from __future__ import annotations

from fastapi import APIRouter, Depends, HTTPException, Query

from app.models.schemas import CoverageRequest, CoverageResponse
from app.services.coverage import CoverageService

router = APIRouter(prefix="/v1", tags=["coverage"])


def get_coverage_service() -> CoverageService:
  from app.main import coverage_service

  return coverage_service


@router.post("/coverage", response_model=CoverageResponse)
async def calculate_coverage(
  request: CoverageRequest,
  service: CoverageService = Depends(get_coverage_service),
) -> CoverageResponse:
  try:
    geojson = await service.calculate_coverage(request)
  except ValueError as exc:
    raise HTTPException(status_code=400, detail=str(exc)) from exc

  return CoverageResponse(origin=request.origin, coverage_geojson=geojson)