declarePackage("ccs");

ccs.User = function() {
	var self;
	var called = false;
	var calling = false;
	var callbackFunctions = new Array();
	
	// constructor function
	function constructorFn() {
		self = this;
	}
	
	constructorFn.prototype.loadUserData = function(callbackFunction) {
		var originalArguments = arguments
				
		if (called) {
			callbackFunction.apply(this, originalArguments);
			return;
		}
		
		if (calling) {
			callbackFunctions.push({functionName: callbackFunction, arguments : originalArguments});
			return;
		}
		
		calling = true;
		
		new Ajax.Request(ccs.contextPath + "/json/" + ccs.appName + "/" + ccs.languageCode + "/content/user/load_user_data.json",
		{
			method:'post',

			onSuccess: function(transport) {
				var res = transport.responseText.evalJSON();
				
				ccs.user.isAnonymous = res.isAnonymous;
				ccs.user.userId = res.userId;
				ccs.user.isLoggedIn = res.loggedIntoCCS;
				ccs.user.emailAddress = res.emailAddress;
								
				callbackFunction.apply(this, originalArguments);
				called = true;
				calling = false;
				//loop through callblack function..and call them
				for (var i=0; i<callbackFunctions.length; i++) {
					callbackFunctions[i].functionName.apply(this, callbackFunctions[i].arguments);
				}
			},
			onFailure: function(transport) {
				var err = transport.responseText.evalJSON();
				if (err != null && err.error) {
					alert(err.message);
				} else {
					alert("Error speaking to server:" + transport.responseText);
				}
			}
		});
	}
	
	return new constructorFn();
}

ccs.user = new ccs.User();