import { DEFAULT_LOCALE } from '@/i18n/routing';
import { BlogPost } from '@/types/blog';

export async function getPosts(locale: string = DEFAULT_LOCALE, category?: string): Promise<{ posts: BlogPost[], total: number }> {
  const Id_Map: Record<string, string> = {
    'announce': '1989174108560080897',
    'news': '1988814504336605185',
    'event': '1989174018231549954',
  }

  let url = 'http://49.232.154.205:18081/export/article/list?pageNum=1&pageSize=10&langCode=' + locale;
  if (category) {
    url += '&categoryId=' + Id_Map[category || 'announce']
  }

  console.log(url);

  const response = await fetch(url);
  const data = await response.json();
  const posts = data.rows.map((item: any) => {
    return {
      locale, // use locale parameter
      title: item.title,
      description: item.summary,
      image: item.cover || '',
      slug: item.articleId,
      tags: '',
      date: item.publishedTime,
      // visible: data.visible || 'published',
      pin: false,
      content: item.content,
      metadata: data,
    }

  }) || [];

  // // is directory exist
  // if (!fs.existsSync(postsDirectory)) {
  //   return { posts: [] };
  // }

  // let filenames = await fs.promises.readdir(postsDirectory);
  // filenames = filenames.reverse();

  // let allPosts: BlogPost[] = [];

  // read file by batch
  // for (let i = 0; i < filenames.length; i += POSTS_BATCH_SIZE) {
  //   const batchFilenames = filenames.slice(i, i + POSTS_BATCH_SIZE);

  //   const batchPosts: BlogPost[] = await Promise.all(
  //     batchFilenames.map(async (filename) => {
  //       const fullPath = path.join(postsDirectory, filename);
  //       const fileContents = await fs.promises.readFile(fullPath, 'utf8');

  //       const { data, content } = matter(fileContents);

  //       return {
  //         locale, // use locale parameter
  //         title: data.title,
  //         description: data.description,
  //         image: data.image || '',
  //         slug: data.slug,
  //         tags: data.tags,
  //         date: data.date,
  //         visible: data.visible || 'published',
  //         pin: data.pin || false,
  //         content,
  //         metadata: data,
  //       };
  //     })
  //   );

  //   allPosts.push(...batchPosts);
  // }

  // filter out non-published articles
  // allPosts = allPosts.filter(post => post.visible === 'published');

  // sort posts by pin and date
  // allPosts = allPosts.sort((a, b) => {
  //   if (a.pin !== b.pin) {
  //     return (b.pin ? 1 : 0) - (a.pin ? 1 : 0);
  //   }
  //   return new Date(b.date).getTime() - new Date(a.date).getTime();
  // });

  return {
    posts,
    total: data.total,
  };
}