from fastapi import Depends, HTTPException, status
from typing import Annotated
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy.future import select
from uuid import UUID

from ...dependencies import get_db
from ...db import models

from ..auth import services as auth_services
from ..auth import schemas as auth_schemas

from . import schemas


async def get_news(
    db: Annotated[AsyncSession, Depends(get_db)],
) -> list[schemas.NewsInDb]:
    news = await db.execute(select(models.News).order_by(models.News.created.desc()))
    return [schemas.NewsInDb.model_validate(n) for n in news.scalars().all()]


async def create_news(
    news: schemas.CreateNews,
    current_user: auth_schemas.UserInDB,
    db: AsyncSession,
) -> schemas.NewsInDb:
    if current_user.username == "admin":
        n = models.News(title=news.title, content=news.content)
        db.add(n)
        await db.commit()
        print(f"\n\n{n.title}\n\n", flush=True)
        return schemas.NewsInDb.model_validate(n)
    raise HTTPException(
        status_code=status.HTTP_401_UNAUTHORIZED,
        detail="Could not validate credentials",
        headers={"WWW-Authenticate": "Bearer"},
    )


async def tap_news(news_id: UUID, db: AsyncSession):
    n = db.query(models.News).filter(models.News.id == news_id).first()
    if n:
        setattr(n, "taps", n.taps + 1)
        db.commit()
        return
    raise HTTPException(
        status_code=status.HTTP_404_NOT_FOUND,
        detail="Not found",
    )