(function ($) {

    'use strict';

    var PremiumTempsData = window.PremiumTempsData || {},
        PremiumEditor,
        PremiumEditorViews,
        PremiumControlsViews,
        PremiumModules;

    PremiumEditorViews = {

        ModalLayoutView: null,
        ModalHeaderView: null,
        ModalHeaderInsertButton: null,
        ModalLoadingView: null,
        ModalBodyView: null,
        ModalErrorView: null,
        ModalInvalidLicenseErrorView: null,
        ModalDisabledElementErrorView: null,
        LibraryCollection: null,
        KeywordsModel: null,
        ModalCollectionView: null,
        FiltersCollectionView: null,
        FiltersItemView: null,
        ModalTemplateItemView: null,
        ModalInsertTemplateBehavior: null,
        ModalTemplateModel: null,
        CategoriesCollection: null,
        ModalPreviewView: null,
        ModalHeaderBack: null,
        ModalHeaderLogo: null,
        ModalHeaderMenu: null,
        KeywordsView: null,
        SearchFieldView: null,
        TabModel: null,
        CategoryModel: null,

        init: function () {
            var self = this;

            self.ModalTemplateModel = Backbone.Model.extend({
                defaults: {
                    template_id: 0,
                    name: '',
                    title: '',
                    thumbnail: '',
                    preview: '',
                    source: '',
                    categories: [],
                    keywords: []
                }
            });

            self.ModalHeaderView = Marionette.LayoutView.extend({

                id: 'premium-template-modal-header',
                template: '#tmpl-premium-template-modal-header',

                ui: {
                    closeModal: '#premium-template-modal-header-close-modal'
                },

                events: {
                    'click @ui.closeModal': 'onCloseModalClick'
                },

                regions: {
                    headerLogo: '#premium-template-modal-header-logo-area',
                    headerTabs: '#premium-template-modal-header-tabs',
                    headerActions: '#premium-template-modal-header-actions'
                },

                onCloseModalClick: function () {
                    PremiumEditor.closeModal();
                }

            });

            self.TabModel = Backbone.Model.extend({
                defaults: {
                    slug: '',
                    title: ''
                }
            });

            self.LibraryCollection = Backbone.Collection.extend({
                model: self.ModalTemplateModel
            });

            self.CategoryModel = Backbone.Model.extend({
                defaults: {
                    slug: '',
                    title: ''
                }
            });

            self.KeywordsModel = Backbone.Model.extend({
                defaults: {
                    keywords: {}
                }
            });

            self.DisableElementModel = Backbone.Model.extend({
                defaults: {
                    name: '',
                    url: '',
                    widgetURL: ''
                }
            });

            self.CategoriesCollection = Backbone.Collection.extend({
                model: self.CategoryModel
            });

            self.KeywordsView = Marionette.ItemView.extend({
                id: 'elementor-template-library-filter',
                template: '#tmpl-premium-template-modal-keywords',
                ui: {
                    keywords: '.premium-library-keywords'
                },

                events: {
                    'change @ui.keywords': 'onSelectKeyword'
                },

                onSelectKeyword: function (event) {
                    var selected = event.currentTarget.selectedOptions[0].value;
                    PremiumEditor.setFilter('keyword', selected);
                },

                onRender: function () {
                    var $filters = this.$('.premium-library-keywords');
                    $filters.select2({
                        placeholder: 'Choose Widget',
                        allowClear: true,
                        width: 250,
                        dropdownParent: this.$el
                    });
                }
            });

            self.SearchFieldView = Marionette.ItemView.extend({

                id: 'elementor-template-library-filter-text-wrapper',

                template: '#tmpl-premium-template-modal-search-field',
                ui: {
                    searchField: '#elementor-template-library-filter-text'
                },

                events: {
                    'keyup @ui.searchField': 'onSearchInput'
                },

                onSearchInput: function (event) {
                    var searchQuery = $(event.target).val();
                    PremiumEditor.setFilter('search', searchQuery);
                },


            });

            self.ModalPreviewView = Marionette.ItemView.extend({

                template: '#tmpl-premium-template-modal-preview',

                id: 'premium-templatate-item-preview-wrap',

                ui: {
                    iframe: 'iframe',
                    notice: '.premium-template-item-notice'
                },


                onRender: function () {

                    if (null !== this.getOption('notice')) {
                        if (this.getOption('notice').length) {
                            var message = "";
                            if (-1 !== this.getOption('notice').indexOf("facebook")) {
                                message += "<p>Please login with your account in order to get your data.</p>";
                            } else if (-1 !== this.getOption('notice').indexOf("google")) {
                                message += "<p>You need to add your Google API key from Dashboard -> Premium Add-ons for Elementor -> Google Maps</p>";
                            } else if (-1 !== this.getOption('notice').indexOf("form")) {
                                message += "<p>You need to have <a href='https://wordpress.org/plugins/contact-form-7/' target='_blank'>Contact Form 7 plugin</a> installed and active.</p>";
                            } else if (-1 !== this.getOption('notice').indexOf("woocommerce")) {
                                message += "<p>You need to have WooCommerce plugin installed to use this template.</p>";
                            }

                            this.ui.notice.html('<div><p><strong>Important!</strong></p>' + message + '</div>');
                        }
                    }

                    this.ui.iframe.attr('src', this.getOption('url'));

                }
            });

            self.ModalHeaderBack = Marionette.ItemView.extend({

                template: '#tmpl-premium-template-modal-header-back',

                id: 'premium-template-modal-header-back',

                ui: {
                    button: 'button'
                },

                events: {
                    'click @ui.button': 'onBackClick',
                },

                onBackClick: function () {
                    PremiumEditor.setPreview('back');
                }

            });

            self.ModalHeaderLogo = Marionette.ItemView.extend({

                template: '#tmpl-premium-template-modal-header-logo',

                id: 'premium-template-modal-header-logo'

            });

            self.ModalBodyView = Marionette.LayoutView.extend({

                id: 'premium-template-library-content',

                className: function () {
                    return 'library-tab-' + PremiumEditor.getTab();
                },

                template: '#tmpl-premium-template-modal-content',

                regions: {
                    contentTemplates: '.premium-templates-list',
                    contentFilters: '.premium-filters-list',
                    contentKeywords: '.premium-keywords-list',
                    searchField: '.premium-templates-search'
                }

            });

            self.ModalInsertTemplateBehavior = Marionette.Behavior.extend({
                ui: {
                    insertButtons: ['.premium-template-insert', '.premium-template-insert-no-media'],
                },

                events: {
                    'click @ui.insertButtons': 'onInsertButtonClick'
                },

                onInsertButtonClick: function (event) {

                    var templateModel = this.view.model,
                        innerTemplates = templateModel.attributes.dependencies,
                        isPro = templateModel.attributes.pro,
                        innerTemplatesLength = Object.keys(innerTemplates).length,
                        options = {},
                        insertMedia = !$(event.currentTarget).hasClass("premium-template-insert-no-media");

                    PremiumEditor.layout.showLoadingView();
                    if (innerTemplatesLength > 0) {
                        for (var key in innerTemplates) {
                            $.ajax({
                                url: ajaxurl,
                                type: 'post',
                                dataType: 'json',
                                data: {
                                    action: 'premium_inner_template',
                                    template: innerTemplates[key],
                                    tab: PremiumEditor.getTab(),
                                    withMedia: insertMedia
                                }
                            });
                        }
                    }

                    if ("valid" === PremiumTempsData.license.status || !isPro) {

                        elementor.templates.requestTemplateContent(
                            templateModel.get('source'),
                            templateModel.get('template_id'), {
                            data: {
                                tab: PremiumEditor.getTab(),
                                page_settings: false,
                                withMedia: insertMedia
                            },
                            success: function (data) {

                                var isError = false;

                                if (data.invalid) {
                                    PremiumEditor.layout.showInvalidLicenseError();
                                    return;
                                }

                                if (!data.license) {
                                    PremiumEditor.layout.showLicenseError();
                                    return;
                                }

                                console.log("%c Template Inserted Successfully!!", "color: #7a7a7a; background-color: #eee;");

                                elementor.channels.data.trigger('template:before:insert', templateModel);

                                if (null !== PremiumEditor.atIndex) {
                                    options.at = PremiumEditor.atIndex;
                                }

                                try {

                                    elementor.previewView.addChildModel(data.content, options);

                                    elementor.channels.data.trigger('template:after:insert', templateModel);

                                } catch (error) {

                                    var errorMessage = error.message,
                                        isError = -1 !== errorMessage.indexOf('Element type not found');

                                    errorMessage = errorMessage.replace('Element type not found: ', '');
                                    errorMessage = errorMessage.replace(/'/g, '');

                                    PremiumEditor.layout.showDisabledElementError(errorMessage);

                                }

                                if (!isError)
                                    PremiumEditor.closeModal();

                                jQuery("#elementor-panel-saver-button-save-options, #elementor-panel-saver-button-publish").removeClass("elementor-disabled");

                                PremiumEditor.atIndex = null;

                            },
                            error: function (err) {
                                console.log(err);
                            }
                        }
                        );
                    } else {
                        PremiumEditor.layout.showLicenseError();
                    }
                }
            });

            self.ModalHeaderInsertButton = Marionette.ItemView.extend({

                template: '#tmpl-premium-template-modal-insert-button',

                id: 'premium-template-modal-insert-button',

                behaviors: {
                    insertTemplate: {
                        behaviorClass: self.ModalInsertTemplateBehavior
                    }
                }

            });

            self.FiltersItemView = Marionette.ItemView.extend({

                template: '#tmpl-premium-template-modal-filters-item',

                className: function () {
                    return 'premium-template-filter-item';
                },

                ui: function () {
                    return {
                        filterLabels: '.premium-template-filter-label'
                    };
                },

                events: function () {
                    return {
                        'click @ui.filterLabels': 'onFilterClick'
                    };
                },

                onFilterClick: function (event) {

                    var $clickedInput = jQuery(event.target);
                    jQuery('.premium-library-keywords').val('');
                    PremiumEditor.setFilter('category', $clickedInput.val());
                    PremiumEditor.setFilter('keyword', '');
                }

            });

            self.FiltersCollectionView = Marionette.CompositeView.extend({

                id: 'premium-template-library-filters',

                template: '#tmpl-premium-template-modal-filters',

                childViewContainer: '#premium-modal-filters-container',

                getChildView: function () {
                    return self.FiltersItemView;
                }

            });

            //Filter Tabs (new)
            self.ModalTabsView = Marionette.ItemView.extend({

                template: '#tmpl-premium-template-modal-tabs',

                id: "elementor-template-library-header-menu",

                templateHelpers: function () {

                    return {
                        tabs: PremiumEditor.getTabs()
                    }
                },

                ui: function () {
                    return {
                        filterTab: ".elementor-template-library-menu-item",
                    };
                },

                events: function () {
                    return {
                        'click @ui.filterTab': 'onTabClick'
                    };
                },

                onTabClick: function (event) {

                    var $clickedInput = jQuery(event.target);

                    PremiumEditor.setTab($clickedInput.data('tab'));
                    PremiumEditor.setFilter('keyword', '');
                }

            });

            self.ModalTemplateItemView = Marionette.ItemView.extend({

                template: '#tmpl-premium-template-modal-item',

                className: function () {

                    var urlClass = ' premium-template-has-url',
                        sourceClass = ' elementor-template-library-template-',
                        proTemplate = '';

                    if ('' === this.model.get('preview')) {
                        urlClass = ' premium-template-no-url';
                    }

                    sourceClass += 'remote';

                    if (this.model.get('pro')) {
                        proTemplate = ' premium-template-pro';
                    }

                    if (this.model.get('notice')) {
                        if (-1 !== this.model.get('notice').indexOf('container'))
                            proTemplate += ' premium-template-flexbox';
                    }

                    return 'elementor-template-library-template' + sourceClass + urlClass + proTemplate;
                },

                ui: function () {
                    return {
                        previewButton: '.elementor-template-library-template-preview',
                    };
                },

                events: function () {
                    return {
                        'click @ui.previewButton': 'onPreviewButtonClick',
                    };
                },

                onPreviewButtonClick: function () {

                    if ('' === this.model.get('url')) {
                        return;
                    }

                    PremiumEditor.setPreview(this.model);
                },

                behaviors: {
                    insertTemplate: {
                        behaviorClass: self.ModalInsertTemplateBehavior
                    }
                }
            });

            self.ModalCollectionView = Marionette.CompositeView.extend({

                template: '#tmpl-premium-template-modal-templates',

                id: 'premium-template-library-templates',

                childViewContainer: '#premium-modal-templates-container',

                initialize: function () {

                    this.listenTo(PremiumEditor.channels.templates, 'filter:change', this._renderChildren);
                },

                filter: function (childModel) {

                    var filter = PremiumEditor.getFilter('category'),
                        keyword = PremiumEditor.getFilter('keyword'),
                        search = PremiumEditor.getFilter('search');

                    if (!filter && !keyword && !search) {
                        return true;
                    }

                    if (search) {
                        // console.log(childModel.get('template_id'), parseInt(search));

                        var foundKeywords = childModel.get('keywords').find(function (keyword) {
                            return -1 != keyword.indexOf(search)
                        });

                        // console.log(foundKeywords);

                        return childModel.get('template_id') === parseInt(search);
                    }

                    if (keyword && !filter) {
                        return _.contains(childModel.get('keywords'), keyword);
                    }

                    if (filter && !keyword) {
                        return _.contains(childModel.get('categories'), filter);
                    }

                    return _.contains(childModel.get('categories'), filter) && _.contains(childModel.get('keywords'), keyword);

                },

                getChildView: function () {
                    return self.ModalTemplateItemView;
                },

                onRenderCollection: function () {

                    var container = this.$childViewContainer,
                        items = this.$childViewContainer.children(),
                        tab = PremiumEditor.getTab();

                    if ('premium_page' === tab || 'local' === tab) {
                        return;
                    }

                    // Wait for thumbnails to be loaded
                    var elementorMasonry;
                    elementorMasonry = new elementorModules.utils.Masonry({
                        container: container,
                        items: items
                    });

                    setTimeout(function () {
                        container.imagesLoaded(elementorMasonry.run.bind(elementorMasonry));
                    }, 1000);
                }

            });

            self.ModalLayoutView = Marionette.LayoutView.extend({

                el: '#premium-template-modal',

                regions: PremiumTempsData.modalRegions,

                initialize: function () {

                    this.getRegion('modalHeader').show(new self.ModalHeaderView());
                    this.listenTo(PremiumEditor.channels.tabs, 'filter:change', this.switchTabs);
                    this.listenTo(PremiumEditor.channels.layout, 'preview:change', this.switchPreview);

                },

                switchTabs: function () {
                    this.showLoadingView();
                    PremiumEditor.setFilter('keyword', '');
                    PremiumEditor.requestTemplates(PremiumEditor.getTab());
                },

                switchPreview: function () {

                    var header = this.getHeaderView(),
                        preview = PremiumEditor.getPreview();

                    var filter = PremiumEditor.getFilter('category'),
                        keyword = PremiumEditor.getFilter('keyword');

                    if (['back', 'initial'].includes(preview)) {
                        header.headerActions.$el.addClass('header-actions-hidden');
                        jQuery('#premium-template-modal-header-tabs').removeClass('insert-temp-preview');
                    } else {
                        jQuery('.header-actions-hidden').removeClass('header-actions-hidden');
                        jQuery('#premium-template-modal-header-tabs').addClass('insert-temp-preview');
                    }

                    if ('back' === preview) {

                        header.headerLogo.show(new self.ModalHeaderLogo());
                        header.headerTabs.show(new self.ModalTabsView());

                        header.headerActions.empty();
                        PremiumEditor.setTab(PremiumEditor.getTab());

                        if ('' != filter) {
                            PremiumEditor.setFilter('category', filter);
                            jQuery('#premium-modal-filters-container').find("input[value='" + filter + "']").prop('checked', true);

                        }

                        if ('' != keyword) {
                            PremiumEditor.setFilter('keyword', keyword);
                        }

                        return;
                    }

                    if ('initial' === preview) {
                        header.headerActions.empty();
                        header.headerLogo.show(new self.ModalHeaderLogo());
                        return;
                    }

                    this.getRegion('modalContent').show(new self.ModalPreviewView({
                        'preview': preview.get('preview'),
                        'url': preview.get('preview_url'),
                        'notice': preview.get('notice')
                    }));

                    header.headerLogo.empty();
                    header.headerTabs.show(new self.ModalHeaderBack());
                    header.headerActions.show(new self.ModalHeaderInsertButton({
                        model: preview
                    }));

                },

                getHeaderView: function () {
                    return this.getRegion('modalHeader').currentView;
                },

                getContentView: function () {
                    return this.getRegion('modalContent').currentView;
                },

                showLoadingView: function () {
                    this.modalContent.show(new self.ModalLoadingView());
                },

                showLicenseError: function () {
                    this.modalContent.show(new self.ModalErrorView());
                },

                showInvalidLicenseError: function () {
                    this.modalContent.show(new self.ModalInvalidLicenseErrorView());
                },

                showDisabledElementError: function (error) {

                    var _this = this;

                    $.ajax({
                        url: ajaxurl,
                        type: 'GET',
                        data: {
                            action: 'get_pa_element_data',
                            element: error,
                        },
                        success: function (response) {

                            if (!response.data)
                                return;

                            console.log(response);

                            var disabledElementModel = new self.DisableElementModel({
                                name: response.data.name,
                                url: response.data.url,
                                widgetURL: response.data.widgetURL,
                            });

                            _this.modalContent.show(new self.ModalDisabledElementErrorView({
                                model: disabledElementModel
                            }));
                        }
                    });


                },

                showTemplatesView: function (templatesCollection, categoriesCollection, keywords) {

                    this.getRegion('modalContent').show(new self.ModalBodyView());

                    var contentView = this.getContentView(),
                        tabName = PremiumEditor.getTab(),
                        header = this.getHeaderView(),
                        keywordsModel = new self.KeywordsModel({
                            keywords: keywords
                        });

                    header.headerTabs.show(new self.ModalTabsView());

                    contentView.contentTemplates.show(new self.ModalCollectionView({
                        collection: templatesCollection
                    }));

                    if ('premium_section' === tabName) {

                        contentView.searchField.show(new self.SearchFieldView());

                        contentView.contentFilters.show(new self.FiltersCollectionView({
                            collection: categoriesCollection
                        }));

                        contentView.contentKeywords.show(new self.KeywordsView({
                            model: keywordsModel
                        }));

                    }

                }

            });

            self.ModalLoadingView = Marionette.ItemView.extend({
                id: 'premium-template-modal-loading',
                template: '#tmpl-premium-template-modal-loading'
            });

            self.ModalErrorView = Marionette.ItemView.extend({
                id: 'premium-template-modal-error',
                template: '#tmpl-premium-template-modal-error'
            });

            self.ModalInvalidLicenseErrorView = Marionette.ItemView.extend({
                id: 'premium-template-invalid-license-error',
                template: '#tmpl-premium-template-invalid-license-error'
            });

            self.ModalDisabledElementErrorView = Marionette.ItemView.extend({
                id: 'premium-template-disabled-element-error',
                template: '#tmpl-premium-template-disabled-element-error'
            });

        },

        masonry: {

            self: {},
            elements: {},

            init: function (settings) {

                var self = this;
                self.settings = $.extend(self.getDefaultSettings(), settings);
                self.elements = self.getDefaultElements();

                self.run();
            },

            getSettings: function (key) {
                if (key) {
                    return this.settings[key];
                } else {
                    return this.settings;
                }
            },

            getDefaultSettings: function () {
                return {
                    container: null,
                    items: null,
                    columnsCount: 3,
                    verticalSpaceBetween: 30
                };
            },

            getDefaultElements: function () {
                return {
                    $container: jQuery(this.getSettings('container')),
                    $items: jQuery(this.getSettings('items'))
                };
            },

            run: function () {
                var heights = [],
                    distanceFromTop = this.elements.$container.position().top,
                    settings = this.getSettings(),
                    columnsCount = settings.columnsCount;

                distanceFromTop += parseInt(this.elements.$container.css('margin-top'), 10);

                this.elements.$container.height('');

                this.elements.$items.each(function (index) {
                    var row = Math.floor(index / columnsCount),
                        indexAtRow = index % columnsCount,
                        $item = jQuery(this),
                        itemPosition = $item.position(),
                        itemHeight = $item[0].getBoundingClientRect().height + settings.verticalSpaceBetween;

                    if (row) {
                        var pullHeight = itemPosition.top - distanceFromTop - heights[indexAtRow];
                        pullHeight -= parseInt($item.css('margin-top'), 10);
                        pullHeight *= -1;
                        $item.css('margin-top', pullHeight + 'px');
                        heights[indexAtRow] += itemHeight;
                    } else {
                        heights.push(itemHeight);
                    }
                });

                this.elements.$container.height(Math.max.apply(Math, heights));
            }
        }

    };

    PremiumControlsViews = {

        PremiumSearchView: null,

        init: function () {

            var self = this;

            self.PremiumSearchView = window.elementor.modules.controls.BaseData.extend({

                onReady: function () {

                    var action = this.model.attributes.action,
                        queryParams = this.model.attributes.query_params;

                    this.ui.select.find('option').each(function (index, el) {
                        $(this).attr('selected', true);
                    });

                    this.ui.select.select2({
                        ajax: {
                            url: function () {

                                var query = '';

                                if (queryParams.length > 0) {
                                    $.each(queryParams, function (index, param) {

                                        if (window.elementor.settings.page.model.attributes[param]) {
                                            query += '&' + param + '=' + window.elementor.settings.page.model.attributes[param];
                                        }
                                    });
                                }

                                return ajaxurl + '?action=' + action + query;
                            },
                            dataType: 'json'
                        },
                        placeholder: 'Please enter 3 or more characters',
                        minimumInputLength: 3
                    });

                },

                onBeforeDestroy: function () {

                    if (this.ui.select.data('select2')) {
                        this.ui.select.select2('destroy');
                    }

                    this.$el.remove();
                }

            });

            window.elementor.addControlView('premium_search', self.PremiumSearchView);

        }

    };


    PremiumModules = {

        getDataToSave: function (data) {
            data.id = window.elementor.config.post_id;
            return data;
        },

        init: function () {
            if (window.elementor.settings.premium_template) {
                window.elementor.settings.premium_template.getDataToSave = this.getDataToSave;
            }

            if (window.elementor.settings.premium_page) {
                window.elementor.settings.premium_page.getDataToSave = this.getDataToSave;
                window.elementor.settings.premium_page.changeCallbacks = {
                    custom_header: function () {
                        this.save(function () {
                            elementor.reloadPreview();

                            elementor.once('preview:loaded', function () {
                                elementor.getPanelView().setPage('premium_page_settings');
                            });
                        });
                    },
                    custom_footer: function () {
                        this.save(function () {
                            elementor.reloadPreview();

                            elementor.once('preview:loaded', function () {
                                elementor.getPanelView().setPage('premium_page_settings');
                            });
                        });
                    }
                };
            }

        }

    };

    PremiumEditor = {

        modal: false,
        layout: false,
        collections: {},
        tabs: {},
        defaultTab: '',
        channels: {},
        atIndex: null,

        init: function () {

            $(document).ready(function () {
                PremiumEditor.initPremTempsButton();
            });

            window.elementor.on('document:loaded', window._.bind(PremiumEditor.onPreviewLoaded, PremiumEditor));

            PremiumEditorViews.init();
            PremiumControlsViews.init();
            PremiumModules.init();

        },

        onPreviewLoaded: function () {

            window.elementor.$previewContents.on(
                'click.addPremiumTemplate',
                '.pa-add-section-btn',
                _.bind(this.showTemplatesModal, this)
            );

            this.channels = {
                templates: Backbone.Radio.channel('PREMIUM_EDITOR:templates'),
                tabs: Backbone.Radio.channel('PREMIUM_EDITOR:tabs'),
                layout: Backbone.Radio.channel('PREMIUM_EDITOR:layout'),
            };

            this.tabs = PremiumTempsData.tabs;
            this.defaultTab = PremiumTempsData.defaultTab;

        },

        initPremTempsButton: function () {

            var addPremiumTemplate = '<div class="elementor-add-section-area-button pa-add-section-btn" title="Add Premium Template"><i class="eicon-star"></i></div>',
                addSectionTmpl = $("#tmpl-elementor-add-section");

            if (addSectionTmpl.length < 1)
                return;

            var addSectionTmplHTML = addSectionTmpl.html();

            addSectionTmplHTML = addSectionTmplHTML.replace('<div class="elementor-add-section-area-button', addPremiumTemplate + '<div class="elementor-add-section-area-button');

            addSectionTmpl.html(addSectionTmplHTML);

        },

        getFilter: function (name) {

            return this.channels.templates.request('filter:' + name);
        },

        setFilter: function (name, value) {
            this.channels.templates.reply('filter:' + name, value);
            this.channels.templates.trigger('filter:change');
        },

        getTab: function () {
            return this.channels.tabs.request('filter:tabs');
        },

        setTab: function (value, silent) {

            this.channels.tabs.reply('filter:tabs', value);

            if (!silent) {
                this.channels.tabs.trigger('filter:change');
            }

        },

        getTabs: function () {

            var tabs = [];

            _.each(this.tabs, function (item, slug) {

                tabs.push({
                    slug: slug,
                    title: item.title,
                    active: slug === PremiumEditor.getTab()
                });
            });

            return tabs;
        },

        getPreview: function () {
            return this.channels.layout.request('preview');
        },

        setPreview: function (value, silent) {

            this.channels.layout.reply('preview', value);

            if (!silent) {
                this.channels.layout.trigger('preview:change');
            }
        },

        getKeywords: function () {

            var keywords = [];

            _.each(this.keywords, function (title, slug) {
                tabs.push({
                    slug: slug,
                    title: title
                });
            });

            return keywords;
        },

        showTemplatesModal: function (_this) {

            var $this = $(_this.target),
                // The section above the add new section box.
                $addSection = $this.closest('.elementor-add-section'),
                $prevSections = $addSection.prev(".elementor-top-section"),
                $nextSections = $addSection.next(".elementor-top-section"),
                modelID = $prevSections.data('model-cid');

            if (elementor.previewView.collection.length) {
                $.each(elementor.previewView.collection.models, function (index, model) {
                    //Trying to insert before at the beginning of the page.
                    if ('undefined' === typeof modelID && $nextSections.length > 0) {
                        PremiumEditor.atIndex = 0;
                    } else if (modelID === model.cid) {
                        PremiumEditor.atIndex = index + 1;
                    }
                });
            }

            //If at the end of the page atIndex = null

            this.getModal().show();

            if (!this.layout) {
                this.layout = new PremiumEditorViews.ModalLayoutView();
                this.layout.showLoadingView();
            }

            this.setTab(this.defaultTab, true);
            this.requestTemplates(this.defaultTab);
            this.setPreview('initial');

        },

        requestTemplates: function (tabName) {

            var self = this,
                tab = self.tabs[tabName];

            self.setFilter('category', false);

            if (tab.data.templates && tab.data.categories) {
                self.layout.showTemplatesView(tab.data.templates, tab.data.categories, tab.data.keywords);
            } else {

                $.ajax({
                    url: ajaxurl,
                    type: 'get',
                    dataType: 'json',
                    data: {
                        action: 'premium_get_templates',
                        tab: tabName
                    },
                    success: function (response) {

                        console.log("%c Templates Retrieved Successfully!!", "color: #7a7a7a; background-color: #eee;");

                        var templates = new PremiumEditorViews.LibraryCollection(response.data.templates),
                            categories = new PremiumEditorViews.CategoriesCollection(response.data.categories);

                        self.tabs[tabName].data = {
                            templates: templates,
                            categories: categories,
                            keywords: response.data.keywords
                        };

                        self.layout.showTemplatesView(templates, categories, response.data.keywords);

                    },
                    error: function (err) {
                        console.log(err);
                    }
                });
            }

        },

        closeModal: function () {
            this.getModal().hide();
        },

        getModal: function () {

            if (!this.modal) {
                this.modal = elementor.dialogsManager.createWidget('lightbox', {
                    id: 'premium-template-modal',
                    className: 'elementor-templates-modal',
                    closeButton: false
                });
            }

            return this.modal;

        }

    };

    $(window).on('elementor:init', PremiumEditor.init);

})(jQuery);