import { isObject } from '../../server/utils/object';

/**
 * 将Directus返回的ProductType数据转换为ProductTypeView视图模型
 *
 * @param raw: 原始的ProductType数据
 * @returns 转换后的ProductTypeView对象
 *
 * @example
 * const view = toProductTypeView(rawProductType);
 */
export function toProductTypeView(
  raw: ProductType | string | null
): ProductTypeView {
  if (typeof raw === 'string' || raw === null) {
    return {
      id: '-1',
      name: '',
      sort: 999,
    } satisfies ProductTypeView;
  }
  const trans = raw.translations?.[0] ?? { name: '' };

  return {
    id: raw.id.toString(),
    name: trans.name,
    sort: raw?.sort ?? 999,
  } satisfies ProductTypeView;
}

/**
 * 将 Directus返回的 Product 数据转换为 ProductListView 视图模型
 *
 * @param raw: 原始的 Product 数据
 * @returns 转换后的 ProductListView 对象
 *
 * @example
 * const view = toProductListView(rawProduct);
 */
export function toProductListView(raw: Product): ProductListView {
  const trans = raw.translations?.[0];

  const type = toProductTypeView(raw.product_type ?? null);

  const cover = isObject<DirectusFile>(raw.cover) ? raw.cover.id : '';

  return {
    id: raw.id.toString(),
    product_type: type,
    name: trans?.name ?? '',
    summary: trans?.summary ?? '',
    cover: cover,
  } satisfies ProductListView;
}