$(function () {
	if (typeof (collegiatelink) == 'undefined') { collegiatelink = {}; }
	if (typeof (collegiatelink.ajax) == 'undefined') { collegiatelink.ajax = {}; }
	else { return; }

	collegiatelink.ajax.errorHandler = function(jqxhr, textStatus, errorThrown) {
		var customErrorHandler = jqxhr[jqxhr.status];

		if(customErrorHandler) {
			if(_.isFunction(customErrorHandler)) {
				customErrorHandler();
				return;
			} else collegiatelink.ajax.errorHandler.flashMessage(customErrorHandler);
		} else {
			switch(jqxhr.status) {
				case 401:
					collegiatelink.ajax.errorHandler.growlMessage('You are not authorized to perform this action.');
					break;
				case 404:
					collegiatelink.ajax.errorHandler.growlMessage('The requested item was not found.');
					break;
				case 400:
				case 500:
					collegiatelink.ajax.errorHandler.handleModelStateErrors(jqxhr);
					break;
				default:
					collegiatelink.ajax.errorHandler.growlMessage('There was an error processing your request.');
			}
		}
	};

	collegiatelink.ajax.errorHandler.flashMessage = function(message) {
		$.Flash("error", message);
	};

	collegiatelink.ajax.errorHandler.growlMessage = function (message) {
		if (core && core.growl) core.growl.error(message);
		else flashMessage(message);
	};

	collegiatelink.ajax.errorHandler.flashErrors = function (errors) {
		if (!errors.length) return;

		$.Flash("error", '<ul>' + $.map(errors, function(error) {
			return '<li>' + error + '</li>';
		}).join('') + '</ul>');
	};

	collegiatelink.ajax.errorHandler.handleModelStateErrors = function (jqxhr) {
		if (jqxhr.responseText != '' || jqxhr.data != null) {
			try {
				var errors = [];
				var payload = jqxhr.data != null ? jqxhr.data :
					jqxhr.responseText != '' ? $.parseJSON(jqxhr.responseText) : {};

				if(payload.ModelState) {
					_.each(payload.ModelState, function(error) {
						errors.push(error);
					});
					collegiatelink.ajax.errorHandler.flashErrors(errors);
				}
			} catch (error) {
				collegiatelink.ajax.errorHandler.flashMessage(jqxhr.responseText);
			}
		}
	};
});