var express = require('express');
var router = express.Router();
var user = require("../models/user");
var msg_system = require("../models/msg_system");
var push = require("../models/push_notify");
var http = require('http');
var qs = require('querystring');
var getui = require('getui');

/**
 * 推送消息:system/sendmsg.im?to_uid=x&type=xx&title=xxx&content=xxxx&data=xxxxx
 * 参数：
 * to_uid：消息接收者ID
 * type：消息类型
 * title：消息标题
 * content：推送消息提示内容
 * data：推送消息内容
 */
router.get('/sendmsg.im', function (req, res, next) {
    if (req.query.to_uid == null
        || req.query.title == null
        || req.query.type == null
        || req.query.content == null
        || req.query.data == null) {
        res.send({errno: -1, errmsg: 'parameter error'});
        return;
    }

    user.getUserbyID(req.query.to_uid, function (err, result) {
        if (err) {
            res.send({errno: 1, errmsg: 'get user by id from db failed'});
            return;
        }

        var bMustPush = 0;
        var data;
        if (result.length > 0) {
            data = result[0];
            if (data.is_online) {
                bMustPush = 1;
            }
        }

        var push_data = JSON.stringify({
            type:req.query.type,
            data:req.query.data
        });

        // 保存该条推送信息
        msg_system.saveSystemMsg(req.query.to_uid,
            req.query.type,
            req.query.title,
            req.query.content,
            req.query.data,
            function (err, result) {
                if (err) {
                    // 保存失败
                    res.send({errno: 2, errmsg: 'save msg to db failed'});
                } else {
                    // 保存通知到数据库中
                    push.savePushNotify(req.query.to_uid,
                        req.query.type,
                        req.query.title,
                        req.query.content,
                        push_data,
                        bMustPush,
                        function (err, result) {
                            if (err) {
                                // 保存失败
                                res.send({errno: 3, errmsg: 'save msg to db failed'});
                            } else {
                                res.send({errno: 0, errmsg: 'save msg to db success'});
                                if (bMustPush == true) {
                                    if (data.platform == 0) {// iOS
                                        getui.pushAPN(req.query.to_uid,
                                            data.token,
                                            req.query.type,
                                            req.query.title,
                                            req.query.content,
                                            push_data,
                                            function (err, result) {
                                                if (err != null) {
                                                    console.log(err);
                                                } else {
                                                    console.log(result);
                                                }
                                            });
                                    } else {// Android
                                        getui.pushAndroid(data.client_id,
                                            req.query.type,
                                            req.query.title,
                                            req.query.content,
                                            push_data,
                                            data.status,
                                            function (err, result) {
                                                if (err != null) {
                                                    console.log(err);
                                                } else {
                                                    console.log(result);
                                                }
                                            });
                                    }
                                }
                            }
                        });
                }
            });
    });
});

module.exports = router;