(function ($, learun) {
    "use strict";
    var isLoaded = 0;

    learun._im = {
        init: function () {
            learun._im.registerServer();
            learun._im.connect();
        }
        // 连接服务端
        , connect: function () {
            var loginInfo = learun.clientdata.get(['userinfo']);
            if (loginInfo.imOpen != 'true') {
                setTimeout(learun._im.connect, 10000);
            }

            $.ajax({
                url: loginInfo.imUrl + "/hubs",
                type: "get",
                dataType: "text",
                success: function (data) {
                    eval(data);
                    //Set the hubs URL for the connection
                    $.connection.hub.url = loginInfo.imUrl;
                    $.connection.hub.qs = { "userId": loginInfo.userId };
                    // Declare a proxy to reference the hub.
                    learun.imChat = $.connection.ChatsHub;
                    learun.imChat.client.broadcastMessage = function(message) {
                        top.layer.open({
                            type: 1 //此处以iframe举例
                            , title: '通知'
                            , area: ['390px', '330px']
                            , shade: 0
                            , offset: 'rb'
                            , maxmin: true
                            , content: message
                            , btn: null
                            , yes: function () {
                                $(that).click(); //此处只是为了演示，实际使用可以剔除
                            }
                            , btn2: function () {
                                layer.closeAll();
                            }

                            , zIndex: layer.zIndex //重点1
                            , success: function (layero) {
                                layer.setTop(layero); //重点2
                            }
                        });
                    }
                    if (!learun.imChat) {
                        setTimeout(learun._im.connect, 1000);
                    }
                    // 连接成功后注册服务器方法
                    $.connection.hub.start().done(function () {
                        //learun.imChat.server.pushMessage('123123');
                    });
                    //断开连接后
                    $.connection.hub.disconnected(function () {
                        //
                    });
                },
                error: function (XMLHttpRequest, textStatus, errorThrown) {
                    isLoaded = 0;
                },
            });
        }
    };


    $(function() {
        learun._im.connect();
    })

})(jQuery, top.learun);