(function () {
  'use strict';

  /**
   * @copyright  (C) 2018 Open Source Matters, Inc. <https://www.joomla.org>
   * @license    GNU General Public License version 2 or later; see LICENSE.txt
   */
  (function (document) {
    var updateBannerFields = function updateBannerFields(value) {
      var imgWrapper = document.getElementById('image');
      var custom = document.getElementById('custom');

      switch (value) {
        case '0':
          // Image
          imgWrapper.classList.remove('hidden');
          custom.classList.add('hidden');
          break;

        case '1':
          // Custom
          imgWrapper.classList.add('hidden');
          custom.classList.remove('hidden');
          break;
      }
    };

    document.addEventListener('DOMContentLoaded', function () {
      var jformType = document.getElementById('jform_type');

      if (jformType) {
        // Hide/show parameters initially
        updateBannerFields(jformType.value); // Hide/show parameters when the type has been selected

        jformType.addEventListener('change', function (_ref) {
          var target = _ref.target;
          updateBannerFields(target.value);
        });
      }
    });
  })(document);

}());
