/*
 * @Author: jack.lu
 * @Date: 2020-4-21 10:10:20
 * @Last Modified by: jack.lu
 * @Last Modified time: 2020-4-21 15:01:41
 */

import GoEasyIM from './goeasy-im-1.0.9';
import restApi from './restapi';
import music from './music.mp3'

function Friend(uuid, name, avatar,time = "", text = "",date = "",unReadMessage = 0) {
    this.uuid = uuid;
    this.name = name;
    this.avatar = avatar;
    this.online = false;
    this.unReadMessage = parseInt(unReadMessage);
    this.text = text;
    this.time = time;
    this.date = date
}

function Group(uuid, name, avatar) {
    this.uuid = uuid;
    this.name = name;
    this.avatar = avatar;
    this.unReadMessage = 0;
}

function CurrentUser(uuid, name, avatar) {
    this.uuid = uuid;
    this.name = name;
    this.avatar = avatar;
}

function IMService() {
    this.im = GoEasyIM.getInstance({
        host:'hangzhou.goeasy.io',//qos=1
        appkey:'BC-453aa755c4ea48148abefc55a86df283'
    });
    //当前“我”
    this.currentUser = null;
    //我的好友
    this.friends = {};
    this.friendsarr = [];
    //我的群
    this.groups = {};
    //私聊消息记录，map格式，每个好友对应一个数组
    this.privateMessages = {};

    //群聊消息记录，map格式，每个群对应一个数组
    this.groupMessages = {};
    
    this.uid = 0;
    /*
     * 监听器们
     *
     * 可以在页面里，根据需求，重写以下监听器，
     * 便于当各种事件触发时，页面能够执行对应的响应
     *
     */
    //收到一条私聊消息
    this.onNewPrivateMessageReceive = function (friendId, message) {};
    //完成一次私聊历史加载
    this.onPrivateHistoryLoad = function (friendId, messages) {};
    //收到一条群聊消息
    this.onNewGroupMessageReceive = function (groupId, message) {};
    //完成一次群聊历史加载
    this.onGroupHistoryLoad = function (groupId, messages) {};
    //好友列表发生改变
    this.onFriendListChange = function (friends) {};
    //群列表发生改变
    this.onGroupListChange = function (groups) {};

    this.whenNewMessage = function () {

    };
    this.whenOnlineUserChange = function () {

    };
    this.warrings = function() {

    };
    
}

//登录
IMService.prototype.login = function (uuid, name, avatar) {
        //初始化当前用户
        this.currentUser = new CurrentUser(uuid, name, avatar);
        //初始化联系人信息，包括群
        this.initialContacts();
        return true;

};

//初始化联系人信息
IMService.prototype.initialContacts = function (friendList) {
    //查询并初始化好友信息
    // let friendList = restApi.findFriends(this.currentUser);
    let value = uni.getStorageSync('imlist');
    console.log(value)
    if(value != undefined && !value){
        return ;
    }
    value = JSON.parse(value)
    let that = this
    console.log(value)
    for(let i of value){
        const token = uni.getStorageSync('token');
        console.log(token)
        uni.request({
            url:"https://mall.dmygkeji.com/api/Specialci/getAtwillUserInfo",
            data:{
                userId:i[0]
            },
            method:"POST",
            header:{
                "Authorization" : 'Bearer' + " " + token
            },
            success(res){
                console.log(res)
                that.friends[i[0]] = new Friend(res.data.data.member_id, res.data.data.member_nickname, res.data.data.member_avatar,i[1],i[2],i[3]);
                console.log(that.friends)
                let sorts = function (friends){
                    let paixu = function (a,b){
                        if(a.date > b.date && b.unReadMessage == 0){
                            return 0;
                        }else{
                            return 1;
                        }
        
                    }
                    friends.sort(paixu)
                   
                }
                that.friendsarr = []
                for(let i in that.friends){
                    console.log(i)
                    that.friendsarr.push(that.friends[i])
                }
                sorts(that.friendsarr)
                console.log("历史记录")
                that.onFriendListChange(that.friends);

            }
        })
    }
    //将用户列表初始化为一个map，便于后续根据friendId得到friend
    // friendList.map(friend => {
    //     this.friends[friend.uuid] = new Friend(friend.uuid, friend.name, friend.avatar);
    // });

    //查询并初始化与自己相关的群信息
    // let groupList = restApi.findGroups(this.currentUser);

    // //将群列表初始化为一个map，方便后续根据groupId索引
    // groupList.map(group => {
    //     this.groups[group.uuid] = new Group(group.uuid, group.name, group.avatar);
    // });
};

//获取群成员
IMService.prototype.getGroupMembers = function (groupId) {
    let members = restApi.findGroupMembers(groupId);
    let membersMap = {};
    members.map(item => {
        membersMap[item.uuid] = item
    });
    return membersMap;
};

IMService.prototype.getGroupMessages = function (groupId) {
    if (!this.groupMessages[groupId]) {
        this.groupMessages[groupId] = {
            sentMessages:[],
            pendingMessages:[]
        };
    }
    return this.groupMessages[groupId]
};


IMService.prototype.getPrivateMessages = function (friendId) {
    if (!this.privateMessages[friendId]) {
        this.privateMessages[friendId] = {
            sentMessages:[],
            pendingMessages:[]
        };
    }
    return this.privateMessages[friendId]
};

//重置群聊未读消息
IMService.prototype.resetGroupUnReadMessage = function (group) {
    this.groups[group.uuid].unReadMessage = 0;
    this.onGroupListChange(this.groups);
};

//将好友的未读消息数字清零
IMService.prototype.resetFriendUnReadMessage = function (friend) {
    if(friend && friend.uuid){
        this.friends[friend.uuid].unReadMessage = 0;
    }
    this.onFriendListChange(this.friends);
};

//连接GoEasy
IMService.prototype.connectIM = function () {
    //初始化IM相关的监听器
    try {
    this.initialIMListeners();
        
    } catch (error) {
        console.log(123)
    }
    try {
        this.im.connect({
            id: this.currentUser.uuid,
            data: {
                avatar: this.currentUser.avatar,
                name: this.currentUser.name
            }
        }).then(() => {
            console.log('连接成功')
            //订阅与自己相关的群信息
            this.subscribeGroupMessage();
            //初始化好友们的在线状态
            this.initialFriendOnlineStatus();
            //订阅我的好友们的上下线信息
            this.subscribeFriendsPresence();
        }).catch(error => {
            console.log('连接失败,请确保网络正常，appkey和host正确，code:' + error.code + " content:" + error.content);
        });
    } catch (error) {
        console.log(12323)
    }
    
};

//IM监听
IMService.prototype.initialIMListeners = function () {
    this.im.on(GoEasyIM.EVENT.CONNECTED, () => {
        console.log('连接成功.')
    });

    this.im.on(GoEasyIM.EVENT.DISCONNECTED, () => {
        console.log('连接断开.')
    });

    //监听好友上下线
    this.im.on(GoEasyIM.EVENT.USER_PRESENCE, (user) => {
        console.log(user)
        //更新好友在线状态
        let onlineStatus = user.action == 'online' ? true : false;
        let friend = this.friends[user.userId];
        friend.online = onlineStatus;

        //如果页面传入了相应的listener，执行listener
        this.onFriendListChange(this.friends);
    });

    //监听私聊消息
    this.im.on(GoEasyIM.EVENT.PRIVATE_MESSAGE_RECEIVED, (message) => {
        console.log(message)
        if(message.senderId == 0){
            console.log(message.payload.text)
            this.warrings(JSON.parse(message.payload.text))
            return;
        }
        //如果不是自己发的，朋友未读消息数 +1
        if (message.senderId != this.currentUser.uuid) {
            let friend = this.friends[message.senderId];
            console.log(friend)
            // return ;
            let sorts = function (friends){
                let paixu = function (a,b){
                    if(a.date > b.date && b.unReadMessage == 0){
                        return 0;
                    }else{
                        return 1;
                    }
    
                }
                friends.sort(paixu)
               
            }
            if(message.senderId != this.uid){
                const innerAudioContext = uni.createInnerAudioContext();
                innerAudioContext.autoplay = true;
                innerAudioContext.src = music;
                innerAudioContext.onPlay(() => {
                    console.log('开始播放');
                });
            }
            
            let that = this
            if(!friend && friend == undefined){
                const token = uni.getStorageSync('token');
                console.log(token)
                uni.request({
                    url:"https://mall.dmygkeji.com/api/Specialci/getAtwillUserInfo",
                    data:{
                        userId:message.senderId
                    },
                    method:"POST",
                    header:{
                        "Authorization" : 'Bearer' + " " + token
                    },
                    success(res){
                        console.log(res)
                        that.friends[message.senderId] = new Friend(res.data.data.member_id, res.data.data.member_nickname, res.data.data.member_avatar);
                        friend = that.friends[message.senderId];
                        console.log(friend)
                        friend.unReadMessage++;
                        friend.text = message.type != "text" ? "其他消息" : message.payload.text
                        let time = new Date(message.timestamp)
                        friend.date = message.timestamp
                        friend.time = (time.getHours() < 10 ? '0' + time.getHours() : time.getHours()) + ":" + (time.getMinutes() < 10 ? '0' + time.getMinutes() : time.getMinutes())  + ":" + (time.getSeconds() < 10 ? '0' + time.getSeconds() : time.getSeconds())

                        console.log(that.friends)
                        that.friendsarr = []
                        for(let i in that.friends){
                            console.log(i)
                            that.friendsarr.push(that.friends[i])
                        }
                        sorts(that.friendsarr)
                        let arr = []
                        for(let i in that.friends){
                            arr.push([that.friends[i].uuid,that.friends[i].time,that.friends[i].text,that.friends[i].date,that.friends[i].unReadMessage])
                        }
                        console.log(arr)
                        uni.setStorageSync('imlist',JSON.stringify(arr))
                        let value = uni.getStorageSync('imlist');
                        console.log(value)
                        that.onFriendListChange(that.friends);

                    }
                })
            }else{
                console.log(friend)
                friend.unReadMessage++;
                friend.text = message.type != "text" ? "其他消息" : message.payload.text
                let time = new Date(message.timestamp)
                friend.date = message.timestamp
                friend.time = (time.getHours() < 10 ? '0' + time.getHours() : time.getHours()) + ":" + (time.getMinutes() < 10 ? '0' + time.getMinutes() : time.getMinutes())  + ":" + (time.getSeconds() < 10 ? '0' + time.getSeconds() : time.getSeconds())

                console.log(this.friends)  
                that.friendsarr = []
                for(let i in this.friends){
                    that.friendsarr.push(this.friends[i])
                }
                sorts(that.friendsarr)
                let arr = []
                for(let i in that.friends){
                    arr.push([that.friends[i].uuid,that.friends[i].time,that.friends[i].text,that.friends[i].date,that.friends[i].unReadMessage])
                }
                console.log(arr)
                uni.setStorageSync('imlist',JSON.stringify(arr))
                let value = uni.getStorageSync('imlist');
                console.log(value)
                this.onFriendListChange(this.friends);

            }
            // let value = uni.getStorageSync('imlist');
            // value = JSON.parse(value)
            // if(value.indexOf(message.senderId) == -1){
            //     value.unshift(message.senderId)
            // }
            // uni.setStorageSync('imlist',JSON.stringify(value))
          
        }
        //更新私聊消息记录
        let friendId;
        if (this.currentUser.uuid == message.senderId) {
            friendId = message.receiverId;
        } else {
            friendId = message.senderId;
        }
        removePrivatePendingMessage(this, friendId, message);

        let friendMessages = this.getPrivateMessages(friendId);
        friendMessages.sentMessages.push(message);

        //如果页面传入了相应的listener，执行listener
        this.onNewPrivateMessageReceive(friendId, message);
    });

    // //监听群聊消息
    // this.im.on(GoEasyIM.EVENT.GROUP_MESSAGE_RECEIVED, (message) => {
    //     let groupId = message.groupId;
    //     //群未读消息+1
    //     let group = this.groups[groupId];
    //     group.unReadMessage++;
    //     removeGroupPendingMessage(this, groupId, message);
    //     //如果页面传入了相应的listener，执行listener
    //     this.onGroupListChange(this.groups);

    //     //更新群聊消息记录
    //     let groupMessages = this.getGroupMessages(groupId);
    //     let sentMessages = groupMessages.sentMessages;
    //     sentMessages.push(message);
    //     //如果页面传入了相应的listener，执行listener
    //     this.onNewGroupMessageReceive(groupId, message);
    // })
};

IMService.prototype.sendMessagesSetStorage = function (friendId,message){
    let friend = this.friends[friendId];
    console.log(friend)
    // return ;
    let sorts = function (friends){
        let paixu = function (a,b){
            if(a.date > b.date && b.unReadMessage == 0){
                return 0;
            }else{
                return 1;
            }

        }
        friends.sort(paixu)
       
    }
    
    let that = this
    if(!friend && friend == undefined){
        const token = uni.getStorageSync('token');
        console.log(token)
        uni.request({
            url:"https://mall.dmygkeji.com/api/Specialci/getAtwillUserInfo",
            data:{
                userId:friendId
            },
            method:"POST",
            header:{
                "Authorization" : 'Bearer' + " " + token
            },
            success(res){
                console.log(res)
                that.friends[friendId] = new Friend(res.data.data.member_id, res.data.data.member_nickname, res.data.data.member_avatar);
                friend = that.friends[friendId];
                console.log(friend)
                friend.text = message
                let time = new Date()
                friend.date = time.getTime()
                friend.time = (time.getHours() < 10 ? '0' + time.getHours() : time.getHours()) + ":" + (time.getMinutes() < 10 ? '0' + time.getMinutes() : time.getMinutes())  + ":" + (time.getSeconds() < 10 ? '0' + time.getSeconds() : time.getSeconds())

                console.log(that.friends)
                that.friendsarr = []
                for(let i in that.friends){
                    console.log(i)
                    that.friendsarr.push(that.friends[i])
                }
                sorts(that.friendsarr)
                let arr = []
                for(let i in that.friends){
                    arr.push([that.friends[i].uuid,that.friends[i].time,that.friends[i].text,that.friends[i].date,0])
                }
                console.log(arr)
                uni.setStorageSync('imlist',JSON.stringify(arr))

                that.onFriendListChange(that.friends);

            }
        })
    }else{
        console.log(friend)
        friend.text = message
        let time = new Date()
        friend.date = time.getTime()
        friend.time = (time.getHours() < 10 ? '0' + time.getHours() : time.getHours()) + ":" + (time.getMinutes() < 10 ? '0' + time.getMinutes() : time.getMinutes())  + ":" + (time.getSeconds() < 10 ? '0' + time.getSeconds() : time.getSeconds())

        console.log(this.friends)  
        that.friendsarr = []
        for(let i in this.friends){
            that.friendsarr.push(this.friends[i])
        }
        sorts(that.friendsarr)
        let arr = []
        for(let i in that.friends){
            arr.push([that.friends[i].uuid,that.friends[i].time,that.friends[i].text,that.friends[i].date,0])
        }
        console.log(arr)
        uni.setStorageSync('imlist',JSON.stringify(arr))
        this.onFriendListChange(this.friends);

    }
}
//订阅群消息
IMService.prototype.subscribeGroupMessage = function (id) {
    this.im.subscribeGroup([id])
        .then(() => {
            console.log('订阅群消息成功')
        })
        .catch(error => {
            console.log('订阅群消息失败')
            console.log(error)
        })
};

//初始化好友在线状态
IMService.prototype.initialFriendOnlineStatus = function () {
    let friendIds = Object.keys(this.friends);
    this.im.hereNow({
        userIds: friendIds
    }).then(result => {
        let onlineFriends = result.content;
        onlineFriends.map(user => {
            let friend = this.friends[user.userId];
            friend.online = true;
        });
        this.onFriendListChange(this.friends);
    }).catch(error => {
        console.log(error)
        if (error.code == 401) {
            console.log("获取在线用户失败，您尚未开通用户在线状态，请登录GoEasy，查看应用详情里自助启用.");
        }
    })
};

//监听所有好友上下线
IMService.prototype.subscribeFriendsPresence = function () {
    let friendIds = Object.keys(this.friends);
    this.im.subscribeUserPresence(friendIds)
        .then(() => {
            console.log('监听好友上下线成功')
        })
        .catch(error => {
            console.log(error);
            if (error.code == 401) {
                console.log("监听好友上下线失败，您尚未开通用户状态提醒，请登录GoEasy，查看应用详情里自助启用.");
            }
        });
};

//加载单聊历史消息
IMService.prototype.loadPrivateHistoryMessage = function (friendId, timeStamp) {
    this.im.history({
        friendId: friendId,
        lastTimestamp: timeStamp
    }).then(result => {
        let history = result.content;
        let privateMessages = this.getPrivateMessages(friendId);
        let friendMessages = privateMessages.sentMessages;
        for (let i = history.length - 1; i >=0; i--) {
            friendMessages.unshift(history[i])
        }
        //如果页面传入了相应的listener，执行listener
        this.onPrivateHistoryLoad(friendId, history);
    }).catch(error => {
        console.log(error);
        if (error.code == 401) {
            console.log("您尚未开通历史消息，请登录GoEasy，查看应用详情里自助启用.");
        }
    })
};

//发送私聊消息
IMService.prototype.sendPrivateTextMessage = function (friendId, text) {
    let textMessage = this.im.createTextMessage({
        text: text
    });
    this.sendPrivateMessage(friendId, textMessage);
    this.sendMessagesSetStorage(friendId, text)

};

//私聊图片消息
IMService.prototype.sendPrivateImageMessage = function (friendId, imageFile) {
    let imageMessage = this.im.createImageMessage({
        file: imageFile,
        onProgress :function (progress) {
            console.log(progress)
        }
    });
    this.sendPrivateMessage(friendId, imageMessage);
    this.sendMessagesSetStorage(friendId, '其他消息')
    
};

//私聊视频消息
IMService.prototype.sendPrivateVideoMessage = function (friendId, videoFile) {
    let videoMessage = this.im.createVideoMessage({
        file: videoFile,
        onProgress :function (progress) {
            console.log(progress)
        }
    });
    this.sendPrivateMessage(friendId, videoMessage);
    this.sendMessagesSetStorage(friendId, '其他消息')

};

IMService.prototype.sendPrivateAudioMessage = function (friendId, audiofile) {
    let audioMessage = this.im.createAudioMessage({
        file: audiofile,
        onProgress :function (progress) {
            console.log(progress)
        }
    });

    this.sendPrivateMessage(friendId, audioMessage);
    this.sendMessagesSetStorage(friendId, '其他消息')

};

//发送私聊消息
IMService.prototype.sendPrivateMessage = function (friendId, message) {

    //加入pendingMessage列表，成功后将会被挪除
    let privateMessages = this.getPrivateMessages(friendId);
    privateMessages.pendingMessages.push(message);

    //发送
    this.im.sendPrivateMessage(friendId, message)
        .then((res) => {
            console.log(res)
        })
        .catch(e => {
            console.log(e)
        })
};

//发送群聊消息
IMService.prototype.sendGroupTextMessage = function (groupId, message) {
    let textMessage = this.im.createTextMessage({
        text:message
    });
    this.sendGroupMessage(groupId, textMessage);
};
//私聊图片消息
IMService.prototype.sendGroupImageMessage = function (groupId, imageFile) {
    let imageMessage = this.im.createImageMessage({
        file: imageFile,
        onProgress :function (progress) {
            console.log(progress)
        }
    });
    this.sendGroupMessage(groupId, imageMessage);
};


//私聊视频消息
IMService.prototype.sendGroupVideoMessage = function (groupId, videoFile) {
    let videoMessage = this.im.createVideoMessage({
        file: videoFile,
        onProgress :function (progress) {
            console.log(progress)
        }
    });
    this.sendGroupMessage(groupId, videoMessage);
};

IMService.prototype.sendGroupAudioMessage = function (groupId, audioFile) {
    let audioMessage = this.im.createAudioMessage({
        file: audioFile,
        onProgress :function (progress) {
            console.log(progress)
        }
    });
    this.sendGroupMessage(groupId, audioMessage);
};

IMService.prototype.sendGroupMessage =function(groupId, groupMessage) {
    //先放入Pending列表，待成功后挪除
    let  groupMessages = this.getGroupMessages(groupId);
    let pendingMessages = groupMessages.pendingMessages;
    pendingMessages.push(groupMessage)

    this.im.sendGroupMessage(groupId, groupMessage)
        .then((res) => {
            console.log(res)
        })
        .catch(e => {
            console.log(e)
        })
}

//群聊历史消息
IMService.prototype.loadGroupHistoryMessage = function (groupId, timeStamp) {
    this.im.history({
        groupId: groupId,
        lastTimestamp: timeStamp
    }).then(result => {
        let history = result.content;
        let groupMessages = this.getGroupMessages(groupId);
        let sentGroupMessages = groupMessages.sentMessages;
        for (let i = history.length - 1; i >= 0; i--) {
            sentGroupMessages.unshift(history[i]);
        }
        this.onGroupHistoryLoad(groupId, history);
    }).catch(error => {
        console.log(error)
        if (error.code == 401) {
            console.log("您尚未开通历史消息，请登录GoEasy，查看应用详情里自助启用.");
        }
    })
};

IMService.prototype.disconnect = function () {
    this.im.disconnect()
};


function removePrivatePendingMessage(imService,friendId, message){
    let privateMessages = imService.getPrivateMessages(friendId);
    let pendingMessages = privateMessages.pendingMessages;
    let pendingMessageIndex = pendingMessages.findIndex(item => item.messageId == message.messageId);
    if(pendingMessageIndex > -1) {
        pendingMessages.splice(pendingMessageIndex,1);
    }
}


function removeGroupPendingMessage(imService,groupId, message){
    let groupMessages = imService.getGroupMessages(groupId);
    let pendingMessages = groupMessages.pendingMessages;
    let pendingMessageIndex = pendingMessages.findIndex(item => item.messageId == message.messageId);
    if(pendingMessageIndex > -1) {
        pendingMessages.splice(pendingMessageIndex,1);
    }
}








//下面是合并的


//用户
function User(id, nickname, avatar) {
    this.id = id;
    this.nickname = nickname;
    this.avatar = avatar;
}

//消息
function Message(senderUserId, senderNickname, content, type) {
    this.senderNickname = senderNickname;
    this.senderUserId = senderUserId;
    this.content = content;
    this.type = type
}

//聊天室
function Room(id, name, currentUser) {

    this.id = id;
    this.name = name;
    this.currentUser = currentUser;

    this.onlineUsers = {
        count: 0,
        users: []
    };

    this.messages = [];

    this.MessageType = {
        CHAT: 0,//文字聊天
        PROP: 1//道具
    };

    this.Prop = {
        HEART: 0,//桃心
        ROCKET: 1//火箭
    };
}

IMService.prototype.initialWhenNewMessage = function (whenNewMessage) {
    this.whenNewMessage = whenNewMessage;
};

IMService.prototype.initialWhenOnlineUserChange = function (whenOnlineUserChange) {
    this.whenOnlineUserChange = whenOnlineUserChange;
};


//监听新消息
IMService.prototype.listenerNewMessage = function () {

    this.im.on(GoEasyIM.EVENT.GROUP_MESSAGE_RECEIVED, (message) => {
        console.log(message)
        if(message.senderId == 0){
            return ;
        }
		var content = JSON.parse(message.payload.text);
        this.addNewMessage(message);
        this.whenNewMessage(content);
    })
}

IMService.prototype.addNewMessage = function (message) {
    var content = JSON.parse(message.payload.text);
    let messageContent = "";
    //聊天消息
    if (content.type == this.room.MessageType.CHAT) {
        messageContent = content.content;
    }
    //道具消息
    if (content.type == this.room.MessageType.PROP) {
        if (content.content == this.room.Prop.ROCKET) {
            messageContent = "送出了一枚大火箭";
        }
        if (content.content == this.room.Prop.HEART) {
            messageContent = "送出了一个大大的比心";
        }
    }
    //添加消息
    let newMessage = new Message(message.senderId, content.senderNickname, messageContent);
    this.room.messages.push(newMessage);
};

//监听用户上下线
IMService.prototype.listenerGroupPresence = function () {
    this.im.on(GoEasyIM.EVENT.GROUP_PRESENCE, (event) => {
        //更新在线用户数
        this.room.onlineUsers.count = event.groupOnlineCount;

        if (event.action == 'join' || event.action == 'online') {
            let userData = JSON.parse(event.userData);
            //添加新用户
            let user = new User(event.userId, userData.nickname, userData.avatar);

            //添加在线用户，避免用户重复
            if (!this.room.onlineUsers.users.find(item => item.id == event.userId)) {
                this.room.onlineUsers.users.push(user);
            }

            //添加进入房间的消息
            let message = new Message(event.userId, userData.nickname, " 进入房间", this.room.MessageType.CHAT);
            this.room.messages.push(message);
        } else {
            let offlineUserIndex = this.room.onlineUsers.users.findIndex(item => item.id == event.userId);
            if (offlineUserIndex > -1) {
                //将离开的用户从onlineUsers中删掉
                let offlineUser = Object.assign(this.room.onlineUsers.users[offlineUserIndex]);
                this.room.onlineUsers.users.splice(offlineUserIndex, 1);
                //添加离开消息
                let message = new Message(offlineUser.id, offlineUser.nickname, " 离开房间", this.room.MessageType.CHAT)
                this.room.messages.push(message);
            }
        }
        this.whenOnlineUserChange(this.room.onlineUsers);
    })
};

//查询和初始化在线用户列表和在线用户数
IMService.prototype.initialOnlineUsers = function (roomId) {
    let self = this;

    //查询最新上线的用户列表
    this.im.groupHereNow(roomId)
        .then(result => {
            if (result.code == 200) {
                let users = [];
                result.content && result.content.map(function (onlineUser) {
                    let userData = JSON.parse(onlineUser.userData);
                    let user = new User(onlineUser.userId, userData.nickname, userData.avatar);
                    users.push(user);
                });
                self.room.onlineUsers = {
                    users: users
                };
            }
        }).catch(e => {
        if (e.code == 401) {
            console.log("您还没有开通用户在线状态提醒，登录goeasy->我的应用->查看详情->高级功能，自助开通.");
        } else {
            console.log(e);
        }
    });
    //获取聊天室在线用户数
    this.im.groupOnlineCount(roomId)
        .then(result => {
            this.room.onlineUsers.count = result.content.onlineCount;
        }).catch(e => {
        console.log(e)
    })
};

//订阅聊天室成员上下线
IMService.prototype.subscribePresence = function (roomId) {
    this.im.subscribeGroupPresence([roomId])
        .then(() => {
            console.log('成员上下线订阅成功')
        }).catch(e => {
        console.log(e)
    })
}

//订阅聊天室消息
IMService.prototype.subscribeRoomMessage = function (room, user) {
    this.room = new Room(room.id, room.name, user);
    

    //监听上下线提醒
    this.listenerGroupPresence();

    //监听新消息
    this.listenerNewMessage();
     //订阅用户上下线事件
     this.subscribePresence(this.room.id);
     //订阅聊天室消息
    //  this.subscribeRoomMessage(this.room.id);
    this.im.subscribeGroup([this.room.id])
        .then(result => {
            console.log('消息订阅成功')
        }).catch(e => {
        console.log(e,'失败')
    })
}

//历史消息
IMService.prototype.initialChatHistory = function (roomId) {
    var self = this;
    this.im.history({
        groupId: roomId
    }).then(res => {
        res.content.forEach(function (message) {
            self.addNewMessage(message);
        })
    }).catch(function (error) {
        if (error.code == 401) {
            console.log("您还没有开通历史消息的权限，登录goeasy->我的应用->查看详情->高级功能，自助开通.");
        } else {
            console.log(error);
        }
    })
};

//发送消息
IMService.prototype.sendMessages = function (roomId, content) {
	var contentMessage = {
		text: JSON.stringify(content)
	};
	let message = this.im.createTextMessage(contentMessage);
    this.im.sendGroupMessage(roomId, message)
        .then(() => {
            console.log('消息发送成功')
        }).catch(e => {
        console.log(e);
    })
};

//退出聊天室
IMService.prototype.quitRoom = function (roomId) {
    this.im.disconnect()
};


export default IMService;