from fastapi import Depends, HTTPException, status
from fastapi.security import OAuth2PasswordBearer
from jose import jwt
from pydantic import ValidationError

import schemas
from core import security
from core.config import settings

reusable_oauth2 = OAuth2PasswordBearer(
    tokenUrl=f"{settings.API_V1_STR}/user/login"
)


def get_current_user(token: str = Depends(reusable_oauth2)
                     ) -> schemas.UserDB:
    # def get_current_user(token: str
    #                      ) -> schemas.UserDBBase:
    try:
        payload = jwt.decode(
            token, settings.SECRET_KEY, algorithms=[security.ALGORITHM]
        )
        user = schemas.UserDB(**payload)
    except (jwt.JWTError, ValidationError):
        raise HTTPException(
            status_code=status.HTTP_403_FORBIDDEN,
            detail="Could not validate credentials",
        )
    if not user:
        raise HTTPException(status_code=404, detail="User not found")
    return user