/*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2006-2007 Igor Ulyanov <iulyanov@gmail.com>

 * Copyright (c) 2004-2012 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA

 */

#include "tcpBase.h"

#include <QMessageBox>

#include <QList>

#include <QApplication>

#include <QImage>

#include <QThread>

#include "hwconsts.h"

#ifdef HWLIBRARY

extern "C" void Game(char**arguments);

extern "C" void GenLandPreview(int port);

EngineInstance::EngineInstance(QObject *parent)

    : QObject(parent)

{

    port = 0;

}

EngineInstance::~EngineInstance()

{

}

void EngineInstance::start()

{

#if 0

    char *args[11];

    args[0] = "65000";  //ipcPort

    args[1] = "1024";   //cScreenWidth

    args[2] = "768";    //cScreenHeight

    args[3] = "0";      //cReducedQuality

    args[4] = "en.txt"; //cLocaleFName

    args[5] = "koda";   //UserNick

    args[6] = "1";      //SetSound

    args[7] = "1";      //SetMusic

    args[8] = "0";      //cAltDamage

    args[9]= datadir->absolutePath().toAscii().data(); //cPathPrefix

    args[10]= NULL;     //recordFileName

    Game(args);

#endif

    GenLandPreview(port);

}

#endif

QList<TCPBase*> srvsList;

TCPBase::~TCPBase()

{

    // make sure this object is not in the server list anymore

    srvsList.removeOne(this);

}

TCPBase::TCPBase(QObject *parent) :

    QObject(parent),

    m_hasStarted(false)

{

}

void TCPBase::RealStart()

{

    onEngineStart();

#ifdef HWLIBRARY

    QThread *thread = new QThread;

    EngineInstance *instance = new EngineInstance;

    instance->port = IPCServer->serverPort();

    instance->moveToThread(thread);

    connect(thread, SIGNAL(started()), instance, SLOT(start(void)));

    connect(instance, SIGNAL(finished()), thread, SLOT(quit()));

    connect(instance, SIGNAL(finished()), instance, SLOT(deleteLater()));

    connect(instance, SIGNAL(finished()), thread, SLOT(deleteLater()));

    thread->start();

#else

    QProcess * process;

    process = new QProcess();

    QStringList arguments = getArguments();

    // redirect everything written on stdout/stderr

    if(isDevBuild)

        process->setProcessChannelMode(QProcess::ForwardedChannels);

    process->start(bindir->absolutePath() + "/hwengine", arguments);

#endif

    m_hasStarted = true;

}

void TCPBase::clientDisconnected()

{

    emit nextPlease();

    deleteLater();

}

void TCPBase::iStart()

{

    disconnect(srvsList.first(), SIGNAL(nextPlease()), this, SLOT(iStart()));

    RealStart();

}

void TCPBase::start(bool couldCancelPreviousRequest)

{

    if(srvsList.isEmpty())

    {

        srvsList.push_back(this);

        RealStart();

    }

    else

    {

        TCPBase * last = srvsList.last();

        if(couldCancelPreviousRequest

            && last->couldBeRemoved()

            && (last->parent() == parent()))

        {

            srvsList.removeLast();

            last->deleteLater();

            start(couldCancelPreviousRequest);

        } else

        {

            connect(srvsList.last(), SIGNAL(nextPlease()), this, SLOT(iStart()));

            srvsList.push_back(this);

        }

    }

}

bool TCPBase::couldBeRemoved()

{

    return false;

}