# services/external/app/api/traffic_data.py
"""
Traffic Data API - Atomic CRUD operations on TrafficData model
"""

from fastapi import APIRouter, Depends, HTTPException, Query, Path
from typing import List, Optional
from datetime import date
from uuid import UUID
import structlog

from app.schemas.traffic import TrafficDataResponse
from app.services.traffic_service import TrafficService
from shared.routing.route_builder import RouteBuilder
from sqlalchemy.ext.asyncio import AsyncSession
from app.core.database import get_db

route_builder = RouteBuilder('external')
router = APIRouter(tags=["traffic-data"])
logger = structlog.get_logger()


def get_traffic_service():
    """Dependency injection for TrafficService"""
    return TrafficService()


@router.get(
    route_builder.build_base_route("traffic-data"),
    response_model=List[TrafficDataResponse]
)
async def list_traffic_data(
    tenant_id: UUID = Path(..., description="Tenant ID"),
    start_date: Optional[date] = Query(None),
    end_date: Optional[date] = Query(None),
    latitude: Optional[float] = Query(None),
    longitude: Optional[float] = Query(None),
    limit: int = Query(100, ge=1, le=1000),
    db: AsyncSession = Depends(get_db),
    traffic_service: TrafficService = Depends(get_traffic_service)
):
    """List stored traffic data records"""
    try:
        logger.info("Listing traffic data", tenant_id=tenant_id)

        traffic_records = await traffic_service.get_stored_traffic_data(
            tenant_id=tenant_id,
            start_date=start_date,
            end_date=end_date,
            latitude=latitude,
            longitude=longitude,
            limit=limit,
            db=db
        )

        return traffic_records

    except Exception as e:
        logger.error("Failed to list traffic data", error=str(e), tenant_id=tenant_id)
        raise HTTPException(status_code=500, detail="Failed to retrieve traffic data")


@router.get(
    route_builder.build_resource_detail_route("traffic-data", "traffic_id"),
    response_model=TrafficDataResponse
)
async def get_traffic_data(
    tenant_id: UUID = Path(..., description="Tenant ID"),
    traffic_id: UUID = Path(..., description="Traffic data ID"),
    db: AsyncSession = Depends(get_db),
    traffic_service: TrafficService = Depends(get_traffic_service)
):
    """Get a specific traffic data record"""
    try:
        logger.info("Getting traffic data", tenant_id=tenant_id, traffic_id=traffic_id)

        traffic_record = await traffic_service.get_traffic_data_by_id(
            tenant_id=tenant_id,
            traffic_id=traffic_id,
            db=db
        )

        if not traffic_record:
            raise HTTPException(status_code=404, detail="Traffic data not found")

        return traffic_record

    except HTTPException:
        raise
    except Exception as e:
        logger.error("Failed to get traffic data", error=str(e), tenant_id=tenant_id)
        raise HTTPException(status_code=500, detail="Failed to retrieve traffic data")


@router.delete(
    route_builder.build_resource_detail_route("traffic-data", "traffic_id")
)
async def delete_traffic_data(
    tenant_id: UUID = Path(..., description="Tenant ID"),
    traffic_id: UUID = Path(..., description="Traffic data ID"),
    db: AsyncSession = Depends(get_db),
    traffic_service: TrafficService = Depends(get_traffic_service)
):
    """Delete a traffic data record"""
    try:
        logger.info("Deleting traffic data", tenant_id=tenant_id, traffic_id=traffic_id)

        success = await traffic_service.delete_traffic_data(
            tenant_id=tenant_id,
            traffic_id=traffic_id,
            db=db
        )

        if not success:
            raise HTTPException(status_code=404, detail="Traffic data not found")

        return {"message": "Traffic data deleted successfully"}

    except HTTPException:
        raise
    except Exception as e:
        logger.error("Failed to delete traffic data", error=str(e), tenant_id=tenant_id)
        raise HTTPException(status_code=500, detail="Failed to delete traffic data")