"""API route for IFC file upload and parsing."""

from fastapi import APIRouter, Depends, HTTPException, UploadFile
from sqlalchemy.ext.asyncio import AsyncSession

from app.models.database import get_db
from app.schemas.element import ProjectOut
from app.services.ifc_parser import parse_ifc_file

router = APIRouter(tags=["upload"])


@router.post("/upload", response_model=ProjectOut)
async def upload_ifc(file: UploadFile, db: AsyncSession = Depends(get_db)):
    """Upload an IFC file, parse it, and store elements in the database."""
    if not file.filename.lower().endswith(".ifc"):
        raise HTTPException(status_code=400, detail="Only .ifc files are accepted")

    contents = await file.read()

    try:
        project = await parse_ifc_file(
            filename=file.filename,
            content=contents,
            db=db,
        )
    except Exception as e:
        raise HTTPException(status_code=422, detail=f"Failed to parse IFC file: {e}")

    return project