ${syncResult.synced_count} spool${syncResult.synced_count !== 1 ? 's' : ''} successfully`
                      : `Synced ${syncResult.synced_count} spool${syncResult.synced_count !== 1 ? 's' : ''} with ${syncResult.errors.length} error${syncResult.errors.length !== 1 ? 's' : ''}`}
                  </div>

                  {/* Skipped spools */}
                  {syncResult.skipped_count > 0 && (
                    <div className="p-2 bg-amber-500/10 border border-amber-500/30 rounded text-sm">
                      <div className="flex items-center justify-between text-amber-400 mb-1">
                        <div className="flex items-center gap-1.5">
                          <AlertTriangle className="w-3.5 h-3.5" />
                          <span className="font-medium">
                            {syncResult.skipped_count} spool{syncResult.skipped_count !== 1 ? 's' : ''} skipped
                          </span>
                        </div>
                        {syncResult.skipped_count > 5 && (
                          <button
                            onClick={() => setShowAllSkipped(!showAllSkipped)}
                            className="text-xs text-amber-400 hover:text-amber-300 underline"
                          >
                            {showAllSkipped ? 'Show less' : 'Show all'}
                          </button>
                        )}
                      </div>
                      <ul className="text-xs text-amber-300/80 space-y-0.5">
                        {(showAllSkipped ? syncResult.skipped : syncResult.skipped.slice(0, 5)).map((s, i) => (
                          <li key={i} className="flex items-center gap-2">
                            {s.color && (
                              <span
                                className="w-3 h-3 rounded-full border border-white/20"
                                style={{ backgroundColor: `#${s.color}` }}
                              />
                            )}
                            <span>{s.location}</span>
                            <span className="text-amber-300/60">- {s.reason}</span>
                          </li>
                        ))}
                        {!showAllSkipped && syncResult.skipped_count > 5 && (
                          <li className="text-amber-300/60 italic">
                            ...and {syncResult.skipped_count - 5} more
                          </li>
                        )}
                      </ul>
                    </div>
                  )}

                  {/* Errors */}
                  {syncResult.errors.length > 0 && (
                    <div className="p-2 bg-red-500/10 border border-red-500/30 rounded text-sm">
                      <div className="text-red-400 font-medium mb-1">Errors:</div>
                      <ul className="text-xs text-red-300/80 space-y-0.5">
                        {syncResult.errors.map((err, i) => (
                          <li key={i}>{err}</li>
                        ))}
                      </ul>
                    </div>
                  )}
                </div>
              )}
            </div>
          </div>
        )}
      </CardContent>

      {showAmsSyncConfirm && (
        <ConfirmModal
          title={t('settings.amsSyncTitle')}
          message={t('settings.amsSyncMessage')}
          confirmText={t('settings.amsSyncButton')}
          variant="warning"
          isLoading={amsSyncMutation.isPending}
          loadingText={t('settings.amsSyncing')}
          onConfirm={() => amsSyncMutation.mutate()}
          onCancel={() => setShowAmsSyncConfirm(false)}
        />
      )}
    </Card>
  );
}