const { renderView } = require('../../../view');

module.exports = function renderPlaylistsPage(data, message, currentUser) {
  const playlists = (data.playlists || []).map((playlist) => {
    const slideCount = playlist.slide_count !== undefined
      ? Number(playlist.slide_count) || 0
      : (data.playlistSlides || []).filter((item) => item.playlist_id === playlist.id).length;
    return Object.assign({}, playlist, {
      slideCount: slideCount,
      slideCountIsOne: slideCount === 1
    });
  });

  return renderView('playlists/list', {
    title: 'Playlists',
    active: 'playlists',
    message: message,
    currentUser: currentUser || null,
    playlists: playlists,
    pagination: data.pagination || null
  });
};