oroinc / orocommerce

    'use strict';

    var ContentVariantCollectionComponent;

    var _ = require('underscore');

    var $ = require('jquery');

    var mediator = require('oroui/js/mediator');

    var BaseComponent = require('oroui/js/app/components/base/component');

    ContentVariantCollectionComponent = BaseComponent.extend({

        options: {

            buttonSelector: '[data-role="variant-button"]',

            variantRemoveSelector: '[data-action="remove"]',

            collectionContainerSelector: '[data-role="collection-container"]'

        },

        /**

         * @inheritDoc

         */

        constructor: function ContentVariantCollectionComponent() {

            ContentVariantCollectionComponent.__super__.constructor.apply(this, arguments);

        },

        /**

         * @inheritDoc

         */

        initialize: function(options) {

            this.options = _.defaults(options || {}, this.options);

            this.$el = this.options._sourceElement;

            this.$el.on('click', this.options.buttonSelector, _.bind(this.onAdd, this));

            this.$el.on('click', this.options.variantRemoveSelector, _.bind(this.onRemove, this));

            this.prototypeName = this.$el.data('prototype-name') || '__name__';

            this.$collectionContainer = this.$el.find(this.options.collectionContainerSelector);

        },

        onAdd: function(e) {

            e.preventDefault();

            var $button = $(e.currentTarget);

            if ($button.attr('disabled')) {

                return;

            }

            var prototype = this.$el.data('prototype');

            if (prototype) {

                var index = parseInt(this.$el.data('last-index'));

                var nextItemHtml = prototype.replace(new RegExp(this.prototypeName, 'g'), index);

                this.$collectionContainer

                    .prepend(nextItemHtml)

                    .trigger('content:changed');

                this.$el.data('last-index', ++index);

                this.validateContainer();

            }

            mediator.trigger('cms:content-variant-collection:add', this.$el);

        },

        onRemove: function(e) {

            e.preventDefault();

            var item = $(e.target).closest('*[data-content]');

            item.remove();

            mediator.trigger('cms:content-variant-collection:remove', this.$el);

        },

        validateContainer: function() {

            var $validationField = this.$el.find('[data-name="collection-validation"]:first');

            var $form = $validationField.closest('form');

            if ($form.data('validator')) {

                $form.validate().element($validationField.get(0));

            }

        }

    });

    return ContentVariantCollectionComponent;

});