/**

* Autocomplete wrapper.
*
* @author Htmlstream
* @version 1.0
*
*/

;(function ($) {

'use strict';

$.widget('custom.catcomplete', $.ui.autocomplete, {
  _create: function () {
    this._super();
    this.widget().menu('option', 'items', '> :not(.ui-autocomplete-category)');
  },
  _renderMenu: function (ul, items) {
    var that = this,
      currentCategory = '';
    $.each(items, function (index, item) {
      var li;

      if (!item.category) {
        li = that._renderItemData(ul, item);
        return;
      }

      if (item.category != currentCategory) {
        ul.append('<li class="ui-autocomplete-category">' + item.category + '</li>');
        currentCategory = item.category;
      }
      li = that._renderItemData(ul, item);
      if (item.category) {
        li.html(item.label);
        li.attr('aria-label', item.category + ' : ' + item.label);
      }
    });
  }
});

$.HSCore.components.HSAutocomplete = {
  /**
   *
   *
   * @var Object _baseConfig
   */
  _baseConfig: {
    minLength: 2
  },

  /**
   *
   *
   * @var jQuery pageCollection
   */
  pageCollection: $(),

  /**
   * Initialization of Autocomplete wrapper.
   *
   * @param String selector (optional)
   * @param Object config (optional)
   *
   * @return jQuery pageCollection - collection of initialized items.
   */

  init: function (selector, config) {

    this.collection = selector && $(selector).length ? $(selector) : $();
    if (!$(selector).length) return;

    this.config = config && $.isPlainObject(config) ?
      $.extend({}, this._baseConfig, config) : this._baseConfig;

    this.config.itemSelector = selector;

    this.initAutocomplete();

    return this.pageCollection;

  },

  initAutocomplete: function () {
    //Variables
    var $self = this,
      config = $self.config,
      collection = $self.pageCollection;

    //Actions
    this.collection.each(function (i, el) {
      var $this = $(el),
        dataUrl = $this.data('url');

      $.getJSON(dataUrl, function (data) {
        $this.catcomplete({
          delay: 0,
          source: data,
          dataType: 'json',
          minLength: config['minLength'],
          select: function (event, ui) {
            var currentItem = $(this);

            setTimeout(function () {
              var currentVal = currentItem.val();
              $(currentItem).val($(currentVal).get(0).textContent);
            }, 1);
          },
          focus: function (event, ui) {
            var currentItem = $(this);

            setTimeout(function () {
              var currentVal = currentItem.val();
              $(currentItem).val($(currentVal).get(0).textContent);
            });
          }
        });
      });

      //Actions
      collection = collection.add($this);
    });
  }

};

})(jQuery);