#include "Hd_SocketModule_TCP.h"
#include "qcoreapplication.h"
//读到的信息列表
QQueue< QByteArray> readDataList;
QByteArray readResult = "";
QMutex* r_Mutex = new QMutex();
QMutex* write_Mutex = new QMutex();
QMutex* read_Mutex = new QMutex();
QMutex* recive_Mutex = new QMutex();

bool connectStatus = true;

Hd_SocketModule_TCP* create()
{
	qDebug() << "[INFO] " << "Hd_SocketModule_TCP create success!";
	return new Hd_SocketModule_TCP;
}

void destory(Hd_SocketModule_TCP* ptr)
{
	if (ptr)
	{
		delete  ptr;
		ptr = nullptr;
	}
	qDebug() << "[INFO] " << " Hd_SocketModule_TCP destory success!";
}

Hd_SocketModule_TCP::Hd_SocketModule_TCP()
{
	read_Mutex = new QMutex;
	recive_Mutex = new QMutex(); 
	m_Thread = new MyThread(this);
	m_Thread->setMutexLock(read_Mutex);
}

Hd_SocketModule_TCP::~Hd_SocketModule_TCP()
{
	m_Thread->setRunStop();
	m_Thread->wait();
	m_Thread->quit();
	if (m_Thread)
	{
		qDebug() << "[INFO] " << "~m_Thread()";
		delete m_Thread;
		m_Thread = nullptr;
	}
	
	qDebug() << "[INFO] " << "~Hd_SocketModule_TCP success!";
}
//从类中读数据到实例对象
bool Hd_SocketModule_TCP::readData(std::vector<cv::Mat>& vec_mat, QByteArray& data)
{
	Q_UNUSED(vec_mat);

	/*if (ReadPack.isEmpty())
		return true;*/

	// 发送数据包
	/*QMutexLocker locker(read_Mutex);
	QByteArray m_byte = ReadPack.dequeue();*/
	QByteArray m_byte = "";
	
	int times = 0;
	while (m_byte == "")
	{
		//读超时，退出
		times++;
		if (times > 100)
		{
			//qDebug() << "[TCP] " << "fansTcp readCmd fail";
			return false;
		}
		read_Mutex->lock();
		if(readDataList.size()>0)
			m_byte = readDataList.dequeue();
		read_Mutex->unlock();
		Sleep(5);
	}

	/*m_byte.remove(0, 30);*/
	data = m_byte;
	//qDebug() << __FUNCTION__ << "line:" << __LINE__ << "result:" << data.size();
	return true;
}
//实例对象把数据写入到类
bool Hd_SocketModule_TCP::writeData(std::vector<cv::Mat>& vec_mat, QByteArray& data)
{
	Q_UNUSED(vec_mat);
	recive_Mutex->lock();
	if (data.isEmpty())
	{
		qCritical() << "[Hd_SocketModule_TCP] " << " str is null";
		recive_Mutex->unlock();
		return false;
	}

	QList<QByteArray> m_list = data.split('_');

	QString commond = m_list.at(0);
	if (commond == "init")
	{
		m_host = m_list.at(1);
		m_pot = m_list.at(2);
		
		if (!m_Thread->setIpAndPort(m_host, m_pot))
		{
			qDebug() << "[Hd_SocketModule_TCP] " << "m_IP:" << m_host << " m_host:" << m_pot << " connectToHost failed!";
			recive_Mutex->unlock();
			return false;
		}
	}
	else
	{
		m_Thread->WritePLCPack.enqueue(data);
	}
	recive_Mutex->unlock();
	return true;
}

//初始化
bool Hd_SocketModule_TCP::initParas(QByteArray& data)
{
	qDebug() << "[Hd_SocketModule_TCP] " << "DATA: " << data;
	if (data.isEmpty())
	{
		qCritical() << "[Hd_SocketModule_TCP] " << " str is null";
		recive_Mutex->unlock();
		return false;
	}

	QList<QByteArray> m_list = data.split('_');

	QString commond = m_list.at(0);
	if (commond == "init")
	{
		m_host = m_list.at(1);
		m_pot = m_list.at(2);

		if (!m_Thread->setIpAndPort(m_host, m_pot))
		{
			qDebug() << "[Hd_SocketModule_TCP] " << "m_IP:" << m_host << " m_host:" << m_pot << " connectToHost failed!";
			return false;
		}
	}
	
	m_Thread->start();
	Sleep(500);

	if (!m_Thread->getInitSuccessFlag())
	{
		qCritical() << "[Hd_SocketModule_TCP] " << "TCP init failed!";
		return false;
	}
	// 开启线程循环
	m_Thread->start();
	return true;
}

bool Hd_SocketModule_TCP::run()
{
	//qDebug() << "[info] " << __FUNCTION__ << " line:" << __LINE__ << " success!";
	if (connectStatus == false)
		connectStatus = true;
	return connectStatus;
}


//检查异常标志
bool Hd_SocketModule_TCP::checkStatus()
{
	read_Mutex->lock();
	bool connectStatus1 = connectStatus;
	read_Mutex->unlock();
	return connectStatus1;
}

MyThread::~MyThread()
{
	if (tcpsocket) {
		tcpsocket->deleteLater();
	}   // tcp通信的socket
	if (m_mutex_lock) {
		delete m_mutex_lock;
		m_mutex_lock = nullptr;
	}

}

void MyThread::closeSocket()
{
	if (tcpsocket)
	{
		tcpsocket->abort();
		tcpsocket->disconnect();
		tcpsocket->close();

	}
	qDebug() << "[Hd_SocketModule_TCP] " << "  Hd_SocketModule_FinsTcp close tcpsocket success!";
}
//断线重连函数
bool MyThread::disReconnects()
{
	bool reResult = false;
	if (!(tcpsocket->state() == QAbstractSocket::ConnectedState))
	{
		read_Mutex->lock();
		connectStatus = false;
		read_Mutex->unlock();
		qCritical() << "[Hd_SocketModule_TCP] " << QString("tcp disconected");
		//QMessageBox::information(MyThreadWidget,"连接断开", "Hd_SocketModule_TCP连接断开，开始自动重连");
		while(1)
		{
			if (init_flag == 2)break;
			tcpsocket->bind(QHostAddress::Any);
			tcpsocket->connectToHost(m_IP, m_Port.toInt());
			if (tcpsocket->waitForConnected(5))
			{
				qWarning() << "[Hd_SocketModule_TCP] " << "  You have connected to the server again";
				//QMessageBox::information(MyThreadWidget, "自动重连", "Hd_SocketModule_TCP自动重连成功");
				reResult = true;
				read_Mutex->lock();
				connectStatus = true;
				read_Mutex->unlock();
				break;
			}
			Sleep(200);
			qApp->processEvents();
		}

	}
	else
		reResult = true;
	return reResult;
}

//线程 run 中初始化 socket
void MyThread::run()
{
	qDebug() << "[TCP] " << " run start";

	if (init_flag == 0)
	{
		tcpsocket = new QTcpSocket(this);
		tcpsocket->bind(QHostAddress::Any);
		tcpsocket->abort();

		if (tcpsocket->state() == QAbstractSocket::ConnectedState)
		{
			qCritical() << "[Hd_SocketModule_TCP] " << QString("[%1:%2] server has been linked").arg(m_IP).arg(m_Port);
			return;
		}

		tcpsocket->connectToHost(m_IP, m_Port.toInt());
		if (tcpsocket->waitForConnected(5))
		{
			qWarning() << "[Hd_SocketModule_TCP] " << "  You have connected to the server ";
			connectStatus = true;
		}
		else
		{
			qWarning() << "[Hd_SocketModule_TCP] " << " Hd_SocketModule_TCP :: Server not connected";
			init_success = false;
			read_Mutex->lock();
			connectStatus = false;
			read_Mutex->unlock();
			return;
		}
		init_flag = 1;
		qDebug() << "[Hd_SocketModule_TCP] " << "  run end ----------";
	}
	else if (init_flag == 1)
	{
		//开启wile循环来读写
		while (true)
		{
			if (init_flag == 2) {
				break;
			}
			writeSocketData();
			qApp->processEvents();
			Sleep(20);
			readSocketData();
			qApp->processEvents();
			Sleep(20);
		}
	}
	if (init_flag == 2) {

		QThread::msleep(10);
		closeSocket();
	}


}

bool MyThread::setIpAndPort(QString ip, QString port)
{
	m_IP = ip;
	m_Port = port;
	return true;
}

//读取数据
void MyThread::readSocketData()
{
	qApp->processEvents();
	QByteArray readData = tcpsocket->readAll();

	if (readData.isEmpty())
		return;
	read_Mutex->lock();
	readDataList.append(readData);
	read_Mutex->unlock();
	readData.clear();
	Sleep(5);
}
//往PLC发报文
void MyThread::writeSocketData()
{
	if (WritePLCPack.isEmpty())
		return;
	//写PLC
	if (!WritePLCPack.isEmpty())
	{

		for (int i = 0; i < WritePLCPack.size(); i++)
		{
			recive_Mutex->lock();
			if (!(WritePLCPack.size() > 0))
			{
				recive_Mutex->unlock();
				break;
			}
			QByteArray byte = WritePLCPack.dequeue();  // 取出包	
			recive_Mutex->unlock();
			if (!disReconnects())
			{
				qDebug() << "[Hd_SocketModule_TCP] " << QString("The server cannot be connected. Check the network port");
				
				//init_flag = 2;
				return;
			}
			tcpsocket->write(byte);
			tcpsocket->waitForBytesWritten(3000);
			tcpsocket->flush();
			qApp->processEvents();
		}

	}

	
	return;
}