/**
 * @author BYK
 */
if (window.groups)
	throw new Error('"groups" namespace is already in use!');

groups =
{
	_config: {},
	_info: {module: {}},
	_initQueue: [],
	langStrings: {},
	warnOnLeave: 0
};

groups.namespace = function(name, defaultConfig, customNS)
{
	if (groups[name])
		throw new Error('Namespace already exists!');

	groups[name] = customNS || {};
	if (defaultConfig)
		groups._config[name] = Object.extend(defaultConfig, groups._config[name] || {});
};

groups.i18n = function(str)
{
	return (str in groups.langStrings) ? groups.langStrings[str] : str;
};

groups.ajaxCall = function(functionName, args, notificationText, callback)
{
	groups.warnOnLeave++;
	var callbackWrapper = function(result) {groups.warnOnLeave--; (callback || groups.ajaxCall._defaulCallback)(result);}
	args.push(callbackWrapper);
	try
	{
		groups.notifier.show('loader', notificationText || 'Sending information...');
	}
	catch(e)
	{}
	return _S(functionName, args);
};

groups.ajaxCall._defaulCallback = function(result)
{
	var success = (result instanceof Array) ? result[0] : result;
	
	//TODO: Fix me, very ugly hack below, resets ALL nicEditors with a successfull request!
	if (success)
	{
		groups.modalBox.hide();
		if (!groups.warnOnLeave && window.nicEditors && nicEditors.editors)
		for (var i = nicEditors.editors.length - 1; i >= 0; i--)
			for (var j = nicEditors.editors[i].nicInstances.length - 1; j >= 0; j--)
				nicEditors.editors[i].nicInstances[j].oldHash = SHA256.hash(nicEditors.editors[i].nicInstances[j].getContent());
	}
	
	if (success >= 1 || success === true) 
	{
		if (result[1])
			document.location.href = result[1];
		else
			document.location.reload(true);
	}
	else 
		groups.notifier.show(success && 'success' || 'error', result[1] || 'Oops, temporary error occurred. Please try again...');
};

groups._fixSelects = function()
{
	var selectElements = Element.select(groups.modalBox._content, 'select');
	for (var i = selectElements.length - 1; i >= 0; i--)
		selectElements[i].value = selectElements[i].getAttribute('data-default') || selectElements[i].getAttribute('value');
};

groups.addToInit = function()
{
	for (var i = 0, length = arguments.length; i < length; i++)
		if (groups._initQueue)
			groups._initQueue.push(arguments[i]);
		else
			window.setTimeout(arguments[i], 0);
};

groups.init = function()
{
	var initList = groups._initQueue,
	i = 0, length = initList.length;

	if (document.loaded)
		for (; i < length; i++)
			window.setTimeout(initList[i], 0);
	else
		for (; i < length; i++)
			Event.observe(document, 'dom:loaded', initList[i]);

	delete groups._initQueue;
	initList = null;
};