(function ($, D, ds, debounce) {

  D.behaviors.dabSolrSearch = {
    attach: function (context, settings) {

      //Close suggestion when click outside wrapper
      $(window).click(function() {
        var selector = '#dab-solr-search-block .dab-solr-search-results-wrapper';
        $(selector).addClass('hidden');
        $(selector).html('');
      });

      $('#dab-solr-search-block .dab-solr-search-form').click(function(event){
        event.stopPropagation();
      });

      // Init.
      $('.dab-solr-search-form', context).once('dabSolrSearchProcessed').each(function () {
        var $this = $(this);

        $this.on('keyup change paste', ':input', D.behaviors.dabSolrSearch.autocomplete);

        //Handle button disabling
        $this.on('keyup change paste', ':input', function (e) {
          e.preventDefault();
          if (this.tagName == 'INPUT') {
            var buttonSelector = $('.dab-solr-search-form-button');
            if ($(this).val().length <= 1) {
              buttonSelector.attr("disabled", true);
            } else {
              buttonSelector.removeAttr("disabled");
            }
          }
        });

        $this.find('.dab-solr-search-form-button').on('click', function (e) {
          e.preventDefault();
          e.stopPropagation();

          var url = D.url(D.behaviors.dabSolrSearch.path);
          var params = $.param({
            keys: D.behaviors.dabSolrSearch.keys,
            filter: D.behaviors.dabSolrSearch.category
          });

          if (params.length) {
            url += '?' + params;
          }

          window.location = D.url.toAbsolute(url);
        });

        $this.find('.dab-solr-search-form-categories').on('click', function (e) {
          e.preventDefault();
          e.stopPropagation();
        });

      });
    },
    autocomplete: debounce(function() {

        switch (this.tagName) {
          case 'SELECT':
            D.behaviors.dabSolrSearch.category = $(this).children(':selected').val();
            D.behaviors.dabSolrSearch.path = $(this).children(':selected').data('path');
            break;

          case 'INPUT':
            if (D.behaviors.dabSolrSearch.keys === $(this).val()) {
              return;
            }
            D.behaviors.dabSolrSearch.keys = $(this).val();
            break;
        }

        var selector = D.formatString('#!id .dab-solr-search-results-wrapper', {
          '!id': $(this).parents('.dab-solr-search-block').first().attr('id')
        });

        if (!$(this).hasClass('with-suggestions') || D.behaviors.dabSolrSearch.keys.length <= 1) {
          // Clear search.
          $(selector).addClass('hidden');
          $(selector).html('');
          return;
        }

        // Add loader
        $(selector).removeClass('hidden');
        $(selector).html('<div class="dab-loader"></div>');

        // Details of the ajax action.
        var ajaxSettings = {
          url: D.url.toAbsolute(ds.dabSolrSearch.autocompletePath),
          submit: {
            category: D.behaviors.dabSolrSearch.category,
            keys: D.behaviors.dabSolrSearch.keys,
            selector: selector
          }
        };

        var ajaxCall = D.ajax(ajaxSettings);
        ajaxCall.execute();

      }, 500, false),
    category: ds.dabSolrSearch.defaultCategory.id,
    path: ds.dabSolrSearch.defaultCategory.path,
    keys: '',
  };

  $.fn.handleAjaxSearch = function () {
    $(this).removeClass('hidden');
  };

  $.fn.clearAjaxSearch = function () {
    $(this).html('');
  };

})(jQuery, Drupal, drupalSettings, Drupal.debounce);