/*
 * MIT License
 *
 * Copyright (c) 2016-2019 xiongziliang <771730766@qq.com>
 *
 * This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include <signal.h>
#include <iostream>
#include "Util/logger.h"
#include "Util/NoticeCenter.h"
#include "Poller/EventPoller.h"
#include "Player/PlayerProxy.h"
#include "Rtmp/RtmpPusher.h"
#include "Common/config.h"
#include "Pusher/MediaPusher.h"

using namespace std;
using namespace toolkit;
using namespace mediakit;

//推流器，保持强引用
MediaPusher::Ptr pusher;
Timer::Ptr g_timer;

//声明函数
void rePushDelay(const EventPoller::Ptr &poller,const string &schema,const string &vhost,const string &app, const string &stream, const string &url);

//创建推流器并开始推流
void createPusher(const EventPoller::Ptr &poller, const string &schema,const string &vhost,const string &app, const string &stream, const string &url) {
    //创建推流器并绑定一个MediaSource
    pusher.reset(new MediaPusher(schema,vhost, app, stream,poller));
    //可以指定rtsp推流方式，支持tcp和udp方式，默认tcp
//    (*pusher)[Client::kRtpType] = Rtsp::RTP_UDP;
    //设置推流中断处理逻辑
    pusher->setOnShutdown([poller,schema,vhost, app, stream, url](const SockException &ex) {
        WarnL << "Server connection is closed:" << ex.getErrCode() << " " << ex.what();
        //重试
        rePushDelay(poller,schema,vhost,app, stream, url);
    });
    //设置发布结果处理逻辑
    pusher->setOnPublished([poller,schema,vhost, app, stream, url](const SockException &ex) {
        if (ex) {
            WarnL << "Publish fail:" << ex.getErrCode() << " " << ex.what();
            //如果发布失败，就重试
            rePushDelay(poller,schema,vhost,app, stream, url);
        } else {
            InfoL << "Publish success,Please play with player:" << url;
        }
    });
    pusher->publish(url);
}

//推流失败或断开延迟2秒后重试推流
void rePushDelay(const EventPoller::Ptr &poller,const string &schema,const string &vhost,const string &app, const string &stream, const string &url) {
    g_timer = std::make_shared<Timer>(2,[poller,schema,vhost,app, stream, url]() {
        InfoL << "Re-Publishing...";
        //重新推流
        createPusher(poller,schema,vhost,app, stream, url);
        //此任务不重复
        return false;
    }, poller);
}

//这里才是真正执行main函数，你可以把函数名(domain)改成main，然后就可以输入自定义url了
int domain(const string &playUrl, const string &pushUrl) {
    //设置日志
    Logger::Instance().add(std::make_shared<ConsoleChannel>());
    Logger::Instance().setWriter(std::make_shared<AsyncLogWriter>());
    auto poller = EventPollerPool::Instance().getPoller();

    //拉一个流，生成一个RtmpMediaSource，源的名称是"app/stream"
    //你也可以以其他方式生成RtmpMediaSource，比如说MP4文件（请查看test_rtmpPusherMp4.cpp代码）
    PlayerProxy::Ptr player(new PlayerProxy(DEFAULT_VHOST, "app", "stream",false,false,-1 , poller));
    //可以指定rtsp拉流方式，支持tcp和udp方式，默认tcp
//    (*player)[Client::kRtpType] = Rtsp::RTP_UDP;
    player->play(playUrl.data());

    //监听RtmpMediaSource注册事件,在PlayerProxy播放成功后触发
    NoticeCenter::Instance().addListener(nullptr, Broadcast::kBroadcastMediaChanged,
                                         [pushUrl,poller](BroadcastMediaChangedArgs) {
                                             //媒体源"app/stream"已经注册，这时方可新建一个RtmpPusher对象并绑定该媒体源
                                             if(bRegist && pushUrl.find(schema) == 0){
                                                 createPusher(poller,schema,vhost,app, stream, pushUrl);
                                             }
                                         });

    //设置退出信号处理函数
    static semaphore sem;
    signal(SIGINT, [](int) { sem.post(); });// 设置退出信号
    sem.wait();
    pusher.reset();
    g_timer.reset();
    return 0;
}


int main(int argc, char *argv[]) {
    return domain("rtmp://live.hkstv.hk.lxdns.com/live/hks1", "rtsp://127.0.0.1/live/rtsp_push");
}