(function($) {

  var usdaFoodSearchEngine = new Bloodhound({
    initialize: false,
    datumTokenizer: function(datum) {
      return Bloodhound.tokenizers.whitespace(datum.name);
    },
    queryTokenizer: Bloodhound.tokenizers.whitespace,
    identify: function(datum) { return datum.ndbn; },
    sorter: function(a, b) {
      if (a.name < b.name) {
        return -1;
      } else if (b.name < a.name) {
        return 1;
      } else {
        return 0;
      }
    },
    remote: {
      url: '/ingredients/usda_food_search.json?query=%QUERY',
      wildcard: '%QUERY'
    }
  });

  $(document).on("ready page:load", function() {
    var $ingredientForm = $("#ingredient_form");

    if ($ingredientForm.length) {
      usdaFoodSearchEngine.initialize(false);
    }

    $ingredientForm.find(".ndbn_typeahead").typeahead_selector({

    },{
      name: 'usdaFoods',
      source: usdaFoodSearchEngine,
      display: function(datum) {
        return datum.name;
      }
    });
  });

})(jQuery);