/*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2007 Igor Ulyanov <iulyanov@gmail.com>

 * Copyright (c) 2004-2015 Andrey Korotaev <unC0Rr@gmail.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; version 2 of the License

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#include <QUdpSocket>

#include "netudpwidget.h"

#include "hwconsts.h"

HWNetUdpModel::HWNetUdpModel(QObject* parent) :

    HWNetServersModel(parent)

{

    pUdpSocket = new QUdpSocket(this);

    pUdpSocket->bind();

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

}

void HWNetUdpModel::updateList()

{

  beginResetModel();

  games.clear();

  endResetModel();

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

}

void HWNetUdpModel::onClientRead()

{

    beginResetModel();

    while (pUdpSocket->hasPendingDatagrams())

    {

        QByteArray datagram;

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

        QHostAddress clientAddr;

        quint16 clientPort;

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

        QString packet = QString::fromUtf8(datagram.data());

        if(packet.startsWith("hedgewars server"))

        {

            QStringList sl;

            sl << packet.remove(0, 17) << clientAddr.toString() << QString::number(NETGAME_DEFAULT_PORT);

            games.append(sl);

        }

    }

    endResetModel();

}

QVariant HWNetUdpModel::data(const QModelIndex &index,

                             int role) const

{

    if (!index.isValid() || index.row() < 0

            || index.row() >= games.size()

            || role != Qt::DisplayRole)

        return QVariant();

    return games[index.row()][index.column()];

}