/**
 * @file
 * JavaScript behaviors for custom form #states.
 */

(function ($, Drupal) {
  // The change event is triggered by cut-n-paste and select menus.
  // Issue #2445271: #states element empty check not triggered on mouse
  // based paste.
  // @see https://www.drupal.org/node/2445271
  Drupal.states.Trigger.states.empty.change = function change() {
    return this.val() === '';
  };

  // Apply solution included in #1962800 patch.
  // Issue #1962800: Form #states not working with literal integers as
  // values in IE11.
  // @see https://www.drupal.org/project/drupal/issues/1962800
  // @see https://www.drupal.org/files/issues/core-states-not-working-with-integers-ie11_1962800_46.patch
  //
  // This issue causes pattern, less than, and greater than support to break.
  // @see https://www.drupal.org/project/webform/issues/2981724
  let states = Drupal.states;
  Drupal.states.Dependent.prototype.compare = function compare(reference, selector, state) {
    let value = this.values[selector][state.name];

    let name = reference.constructor.name;
    if (!name) {
      name = $.type(reference);

      name = name.charAt(0).toUpperCase() + name.slice(1);
    }
    if (name in states.Dependent.comparisons) {
      return states.Dependent.comparisons[name](reference, value);
    }

    if (reference.constructor.name in states.Dependent.comparisons) {
      return states.Dependent.comparisons[reference.constructor.name](reference, value);
    }

    return _compare2(reference, value);
  };
  function _compare2(a, b) {
    if (a === b) {
      return typeof a === 'undefined' ? a : true;
    }

    return typeof a === 'undefined' || typeof b === 'undefined';
  }

  // Adds pattern, less than, and greater than support to #state API.
  // @see http://drupalsun.com/julia-evans/2012/03/09/extending-form-api-states-regular-expressions
  Drupal.states.Dependent.comparisons.Object = function (reference, value) {
    console.log(reference);
    console.log(value);
    if ('pattern' in reference) {
      return (new RegExp(reference['pattern'])).test(value);
    }
    else if ('!pattern' in reference) {
      return !((new RegExp(reference['!pattern'])).test(value));
    }
    else if ('less' in reference) {
      return (value !== '' && parseFloat(reference['less']) > parseFloat(value));
    }
    else if ('greater' in reference) {
      return (value !== '' && parseFloat(reference['greater']) < parseFloat(value));
    }
    else {
      return reference.indexOf(value) !== false;
    }
  };
})(jQuery, Drupal);