"""
CRUD route handlers bound via OpenAPI operationId.

These handlers explicitly control HTTP status codes to ensure
runtime behavior matches the OpenAPI contract.
"""

from fastapi import Response, HTTPException

from data import (
    list_items as _list_items,
    get_item as _get_item,
    create_item as _create_item,
    update_item as _update_item,
    delete_item as _delete_item,
)


def list_items():
    return _list_items()


def get_item(item_id: int):
    try:
        return _get_item(item_id)
    except KeyError:
        raise HTTPException(status_code=404, detail="Item not found")


def create_item(payload: dict, response: Response):
    item = _create_item(payload)
    response.status_code = 201
    return item


def update_item(item_id: int, payload: dict):
    try:
        return _update_item(item_id, payload)
    except KeyError:
        raise HTTPException(status_code=404, detail="Item not found")


def delete_item(item_id: int, response: Response):
    try:
        _delete_item(item_id)
    except KeyError:
        raise HTTPException(status_code=404, detail="Item not found")

    response.status_code = 204
    return None