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 passengers = null;
	var currentuser = sessionStorage["_currentuser"];
	var parser = require("../platform/parser.js");

	if (sessionStorage["_passenger"])
		passengers = JSON.parse(sessionStorage["_passenger"]);

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

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

		ev.apply(this, arguments);

		var loadPassengers = function () {
			if (!that.isLogined)
				return;

			if (_passengerInLoad)
				return;
			_passengerInLoad = true;

			ajax.sendPost("confirmPassenger/getPassengerDTOs", "leftTicket/init", null, "json", function () {
				_passengerInLoad = false;

				var data = this.model;
				if (!data || !data.data || !data.data.normal_passengers) {
					passengers = null;
					that.fireEvent("passengerLoadFailed");
					that.fireEvent("passengerLoaded", passengers);
				} else {
					var p1 = data.data.normal_passengers;
					passengers = _.filter(p1, parser.canPassageAddToOrder);
					//对联系人数据进行预处理
					parser.processPassenger(passengers);
					if (p1.length !== passengers.length) {
						that.fireEvent("notValidPassengerFound");
						document.dispatchEvent(new Event("notValidPassengerFound"));
					}
					sessionStorage["_passenger"] = JSON.stringify(passengers);
					that.fireEvent("passengerLoaded", passengers);
				}
			}, function () {
				_passengerInLoad = false;
				passengers = null;
				sessionStorage.removeItem("_passenger");
				that.fireEvent("passengerLoadFailed");
				that.fireEvent("passengerLoaded", passengers);
			});
		};

		that.checkLoginState = function (callback) {
			ajax.sendGet("modifyUser/initQueryUserInfo", "", null, "text", function () {
				if (this.text.indexOf("登录名：") !== -1) {
					sessionStorage["_currentuser"] = "";
					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;

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

				}
			}, function () {
				callback({ logined: false });
			});
		};
		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 () {
			sessionStorage["_currentuser"] = "";
			that.loadProfile("");
		};
		that.save = function () {
			if (!that.current)
				return;

			var key = "12306_user_" + that.current.username;
			storage.put(key, that.current);
		};
		that.getPassengers = function (callback) {
			if (!callback)
				return;
			if (!that.isLogined) callback([]);

			if (passengers)
				callback(passengers);
			else {
				that.once("passengerLoaded", function () {
					callback(passengers);
				});
				loadPassengers();
			}
		};

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

				if (v) {
					if (v.username !== currentuser) {
						sessionStorage["_currentuser"] = v.username;
						sessionStorage.removeItem("_passenger");
						passengers = null;
					}

					session = v;
				}
				else {
					that.resetProfile();
				}
				console.log("sessionChanged fired.")
				that.fireEvent("sessionChanged");

				(that.isLogined && keepAlive.start()) || keepAlive.stop();
			}
		});
		Object.defineProperty(this, "isLogined", {
			get: function () {
				return session && session.username || false;
			}
		});
		Object.defineProperty(this, "currentProfile", {
			get: function () {
				return session.currentProfile;
			}
		});
		document.addEventListener("loginInvalid", function () {
			if (that.isLogined) {
				document.dispatchEvent(new CustomEvent("userForcedOut"));
				that.fireEvent("userForcedOut");
			}
			that.resetProfile();
		});
		//主动检测
		if (typeof (currentuser) === "undefined") {
			that.checkLoginState(function (data) {
				if (data.logined) {
					that.loadProfile(data.username, data);
				} else {
					that.loadProfile("");
				}
			});
		} else
			this.loadProfile(currentuser || "");

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


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