#include "LANDeviceMonitor.h"
#include <QString>
#include "GeneralMessagesLogDispatcher.h"

CLANDeviceMonitor::CLANDeviceMonitor(QString IPAddress, unsigned int CANBit, bool Active, QString Description)
{
    mDeviceIPAddress = IPAddress;
    mCANStatusBit = CANBit;
    mIsDetectionActive = Active;
    mDeviceDescription = Description;
    mIsDeviceOnline = false;
    mDevMonitorTimer = 0;
    mPingProcess = 0;
    mIsPingInProgress = false;

    if(mIsDetectionActive == true)
    {
        mDevMonitorTimer = new QTimer();
        mDevMonitorTimer->setSingleShot(true);
        connect(mDevMonitorTimer,&QTimer::timeout,this,&CLANDeviceMonitor::MonitorTimeExpired);

        mPingProcess = new QProcess(this);
        connect(mPingProcess,SIGNAL(finished(int,QProcess::ExitStatus)),this,SLOT(PingProcessFinished(int,QProcess::ExitStatus)));
        PingDevice();
    }
    else
    {

    }


}

int CLANDeviceMonitor::PingDevice()
{
    int PingTimeout = LAN_DEVICE_MONITOR_PING_TIMEOUT - 500;
    QString Cmd = QString("ping /n 1 /w %1 %2").arg(PingTimeout).arg(mDeviceIPAddress);

    mPingProcess->start(Cmd);
   //mDevMonitorTimer->start(4000);

    return RET_OK;
}

CLANDeviceMonitor::~CLANDeviceMonitor()
{
    if(mPingProcess != 0)
    {
        mPingProcess->terminate();
        delete mPingProcess;
    }
    if(mDevMonitorTimer != 0)
    {
        mDevMonitorTimer->stop();
        mDevMonitorTimer = 0;
        delete mDevMonitorTimer;
    }

}


void CLANDeviceMonitor::MonitorTimeExpired()
{
    PingDevice();
}

bool CLANDeviceMonitor::IsDeviceOnline()
{
    return mIsDeviceOnline;
}

void CLANDeviceMonitor::PingProcessFinished(int exitCode, QProcess::ExitStatus exitStatus)
{
    QString Result = mPingProcess->readAllStandardOutput();
    if(Result.toLower().contains("ttl="))
    {
        //Online
        if(mIsDeviceOnline == false)
        {

            QString Msg = QString("LAN Device %1 is now ONLINE on network").arg(mDeviceIPAddress);
            CGeneralMessagesLogDispatcher::instance()->AddLogMessage(Msg,"CLANDeviceMonitor");
        }
        mIsDeviceOnline = true;
    }
    else
    {
        //Offline
        if(mIsDeviceOnline == true)
        {

            QString Msg = QString("LAN Device %1 is now OFFLINE on network").arg(mDeviceIPAddress);
            CGeneralMessagesLogDispatcher::instance()->AddLogMessage(Msg,"CLANDeviceMonitor");
        }
        mIsDeviceOnline = false;
    }

    GetDeviceCANStatusMask();
    if(mDevMonitorTimer != 0)
        mDevMonitorTimer->start(LAN_DEVICE_MONITOR_PRESENCE_CHECK_TIMEOUT);
}




quint64 CLANDeviceMonitor::GetDeviceCANStatusMask()
{
    quint64 Mask = 0;
    if(mIsDetectionActive == true && mIsDeviceOnline == false)
    {
        Mask = 1;
        Mask <<= mCANStatusBit;
    }

    return Mask;
}