define(function (require, exports, module) {
	var EventObject = require("../../platform/EventObject.js");
	var ep = require("../../platform/extensionPort.js");
	var port = ep.port;
	var mp = require("../widget_message_popup.js");
	var sessMgr = require("../../account/sessionMgr.js");
	var param = require("../../data.js");
	var page = $("#chat_container");
	var user = sessMgr.current;

	sessMgr.on("sessionChanged", function () {
		user = sessMgr.current;
	});

	var RoomSession = function () {
		EventObject.apply(this);
		var that = this;
		var room;
		var chatListContainer = page.find("article.chat-items");
		var chatListContainerDom = chatListContainer[0];
		var roomStateTemplate = $("#chat_connect_server").doT();
		var roomSystemNoticeTemplate = $("#chat_sys_alert").doT();

		this.enterRoom = function (targetRoom) {
			if (targetRoom === room)
				return;
			room = targetRoom;

			//UI
			$("#chat_frame>section").removeClass("chat-page-current");
			page.addClass("chat-page-current");
			page.find(">header>span:eq(0)").html(room.name);
			chatListContainer.empty();
			that.refreshOnlineCount();
			page.find("button.button-primary").prop("disabled", true);

			port.postMessage("enterChatRoom", room);
			that.fireEvent("enterRoom");
		};
		this.refreshOnlineCount = function () {
			page.find(">header>span:eq(1)").html("当前在线 " + room.onlinecount + " 人");
		};
		this.exitRoom = function () {
			room = null;
			port.postMessage("disconnectChatRoom");
			that.fireEvent("exitRoom");
		};
		this.appendMessageItem = function (html) {
			chatListContainer.append(html);
			chatListContainerDom.scrollTop = chatListContainerDom.clientHeight;
		};
		this.clearDisplay = function () {
			chatListContainer.empty();
		};
		this.sendMsg = function (msg) {
			var data = {
				items: [msg],
				from: {
					realname: user.dispname,
					username: user.username
				},
				target: []
			}
			port.postMessage("chatRoomSendMsg", data);
		};

		Object.defineProperty(this, "room", {
			get: function () {
				return room;
			}
		});
		port.on("chatRoomConnecting", function () {
			that.appendMessageItem(roomStateTemplate({ state: "connecting", stateIcon: "fa-spin fa-spinner", msg: "正在连接服务器中..." }));
			that.fireEvent("chatRoomConnecting");
		});
		port.on("chatRoomConnected", function () {
			page.find("button.button-primary").prop("disabled", false);
			chatListContainer.find(".chat-state").remove();
			that.appendMessageItem(roomSystemNoticeTemplate(room));
			that.fireEvent("chatRoomConnected");
		});
		port.on("chatRoomReceiveMsg", function (e, data) {
			that.fireEvent("chatRoomReceiveMsg");
			alert(JSON.stringify(data))
		});
		port.on("chatRoomDisconnected", function () {
			that.appendMessageItem(roomStateTemplate({ state: "disconnect", stateIcon: "fa-spin fa-spinner", msg: "服务器已断开连接。" }));
			that.fireEvent("chatRoomDisconnected");
			page.find("button.button-primary").prop("disabled", true);
		});

		return this;
	};
	RoomSession.prototype = Object.create(EventObject);
	RoomSession.constructor = RoomSession;

	var session = new RoomSession();

	(function chatEditor() {
		var editor = page.find("section.chat-editor");
		var sendBtn = editor.find(">footer>button.button-primary");

		var initEditor = function () {
			if (!sessMgr.current)
				return;
			var color = sessMgr.current.options.chatColor || "#000000";
			editor.find(">header .chat-editor-color").val(color);
			editor.find(".chat-editor-container").css("color", color);
		};
		var delayEnableSend = function () {
			sendBtn.prop("disabled", true);
			setTimeout(function () {
				sendBtn.prop("disabled", false);
			}, param.chatSendMsgDelay);
		};
		initEditor();

		editor.find(".chat-editor-container").keyup(function(e) {
			if (e.keyCode === 13 && e.ctrlKey) {
				sendBtn.click();
			}
		});

		sessMgr.on("sessionChanged", function () {
			initEditor();
		});

		editor.find(">header .chat-btn-cls").click(function () {
			session.clearDisplay();
		});
		editor.find(">header .chat-editor-color").change(function () {
			user.options.chatColor = this.value;
			editor.find(".chat-editor-container").css("color", this.value);
			sessMgr.save();
		});

		editor.find(">footer>button.button-default").click(function () {
			session.exitRoom();
		});
		editor.find(">footer>button.button-primary").click(function () {
			var msg = {
				color: user.options.chatColor,
				text: $.trim(editor.find(".chat-editor-container").text())
			}
			if (!msg.text)
				return;
			editor.find(".chat-editor-container").empty();
			session.sendMsg(msg);
			delayEnableSend();
		});
	})();

	return {
		session: session,
		enterRoom: session.enterRoom
	}
});