;(function ($, window, document, undefined) {

'use strict';

Foundation.libs.accordion = {
  name : 'accordion',

  version : '5.3.0',

  settings : {
    active_class: 'active',
    multi_expand: false,
    toggleable: true,
    callback : function () {}
  },

  init : function (scope, method, options) {
    this.bindings(method, options);
  },

  events : function () {
    var self = this;
    var S = this.S;
    S(this.scope)
    .off('.fndtn.accordion')
    .on('click.fndtn.accordion', '[' + this.attr_name() + '] > dd > a', function (e) {
      var accordion = S(this).closest('[' + self.attr_name() + ']'),
          target = S('#' + this.href.split('#')[1]),
          siblings = S('dd > .content', accordion),
          aunts = $('dd', accordion),
          groupSelector = self.attr_name() + '=' + accordion.attr(self.attr_name()),
          settings = accordion.data(self.attr_name(true) + '-init'),
          active_content = S('dd > .content.' + settings.active_class, accordion);
      e.preventDefault();

      if (accordion.attr(self.attr_name())) {
        siblings = siblings.add('[' + groupSelector + '] dd > .content');
        aunts = aunts.add('[' + groupSelector + '] dd');
      }

      if (settings.toggleable && target.is(active_content)) {
        target.parent('dd').toggleClass(settings.active_class, false);
        target.toggleClass(settings.active_class, false);
        settings.callback(target);
        target.triggerHandler('toggled', [accordion]);
        accordion.triggerHandler('toggled', [target]);
        return;
      }

      if (!settings.multi_expand) {
        siblings.removeClass(settings.active_class);
        aunts.removeClass(settings.active_class);
      }

      target.addClass(settings.active_class).parent().addClass(settings.active_class);
      settings.callback(target);
      target.triggerHandler('toggled', [accordion]);
      accordion.triggerHandler('toggled', [target]);
    });
  },

  off : function () {},

  reflow : function () {}
};

}(jQuery, window, window.document));