from fastapi import APIRouter, Depends, HTTPException
from sqlalchemy.orm import Session
from typing import List
from app.db.database import get_db
from app.models.user import UserModel
from app.schemas.user import UserRead, UserRegister
from app.core.security import hash_password
import pyotp

router = APIRouter()

@router.get("/users", response_model=List[UserRead])
def get_all_users(db: Session = Depends(get_db)):
    users = db.query(UserModel).all()
    if not users:
        raise HTTPException(status_code=404, detail="No hay usuarios registrados")
    return users

@router.get("/users/{user_id}", response_model=UserRead)
def get_user_by_id(user_id: int, db: Session = Depends(get_db)):
    user = db.query(UserModel).filter(UserModel.user_id == user_id).first()
    if not user:
        raise HTTPException(status_code=404, detail="No se ha encontrado el usuario.")
    
    return user

@router.post("/users", response_model=UserRead)
async def create_user(user: UserRegister, db: Session = Depends(get_db)):
    existing_user = db.query(UserModel).filter(UserModel.user_name == user.user_name).first()
    if existing_user:
        raise HTTPException(status_code=400, detail="El nombre de usuario ya existe")

    hashed_password = hash_password(user.password)

    new_user = UserModel(
        user_name=user.user_name,
        password=hashed_password,
    )

    db.add(new_user)
    db.commit()
    db.refresh(new_user)

    return new_user