import logging

from fastapi import APIRouter, Depends, Header, Request
from sqlalchemy.orm import Session

try:
    from app.db import get_db
    from app.schemas.location import DeviceLocationReportRequest, DeviceLocationReportResponse
    from app.service.location import report_device_location
except ModuleNotFoundError:
    from db import get_db
    from schemas.location import DeviceLocationReportRequest, DeviceLocationReportResponse
    from service.location import report_device_location


router = APIRouter(prefix="/device-location", tags=["device-location"])
logger = logging.getLogger("app.device_location")


@router.post("/{device_id}/reports", response_model=DeviceLocationReportResponse)
def create_device_location_report(
    device_id: str,
    payload: DeviceLocationReportRequest,
    request: Request,
    device_serial: str = Header(alias="X-Device-Serial", min_length=1),
    db: Session = Depends(get_db),
) -> DeviceLocationReportResponse:
    device_identity, row = report_device_location(
        db=db,
        device_id=device_id,
        serial_number=device_serial,
        payload=payload,
    )

    logger.info(
        "device location reported",
        extra={
            "event": "device_location_report",
            "request_id": getattr(request.state, "request_id", None),
            "device_id": device_id,
            "child_id": device_identity.child_id,
            "lat": float(row["lat"]),
            "lng": float(row["lng"]),
        },
    )

    return DeviceLocationReportResponse(
        child_id=int(row["child_id"]),
        child_name=device_identity.child_name,
        device_id=str(row["device_id"]),
        coord_type=str(row["coord_type"]),
        lat=float(row["lat"]),
        lng=float(row["lng"]),
        accuracy_m=row["accuracy_m"],
        altitude_m=float(row["altitude_m"]) if row["altitude_m"] is not None else None,
        speed_mps=float(row["speed_mps"]) if row["speed_mps"] is not None else None,
        heading_deg=row["heading_deg"],
        source=int(row["source"]),
        battery_pct=row["battery_pct"],
        device_time=row["device_time"],
        server_time=row["server_time"],
        updated_at=row["updated_at"],
    )