export function buildMostPopularVideosRequest(amount = 12, loadDescription = false, nextPageToken) {
  let fields = 'nextPageToken,prevPageToken,items(contentDetails/duration,id,snippet(channelId,channelTitle,localized/title,publishedAt,thumbnails/medium,title),statistics/viewCount),pageInfo(totalResults)';
  if (loadDescription) {
    fields += ',items/snippet/description';
  }
  return buildApiRequest('GET',
    '/youtube/v3/videos',
    {
      part: 'snippet,statistics,contentDetails',
      chart: 'mostPopular',
      maxResults: amount,
      regionCode: 'US',
      pageToken: nextPageToken,
      fields,
    }, null);
}