#include "dlink.h"
#include <string.h>
#include "QDateTime"


DLink::DLink(QObject *parent) : QObject(parent)
{
     qDebug() << "Dlink " <<  QThread::currentThreadId();


     //采用插件导入的方式（plugin）

     //mavlink协议节点
     mavlinknode = new MavLinkNode();//不允许带参数,因为这是单独的线程

     //在当前线程运行
     connect(mavlinknode,SIGNAL(SendMessageTo(quint8,quint8*,quint16)),
           this,SLOT(SendMessageTo(quint8,quint8*,quint16)),Qt::BlockingQueuedConnection);//采用直连的方式，因为是多线程

     //在当前线程运行
     connect(mavlinknode,SIGNAL(showMessage(QString,int)),
             this,SIGNAL(showMessage(QString,int)),Qt::DirectConnection);

     //在当前线程运行
     connect(this,SIGNAL(recieveMessage(quint32,QByteArray)),
            mavlinknode,SLOT(setbuff(quint32,QByteArray)),Qt::DirectConnection);

     mavlinknode->start();
     //其他协议节点。。。
}
DLink::~DLink()
{
    stopPort();

    mavlinknode->stop();
    delete mavlinknode;
}


int DLink::SendMessageTo(quint8 ch, quint8 *msg, quint16 len)
{
    //让这个函数在其他线程运行
    /*
    QString num;
    for (int i = 0; i < len; ++i) {
        num.append(QString::number(msg[i],16).toUpper());
        num.append(" ");
    }
    qDebug() << num;
    */
    //Q_UNUSED(ch);

    //更加ch选择
    if (DLink::Clientsock)
    {
        foreach(Node node,clientSockets)
        {
            qint64 flag =  DLink::Clientsock->writeDatagram((const char *)msg,len,node.addr, node.port);
            if(flag  != -1)
            {
                qDebug() << "Client Send Msg";
            }
        }
    }

    if (DLink::serialPort)
    {
       qint64 flag =  DLink::serialPort->write((const char *)msg,len);
       if(flag  != -1)
       {
           qDebug() << "serialPort Send Msg";
       }
    }

    return 0;
}

//这个函数就在本线程内运行
bool DLink::setupPort(const QString port, qint32 baudrate, QSerialPort::Parity parity)
{

    qWarning() << port
             << baudrate
             << parity;

    bool isSuccess = false;

    if (serialPort)//多串口接入
    {
        serialPort->close();
        delete serialPort;
    }
    serialPort = new QSerialPort(this);

    serialPort->setPortName(port);

    if (serialPort->open(QIODevice::ReadWrite))
    {
        serialPort->setBaudRate(baudrate);
        serialPort->setParity(parity);
        serialPort->setDataBits(QSerialPort::Data8);
        serialPort->setStopBits(QSerialPort::OneStop);

        DLink::serialPort->write("serial connet ok",16);

        connect(serialPort, SIGNAL(readyRead()), this, SLOT(readPendingDatagramsSerialPort()));//本线程内调用
        isSuccess = true;

        emit showMessage(tr("Serial Port Open Success"));
        qWarning() << "Serial Port Open Success";
    }
    else
    {
        isSuccess = false;
        emit showMessage(tr("Serial Port Open Fail"));
        qWarning() << "Serial Port Open Fail";
        delete serialPort;
        serialPort = nullptr;
    }

   return isSuccess;
}

bool DLink::statesPort()
{
    if(serialPort)
    {
        return (serialPort != nullptr)?(true):(false);
    }
}

void DLink::stopPort()
{
    if(serialPort)
    {
        emit showMessage(tr("Serial Port close"));
        if(serialPort->isOpen())
        {
            serialPort->close();
        }
        delete serialPort;
        serialPort = nullptr;
    }
}

void DLink::connectSignal(QVariant m_state,
                          QVariant m_usrName,QVariant m_Type,
                          QVariant m_Param1,QVariant m_Param2,
                          QVariant m_Param3,QVariant m_Param4,
                          QVariant m_Param5)
{
    if(m_state.toBool() == true)
    {


        if(m_Type.toString() == "SerialPort")
        {
            QSerialPort::Parity parity;
            if(m_Param4.toString() == "NONE")
            {
                parity = QSerialPort::Parity::NoParity;
            }
            if(m_Param4.toString() == "ODD")
            {
                parity = QSerialPort::Parity::OddParity;
            }
            if(m_Param4.toString() == "EVEN")
            {
                parity = QSerialPort::Parity::EvenParity;
            }


            qWarning() << m_Type << m_Param1 << m_Param2.toString().toInt() << parity;

           if(setupPort(m_Param1.toString(),m_Param2.toString().toInt(),parity))
           {
               emit PortConnected(true,m_usrName,m_Type,m_Param1,m_Param2,m_Param3,m_Param4,m_Param5);
           }
           else
           {
               emit PortConnected(false,m_usrName,m_Type,m_Param1,m_Param2,m_Param3,m_Param4,m_Param5);
           }
        }
        else if(m_Type.toString() == "UDP")
        {
             //qDebug() << m_Type << m_Param1 << m_Param2 << m_Param4;
             if(setupClient(QHostAddress(m_Param1.toString()),m_Param2.toString().toInt(),QHostAddress(m_Param3.toString()),m_Param4.toString().toInt()))
             {
                 emit PortConnected(true,m_usrName,m_Type,m_Param1,m_Param2,m_Param3,m_Param4,m_Param5);
             }
             else
             {
                 emit PortConnected(false,m_usrName,m_Type,m_Param1,m_Param2,m_Param3,m_Param4,m_Param5);
             }
        }
    }
    else
    {
        qWarning() << "disconnect";
        if(m_Type.toString() == "SerialPort")
        {
            stopPort();
            emit PortConnected(false,m_usrName,m_Type,m_Param1,m_Param2,m_Param3,m_Param4,m_Param5);
        }
        else if(m_Type.toString() == "UDP")
        {
            emit PortConnected(false,m_usrName,m_Type,m_Param1,m_Param2,m_Param3,m_Param4,m_Param5);
        }
    }
}




bool DLink::setupClient(const QHostAddress &local_addr,int local_port,const QHostAddress &remote_addr,int remote_port)
{    
    if(Clientsock)
    {
        Clientsock->disconnect();
        delete Clientsock;
        Clientsock = nullptr;
    }

    bool isSuccess = false;
    Clientsock = new QUdpSocket(this);
    if (Clientsock->bind(QHostAddress::AnyIPv4, local_port, QUdpSocket::ShareAddress|QUdpSocket::ReuseAddressHint))
    {
        Clientsock->joinMulticastGroup(remote_addr);
        Clientsock->setSocketOption(QAbstractSocket::ReceiveBufferSizeSocketOption,1024*1024*8);
        Clientsock->setSocketOption(QAbstractSocket::MulticastTtlOption, 3);

        if(Clientsock->open(QIODevice::ReadWrite))
        //if(Clientsock->joinMulticastGroup(remote_addr))
        {
            connect(Clientsock, SIGNAL(readyRead()),
                    this, SLOT(readPendingDatagramsClient()));

            Node node;
            node.sock = Clientsock;
            node.addr = remote_addr;
            node.port = remote_port;

            clientSockets.append(node);
            qWarning() << "UdpSocket open:"
                     << remote_addr
                     << local_port
                     << remote_port;

            isSuccess = true;
            emit showMessage(tr("UdpSocket open"));
        }
        else
        {
            Clientsock->leaveMulticastGroup(remote_addr);
            Clientsock->close();
            isSuccess = false;
            qWarning() << "sock not open";
            delete Clientsock;
        }
    }
    else
    {
         isSuccess = false;
         Clientsock->leaveMulticastGroup(remote_addr);
         Clientsock->close();
        qWarning("sock is not binded.");
        delete Clientsock;
    }

    return isSuccess;

}

void DLink::readPendingDatagramsSerialPort(void)
{
    if(serialPort)
    {
        QByteArray datagram = serialPort->readAll();
        emit recieveMessage(SourceType::s_port,datagram);
    }
}

void DLink::readPendingDatagramsClient(void)
{
   //轮番查询
    if(Clientsock)
    {
        while (Clientsock->hasPendingDatagrams()) {
            QByteArray datagram;
            datagram.resize(Clientsock->pendingDatagramSize());
            Clientsock->readDatagram(datagram.data(), datagram.size());

            emit recieveMessage(SourceType::c_sock,datagram);
        }
    }
}