"""
Camera schemas for request/response validation
"""
from pydantic import BaseModel, Field
from typing import Optional
from datetime import datetime


class CameraInfo(BaseModel):
    """Camera information schema"""
    id: int = Field(..., description="Camera ID (channel number in GeViScope)")
    name: str = Field(..., description="Camera name")
    description: Optional[str] = Field(None, description="Camera description")
    has_ptz: bool = Field(default=False, description="Whether camera has PTZ capabilities")
    has_video_sensor: bool = Field(default=False, description="Whether camera has video sensor (motion detection)")
    status: str = Field(..., description="Camera status (online, offline, unknown)")
    last_seen: Optional[datetime] = Field(None, description="Last time camera was seen online")

    model_config = {
        "from_attributes": True,
        "json_schema_extra": {
            "examples": [
                {
                    "id": 1,
                    "name": "Entrance Camera",
                    "description": "Main entrance monitoring",
                    "has_ptz": True,
                    "has_video_sensor": True,
                    "status": "online",
                    "last_seen": "2025-12-09T10:30:00Z"
                }
            ]
        }
    }


class CameraListResponse(BaseModel):
    """Response schema for camera list endpoint"""
    cameras: list[CameraInfo] = Field(..., description="List of cameras")
    total: int = Field(..., description="Total number of cameras")

    model_config = {
        "json_schema_extra": {
            "examples": [
                {
                    "cameras": [
                        {
                            "id": 1,
                            "name": "Entrance Camera",
                            "description": "Main entrance",
                            "has_ptz": True,
                            "has_video_sensor": True,
                            "status": "online",
                            "last_seen": "2025-12-09T10:30:00Z"
                        },
                        {
                            "id": 2,
                            "name": "Parking Lot",
                            "description": "Parking area monitoring",
                            "has_ptz": False,
                            "has_video_sensor": True,
                            "status": "online",
                            "last_seen": "2025-12-09T10:30:00Z"
                        }
                    ],
                    "total": 2
                }
            ]
        }
    }


class CameraDetailResponse(BaseModel):
    """Response schema for single camera detail"""
    id: int = Field(..., description="Camera ID")
    name: str = Field(..., description="Camera name")
    description: Optional[str] = Field(None, description="Camera description")
    has_ptz: bool = Field(default=False, description="PTZ capability")
    has_video_sensor: bool = Field(default=False, description="Video sensor capability")
    status: str = Field(..., description="Camera status")
    last_seen: Optional[datetime] = Field(None, description="Last seen timestamp")

    # Additional details that might be available
    channel_id: Optional[int] = Field(None, description="Physical channel ID")
    ip_address: Optional[str] = Field(None, description="Camera IP address")
    model: Optional[str] = Field(None, description="Camera model")
    firmware_version: Optional[str] = Field(None, description="Firmware version")

    model_config = {
        "from_attributes": True,
        "json_schema_extra": {
            "examples": [
                {
                    "id": 1,
                    "name": "Entrance Camera",
                    "description": "Main entrance monitoring",
                    "has_ptz": True,
                    "has_video_sensor": True,
                    "status": "online",
                    "last_seen": "2025-12-09T10:30:00Z",
                    "channel_id": 1,
                    "ip_address": "192.168.1.100",
                    "model": "Geutebruck G-Cam/E2510",
                    "firmware_version": "7.9.975.68"
                }
            ]
        }
    }


class CameraStatusEnum:
    """Camera status constants"""
    ONLINE = "online"
    OFFLINE = "offline"
    UNKNOWN = "unknown"
    ERROR = "error"
    MAINTENANCE = "maintenance"