// This class is responsible for providing easy access to the ajax functions
// available in the fredhopper_ajax_data_provider.php script.

function _AjaxDataProvider() {}

_AjaxDataProvider.prototype.getAllBrandsForMainCategory = function(categoryId, webroot) {
	if(typeof mainCatMenu.cachingCategories == 'undefined')mainCatMenu.cachingCategories = new Array();
	
	var cachingCategory;
	for(var i=0; i<mainCatMenu.cachingCategories.length; i++){
		if(mainCatMenu.cachingCategories[i].catId == categoryId){
			cachingCategory = mainCatMenu.cachingCategories[i];
			break;
		}
	}
	
	if(cachingCategory){
		mainCatMenu.extendBrands(categoryId);
	}else{
		if(typeof mainCatMenu != 'undefined'){
			mainCatMenu.currentCategoryId = categoryId;
			var url = webroot + "/datamodules/datasources/external/fredhopper/fredhopper_ajax_data_provider.php";
			var params = {ajax_function: "get_all_brands_for_main_category", categoryId: mainCatMenu.currentCategoryId, webroot: webroot};
			$.post(url, params, this.getAllBrandsForMainCategoryCallback);		
		}
	}
}

_AjaxDataProvider.prototype.getAllBrandsForMainCategoryCallback = function(data, textStatus) {
	var object = eval(data);
	if(typeof mainCatMenu != "undefined"){
		var new_content;
		new_content = "<h2>Merken</h2>";
		for (var i=0; i<object.brands.length; i++) {
			new_content += "<a href=\"" + object.brands[i].link + "\" onclick=\"" + object.brands[i].tracking + "\">";
			new_content += 		object.brands[i].name;
			new_content += "</a>";
		}
		
		var div					= $('#c_'+ mainCatMenu.currentCategoryId);
		var list 				= div.children("div.list");
		var rc 					= list.children("div.fredhopperdata").children("div.firstRightColumn");
		var orig_html 			= rc.html();
		var orig_list_properties= {width:list.width(), height:list.height()};	
		var orig_rc_properties	= {width:rc.width(), height:rc.height(), innerWidth:rc.innerWidth()};
		var new_html 			= new_content;
		
		var cat = {catId:mainCatMenu.currentCategoryId, div:div, list:list, rc:rc, orig_html:orig_html, orig_list_properties:orig_list_properties, new_html:new_html, orig_rc_properties:orig_rc_properties};
		mainCatMenu.cachingCategories.push(cat);
		mainCatMenu.extendBrands(cat.catId);
	}
}

_AjaxDataProvider.prototype.getAllBrandsForSelection = function(urlParams, webroot, popup_id) {
	this.popup_id = "#" + popup_id.toString();
	this.popup_list = "#brands_popup_list_" + (popup_id.replace(/[^\d]/gi, "")).toString();
	
	//do post only when content of list isn't set yet	
	if ($(this.popup_list).html() == "") {
		var url = webroot+'/datamodules/datasources/external/fredhopper/fredhopper_ajax_data_provider.php';
		var params = {ajax_function: 'get_all_brands_for_current_selection', urlParams: urlParams, webroot: webroot};
		$.post(url, params, this.getAllBrandsForSelectionCallback);
	}else{
		$(this.popup_id).show();
	}
}

_AjaxDataProvider.prototype.getAllBrandsForSelectionCallback = function(data, textStatus) {
	var popup_id = AjaxDataProvider.popup_id;
	var popup_list = AjaxDataProvider.popup_list;
	var title = $(popup_id).children("div:first").children("h4:first").children("span.brands_popup_title");
	
	var object = eval(data);
	var list_content = "";
	list_content += "<ul>";
	for(var i=0; i<object.brands.length; i++){
		list_content += "<li class=\"fl\" style=\"width:140px;\">";
		list_content += 	"<a href=\"" + object.brands[i].link + "\" onclick=\"" + object.brands[i].tracking + "\">";
		list_content += 		object.brands[i].name;
		list_content += 	"</a>";
		list_content += "</li>";
	}
	list_content += "</ul>";

	$(title).html(object.title);
	$(popup_list).html(list_content);
	$(popup_id).show();
}

// Create an instance of the class.
var AjaxDataProvider = new _AjaxDataProvider();