/**
 * @file
 * Attaches behaviors for the Clientside Validation jQuery module.
 */
(function ($, Drupal, debounce, CKEDITOR) {
  /**
   * Attaches jQuery validate behavoir to forms.
   *
   * @type {Drupal~behavior}
   *
   * @prop {Drupal~behaviorAttach} attach
   *  Attaches the outline behavior to the right context.
   */
  Drupal.behaviors.cvJqueryValidateCKEditor = {
    attach: function (context) {
      if (typeof CKEDITOR === 'undefined') {
        return;
      }
      var ignore = ':hidden';
      var not = [];
      for (var instance in CKEDITOR.instances) {
        if (CKEDITOR.instances.hasOwnProperty(instance)) {
          not.push('#' + instance);
        }
      }
      ignore += not.length ? ':not(' + not.join(', ') + ')' : '';
      $('form').each(function () {
        var validator = $(this).data('validator');
        if (!validator) {
          return;
        }
        validator.settings.ignore = ignore;
        validator.settings.errorPlacement = function(place, $element) {
          var id = $element.attr('id');
          var afterElement = $element[0];
          if (CKEDITOR.instances.hasOwnProperty(id)) {
            afterElement = CKEDITOR.instances[id].container.$;
          }
          place.insertAfter(afterElement);
        };
      });
      var updateText = function (instance) {
        return debounce(function (e) {
          instance.updateElement();
          var event = $.extend(true, {}, e.data.$);
          delete event.target;
          delete event.explicitOriginalTarget;
          delete event.originalTarget;
          delete event.currentTarget;
          $(instance.element.$).trigger(new $.Event(e.name, event));
        }, 250);
      };
      CKEDITOR.on('instanceReady', function () {
        for (var instance in CKEDITOR.instances) {
          if (CKEDITOR.instances.hasOwnProperty(instance)) {
            CKEDITOR.instances[instance].document.on("keyup", updateText(CKEDITOR.instances[instance]));
            CKEDITOR.instances[instance].document.on("paste", updateText(CKEDITOR.instances[instance]));
            CKEDITOR.instances[instance].document.on("keypress", updateText(CKEDITOR.instances[instance]));
            CKEDITOR.instances[instance].document.on("blur", updateText(CKEDITOR.instances[instance]));
            CKEDITOR.instances[instance].document.on("change", updateText(CKEDITOR.instances[instance]));
          }
        }
      });
    }
  };
})(jQuery, Drupal, Drupal.debounce, (typeof CKEDITOR === 'undefined') ? undefined : CKEDITOR);