from typing import Annotated

from fastapi import APIRouter, Depends, HTTPException, Query, Response
from pydantic import BaseModel, ConfigDict, field_validator

from ..auth import get_current_user
from ..clients.jellystat import HistoryLimitError, JellystatError
from ..services.insights import get_insights
from ..services.insights_artwork import get_artwork
from ..runtime import get_runtime_settings

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


@router.get("/artwork/{item_id}")
async def artwork(item_id: str, token: Annotated[str, Query(max_length=100)], user: dict = Depends(get_current_user)):
    content, media_type = await get_artwork(user, get_runtime_settings(), item_id, token)
    return Response(content=content, media_type=media_type,
                    headers={"Cache-Control": "private, max-age=600", "Vary": "Cookie, Authorization", "X-Content-Type-Options": "nosniff"})


class InsightsQuery(BaseModel):
    model_config = ConfigDict(extra="forbid")
    days: int = 30

    @field_validator("days")
    @classmethod
    def supported_period(cls, value: int) -> int:
        if value not in {7, 30, 90, 365}:
            raise ValueError("Choose 7, 30, 90 or 365 days")
        return value


@router.get("")
async def dashboard(query: Annotated[InsightsQuery, Query()], response: Response,
                    user: dict = Depends(get_current_user)) -> dict:
    response.headers["Cache-Control"] = "no-store"
    try:
        return await get_insights(user, query.days)
    except HistoryLimitError as exc:
        raise HTTPException(status_code=422, detail="There is too much history for this period. Choose a shorter period.") from exc
    except JellystatError as exc:
        raise HTTPException(status_code=502, detail="Your viewing stats are temporarily unavailable. Please try again shortly.") from exc