#include <QUdpSocket>

#include <QListWidget>

#include "netudpwidget.h"

#include <QDebug>

HWNetUdpWidget::HWNetUdpWidget(QWidget* parent) :

  QWidget(parent), mainLayout(this)

{

  serversList = new QListWidget(this);

  mainLayout.setMargin(0);

  mainLayout.addWidget(serversList);

  pUdpSocket = new QUdpSocket(this);

  pUdpSocket->bind();

  connect(pUdpSocket, SIGNAL(readyRead()), this, SLOT(onClientRead()));

  updateList();

}

void HWNetUdpWidget::updateList()

{

  serversList->clear();

  pUdpSocket->writeDatagram("hedgewars client", QHostAddress::Broadcast, 46631);

}

void HWNetUdpWidget::onClientRead()

{

  while (pUdpSocket->hasPendingDatagrams()) {

    QByteArray datagram;

    datagram.resize(pUdpSocket->pendingDatagramSize());

    QHostAddress clientAddr;

    quint16 clientPort;

    pUdpSocket->readDatagram(datagram.data(), datagram.size(), &clientAddr, &clientPort);

    if(QString("%1").arg(datagram.data())==QString("hedgewars server")) {

      qDebug() << "detected server at " << clientAddr << ":" << clientPort;

      serversList->addItem(clientAddr.toString());

    }

  }

}