/*
 * chessplugin.cpp - Psi plugin to play chess
 * Copyright (C) 2006  Kevin Smith
 *
 * 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; either version 2
 * of the License, or (at your option) any later version.
 *
 * You can also redistribute and/or modify this program under the
 * terms of the Psi License, specified in the accompanied COPYING
 * file, as published by the Psi Project; either dated January 1st,
 * 2005, or (at your option) any later version.
 *
 * 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 library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 */

#include <QtCore>
#include <QDebug>

#include "psiplugin.h"
#include "gameboard.h"

extern QColor    cw, cb;

class ChessPlugin : public PsiPlugin
{
    Q_OBJECT
    Q_INTERFACES(PsiPlugin)

public:
    ChessPlugin();
    virtual QString name() const;
    virtual bool processEvent( const PsiAccount* account, QDomNode &event );
    virtual void message( const PsiAccount* account, const QString& message, const QString& fromJid, const QString& fromDisplay);
    virtual QString shortName() const;
    virtual QString version() const;

private slots:
    void sendData(const QString& data);
    void receiveData(const QString& data);


private:
    void startGame(const QString& jid, bool meWhite, const PsiAccount* account);
    void stopGame();



    GameBoard* game_;
    QString playingWith_;
    PsiAccount* account_;
};

Q_EXPORT_PLUGIN(ChessPlugin);

ChessPlugin::ChessPlugin() : PsiPlugin()
{
    game_ = NULL;
}

QString ChessPlugin::name() const
{
    return "Chess Plugin";
}

QString ChessPlugin::shortName() const
{
    return "chess";
}

QString ChessPlugin::version() const
{
    return "0.0.1";
}

bool ChessPlugin::processEvent( const PsiAccount* account, QDomNode &event )
{
    return true;
}


void ChessPlugin::message( const PsiAccount* account, const QString& message, const QString& fromJid, const QString& fromDisplay)
{
    QString reply;
    qDebug("chess message");
    if (!message.startsWith("chess"))
        return;
    qDebug("message for us in chess");
    if (game_ && fromJid != playingWith_)
    {
        reply=QString("<message to=\"%1\" type=\"chat\"><body>already playing chess with %2, sorry</body></message>").arg(fromJid).arg(playingWith_);
        emit sendStanza(account, reply);
        return;
    }
    QString command = QString(message);
    command.remove(0,6);
    qDebug() << (qPrintable(QString("chess command string %1").arg(command)));
    if (command == QString("start"))
    {
        if (game_)
            return;
        qWarning(qPrintable(QString("Received message '%1', launching chess with %2").arg(message).arg(fromDisplay)));
        QString reply;
        reply=QString("<message to=\"%1\" type=\"chat\"><body>chess starting</body></message>").arg(fromJid);
        emit sendStanza(account, reply);
        startGame(fromJid, false, account);
    }
    else if (command == QString("starting"))
    {
        if (game_)
            return;
        qWarning(qPrintable(QString("Received message '%1', launching chess with %2").arg(message).arg(fromDisplay)));
        QString reply;
        reply=QString("<message to=\"%1\" type=\"chat\"><body>starting chess, I go first :)</body></message>").arg(fromJid);
        emit sendStanza(account, reply);
        startGame(fromJid, true, account);
    }
    else if (!game_)
    {
        return;
    }
    else if (command.startsWith("command"))
    {
        command.remove(0,8);

        qDebug() << (qPrintable(QString("chess command %1").arg(command)));
        receiveData(command);
    }
}

void ChessPlugin::startGame(const QString& jid, bool meFirst, const PsiAccount* account)
{
/*    game = new TicTacToe( meFirst, size );
    game->setCaption(QString("Noughts and Crosses with %1").arg(jid));
    playingWith=jid;
    game->show();
    account_=(PsiAccount*)account;
    connect(game, SIGNAL(closing()), this, SLOT(stopGame()));
    connect(game, SIGNAL(myMove(int)), this, SLOT(myTurn(int)));
    connect(game, SIGNAL(gameOverSignal(TicTacGameBoard::State)), this, SLOT(gameOver(TicTacGameBoard::State)));
*/
    playingWith_=jid;
    account_=(PsiAccount*)account;
    cw = QColor(0x8F, 0xDF, 0xF0);
    cb = QColor(0x70, 0x9F, 0xDF);
    if (meFirst)
    {
        GameBoard::GameType type=GameBoard::WHITE;
        game_ = new GameBoard(type, jid, NULL);
    } else {
        game_ = new GameBoard(1);
    }

    //showStatus(game_->status());
    //QObject::connect(brd, SIGNAL(showStatus(const QString&)), this, SLOT(showStatus(const QString&)));
    connect(game_, SIGNAL(sendData(const QString&)), this, SLOT(sendData(const QString &)));
    game_->show();
 }

void ChessPlugin::stopGame()
{
    delete game_;
    game_=NULL;
}

/*void ChessPlugin::gameOver(TicTacGameBoard::State state)
{
    QString reply;
    QString winner;
    switch (state)
    {
        case TicTacGameBoard::HumanWon:
            winner="I";
            break;
        case TicTacGameBoard::ComputerWon:
            winner="You";
            break;
        case TicTacGameBoard::NobodyWon:
            winner="It was a draw, no-one";
            break;
        default:
            winner="ERROR!!!";
    }
    reply=QString("<message to=\"%1\" type=\"chat\"><body>%2 won. Good game.</body></message>").arg(playingWith).arg(winner);
    emit sendStanza(account_, reply);
}*/

void ChessPlugin::sendData(const QString& data)
{
    qDebug() << (qPrintable(QString("sendingData turn: %1").arg(data)));
    if (!game_)
        return;
    QString reply;
    QString stanzaId="aaaa";
    reply=QString("<message to=\"%1\" type=\"chat\" id=\"%2\"><body>chess command %3</body></message>").arg(playingWith_).arg(stanzaId).arg(data);
    qDebug() << (qPrintable(QString("sendingData stanza: %1").arg(reply)));
    emit sendStanza(account_, reply);
}

void ChessPlugin::receiveData(const QString& data)
{
    qDebug() << (qPrintable(QString("received data: %1").arg(data)));
    if (!game_)
        return;
    //game->theirMove(space);
    game_->receiveData(data);
}


#include "chessplugin.moc"
