/**
 * @file customergroupAutomat.js
 * @description Manages cached customer groups (`GET /api/customergroup`) for
 * the active company. Built via `createListAutomat`.
 *
 * Upstream Triggers:
 * - `authAutomat`: Via `createListAutomat` — triggers `load()` on `'authed'` with
 *   a `selectedCompanyId`, and `reset()` on `'anon'`.
 * - UI / Routes: Manual calls to `load()` or `reload()`.
 */

import { customergroup as customergroupApi } from '../api';
import { createListAutomat } from './createListAutomat';

/**
 * @typedef {Object} CustomerGroup
 * @property {string|number} id Customer group id.
 * @property {string} name Group name.
 * @property {number} sort Sort index.
 * @property {boolean} editable False for reserved POS / Lieferanten groups.
 */

/**
 * Company customer groups (`GET /api/customergroup`).
 *
 * Reserved groups (`POS`, `Lieferanten`) are flagged `editable: false` and must
 * not be renamed or deleted by the UI.
 *
 * @type {import('react-automat').Automat<import('./createListAutomat').ListAutomatState>}
 */
export const customergroupAutomat = createListAutomat({
  name: 'customergroup',
  fetch: async () => {
    const data = await customergroupApi.list();
    return data.customergroups ?? [];
  },
  sort: (items) =>
    [...items].sort((a, b) => (Number(a.sort) || 0) - (Number(b.sort) || 0)),
});

export default customergroupAutomat;