bambuddy/backend/app/schemas/notification_template.py

"""Pydantic schemas for notification templates."""

from datetime import datetime
from enum import Enum

from pydantic import BaseModel, Field


class EventType(str, Enum):
    """Supported notification event types."""

    PRINT_START = "print_start"
    PRINT_COMPLETE = "print_complete"
    PRINT_FAILED = "print_failed"
    PRINT_STOPPED = "print_stopped"
    PRINT_PROGRESS = "print_progress"
    PRINTER_OFFLINE = "printer_offline"
    PRINTER_ERROR = "printer_error"
    FILAMENT_LOW = "filament_low"
    MAINTENANCE_DUE = "maintenance_due"
    TEST = "test"


# Available variables for each event type
EVENT_VARIABLES: dict[str, list[str]] = {
    "print_start": ["printer", "filename", "estimated_time", "timestamp", "app_name"],
    "print_complete": ["printer", "filename", "duration", "filament_grams", "timestamp", "app_name"],
    "print_failed": ["printer", "filename", "duration", "reason", "timestamp", "app_name"],
    "print_stopped": ["printer", "filename", "duration", "timestamp", "app_name"],
    "print_progress": ["printer", "filename", "progress", "remaining_time", "timestamp", "app_name"],
    "printer_offline": ["printer", "timestamp", "app_name"],
    "printer_error": ["printer", "error_type", "error_detail", "timestamp", "app_name"],
    "filament_low": ["printer", "slot", "remaining_percent", "color", "timestamp", "app_name"],
    "maintenance_due": ["printer", "items", "timestamp", "app_name"],
    "test": ["app_name", "timestamp"],
}

# Sample data for previewing templates
SAMPLE_DATA: dict[str, dict[str, str]] = {
    "print_start": {
        "printer": "Bambu X1C",
        "filename": "Benchy.3mf",
        "estimated_time": "1h 23m",
        "timestamp": "2024-01-15 14:30",
        "app_name": "Bambuddy",
    },
    "print_complete": {
        "printer": "Bambu X1C",
        "filename": "Benchy.3mf",
        "duration": "1h 18m",
        "filament_grams": "15.2",
        "timestamp": "2024-01-15 15:48",
        "app_name": "Bambuddy",
    },
    "print_failed": {
        "printer": "Bambu X1C",
        "filename": "Benchy.3mf",
        "duration": "0h 45m",
        "reason": "Filament runout",
        "timestamp": "2024-01-15 15:15",
        "app_name": "Bambuddy",
    },
    "print_stopped": {
        "printer": "Bambu X1C",
        "filename": "Benchy.3mf",
        "duration": "0h 30m",
        "timestamp": "2024-01-15 15:00",
        "app_name": "Bambuddy",
    },
    "print_progress": {
        "printer": "Bambu X1C",
        "filename": "Benchy.3mf",
        "progress": "50",
        "remaining_time": "0h 41m",
        "timestamp": "2024-01-15 15:00",
        "app_name": "Bambuddy",
    },
    "printer_offline": {
        "printer": "Bambu X1C",
        "timestamp": "2024-01-15 14:30",
        "app_name": "Bambuddy",
    },
    "printer_error": {
        "printer": "Bambu X1C",
        "error_type": "AMS Error",
        "error_detail": "Filament slot 1 jammed",
        "timestamp": "2024-01-15 14:30",
        "app_name": "Bambuddy",
    },
    "filament_low": {
        "printer": "Bambu X1C",
        "slot": "1",
        "remaining_percent": "15",
        "color": "Black PLA",
        "timestamp": "2024-01-15 14:30",
        "app_name": "Bambuddy",
    },
    "maintenance_due": {
        "printer": "Bambu X1C",
        "items": "• Nozzle cleaning (OVERDUE)\n• Carbon rod lubrication (Soon)",
        "timestamp": "2024-01-15 14:30",
        "app_name": "Bambuddy",
    },
    "test": {
        "app_name": "Bambuddy",
        "timestamp": "2024-01-15 14:30",
    },
}


class NotificationTemplateBase(BaseModel):
    """Base schema for notification templates."""

    title_template: str = Field(..., min_length=1, max_length=200)
    body_template: str = Field(..., min_length=1, max_length=2000)


class NotificationTemplateUpdate(BaseModel):
    """Schema for updating a notification template."""

    title_template: str | None = Field(default=None, min_length=1, max_length=200)
    body_template: str | None = Field(default=None, min_length=1, max_length=2000)


class NotificationTemplateResponse(NotificationTemplateBase):
    """Schema for notification template API responses."""

    id: int
    event_type: str
    name: str
    is_default: bool
    created_at: datetime
    updated_at: datetime

    class Config:
        from_attributes = True


class TemplateVariableInfo(BaseModel):
    """Information about a template variable."""

    name: str
    description: str


class EventVariablesResponse(BaseModel):
    """Response for available variables per event type."""

    event_type: str
    event_name: str
    variables: list[str]


class TemplatePreviewRequest(BaseModel):
    """Request to preview a template with sample data."""

    event_type: str
    title_template: str
    body_template: str


class TemplatePreviewResponse(BaseModel):
    """Response with rendered template preview."""

    title: str
    body: str