from fastapi import Depends, HTTPException
from typing import Annotated
from sqlalchemy.orm import Session

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


def get_news(
    db: Annotated[Session, Depends(get_db)],
) -> list[schemas.NewsInDb]:
    return [
        schemas.NewsInDb.model_validate(n)
        for n in db.query(models.News).order_by(models.News.created.desc()).all()
    ]


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