text: const _ = require('lodash');
  const settingsCache = require('../../server/services/settings/cache');
  
  function getTitle(data, root, options) {
      const context = root ? root.context : null;
      const siteTitle = settingsCache.get('meta_title') || settingsCache.get('title');
      const pagination = root ? root.pagination : null;
  
      let title = '';
      let postSdTitle;
      let pageString = '';
  
      options = options ? options : {};
  
      if (pagination && pagination.total > 1) {
          pageString = _.has(options.hash, 'page') ? options.hash.page.replace('%', pagination.page) : ' (Page ' + pagination.page + ')';
      }
  
      // If there's a specific meta title
      if (data.meta_title) {
          title = data.meta_title;
      // Home title
      } else if (_.includes(context, 'home')) {
          if (options && options.property) {
              const siteSdTitle = options.property + '_title';
              title = settingsCache.get(siteSdTitle) || '';
          } else {
              title = siteTitle;
          }
      // Author title, paged
      } else if (_.includes(context, 'author') && data.author && _.includes(context, 'paged')) {
          title = data.author.name + ' - ' + siteTitle + pageString;
      // Author title, index
      } else if (_.includes(context, 'author') && data.author) {
          title = data.author.name + ' - ' + siteTitle;
      // Tag title, paged
      } else if (_.includes(context, 'tag') && data.tag && _.includes(context, 'paged')) {
          title = data.tag.meta_title || data.tag.name + ' - ' + siteTitle + pageString;
      // Tag title, index
      } else if (_.includes(context, 'tag') && data.tag) {
          title = data.tag.meta_title || data.tag.name + ' - ' + siteTitle;
      // Post title
      } else if (_.includes(context, 'post') && data.post) {
          if (options && options.property) {
              postSdTitle = options.property + '_title';
              title = data.post[postSdTitle] || '';
          } else {
              title = data.post.meta_title || data.post.title;
          }
      // Page title dependent on legacy object formatting (https://github.com/TryGhost/Ghost/issues/10042)
      } else if (_.includes(context, 'page') && data.post) {
          if (options && options.property) {
              postSdTitle = options.property + '_title';
              title = data.post[postSdTitle] || '';
          } else {
              title = data.post.meta_title || data.post.title;
          }
      // Page title v2
      } else if (_.includes(context, 'page') && data.page) {
          if (options && options.property) {
              postSdTitle = options.property + '_title';
              title = data.page[postSdTitle] || '';
          } else {
              title = data.page.meta_title || data.page.title;
          }
      // Fallback
      } else {
          title = siteTitle + pageString;
      }
  
      return (title || '').trim();
  }
  
  module.exports = getTitle;
  