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"] || undefined;
	var currentuserName = sessionStorage["_currentuserName"] || undefined;
	var parser = require("../platform/parser.js");
	var data = require("../data.js");
	var utility = require("../utility.js");

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

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

		ev.apply(this, arguments);

		var loadPassengers = function (callback) {
			if (!that.isLogined) {
				if (callback)
					callback([]);

				var def = new $.Deferred();
				def.reject("您尚未登录");
				return def.promise();
			}

			if (_passengerInLoad) {
				_passengerInLoad.done(callback);
				return _passengerInLoad.promise();
			}
			_passengerInLoad = new $.Deferred();
			_passengerInLoad.done(callback);

			sessionStorage.removeItem("notValidPassengerFound");
			ajax.sendPost("confirmPassenger/getPassengerDTOs", "leftTicket/init", null, "json", function () {
				var result = this.model;
				if (!result || !result.data || !result.data.normal_passengers) {
					passengers = null;
					that.fireEvent("passengerLoadFailed");
					that.fireEvent("passengerLoaded", passengers);
					_passengerInLoad.reject(result.data && result.data.exMsg);
				} else {
					var p1 = result.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");
						sessionStorage['hasUnverifiedPassenger'] = 1;
						document.dispatchEvent(new Event("notValidPassengerFound"));
					}
					sessionStorage["_passenger"] = JSON.stringify(passengers);
					that.fireEvent("passengerLoaded", passengers);
					_passengerInLoad.resolve(passengers);
				}
				_passengerInLoad = null;
			}, function () {
				passengers = null;
				_passengerInLoad.reject("网络错误");
				sessionStorage.removeItem("_passenger");
				that.fireEvent("passengerLoadFailed");
				that.fireEvent("passengerLoaded", passengers);
			});

			return _passengerInLoad.promise();
		};
		that.savePassengers = function () {
			if (!passengers)
				return;

			sessionStorage["_passenger"] = JSON.stringify(passengers);
		};
		that.reloadPassengers = function () {
			sessionStorage.removeItem("_passenger");
			passengers = null;
		};


		that.checkLoginState = function (callback) {
			ajax.sendGet("modifyUser/initQueryUserInfo", "", null, "text", function () {
				if (this.text.indexOf("登录名：") !== -1) {
					sessionStorage.removeItem("_currentuser");
					sessionStorage.removeItem("_currentuserName");
					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;
					sessionStorage["_currentuserName"] = m;
					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 (dispname, checkData, username) {
			//备份当前的查询，并取代为默认的查询
			var cp = that.currentProfile;
			if (cp) {
				cp.passengers = null; //不保留乘客
			}

			var profile = storage.obj("12306_user_" + dispname) || { hasNotVerifyedPassenger: false, dispname: dispname, passengers: [], savedProfile: { list: [] }, currentProfile: {}, rawPassenger: [], options: { soundPrompt: true } };
			profile.currentProfile = $.extend({}, _.clone(that.defaultProfile), profile.currentProfile, cp);
			if (!profile.currentProfile.autoRefreshDelay)
				profile.currentProfile.autoRefreshDelay = 5;
			if (username)
				profile.username = username;
			//有预置参数？加载
			if (location.hash && location.hash.indexOf("#ALARM-") === 0) {
				try {
					var predata = JSON.parse(decodeURIComponent(location.hash.substr(7)));
					profile.currentProfile = _.extend(profile.currentProfile, predata);
				} catch (e) {
					console.log("unable to restore parameter: " + e);
				}
			}
			//fix passenger issue
			profile.currentProfile.passengers = _.filter(profile.currentProfile.passengers || [], function (p) {
				return p.passenger_name || false;
			});

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

					if (!checkData.isChecked)
						that.fireEvent("userNotChecked");
				} else {
					that.checkLoginState(function (data) {
						if (!data.logined) {
							//被强退了
							that.loadProfile("");
							that.fireEvent("loginInvalid");
						} else {
							that.current.dispname = data.realName;
							that.current.username = data.username;
							that.fireEvent("userInfoUpdated");

							if (!data.isChecked)
								that.fireEvent("userNotChecked");
						}
					});
				}
			}
			that.save();
		};
		that.resetProfile = function () {
			sessionStorage.removeItem("_currentuser");
			sessionStorage.removeItem("_currentuserName");
			that.loadProfile("");
		};
		that.save = function () {
			if (!that.current)
				return;

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

				var def = new $.Deferred();
				def.reject("您尚未登录");
				return def.promise();
			}

			var d1;
			if (passengers) {
				callback && callback(passengers);

				d1 = new $.Deferred();
				d1.resolve(passengers);
			} else {
				//that.once("passengerLoaded", function () {
				//	callback(passengers);
				//});
				d1 = loadPassengers(callback);
			}
			return d1;
		};
		this.ensureLogined = function (callback) {
			if (!that.isLogined) {
				that.fireEvent("requireLogin", callback);
			} else {
				callback(that.current);
			}
		};
		this.defaultProfile = {
			autoRefreshDelay: 5,
			hideNotInListTrain: false,
			hideNoTicket: false,
			autoWaitToSell: false,
			selectSeatFirst: true,
			tryBottomSeat: true,
			autoSubmitEnabled: true,
			partialSubmitEnabled: false,
			depDate: utility.formatDate(data.defaultDate),
			submitStuAsCommon: false,
			selectedSeatType: [],
			selectedTrain: [],
			dateloop: [],
			passengers: [],
			hideNoSeat: false
		};
		this.forceProfile = {
			autoSubmitEnabled: true,
			autoWaitToSell: false
		};

		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["_currentuserName"] = v.dispname;
						sessionStorage.removeItem("_passenger");
						passengers = null;
					}
					if (!v.options)
						v.options = {};

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

				if (that.isLogined) {
					//获得用户json att
					ajax.sendPost("login/checkUser", "login/init", null, "json", function () {
						var m = this.model;

						if (!m && !m.status && !m.data && m.data.flag) {
							ajax.userAtts = m.data.attributes;
						}
					}, function () {
					});

					keepAlive.start();
				} else {
					keepAlive.stop();
				}
			}
		});
		Object.defineProperty(this, "isLogined", {
			get: function () {
				return session && session.username || false;
			}
		});
		Object.defineProperty(this, "currentProfile", {
			get: function () {
				return session && session.currentProfile;
			}, set: function (value) {
				session.currentProfile = $.extend({}, JSON.parse(JSON.stringify(that.defaultProfile)), value, JSON.parse(JSON.stringify(that.forceProfile)));
				that.fireEvent("currentProfileChanged");
				that.save();
			}
		});
		Object.defineProperty(this, "recentStations", {
			get: function () {
				return (that.current.recentStations || []).map(function (c) { return data.cities[c]; });
			},
			set: function (value) {
				var clist = that.current.recentStations || [];
				if (clist[0] && clist[0] == value)
					return;

				for (var i = 0; i < clist.length; i++) {
					if (clist[i] == value) {
						clist.splice(i, 1);
						break;
					}
					clist.unshift(value);
					that.current.recentStations = value;
					that.fireEvent("recentCityChanged");
					that.save();
				}
			}
		});
		document.addEventListener("loginInvalid", function () {
			if (that.isLogined) {
				document.dispatchEvent(new CustomEvent("userForcedOut"));
				that.fireEvent("userForcedOut");
			}
			that.resetProfile();
		});
		//主动检测
		if (typeof (currentuserName) === "undefined") {
			that.checkLoginState(function (data) {
				if (data.logined) {
					that.loadProfile(data.realName, data);
				} else {
					that.loadProfile("");
				}
			});
		} else
			this.loadProfile(currentuserName || "");

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


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