(function() {
	if (input && input.category_id)
		data.category_id = input.category_id;
	else
		data.category_id = $sp.getParameter("sys_id");

	data.catalog_id = $sp.getParameter("catalog_id") ? $sp.getParameter("catalog_id") + "" : "-1";
	var catalogsInPortal = ($sp.getCatalogs().value + "").split(",");
	var isCatalogAccessibleViaPortal = data.catalog_id == -1 ? true : false;
	catalogsInPortal.forEach(function(catalogSysId) {
		if (data.catalog_id == catalogSysId) {
			isCatalogAccessibleViaPortal = true;
		}
	});
	data.categorySelected = gs.getMessage('category selected');
	if(!isCatalogAccessibleViaPortal) {
		data.error = gs.getMessage("You do not have permission to see this catalog");
		return;
	}
	var catalogDisplayValue;
	if (data.catalog_id && data.catalog_id !== "-1") {
		var catalogObj = new sn_sc.Catalog(data.catalog_id);
		if (catalogObj) {
			if (!catalogObj.canView()) {
				data.error = gs.getMessage("You do not have permission to see this catalog");
				return;
			}
			catalogDisplayValue = catalogObj.getTitle();
		}
	}
	if (options && options.sys_id)
		data.category_id = options.sys_id;
	data.showPrices = $sp.showCatalogPrices();
	data.sc_catalog_page = $sp.getDisplayValue("sc_catalog_page") || "sc_home";
	data.sc_category_page = $sp.getDisplayValue("sc_category_page") || "sc_category";
	catalogDisplayValue = catalogDisplayValue ? catalogDisplayValue : $sp.getCatalogs().displayValue + "";
	var catalogIDs = (data.catalog_id && data.catalog_id !== "-1") ? data.catalog_id : $sp.getCatalogs().value + "";
	var catalogArr = catalogDisplayValue.split(",");
	var catalogIDArr = catalogIDs.split(",");
	data.sc_catalog = catalogArr.length > 1 ? "" : catalogArr[0];

	data.show_more = false;
	if (GlideStringUtil.nil(data.category_id)) {
		 data.items = getPopularItems();
		 data.show_popular_item = true;
		 data.all_catalog_msg = (($sp.getCatalogs().value + "").split(",")).length > 1 ? gs.getMessage("All Catalogs") : "";
		 data.all_cat_msg = gs.getMessage("All Categories");
		 data.category = {title: gs.getMessage("Popular Items"),
									 description: ''};
		return;
	}

	data.show_popular_item = false;
	// Does user have permission to see this category?
	var categoryId = '' + data.category_id;
	var categoryJS = new sn_sc.CatCategory(categoryId);
	if (!categoryJS.canView()) {
		data.error = gs.getMessage("You do not have permission to see this category");
		return;
	}
	data.category = {title: categoryJS.getTitle(),
									 description: categoryJS.getDescription()};

	var catalog = $sp.getCatalogs().value;

	data.items = [];
	var itemsInPage = options.limit_item || 9;

	data.limit = itemsInPage;
	if (input && input.new_limit)
		data.limit = input.new_limit;
	if (input && input.items) {
		data.items = input.items.slice();//Copy the input array
	}

	if (input && input.startWindow) {
		data.endWindow = input.endWindow;
	}
	else {
		data.startWindow = 0;
		data.endWindow = 0;
	}

	while (data.items.length < data.limit + 1) {
		data.startWindow = data.endWindow;
		data.endWindow = data.endWindow + itemsInPage;
		var itemGR = queryItems(catalog, categoryId, data.startWindow, data.endWindow);
		if (!itemGR.hasNext())
			break;
		fetchItemDetails(itemGR, data.items);
	}

	if (data.items.length > data.limit)
			data.show_more = true;

	data.more_msg = gs.getMessage(" Showing {0} items", data.limit);

	data.categories = [];
	while(categoryJS && categoryJS.getParent()) {
		var parentId =  categoryJS.getParent();
		categoryJS = new sn_sc.CatCategory(parentId);
		var category = {
			label: categoryJS.getTitle(),
			url: '?id='+data.sc_category_page+'&sys_id=' + parentId
		};
		data.categories.unshift(category);
	}

	data.all_catalog_msg = (($sp.getCatalogs().value + "").split(",")).length > 1 ? gs.getMessage("All Catalogs") : "";

	function fetchItemDetails(itemRecord, items) {
		while (itemRecord.next()) {
				var catalogItemJS = new sn_sc.CatItem(itemRecord.getUniqueValue());
				if (!catalogItemJS.canView())
					continue;

				var catItemDetails = catalogItemJS.getItemSummary();
				var item = {};
				item.name = catItemDetails.name;
				item.short_description = catItemDetails.short_description;
				item.picture = catItemDetails.picture;
				item.price = catItemDetails.price;
				item.sys_id = catItemDetails.sys_id;
				item.hasPrice = catItemDetails.show_price;
				item.page = 'sc_cat_item';
				item.type = catItemDetails.type;
				item.order = catItemDetails.order;
				item.sys_class_name = catItemDetails.sys_class_name;
				item.titleTag = catItemDetails.name;
				if (item.type == 'order_guide') {
					item.page = 'sc_cat_item_guide';
				} else if (item.type == 'content_item') {
					item.content_type = catItemDetails.content_type;
					item.url = catItemDetails.url;
					if (item.content_type == 'kb') {
						item.kb_article = catItemDetails.kb_article;
						item.page = 'kb_article';
					} else if (item.content_type == 'external') {
						item.target = '_blank';
						item.titleTag = catItemDetails.name + " ➚";
					}
				}
				items.push(item);
			}
	}

	function queryItems(catalog, categoryId, startWindow, endWindow) {
			var scRecord = new sn_sc.CatalogSearch().search(catalog, categoryId, '', false, options.show_items_from_child != 'true');
			scRecord.addQuery('sys_class_name', 'NOT IN', 'sc_cat_item_wizard');
			scRecord.addEncodedQuery('hide_sp=false^ORhide_spISEMPTY^visible_standalone=true');
			scRecord.chooseWindow(startWindow, endWindow);
			scRecord.orderBy('order');
			scRecord.orderBy('name');
			scRecord.query();
			return scRecord;
	}

	function getPopularItems() {
        return new SCPopularItems().useOptimisedQuery(gs.getProperty('glide.sc.portal.popular_items.optimize', true) + '' == 'true')
            .baseQuery(options.popular_items_created + '')
            .allowedItems(getAllowedCatalogItems())
            .visibleStandalone(true)
            .visibleServicePortal(true)
            .itemsLimit(6)
            .restrictedItemTypes('sc_cat_item_guide,sc_cat_item_wizard,sc_cat_item_content,sc_cat_item_producer'.split(','))
            .itemValidator(function(item, itemDetails) {
                if (!item.canView() || !item.isVisibleServicePortal())
                    return false;

                return true;
            })
            .responseObjectFormatter(function(item, itemType, itemCount) {
                return {
                    order: 0 - itemCount,
                    name: item.name,
                    short_description: item.short_description,
                    picture: item.picture,
                    price: item.price,
                    sys_id: item.sys_id,
                    hasPrice: item.price != 0,
                    page: itemType == 'sc_cat_item_guide' ? 'sc_cat_item_guide' : 'sc_cat_item'
                };
            })
            .generate();
    }

	function getAllowedCatalogItems () {
		var allowedItems = [];
		catalogIDArr.forEach(function(catalogID) {
			var catalogObj = new sn_sc.Catalog(catalogID);
			var catItemIds = catalogObj.getCatalogItemIds();
			for(var i=0; i<catItemIds.length; i++) {
				if (!allowedItems.includes(catItemIds[i]))
					 allowedItems.push(catItemIds[i]);
			}
		});
		return allowedItems;
	}

})();