/**
* DO NOT EDIT THIS FILE.
* See the following change record for more information,
* https://www.drupal.org/node/2815083
* @preserve
**/

(function ($, Drupal, drupalSettings, storage) {
  var currentUserID = parseInt(drupalSettings.user.uid, 10);

  var secondsIn30Days = 2592000;
  var thirtyDaysAgo = Math.round(new Date().getTime() / 1000) - secondsIn30Days;

  var embeddedLastReadTimestamps = false;
  if (drupalSettings.history && drupalSettings.history.lastReadTimestamps) {
    embeddedLastReadTimestamps = drupalSettings.history.lastReadTimestamps;
  }

  Drupal.history = {
    fetchTimestamps: function fetchTimestamps(nodeIDs, callback) {
      if (embeddedLastReadTimestamps) {
        callback();
        return;
      }

      $.ajax({
        url: Drupal.url('history/get_node_read_timestamps'),
        type: 'POST',
        data: { 'node_ids[]': nodeIDs },
        dataType: 'json',
        success: function success(results) {
          Object.keys(results || {}).forEach(function (nodeID) {
            storage.setItem('Drupal.history.' + currentUserID + '.' + nodeID, results[nodeID]);
          });
          callback();
        }
      });
    },
    getLastRead: function getLastRead(nodeID) {
      if (embeddedLastReadTimestamps && embeddedLastReadTimestamps[nodeID]) {
        return parseInt(embeddedLastReadTimestamps[nodeID], 10);
      }
      return parseInt(storage.getItem('Drupal.history.' + currentUserID + '.' + nodeID) || 0, 10);
    },
    markAsRead: function markAsRead(nodeID) {
      $.ajax({
        url: Drupal.url('history/' + nodeID + '/read'),
        type: 'POST',
        dataType: 'json',
        success: function success(timestamp) {
          if (embeddedLastReadTimestamps && embeddedLastReadTimestamps[nodeID]) {
            return;
          }

          storage.setItem('Drupal.history.' + currentUserID + '.' + nodeID, timestamp);
        }
      });
    },
    needsServerCheck: function needsServerCheck(nodeID, contentTimestamp) {
      if (contentTimestamp < thirtyDaysAgo) {
        return false;
      }

      if (embeddedLastReadTimestamps && embeddedLastReadTimestamps[nodeID]) {
        return contentTimestamp > parseInt(embeddedLastReadTimestamps[nodeID], 10);
      }

      var minLastReadTimestamp = parseInt(storage.getItem('Drupal.history.' + currentUserID + '.' + nodeID) || 0, 10);
      return contentTimestamp > minLastReadTimestamp;
    }
  };
})(jQuery, Drupal, drupalSettings, window.localStorage);