from datetime import date

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

from ..core import depends
from ..core.config import get_config
from ..core.image_helpers import api_return_image
from ._security import user_can_view_door, user_is_admin, user_visible_doors

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


@router.on_event("startup")
async def startup() -> None:
    cfg = await get_config()
    print(cfg.puzzle.solution)


@router.get("/date")
async def get_date() -> str:
    """
    Aktuelles Server-Datum
    """

    return date.today().isoformat()


@router.get("/visible_days")
async def get_visible_days(
    visible_doors: int = Depends(user_visible_doors),
) -> int:
    """
    Sichtbare Türchen
    """

    return visible_doors


@router.get("/part/{day}")
async def get_part_for_day(
    part: str = Depends(depends.get_part_for_day),
) -> str:
    """
    Heutiger Lösungsteil
    """

    return part


@router.get(
    "/image/{day}",
    response_class=StreamingResponse,
)
async def get_image_for_day(
    image: Image.Image = Depends(depends.get_image_for_day),
    can_view: bool = Depends(user_can_view_door),
    is_admin: bool = Depends(user_is_admin),
) -> StreamingResponse:
    """
    Bild für einen Tag erstellen
    """

    if not (can_view or is_admin):
        raise HTTPException(status.HTTP_401_UNAUTHORIZED, "Wie unhöflich!!!")

    return await api_return_image(image)