(function ($) {
  $(document).ready(function () {
    $(window).resize(function () {
      $('.dt-blog-equal-height').each(function () {
        equalise_articles($(this));
      });
    });

    $('.dt-blog-equal-height').each(function () {
      var blog = $(this);

      equalise_articles($(this));

      var observer = new MutationObserver(function (mutations) {
        equalise_articles(blog);
      });

      var config = {
        subtree: true,
        childList: true
      };

      observer.observe(blog[0], config);
    });

    function equalise_articles(blog) {
      var articles = blog.find('article');
      var heights = [];

      articles.each(function () {
        var height = 0;
        height += ($(this).find('.et_pb_image_container, .et_main_video_container').length != 0) ? $(this).find('.et_pb_image_container, .et_main_video_container').outerHeight(true) : 0;
        height += $(this).find('.entry-title').outerHeight(true);
        height += ($(this).find('.post-meta').length != 0) ? $(this).find('.post-meta').outerHeight(true) : 0;
        height += ($(this).find('.post-content').length != 0) ? $(this).find('.post-content').outerHeight(true) : 0;

        heights.push(height);
      });

      var max_height = Math.max.apply(Math, heights);

      articles.each(function () {
        $(this).height(max_height);
      });
    }

    $(document).ajaxComplete(function () {
      $('.dt-blog-equal-height').imagesLoaded().then(function () {
        $('.dt-blog-equal-height').each(function () {
          equalise_articles($(this));
        });
      });
    });

    $.fn.imagesLoaded = function () {
      var $imgs = this.find('img[src!=""]');
      var dfds = [];

      if (!$imgs.length) {
        return $.Deferred().resolve().promise();
      }

      $imgs.each(function () {
        var dfd = $.Deferred();
        dfds.push(dfd);
        var img = new Image();

        img.onload = function () {
          dfd.resolve();
        };

        img.onerror = function () {
          dfd.resolve();
        };

        img.src = this.src;
      });

      return $.when.apply($, dfds);
    }
  });
})(jQuery);