import type { IChipsItem, IRawCategoryCard } from '../../../types';
import {
  convertStringArrayToChips,
  getUrlWithProxiedParams,
  groupCategoriesByFirstLetter,
} from '../../../runtime';

export default defineEventHandler(async (event): Promise<IChipsItem[]> => {
  const apiUrl = process.env.NUXT_PUBLIC_API_DOMAIN;
  const url = getUrlWithProxiedParams(`${apiUrl}/v1/categories`, event);

  const categories = await cachedApiFetch<Array<IRawCategoryCard>>(url, event);

  const lang = event.node.req.headers['x-language'] || 'en';
  const prop = getCategoryProp(lang);

  const items = groupCategoriesByFirstLetter(categories, prop, getCategorySortLang(lang));

  return convertStringArrayToChips(Object.keys(items), 'categories/letter', 'categories/all');
});