define(function (require, exports, module) {
	var ajax = require("../platform/webRequest.js");
	var interval = 5 * 60 * 1000;
	var timer = null;
	var started = false;

	var checkUser = function () {
		timer = null;
		ajax.sendGet("index/initMy12306", "login/init", null, "text", function () {
			//var m = this.model;

			//if (!m || !m.status) {
			//	if (started)
			//		timer = setTimeout(checkUser, interval);
			//}
			//else if (!m.data || !m.data.flag) {
			//	//登录无效
			//	document.dispatchEvent(new CustomEvent("loginInvalid"));
			//}
			//else {
			//	ajax.userAtts = m.data.attributes;
			//	if (started)
			//		timer = setTimeout(checkUser, interval);
			//}
			if (!this.model) {
				if (started)
					timer = setTimeout(checkUser, interval);
			}else if (this.model.indexOf("<title>登录") !== -1) {
				document.dispatchEvent(new CustomEvent("loginInvalid"));
			} else {
				if (started)
					timer = setTimeout(checkUser, interval);
			}
		}, function () {
			if (started)
				timer = setTimeout(checkUser, interval);
		});
	};

	//
	exports.start = function () {
		started = true;
		if (!timer)
			checkUser();
		return true;
	};

	exports.stop = function () {
		started = false;
		if (timer)
			clearTimeout(timer);
		return true;
	};
});