/*
 * MIT License
 *
 * Copyright (c) 2016 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 "Device/PlayerProxy.h"
#include "Rtmp/RtmpPusher.h"
#include "Common/config.h"

using namespace std;
using namespace ZL::Util;
using namespace ZL::Rtmp;
using namespace ZL::Thread;
using namespace ZL::Network;
using namespace ZL::DEV;

//推流器，保持强引用
RtmpPusher::Ptr pusher;
//声明函数
void rePushDelay(const string &app,const string &stream,const string &url);

//创建推流器并开始推流
void createPusher(const string &app,const string &stream,const string &url){
    //创建推流器并绑定一个RtmpMediaSource
    pusher.reset(new RtmpPusher(app.data(), stream.data()));
    //设置推流中断处理逻辑
    pusher->setOnShutdown([app,stream, url](const SockException &ex) {
        WarnL << "Server connection is closed:" << ex.getErrCode() << " " << ex.what();
        //重试
        rePushDelay(app,stream, url);
    });
    //设置发布结果处理逻辑
    pusher->setOnPublished([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(app,stream, url);
        }else {
            InfoL << "Publish success,Please play with player:" << url;
        }
    });
    pusher->publish(url.data());
}

//推流失败或断开延迟2秒后重试推流
void rePushDelay(const string &app,const string &stream,const string &url){
	//上次延时两秒的任务可能还没执行，所以我们要先取消上次任务
	AsyncTaskThread::Instance().CancelTask(0);
	//2秒后执行重新推流的任务
	AsyncTaskThread::Instance().DoTaskDelay(0, 2000, [app, stream,url]() {
		InfoL << "Re-Publishing...";
		//重新推流
        createPusher(app,stream,url);
		//此任务不重复
        return false;
	});
}

//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(int argc, const char *argv[]) {
	//设置退出信号处理函数
	signal(SIGINT, [](int){EventPoller::Instance().shutdown();});
	//设置日志
	Logger::Instance().add(std::make_shared<ConsoleChannel>("stdout", LTrace));
	Logger::Instance().setWriter(std::make_shared<AsyncLogWriter>());

    string playUrl = argv[1];
    string pushUrl = argv[2];

    //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("app", "stream"));
    player->play(playUrl.data());

	//监听RtmpMediaSource注册事件,在PlayerProxy播放成功后触发
	NoticeCenter::Instance().addListener(nullptr, Config::Broadcast::kBroadcastRtmpSrcRegisted, [pushUrl](BroadcastRtmpSrcRegistedArgs) {
		//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
        createPusher(app,stream,pushUrl);
	});

	//事件轮询
	EventPoller::Instance().runLoop();
	//删除事件监听
	NoticeCenter::Instance().delListener(nullptr);
	//销毁代理播放器、推流器
	player.reset();
	pusher.reset();

	//清理程序
	EventPoller::Destory();
	Logger::Destory();
	return 0;
}



int main(int argc,char *argv[]){
	const char *argList[] = {argv[0],"rtmp://live.hkstv.hk.lxdns.com/live/hks",argv[1]};
	return domain(3,argList);
}






