from typing import Annotated

from fastapi import APIRouter, Depends, HTTPException, status
from fastapi.security import OAuth2PasswordRequestForm

from app.core.dependencies import DbSession
from app.core.security import create_access_token
from app.schemas.auth import Token
from app.services.auth import authenticate_user

router = APIRouter(prefix="/api/v1/auth", tags=["auth"])


@router.post("/token", response_model=Token)
async def login(db: DbSession, form_data: Annotated[OAuth2PasswordRequestForm, Depends()]) -> Token:
    user = await authenticate_user(db, form_data.username, form_data.password)
    if user is None:
        raise HTTPException(
            status_code=status.HTTP_401_UNAUTHORIZED,
            detail="Incorrect username or password",
            headers={"WWW-Authenticate": "Bearer"},
        )
    return Token(access_token=create_access_token(user.id))