from fastapi.security.oauth2 import OAuth2PasswordRequestForm
from fastapi import APIRouter, Depends, HTTPException, status
from sqlalchemy.orm import Session
from app.schemas import Token
from app import utils
from app.database import get_db
from app.models import User
from app.oauth2 import Create_Access_Token


router = APIRouter(tags=["Authentication"])

@router.post('/login',response_model=Token)
def login(user_credentials: OAuth2PasswordRequestForm = Depends(), db: Session = Depends(get_db)):
    user=db.query(User).filter(User.email == user_credentials.username).first()

    if not user:
        raise HTTPException(status_code=status.HTTP_403_FORBIDDEN,detail="Invalid Credentials")
    
    if not utils.verify(user_credentials.password,user.password):
        raise HTTPException(status_code=status.HTTP_403_FORBIDDEN,detail="Invalid Credentials")
    
    access_token=Create_Access_Token(data={"id": user.id})
    return {
        "access_token": access_token,
        "token_type": "bearer"
    }