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

'use strict';

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

  version : '5.5.1',

  settings : {
    content_class : 'content',
    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() + '] > .accordion-navigation > a', function (e) {
      var accordion = S(this).closest('[' + self.attr_name() + ']'),
          groupSelector = self.attr_name() + '=' + accordion.attr(self.attr_name()),
          settings = accordion.data(self.attr_name(true) + '-init') || self.settings,
          target = S('#' + this.href.split('#')[1]),
          aunts = $('> .accordion-navigation', accordion),
          siblings = aunts.children('.' + settings.content_class),
          active_content = siblings.filter('.' + settings.active_class);

      e.preventDefault();

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

      if (settings.toggleable && target.is(active_content)) {
        target.parent('.accordion-navigation').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));