from fastapi import APIRouter, Depends
from fastapi.responses import StreamingResponse
from PIL import Image

from ..calendar_config import (
    CalendarConfig,
    DoorsSaved,
    get_calendar_config,
    set_calendar_config,
)
from ..dav_common import dav_get_file
from ._misc import api_return_image

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


@router.get(
    "/background",
    response_class=StreamingResponse,
)
async def get_image_for_day(
    cal_cfg: CalendarConfig = Depends(get_calendar_config),
) -> StreamingResponse:
    """
    Hintergrundbild laden
    """

    return await api_return_image(
        Image.open(await dav_get_file(f"files/{cal_cfg.background}"))
    )


@router.get("/doors")
async def get_doors(
    cal_cfg: CalendarConfig = Depends(get_calendar_config),
) -> DoorsSaved:
    """
    Türchen lesen
    """

    return cal_cfg.doors


@router.put("/doors")
async def put_doors(
    doors: DoorsSaved,
    cal_cfg: CalendarConfig = Depends(get_calendar_config),
) -> None:
    """
    Türchen setzen
    """

    cal_cfg.doors = sorted(
        doors,
        key=lambda door: door.day,
    )
    await set_calendar_config(cal_cfg)