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

from app.db import get_db
from app.core import schemas, crud
from app.security import get_current_user


router = APIRouter()


@router.post("/create-user/", response_model=schemas.User)
def create_user(
    user: schemas.UserCreate,
    db: Annotated[Session, Depends(get_db)],
    current_user: Annotated[schemas.User, Depends(get_current_user)],
):
    if not current_user.is_superuser:
        raise HTTPException(status_code=403, detail="Forbidden")

    user_exists = crud.get_user_by_username(username=user.username, db=db)
    if user_exists:
        raise HTTPException(status_code=400, detail="Username already registered")

    return crud.create_user(user=user, db=db)


@router.put("/update-user/", response_model=schemas.User)
def update_user(
    user: schemas.UserUpdate,
    db: Annotated[Session, Depends(get_db)],
    current_user: Annotated[schemas.User, Depends(get_current_user)],
):
    if not current_user.is_superuser:
        raise HTTPException(status_code=403, detail="Forbidden")

    user_exists = crud.get_user_by_user_id(user_id=user.user_id, db=db)
    if not user_exists:
        raise HTTPException(status_code=404, detail="User not found")

    return crud.update_user(user=user, db=db)


@router.get("/get-all-users/", response_model=List[schemas.User])
def get_all_users(
    db: Annotated[Session, Depends(get_db)],
    current_user: Annotated[schemas.User, Depends(get_current_user)],
):
    if not current_user.is_superuser:
        raise HTTPException(status_code=403, detail="Forbidden")

    return crud.get_all_users(db=db)


@router.get("/get-user_by_user_id/{user_id}/", response_model=schemas.User)
def get_user_by_user_id(
    user_id: int,
    db: Annotated[Session, Depends(get_db)],
    current_user: Annotated[schemas.User, Depends(get_current_user)],
):
    if not current_user.is_superuser:
        raise HTTPException(status_code=403, detail="Forbidden")

    user = crud.get_user_by_user_id(user_id=user_id, db=db)
    if user is None:
        raise HTTPException(status_code=404, detail="User not found")

    return user