var app = require('express')(),
    setting = require('./setting'),
    http = require('http'),
    bodyParser = require("body-parser"),
    RongSDK = require('rongcloud-sdk')({
        appkey: setting.appkey,
        secret: setting.secret
    }),
    port = setting.port;

var Group = RongSDK.Group,
    User = RongSDK.User;

var groupId, userList;


// 允许跨域
var allowCors = function (req, res, next) {
    res.header('Access-Control-Allow-Origin', req.headers.origin);
    res.header('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE,OPTIONS');
    res.header('Access-Control-Allow-Headers', 'Content-Type');
    res.header('Access-Control-Allow-Credentials', 'true');
    next();
};

app.use(allowCors);
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({
    extended: false
}));

app.post('/login', function (req, res) {
    var params = req.params,
        body = req.body;
    var userId = body.userId;
    var user = {
        id: userId,
        name: userId,
        portrait: '  '
    };
    var token;
    User.register(user).then(function (result) {
        console.log('register result', result);
        token = result.token;
        var joinGroup, joinParams;
        if (!groupId) {
            groupId = +new Date() + '';
            joinGroup = Group.create;
            joinParams = {
                id: groupId,
                name: groupId,
                members: [{
                    id: userId
                }]
            };
            console.log('createParams', joinParams);
        } else {
            joinGroup = Group.join;
            joinParams = {
                id: groupId,
                member: {
                    id: userId
                }
            };
            console.log('joinParams', joinParams);
        }
        return joinGroup(joinParams);
    }).then(function (result) {
        return Group.get({
            id: groupId
        });
    }).then(function (result) {
        result.userId = userId;
        result.groupId = groupId;
        result.token = token;
        console.log('result', result);
        return res.send(result);
    }).catch(function (e) {
        console.error('error', e);
    });
});

app.post('/getMembers', function (req, res) {
    var params = req.params,
        body = req.body;
    Group.get({
        id: body.groupId || groupId
    }).then(function (result) {
        return res.send(result);
    });
});

app.listen(port, function () {
    console.log(
        `CallLib Demo Server 启动成功
AppKey: ${setting.appkey} (Web 需一致)
Server 地址: http://localhost:${port}
请将此 Server 地址填入 CallLib Demo Web 的 setting.js 文件
  `);
});