window.AudioContext = window.AudioContext || window.webkitAudioContext || window.mozAudioContext || window.msAudioContext;

var FastChat = {
    ws: {
        SocketTask: null,
        Timer: null,
        ErrorMsg: [],
        MaxRetryCount: 3,// 最大重连次数
        CurrentRetryCount: 0,
        url: null
    },
    audio: {
        context: new window.AudioContext(),
        source: null,
        buffer: null
    },
    cookie_prefix:'',// 同config.php里边的cookie前缀设置，未修改过请忽略
    config: null,
    url: null,
    window_is_show: false,
    fast_move: false,
    session_id: 0,
    is_cross_domain: false,// 是否跨域，若为站外调用，则在js中建立游客cookie
    allowed_close_window: true,// 是否允许ecs关闭窗口（当预览图片时，不允许关闭）,
    initialize: function (url = document.domain, modulename = 'index', initSuccess = null) {

        FastChat.url = url;

        if(document.domain !== url){
            FastChat.is_cross_domain = true;
        }

        var initialize_url = FastChat.buildUrl(url, modulename, 'initialize');

        $.ajax({
            url: initialize_url,
            success: function (data) {

                if (data.code === 403) {
                    return;
                } else if (data.code !== 1) {
                    layer.msg(data.msg);
                    return;
                }

                FastChat.config = data.data;
                FastChat.bulidChat(data.data);
                FastChat.show_popover((!FastChat.getCookie('new_user')) ? data.data.new_user_tip : data.data.new_msg);

                // 站外调用游客身份cookie建立
                if (FastChat.is_cross_domain) {
                    FastChat.setCookie('fastchat_tourists', FastChat.config.token_list.fastchat_tourists_token, 10);
                }

                // 构建ws的url
                FastChat.ws.url = FastChat.buildUrl('billiards.websocket.xunsoftware.com', modulename, 'ws', data.data.websocket_port);

                if (modulename === 'admin') {
                    // 立即链接 Websocket
                    FastChat.ConnectSocket();
                } else {
                    // 若用户 N 秒后任在此页面，链接Socket
                    setTimeout(function () {
                        if (!FastChat.ws.SocketTask || FastChat.ws.SocketTask.readyState === 3 || FastChat.ws.SocketTask.readyState === 2) {
                            FastChat.ConnectSocket();
                        }
                    }, 10000);
                }

                if (typeof initSuccess == 'function') {
                    initSuccess();
                }

                if (data.data.new_msg) {
                    // 抖动按钮和播放提示音
                    FastChat.new_message_prompt('#chat_button');
                }
            }
        })

        FastChat.eventReg();
    },
    ConnectSocket: function () {

        if ("WebSocket" in window) {
            var ws = new WebSocket(FastChat.ws.url);
            FastChat.ws.SocketTask = ws;

            ws.onopen = function () {
                FastChat.ws.CurrentRetryCount = 0;

                // 重新发送所有出错的消息
                if (FastChat.ws.ErrorMsg.length > 0) {

                    for (let i in FastChat.ws.ErrorMsg) {
                        FastChat.ws_send(FastChat.ws.ErrorMsg[i]);
                    }

                    FastChat.ws.ErrorMsg = [];
                }

                if (FastChat.ws.Timer != null) {
                    clearInterval(FastChat.ws.Timer);
                }

                if ($('#error_warning').html()) {
                    $('#error_warning').html('');
                    $('#chat_button').popover('hide');
                }

                FastChat.ws.Timer = setInterval(FastChat.ws_send, 28000);//定时发送心跳
            };

            ws.onmessage = function (evt) {
                var msg = $.parseJSON(evt.data);

                if (msg.code === 0) {
                    layer.msg(msg.msg);
                }

                FastChat.domsg(msg);
            };

            ws.onclose = function (e) {

                if (FastChat.ws.Timer != null) {
                    clearInterval(FastChat.ws.Timer);
                }

                $('#error_warning').html('网络链接已断开');
                FastChat.show_popover('WebSocket 链接已断开');

                if (FastChat.ws.MaxRetryCount) {
                    FastChat.ws.Timer = setInterval(FastChat.retry_webSocket, 3000);//每3秒重新连接一次
                }
            };

            ws.onerror = function (e) {
                // 错误
                console.error('websocket 错误:', e);
                $('#error_warning').html('WebSocket 发生错误');
                FastChat.show_popover('WebSocket 发生错误,请查看控制台');
            };
        } else {
            layer.msg(FastChat.config.chat_name + '：您的浏览器不支持 WebSocket!');
        }

    },
    retry_webSocket: function () {
        if (FastChat.ws.CurrentRetryCount < FastChat.ws.MaxRetryCount) {
            FastChat.ws.CurrentRetryCount++;
            FastChat.ConnectSocket();
            console.log('重连 WebSocket 第' + FastChat.ws.CurrentRetryCount + '次');
        } else {
            if (FastChat.ws.Timer != null) {
                clearInterval(FastChat.ws.Timer);
            }

            if (FastChat.ws.ReConnection) {
                console.log('每隔10秒将再次尝试重连 WebSocket')
                FastChat.ws.Timer = setInterval(FastChat.ConnectSocket, 10000);//每10秒重新连接一次
            }
        }
    },
    bulidChat: function (data) {

        $("<div>")
            .attr({
                'data-toggle': "popover",
                'data-title': '新消息',
                'data-placement': "auto left",
                'data-content': '',
                'style': 'position: fixed;top: 100px;width: 48px;height: 48px;right: 90px;z-index: 9999;',
                'data-html': true,
                'data-template': '<div class="chat_button_popover popover" role="tooltip"><div class="arrow"></div><h3 class="popover-title"></h3><div class="popover-content"></div></div>',
                id: 'chat_button',
                class: 'chat_button'
            })
            .appendTo("body");

        $("<img>")
            .attr({
                src: FastChat.config.__CDN__ + "/assets/addons/fastchat/img/fastchat.png",
                ondragstart: "return false;",
                style: 'width: 100%;height: 100%;'
            })
            .appendTo("#chat_button");

        $("body").append(data.window_html);

        $('#search_input').attr('placeholder', data.search_tip);

        if (!FastChat.ws.SocketTask || FastChat.ws.SocketTask.readyState === 3 || FastChat.ws.SocketTask.readyState === 2) {
            $('#error_warning').html('链接中...');
        }

        let send_tis_key = parseInt(data.send_message_key) === 1 ? 'Enter' : 'Ctrl+Enter';

        $('#send_tis').html('按下' + send_tis_key + '发送消息');

        var username = data.user_info ? data.user_info.username : '未登录';
        $('#modal-title').html(data.chat_name + ' - ' + username);

    },
    buildSession: function (item) {

        if (item.existing_session || $('#session_list').children("[data-session='" + item.id + "']").length) {
            // 去掉该会话再添加最新的
            $('#session_list').children("[data-session='" + item.id + "']").remove();
        }

        $('#session_list').prepend(
            '<li class="person" data-session="' + item.id + '" data-session_user="' + item.session_user + '">' +
            '<img class="person_avatar" src="' + item.avatar + '" alt="" />' +
            '<div class="session_info_item">' +
            '<span class="name">' + item.nickname + '</span>' +
            '<span class="time">' + item.last_time + '</span>' +
            '</div><div class="session_info_item">' +
            '<span class="preview">' + item.last_message + '</span>' +
            (item.unread_msg_count ? '<span class="unread_msg_count">' + item.unread_msg_count + '</span>' : '<span class="unread_msg_count count_hide"></span>') +
            '</div>' +
            '</li>'
        );

        if (!item.online) {
            // 把头像变灰色
            FastChat.edit_online_status(item.session_user, 0);
        }
    },
    buildSessionTime: function (data, page) {
        if (parseInt(page) === 1) {
            $('.chat_scroll').append('<div class="conversation-start"><span>' + data + '</span></div>');
        } else {
            $('.chat_scroll').prepend('<div class="conversation-start"><span>' + data + '</span></div>');
        }
    },
    buildRecord: function (data, page) {
        if (parseInt(page) === 1) {
            $('.chat_scroll').append('<div class="bubble ' + data.sender + '">' + data.message + '</div>');
        } else {
            $('.chat_scroll').prepend('<div class="bubble ' + data.sender + '">' + data.message + '</div>');
        }
    },
    changeSession: function (event) {

        if (event.length === 0) {
            FastChat.session_id = 0;
            $('#session_user_name').html('无会话');
            return;
        }

        $('.person').removeClass("active");

        if ($('.chat-container .right').css('display') != 'none' &&
            $('.chat-container .left').css('display') != 'none') {
            event.addClass("active");
        }

        let session_id = event.data('session');

        // 加载聊天记录
        var load_message = {
            c: 'Message',
            a: 'chat_record',
            data: {
                session_id: session_id,
                page: 1
            }
        };
        FastChat.session_id = session_id;

        FastChat.ws_send(load_message);

        // 清理红点
        event.children(".session_info_item").children(".unread_msg_count").eq(0).hide(200);
        // 获取焦点
        $('#message').focus();
        $('.chat_emoji').hide();
    },
    buildChatImg: function (filename, facename, is_filepath = false) {
        if (is_filepath) {
            return '<img title="' + facename + '" src="' + filename + '" />';
        } else {
            return '<img title="' + facename + '" src="' + FastChat.config.__CDN__ + '/assets/addons/fastchat/img/emoji/' + filename + '" />';
        }
    },
    buildChatA: function (filepath, file_suffix) {
        return '<a href="' + filepath + '">点击下载：' + file_suffix + ' 文件</a>';
    },
    buildUrl: function (url, modulename, type = 'ws', wsport = 8282) {

        // 用户的身份通过读取 cookie 来识别

        var protocol = window.location.protocol + '//';
        var port = window.location.port;
        port = port ? ':' + port:'';

        if (type === 'ws') {

            // 用户的身份通过 FastChat.config.token_list.kefu_token 来识别
            // 游客的身份通过 FastChat.config.token_list.fastchat_tourists_token 来识别
            let token = '&token=' + (FastChat.config.token_list.fastchat_token ? FastChat.config.token_list.fastchat_token : '');
            let fastchat_user = '&fastchat_user=' + (FastChat.config.token_list.fastchat_tourists_token ? FastChat.config.token_list.fastchat_tourists_token : '');
            protocol = parseInt(FastChat.config.wss_switch) === 1 ? 'wss://':'ws://';

            return protocol + url + ':' + wsport + '?modulename=' +
                modulename + token + fastchat_user;
        } else if (type === 'initialize') {

            if (FastChat.is_cross_domain){
                return protocol + url + port + '/addons/fastchat/index/initialize?modulename=' +
                    modulename + '&tourists_token=' + FastChat.getCookie('fastchat_tourists');
            }

            return protocol + url + port + '/addons/fastchat/index/initialize?modulename=' +
                modulename;
        } else if (type === 'upload') {

            return protocol + url + port + '/addons/fastchat/index/upload?modulename=' +
                modulename;
        } else if (type === 'load_message_prompt') {
            return protocol + url + port + '/addons/fastchat/index/load_message_prompt?modulename=' +
                modulename;
        }


    },
    // 设置搜索框选中的预选词
    setSelectedItem: function () {

        if (FastChat.search_primary < 0) {
            FastChat.search_primary = $('#search_users').find('li').length - 1;
        } else if (FastChat.search_primary > $('#search_users').find('li').length - 1) {
            FastChat.search_primary = 0;
        }

        $('#search_users').find('li').removeClass('select_item')
            .eq(FastChat.search_primary).addClass('select_item');

        // 将预选词放入输入框
        $('#search_input').val($('#search_users').find('li').eq(FastChat.search_primary).data('nickname'));
        FastChat.search_select_id = $('#search_users').find('li').eq(FastChat.search_primary).data('userid');
    },
    postAddSession: function () {

        if (!FastChat.search_select_id) {
            layer.msg('用户找不到啦！');
        }

        $('#search_input').val('');
        var load_message = {
            c: 'Message',
            a: 'add_session',
            data: {
                user_id: FastChat.search_select_id
            }
        };

        FastChat.ws_send(load_message);
    },
    sendMessage: function (message) {

        var load_message = {
            c: 'Message',
            a: 'send_message',
            data: {
                message: message,
                session_id: FastChat.session_id
            }
        };

        FastChat.ws_send(load_message);

        var data = {
            sender: 'me',
            message: message
        }

        FastChat.buildRecord(data, 1);

        $('#message').html('');

        var re = new RegExp("<img(.*)>", "g");
        message = message.replace(re, '[图片]');
        re = new RegExp("<a(.*)</a>", "g");
        message = message.replace(re, '[链接]');

        // 修改该会话的最后消息
        let session = $('#session_list').children("[data-session='" + FastChat.session_id + "']");
        session.children(".session_info_item").children(".time").eq(0).html('刚刚');
        session.children(".session_info_item").children(".preview").eq(0).html(message);
        let first_session = $('#session_list li').eq(0);
        first_session.before(session);
        if ($('#chat_scroll').children('.conversation-start').children('span').eq(0).html() === '还没有消息') {
            $('#chat_scroll').children('.conversation-start').children('span').eq(0).html('刚刚');
        }
        $('.chat_scroll').scrollTop($('.chat_scroll')[0].scrollHeight);
    },
    show_window: function () {

        FastChat.window_is_show = true;

        if (!FastChat.getCookie('new_user')) {
            FastChat.setCookie('new_user', true, 365);
        }

        // 检查 websocket 是否连接
        if (!FastChat.ws.SocketTask || FastChat.ws.SocketTask.readyState === 3 || FastChat.ws.SocketTask.readyState === 2) {
            FastChat.ConnectSocket();
        }

        // 隐藏会话按钮和提示消息
        $('#chat_button').popover('hide');
        $('#chat_button').hide(200);

        $('#FastChat').modal({
            keyboard: false,
            show: true
        });

        // 找到当前会话，去掉红点标记(直接重载当前会话)
        if (FastChat.session_id) {
            var load_message = {
                c: 'Message',
                a: 'chat_record',
                data: {
                    session_id: FastChat.session_id,
                    page: 1
                }
            };

            FastChat.ws_send(load_message);
            // 清理红点
            let session = $('#session_list').children("[data-session='" + FastChat.session_id + "']");
            session.children(".session_info_item").children(".unread_msg_count").eq(0).hide(200);
        } else {
            FastChat.changeSession($('.person').eq(0));
        }
    },
    forecast_add_session: function (e) {
        // 预添加会话
        FastChat.search_select_id = $(e.currentTarget).data('userid');
        FastChat.postAddSession();//添加会话
        $('#search_users').hide(200);
        $('#search_input').val('');
        FastChat.search_select_id = 0;

        // 显示会话窗口
        FastChat.show_window();
    },
    show_popover: function (content) {
        if (!FastChat.window_is_show && content) {
            $('#chat_button').attr("data-content", content);
            $('#chat_button').popover('show');
        }
    },
    edit_online_status: function (user_id, status) {
        if (status) {
            $('#session_list').children("[data-session_user='" + user_id + "']").children(".person_avatar").removeClass("person_head_gray");
        } else {
            $('#session_list').children("[data-session_user='" + user_id + "']").children(".person_avatar").addClass("person_head_gray");
        }
    },
    edit_shielding_status: function (blacklist, code, session_id) {

        // code:1=屏蔽成功,2=解除屏蔽成功,3=通过blacklist判断屏蔽状态

        if (code === 3) {
            if (blacklist) {
                $('.shielding').html('取消屏蔽');
            } else {
                $('.shielding').html('屏蔽此人');
            }

            return;
        }

        if (code === 1 && parseInt(session_id) === parseInt(FastChat.session_id)) {
            $('.shielding').html('取消屏蔽');
        } else if (code === 2 && parseInt(session_id) === parseInt(FastChat.session_id)) {
            $('.shielding').html('屏蔽此人');
        }
    },
    domsg: function (msg) {

        if (msg.msgtype === 'config') {
            // 加载会话列表
            var load_message = {
                c: 'Message',
                a: 'session_list'
            };
            FastChat.ws_send(load_message);

            if (!FastChat.window_is_show && msg.data.new_msg) {
                // 窗口关闭状态

                FastChat.show_popover(msg.data.new_msg);
                // 抖动按钮和播放提示音
                FastChat.new_message_prompt('#chat_button');
            }

            // console.log('接受到config',msg);
        } else if (msg.msgtype === 'offline') {
            FastChat.edit_online_status(msg.user_id, 0);
        } else if (msg.msgtype === 'online') {
            FastChat.edit_online_status(msg.user_id, 1);
        } else if (msg.msgtype === 'test') {
            console.log(msg)
        } else if (msg.msgtype === 'shielding_session') {
            FastChat.edit_shielding_status(false, msg.code, msg.session_id);
        } else if (msg.msgtype === 'welcome_tourists') {
            if (msg.code == 1) {
                FastChat.setCookie('fastchat_tourists', msg.data, 10);
            }
        } else if (msg.msgtype === 'search_user') {

            if (msg.data.length) {

                FastChat.search_primary = -1;

                $('#search_users').html('');
                $.each(msg.data, function (index, item) {

                    $('#search_users').show(200);
                    $('#search_users').append(
                        '<li class="fastchat_user" data-userid="' + item.id + '" data-nickname="' + item.nickname + '">' +
                        '<img src="' + item.avatar + '" alt="" />' +
                        '<span class="name">' + item.nickname + '</span>' +
                        '<span class="go_chat">聊天</span>' +
                        '</li>'
                    );
                })
            } else {
                $('#search_users').html('');
                $('#search_users').show(200);
                $('#search_users').append(
                    '<li class="fastchat_user" data-userid="0">' +
                    '<span class="name">找不到该用户！</span>' +
                    '</li>'
                );
            }
        } else if (msg.msgtype === 'add_session') {

            if (msg.code === 1) {
                FastChat.buildSession(msg.data);
                FastChat.changeSession($('.person').eq(0));
                FastChat.edit_shielding_status(msg.data.blacklist, 3);
            }
        } else if (msg.msgtype === 'message_list') {

            $('#session_list').html('');

            for (let i in msg.data) {
                FastChat.buildSession(msg.data[i]);
            }

            if (FastChat.window_is_show) {
                FastChat.changeSession($('.person').eq(0));
            }

        } else if (msg.msgtype === 'chat_record') {
            // 聊天记录

            if (msg.code === 0) {
                return;
            }

            if (parseInt(msg.data.page) === 1) {
                $('.chat_scroll').html('');
            }

            var chat_record = msg.data.chat_record

            $('#session_user_name').html(msg.data.session_info.nickname ? msg.data.session_info.nickname : '游客');
            FastChat.chat_record_page = msg.data.next_page;

            for (let i in chat_record) {

                if (msg.data.page === 1) {
                    FastChat.buildSessionTime(chat_record[i].datetime, msg.data.page);
                }

                for (let y in chat_record[i].data) {
                    FastChat.buildRecord(chat_record[i].data[y], msg.data.page)
                }

                if (msg.data.page !== 1) {
                    FastChat.buildSessionTime(chat_record[i].datetime, msg.data.page);
                }
            }

            FastChat.edit_shielding_status(msg.data.session_info.blacklist, 3);
            setTimeout(() => {
                $('.chat_scroll').scrollTop($('.chat_scroll')[0].scrollHeight);
            }, 500)
        } else if (msg.msgtype === 'clear') {
            FastChat.ws.MaxRetryCount = 0;
            FastChat.ws.ReConnection = false;

            // 删除
            var delTimer = setInterval(function () {
                if ($('#chat_button').length != 0) {
                    console.warn('禁止匿名聊天,清退链接！');
                    $('#chat_button').popover('hide');
                    $('#chat_button').remove();
                    $('#FastChat').modal('hide');
                    clearInterval(delTimer);
                }
            }, 100);

            var load_message = {
                c: 'Message',
                a: 'clear'
            };
            FastChat.ws_send(load_message);
        } else if (msg.msgtype === 'new_message') {

            var message_content = msg.data.nickname + '发来新的消息！';

            let mp3 = new Audio("https://pbbaby.xunsoftware.com/uploads/audio/order.mp3");
            mp3.loop = false;
            mp3.play();


            if (FastChat.window_is_show) {
                // 窗口打开状态

                FastChat.new_message_prompt('#FastChat');
            } else {
                // 窗口关闭状态

                FastChat.show_popover(message_content);
                // 抖动按钮和播放提示音
                FastChat.new_message_prompt('#chat_button');
            }

            // 检查是否有该会话
            let session = $('#session_list').children("[data-session='" + msg.data.id + "']");

            if (session.length === 0) {
                FastChat.buildSession(msg.data);
            } else {

                // 修改该会话的最后消息
                session.children(".session_info_item").children(".time").eq(0).html(msg.data.last_time);
                session.children(".session_info_item").children(".preview").eq(0).html(msg.data.last_message);

                // 将会话移动到第一位
                let first_session = $('#session_list li').eq(0);
                first_session.before(session);

                if ($('#chat_scroll').children('.conversation-start').children('span').eq(0).html() === '还没有消息') {
                    $('#chat_scroll').children('.conversation-start').children('span').eq(0).html('刚刚');
                }

                // 必要时,直接去除红点
                if (parseInt(msg.data.id) === parseInt(FastChat.session_id) && FastChat.window_is_show) {
                    FastChat.buildRecord(msg.data, 1);

                    var load_message = {
                        c: 'Message',
                        a: 'read_message',
                        data: {
                            record_id: msg.data.record_id
                        }
                    };
                    FastChat.ws_send(load_message);
                    $('.chat_scroll').scrollTop($('.chat_scroll')[0].scrollHeight);
                    return;
                }

                if (msg.data.unread_msg_count > 0) {
                    session.children(".session_info_item").children(".unread_msg_count").eq(0).html(msg.data.unread_msg_count).show(200);
                } else {
                    session.children(".session_info_item").children(".unread_msg_count").eq(0).hide(200);
                }
            }

        }

    },
    playSound: function () {
        FastChat.audio.source = FastChat.audio.context.createBufferSource();
        FastChat.audio.source.buffer = FastChat.audio.buffer;
        FastChat.audio.source.loop = false;
        FastChat.audio.source.connect(FastChat.audio.context.destination);
        FastChat.audio.source.start(0); //立即播放
    },
    loadAudioFile: function (url) {
        var xhr = new XMLHttpRequest(); //通过XHR下载音频文件
        xhr.open('GET', url, true);
        xhr.responseType = 'arraybuffer';
        xhr.onload = function (e) { //下载完成

            FastChat.audio.context.decodeAudioData(this.response,
                function (buffer) { //解码成功时的回调函数
                    FastChat.audio.buffer = buffer;
                    FastChat.playSound();
                },
                function (e) { //解码出错时的回调函数
                    console.log('音频解码失败', e);
                });
        };
        xhr.send();
    },
    new_message_prompt: function (event) {

        // 抖动元素和播放提示音乐
        $(event).addClass('fastchat-shake-horizontal');

        setTimeout(function () {
            $(event).removeClass('fastchat-shake-horizontal');
        }, 400);

        if (FastChat.audio.buffer) {
            FastChat.playSound();
        } else {
            let url = FastChat.buildUrl(FastChat.url, 'index', 'load_message_prompt');

            FastChat.loadAudioFile(url);
        }

    },
    getCookie: function (cname) {
        var name = FastChat.cookie_prefix + cname + "=";
        var decodedCookie = document.cookie
        var ca = decodedCookie.split(';');
        for (var i = 0; i < ca.length; i++) {
            var c = ca[i];
            while (c.charAt(0) === ' ') {
                c = c.substring(1);
            }
            if (c.indexOf(name) === 0) {
                return c.substring(name.length, c.length);
            }
        }
        return '';
    },
    setCookie: function (cname, cvalue, exdays) {
        var d = new Date();
        d.setTime(d.getTime() + (exdays * 24 * 60 * 60 * 1000));
        var expires = "expires=" + d.toUTCString();
        document.cookie = FastChat.cookie_prefix + cname + "=" + cvalue + ";" + expires + ";path=/";
    },
    ws_send: function (message) {

        if (!message) {
            message = {c: 'Message', a: 'ping'};
        }

        if (FastChat.ws.SocketTask && FastChat.ws.SocketTask.readyState == 1) {
            FastChat.ws.SocketTask.send(JSON.stringify(message));
        } else {
            console.log('消息发送出错', message)
            FastChat.ws.ErrorMsg.push(message);
        }

    },
    eventReg: function () {

        // 点击轻提示和FastChat悬浮球的事件
        $(document).on('click', '.chat_button_popover,#chat_button', function () {
            FastChat.show_window();
        });

        // 拖动悬浮球的事情
        $(document).on('mousedown', '#chat_button', function (e) {

            $(document).find("iframe").css("pointer-events", "none");
            FastChat.fast_move = true;
            FastChat.fast_x = e.pageX - parseInt($("#chat_button").css("left"));
            FastChat.fast_y = e.pageY - parseInt($("#chat_button").css("top"));

            $(document).on('mousemove', function (e) {

                if (FastChat.fast_move) {
                    var x = e.pageX - FastChat.fast_x;//控件左上角到屏幕左上角的相对位置
                    var y = e.pageY - FastChat.fast_y;

                    $("#chat_button").css({"top": y, "left": x});

                }

            }).mouseup(function () {
                $(document).find("iframe").css("pointer-events", "auto");
                FastChat.fast_move = false;
            });

        });

        // 滑动聊天记录的事件
        document.addEventListener('scroll', function (event) {
            if (event.target.id === 'chat_scroll') {
                if (parseInt($(event.target).scrollTop()) === 0 && FastChat.chat_record_page !== 'done') {

                    // 加载历史聊天记录

                    var load_message = {
                        c: 'Message',
                        a: 'chat_record',
                        data: {
                            session_id: FastChat.session_id,
                            page: FastChat.chat_record_page
                        }
                    };
                    FastChat.ws_send(load_message);
                }
            }
        }, true);

        // 隐藏窗口时
        $(document).on('hidden.bs.modal', '#FastChat', function (e) {
            $('#chat_button').show(200);
            FastChat.window_is_show = false;
        });

        // 屏蔽用户
        $(document).on('click', '.shielding', function () {

            var load_message = {
                c: 'Message',
                a: 'shielding_session',
                data: {
                    session_id: FastChat.session_id
                }
            };

            FastChat.ws_send(load_message);
        });

        // 监听子框架的点击事件-一键添加会话窗口
        /*$('iframe').contents().find('.fastchat_user').bind('click',function(e){
            FastChat.forecast_add_session(e);
        });*/

        // 添加会话窗口
        $(document).on('click', '.fastchat_user', function (e) {
            FastChat.forecast_add_session(e);
        });

        // 显示表情选择面板
        $(document).on('click', '.smiley', function (e) {
            $('.chat_emoji').toggle(200);
            // 获取焦点
            $('#message').focus();
        });

        // 选择表情
        $(document).on('click', '.chat_emoji img', function (e) {
            $('#message').append(e.target);
            $('.chat_emoji').hide();
            $('#message').focus();
        });

        // 用户选择了文件
        $(document).on('change', '#chatfile', function (e) {

            if (!$('#chatfile')[0].files[0]) {
                return;
            }

            // 上传文件
            var formData = new FormData();
            formData.append("file", $('#chatfile')[0].files[0]);

            var url = FastChat.buildUrl(FastChat.url, 'index', 'upload');

            $.ajax({
                url: url, /*接口域名地址*/
                type: 'post',
                data: formData,
                contentType: false,
                processData: false,
                success: function (res) {
                    if (res.code === 1) {
                        var file_name = res.data.url.split('.');
                        var file_suffix = file_name[file_name.length - 1];

                        if (file_suffix === 'png' ||
                            file_suffix === 'jpg' ||
                            file_suffix === 'gif' ||
                            file_suffix === 'jpeg') {

                            var message = FastChat.buildChatImg(res.data.url, '', true);
                            FastChat.sendMessage(message);
                        } else {
                            var file_name = res.data.url.split('.');
                            var file_suffix = file_name[file_name.length - 1];

                            var message = FastChat.buildChatA(res.data.url, file_suffix);
                            FastChat.sendMessage(message);
                        }
                    } else {
                        layer.msg(res.msg);
                    }
                },
                error: function (e) {
                    layer.msg('文件上传失败,请重试！');
                },
                complete: function () {
                    $('#chatfile').val('');
                }
            })
        });

        // 用户点击聊天记录窗口，隐藏表情面板
        $(document).on('click', '#chat_scroll', function () {
            if ($('.chat_emoji').css('display') === 'block') {
                $('.chat_emoji').hide();
            }
        });

        // 右键菜单
        $(document).on('contextmenu', '.person', function (e) {

            FastChat.select_session_id = $(e.currentTarget).data('session');
            var popupmenu = $('.fastchat_menu');
            popupmenu.hide();

            let l = ($(document).width() - e.clientX) < popupmenu.width() ? (e.clientX - popupmenu.width()) : e.clientX;
            let t = ($(document).height() - e.clientY) < popupmenu.height() ? (e.clientY - popupmenu.height()) : e.clientY;
            popupmenu.css({left: l, top: t}).show(200);

            e.preventDefault();
        }).click(function () {
            // 菜单的隐藏
            $('.fastchat_menu').hide();
        });

        // 点击右键菜单项
        $(document).on('click', '.fastchat_menu_item', function (e) {
            var action = $(e.currentTarget).data('action');

            if (FastChat.select_session_id && action === 'del') {
                // 删除会话
                $('#session_list').children("[data-session='" + FastChat.select_session_id + "']").remove();
                var load_message = {
                    c: 'Message',
                    a: 'del_session',
                    data: {
                        session_id: FastChat.select_session_id
                    }
                };

                FastChat.ws_send(load_message);
            } else if (FastChat.select_session_id && action === 'shielding') {
                // FastChat.shielding_session(window.FastChat.select_session_id);
            }
        });

        // 切换会话人
        $(document).on('click', '#session_list li', function (e) {
            if ($('.chat-container .right').css('display') === 'none') {
                $('.chat-container .right').show();
                $('.chat-container .left').hide();
            }
            FastChat.changeSession($(e.currentTarget));
        });

        // 手机版聊天窗口兼容
        $(document).on('hide.bs.modal', '#FastChat', function (e) {
            if ($('.chat-container .left').css('display') === 'none') {
                $('.chat-container .left').show(200);
                $('.chat-container .right').hide();
                return false;
            }
        });

        // 预览图片
        $(document).on('click', '.chat_scroll .bubble img', function (e) {
            var img_obj = $(e.target)[0];

            FastChat.allowed_close_window  = false;// 按下ecs不允许关闭会话窗口

            layer.photos({
                photos: {
                    "title":"聊天图片预览",
                    "id":"record",
                    data:[
                        {
                            "src":img_obj.src
                        }
                    ]
                },
                end:function () {
                    // 图片预览已关闭
                    FastChat.allowed_close_window  = true;
                },anim: 5 //0-6的选择，指定弹出图片动画类型，默认随机（请注意，3.0之前的版本用shift参数）
            });

        })

        // 搜索框失去焦点
        $(document).on('blur', '#search_input', function () {
            // $('#search_input').val('');
            setTimeout(function () {
                // 等待点击事件冒泡-防止搜索结果中的蓝色聊天文字不能被点击
                $('#search_users').hide(200);
                FastChat.search_select_id = 0;
            }, 250);
        })

        // 禁止回车键换行
        $(document).on('keypress', '#message', function (event) {

            if (parseInt(FastChat.config.send_message_key) === 1 && parseInt(event.keyCode) === 13 && !event.ctrlKey) {
                event.preventDefault()
            }

        });

        // 按键监听 FastChat.config.ecs_exit == 1
        $(document).on('keyup', function (event) {
            // 对ecs键的监听
            if (parseInt(event.keyCode) === 27 && FastChat.window_is_show) {
                if (parseInt(FastChat.config.ecs_exit) === 1 && FastChat.allowed_close_window) {
                    $('#FastChat').modal('hide');
                } else {
                    layer.closeAll();
                }
            }
        });


        // 按键发送消息监听
        $(document).on('keydown', '#message', function (event) {

            var message = $(event.currentTarget).html();

            if (parseInt(FastChat.config.send_message_key) === 1 && parseInt(event.keyCode) === 13 && !event.ctrlKey) {
                if (message) {
                    FastChat.sendMessage(message);
                }
            } else if (parseInt(FastChat.config.send_message_key) === 1 && parseInt(event.keyCode) === 13 && event.ctrlKey) {

                // Enter发送消息时，用户按下了ctrl+Enter
                if (FastChat.browserType() === "IE" || FastChat.browserType() === "Edge") {
                    $(event.currentTarget).html(message + "<div></div>");
                } else if (FastChat.browserType() === "FF") {
                    $(event.currentTarget).html(message + "<br/><br/>");
                } else {
                    $(event.currentTarget).html(message + "<div><br/></div>");
                }

                // 获得焦点
                var o = document.getElementById("message").lastChild;
                var sel = window.getSelection();
                var range = document.createRange();
                range.selectNodeContents(event.currentTarget);
                range.collapse(false);
                range.setEndAfter(o);
                range.setStartAfter(o);
                sel.removeAllRanges();
                sel.addRange(range);
            } else if (parseInt(FastChat.config.send_message_key) === 0 && parseInt(event.keyCode) === 13 && event.ctrlKey) {
                if (message) {
                    FastChat.sendMessage(message);
                }
            }
        });

        $(document).on('keyup', '#search_input', function (event) {
            if (parseInt(event.keyCode) === 13) {

                var user = $('#search_input').val();

                if (user.length <= 0) {

                    // 无搜索词，且预选框已显示，隐藏预选框
                    if ($('#search_users').css('display') !== 'none') {
                        $('#search_users').hide(200);
                        FastChat.search_select_id = 0;
                    } else {
                        layer.msg('请输入要查找的用户！');
                    }

                    return;
                } else {
                    // 有预选人,添加会话
                    if ($('#search_users').css('display') !== 'none' && FastChat.search_select_id) {
                        FastChat.postAddSession();
                        $('#search_users').hide(200);
                        FastChat.search_select_id = 0;
                        return;
                    }
                }

                var load_message = {
                    c: 'Message',
                    a: 'search_user',
                    data: user
                };

                FastChat.ws_send(load_message);
            } else if (parseInt(event.keyCode) === 38) {
                FastChat.search_primary--;
                FastChat.setSelectedItem();
            } else if (parseInt(event.keyCode) === 40) {
                FastChat.search_primary++;
                FastChat.setSelectedItem();
            }

            event.preventDefault()
        })
    },
    browserType: function () {
        var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串
        var isOpera = false;
        if (userAgent.indexOf('Edge') > -1) {
            return "Edge";
        }
        if (userAgent.indexOf('.NET') > -1) {
            return "IE";
        }
        if (userAgent.indexOf("Opera") > -1 || userAgent.indexOf("OPR") > -1) {
            isOpera = true;
            return "Opera"
        }
        ; //判断是否Opera浏览器
        if (userAgent.indexOf("Firefox") > -1) {
            return "FF";
        } //判断是否Firefox浏览器
        if (userAgent.indexOf("Chrome") > -1) {
            return "Chrome";
        }
        if (userAgent.indexOf("Safari") > -1) {
            return "Safari";
        } //判断是否Safari浏览器
        if (userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1 && !isOpera) {
            return "IE";
        }
        ; //判断是否IE浏览器
    }
}