import {
  cleanPlaylistCard,
  cleanUserPlaylistCard,
  getUrlWithProxiedParams,
} from '../../../runtime';
import type { IRawPlaylistsUser, IPlaylistCard, IRawPlaylistCard, PaginatedResponse } from '../../../types';

export default defineEventHandler(async (event) => {
  const apiUrl = process.env.NUXT_PUBLIC_API_DOMAIN;
  const playlistUrl = getUrlWithProxiedParams(`${apiUrl}/v1/playlist`, event);
  const myPlaylistByNicheUrl = getUrlWithProxiedParams(`${apiUrl}/v1/playlist/my-list-by-niche`, event);

  const clientHeaders = event.node.req.headers as HeadersInit;

  const [playlistRaw, myPlaylistByNicheRaw] = await Promise.all([
    apiFetch(playlistUrl, {
      method: 'GET',
      headers: clientHeaders,
    }),
    apiFetch(myPlaylistByNicheUrl, { method: 'GET', headers: clientHeaders }),
  ]);

  const playlist = playlistRaw.data as PaginatedResponse<IRawPlaylistsUser>;
  const myPlaylistByNiche = myPlaylistByNicheRaw.data as PaginatedResponse<IRawPlaylistCard>;

  const playlistItems: IPlaylistCard[] = playlist?.playlists?.map(cleanUserPlaylistCard);
  const myPlaylistByNicheItems: IPlaylistCard[] = myPlaylistByNiche?.items?.map(cleanPlaylistCard);

  const items = playlistItems?.map((item) => {
    const myPlaylist = myPlaylistByNicheItems?.find(
      (subItem) => subItem.id === item.id
    );

    return {
      ...item,
      views: myPlaylist?.views,
      searchTags: myPlaylist?.searchTags,
      likes: myPlaylist?.likes,
      dislikes: myPlaylist?.dislikes,
    };
  });

  return {
    currentPage: playlist?.currentPage,
    allPages: playlist?.allPages,
    total: playlist?.total,
    items: items,
  };
});