define(function (require, exports, module) {
	var session = null;
	var ev = require("../platform/EventObject.js");
	var ajax = require("../platform/webRequest.js");
	var storage = require("../platform/storage.js");
	var keepAlive = require("../account/keepalive.js");

	//var LoginUser = require("./LoginUser.js");

	var SessionMgr = function () {
		var that = this;

		ev.apply(this, arguments);

		that.checkLoginState = function (callback) {
			ajax.sendGet("modifyUser/initQueryUserInfo", "", null, "text", function () {
				if (this.text.indexOf("登录名：") !== -1) {
					callback({ logined: false });
				} else {
					var m = /姓名：.*[\r\n]+<div[^>]+>([^<]+)<\/div>/i.exec(this.text) && RegExp.$1;
					var status = /核验状态：[\w\W]+?>([^<>]+?)<\/div>/.exec(this.text) && RegExp.$1;
					var un = /userDTO\.loginUserDTO\.user_name.*?value=['"]([^'"]+)['"]/.exec(this.text) && RegExp.$1;

					if (!m || !status)
						callback({ logined: false });
					else {
						callback({ logined: true, realName: m, status: status, isChecked: status === '已通过', username: un });
					}

				}
			}, function () {

			});
		};
		that.loadProfile = function (username, checkData) {
			var profile = storage.obj("12306_user_" + username) || { username: username, passengers: [], savedProfile: {}, currentProfile: {}, rawPassenger: [], options: {} };
			that.current = profile;

			if (username) {
				if (checkData) {
					that.current.dispname = checkData.realName;
					that.fireEvent("userInfoUpdated");

					if (!checkData.isChecked)
						that.fireEvent("userNotChecked");
				} else {
					that.checkLoginState(function (data) {
						that.current.dispname = data.realName;
						that.fireEvent("userInfoUpdated");

						if (!data.isChecked)
							that.fireEvent("userNotChecked");
					});
				}
			}
		};
		that.resetProfile = function () {
			that.loadProfile("");
		};
		that.loadPassengers = function (force) {
			if (!that.isLogined)
				return;

		};
		that.save = function () {
			if (!that.current)
				return;

			var key = "12306_user_" + that.current.username;
			storage.put(key, that.current);
		};

		Object.defineProperty(this, "current", {
			get: function () {
				return session;
			},
			set: function (v) {
				if (session === v) return;

				if (v) session = v;
				else {
					that.resetProfile();
				}
				that.fireEvent("sessionChanged");

				(that.isLogined && keepAlive.start()) || keepAlive.stop();
			}
		});
		Object.defineProperty(this, "isLogined", {
			get: function () {
				return session && session.username || false;
			}
		});

		//主动检测
		that.checkLoginState(function (data) {
			if (data.logined) {
				that.loadProfile(data.username, data);
			} else {
				that.loadProfile("");
			}
		});
		document.addEventListener("loginInvalid", function () {
			if (that.isLogined) {
				document.dispatchEvent(new CustomEvent("userForcedOut"));
				that.fireEvent("userForcedOut");
			}
			that.resetProfile();
		});
		this.loadProfile("");

		return this;
	};
	SessionMgr.prototype = Object.create(ev);
	SessionMgr.constructor = SessionMgr;


	module.exports = new SessionMgr();
});