from fastapi import APIRouter, HTTPException, Request

from models.user import User, UserChangePassword
from lib.db import get_connection
from lib.logger import logger

router = APIRouter(prefix="/users", tags=["users"])


@router.get("/", response_model=list[User])
async def list_users(request: Request):
    logger.info(f"User list requested from {request.client.host}")
    with get_connection() as conn:
        users = conn.execute('SELECT * FROM "User"').fetchdf()

    # Convert DataFrame to dict
    users_dict = users.to_dict(orient="records")
    return users_dict


@router.get("/{user_id}", response_model=User)
async def get_user(user_id: int, request: Request):
    logger.debug(
        f"User details requested for user_id: {user_id} from {request.client.host}"
    )
    with get_connection() as conn:
        user_df = conn.execute(
            'SELECT * FROM "User" WHERE id = ?', (user_id,)
        ).fetchdf()

    if user_df.empty:
        logger.warning(f"Failed user lookup: user_id {user_id} not found")
        raise HTTPException(status_code=404, detail="User not found")

    user_data = user_df.to_dict(orient="records")[0]
    logger.debug(f"User details retrieved: {user_data}")
    return User(**user_data)


@router.patch("/{user_id}")
async def change_password(user_id: int, user: UserChangePassword, request: Request):
    logger.info(
        f"Password change attempt for user_id: {user_id} from {request.client.host}"
    )
    # Implementation will go here when completed
    logger.warning(f"Password change not implemented for user_id: {user_id}")
    raise HTTPException(status_code=401, detail="Not implemented")