/**********************************************************************
** Copyright (C) 2000 Trolltech AS.  All rights reserved.
**
** This file is part of Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#include "canvascardwindow.h"
#include "freecellcardgame.h"
#include "chicanecardgame.h"
#include "harpcardgame.h"
#include "teeclubcardgame.h"

#include <opie2/oresource.h>

CanvasCardWindow::CanvasCardWindow(QWidget* parent, const char* name, WFlags f) :
    QMainWindow(parent, name, f), canvas(230, 260), snapOn(TRUE), cardBack(4), gameType(0),
    cardGame(NULL)
{
    setIcon( Opie::Core::OResource::loadPixmap( "cards" ) );
    setCaption(tr("Patience"));

    // Create Playing Area for Games
    if ( QPixmap::defaultDepth() < 12 ) {
//      canvas.setBackgroundColor(QColor(0x51, 0x74, 0x6B));
//  canvas.setBackgroundColor(QColor(0x20, 0xb0, 0x50));
  canvas.setBackgroundColor(QColor(0x08, 0x98, 0x2D));
    } else {
        QPixmap bg;
  bg.convertFromImage( Opie::Core::OResource::loadImage( "table_pattern" ), ThresholdDither );
        canvas.setBackgroundPixmap(bg);
    }

#if defined( QT_QWS_CASSIOPEIA )
    canvas.setAdvancePeriod(70);
#else
    canvas.setAdvancePeriod(30);
#endif


#ifdef _PATIENCE_USE_ACCELS_
    QMenuBar* menu = menuBar();

    QPopupMenu* file = new QPopupMenu;
    file->insertItem(tr("Patience"), this, SLOT(initPatience()), CTRL+Key_F);
    file->insertItem(tr("Freecell"), this, SLOT(initFreecell()), CTRL+Key_F);
    file->insertItem(tr("Chicane"), this, SLOT(initChicane()), CTRL+Key_F);
    file->insertItem(tr("Harp"), this, SLOT(initHarp()), CTRL+Key_F);
    file->insertItem(tr("Teeclub"), this, SLOT(initTeeclub()), CTRL+Key_F);
    menu->insertItem(tr("&Game"), file);

    menu->insertSeparator();

    settings = new QPopupMenu;
    settings->insertItem(tr("&Change card backs"), this, SLOT(changeCardBacks()), Key_F2);
    snap_id = settings->insertItem(tr("&Snap to position"), this, SLOT(snapToggle()), Key_F3);
    settings->setCheckable(TRUE);
    menu->insertItem(tr("&Settings"),settings);

    menu->insertSeparator();

    QPopupMenu* help = new QPopupMenu;
    help->insertItem(tr("&About"), this, SLOT(help()), Key_F1);
    help->setItemChecked(dbf_id, TRUE);
    menu->insertItem(tr("&Help"),help);
#else
    QMenuBar* menu = menuBar();

    QPopupMenu* file = new QPopupMenu;
    file->insertItem(tr("Patience"), this, SLOT(initPatience()));
    file->insertItem(tr("Freecell"), this, SLOT(initFreecell()));
    file->insertItem(tr("Chicane"), this, SLOT(initChicane()));
    file->insertItem(tr("Harp"), this, SLOT(initHarp()));
    file->insertItem(tr("Teeclub"), this, SLOT(initTeeclub()));
    menu->insertItem(tr("Play"), file);

    menu->insertSeparator();

    settings = new QPopupMenu;
    settings->setCheckable(TRUE);
    settings->insertItem(tr("Change card backs"), this, SLOT(changeCardBacks()));
    snap_id = settings->insertItem(tr("Snap to position"), this, SLOT(snapToggle()));
    QString m;

    drawId = settings->insertItem(tr("Turn one card"), this, SLOT(drawnToggle()));
    menu->insertItem(tr("Settings"),settings);
    settings->setCheckable(TRUE);

#endif

    menu->show();

    Config cfg( "Patience" );
    cfg.setGroup( "GlobalSettings" );
    snapOn = cfg.readBoolEntry( "SnapOn", TRUE);
    settings->setItemChecked(snap_id, snapOn);

    gameType = cfg.readNumEntry( "GameType", -1 );
    drawThree = cfg.readBoolEntry( "DrawThree", FALSE);
    if ( gameType == 0 ) {
  cardGame = new PatienceCardGame( &canvas, snapOn, this );
  cardGame->setNumberToDraw(drawThree ? 3 : 1);

  setCaption(tr("Patience"));
  setCentralWidget(cardGame);
  cardGame->readConfig( cfg );
  setCardBacks();
    } else if ( gameType == 1 ) {
  cardGame = new FreecellCardGame( &canvas, snapOn, this );
  setCaption(tr("Freecell"));
  setCentralWidget(cardGame);
  //cardGame->newGame(); // Until we know how to handle reading freecell config
  cardGame->readConfig( cfg );
  setCardBacks();
    } else if ( gameType == 2 ) {
  cardGame = new ChicaneCardGame( &canvas, snapOn, this );
  cardGame->setNumberToDraw(1);
  setCaption(tr("Chicane"));
  setCentralWidget(cardGame);
  cardGame->readConfig( cfg );
  setCardBacks();
    } else if ( gameType == 3 ) {
  cardGame = new HarpCardGame( &canvas, snapOn, this );
  cardGame->setNumberToDraw(1);
  setCaption(tr("Harp"));
  setCentralWidget(cardGame);
  cardGame->readConfig( cfg );
  setCardBacks();
    } else if ( gameType == 4 ) {
  cardGame = new TeeclubCardGame( &canvas, snapOn, this );
  cardGame->setNumberToDraw(1);
  setCaption(tr("Teeclub"));
  setCentralWidget(cardGame);
  cardGame->readConfig( cfg );
  setCardBacks();
    } else {
  // Probably there isn't a config file or it is broken
  // Start a new game
  initPatience();
    }

    updateDraw();
}


CanvasCardWindow::~CanvasCardWindow()
{
    if (cardGame) {
  Config cfg("Patience");
  cfg.setGroup( "GlobalSettings" );
  cfg.writeEntry( "GameType", gameType );
  cfg.writeEntry( "SnapOn", snapOn );
  cfg.writeEntry( "DrawThree", drawThree);
  cfg.write();
  cardGame->writeConfig( cfg );
  delete cardGame;
    }
}


void CanvasCardWindow::resizeEvent(QResizeEvent *)
{
    QSize s = centralWidget()->size();
    int fw = style().defaultFrameWidth();
    canvas.resize( s.width() - fw - 2, s.height() - fw - 2);
}


void CanvasCardWindow::initPatience()
{
    // Create New Game
    if ( cardGame )
  delete cardGame;
    cardGame = new PatienceCardGame( &canvas, snapOn, this );
    cardGame->setNumberToDraw(drawThree ? 3 : 1);
    gameType = 0;
    setCaption(tr("Patience"));
    setCentralWidget(cardGame);
    cardGame->newGame();
    setCardBacks();
    updateDraw();
}


void CanvasCardWindow::initFreecell()
{
    // Create New Game
    if ( cardGame ) {
  delete cardGame;
    }
    cardGame = new FreecellCardGame( &canvas, snapOn, this );
    gameType = 1;
    setCaption(tr("Freecell"));
    setCentralWidget(cardGame);
    cardGame->newGame();
    setCardBacks();
}


void CanvasCardWindow::initChicane()
{
    // Create New Game
    if ( cardGame ) {
  delete cardGame;
    }
    cardGame = new ChicaneCardGame( &canvas, snapOn, this );
    cardGame->setNumberToDraw(1);
    gameType = 2;
    setCaption(tr("Chicane"));
    setCentralWidget(cardGame);
    cardGame->newGame();
    setCardBacks();
}

void CanvasCardWindow::initHarp()
{
    // Create New Game
    if ( cardGame ) {
  delete cardGame;
    }
    cardGame = new HarpCardGame( &canvas, snapOn, this );
    cardGame->setNumberToDraw(1);
    gameType = 3;
    setCaption(tr("Harp"));
    setCentralWidget(cardGame);
    cardGame->newGame();
    setCardBacks();
}


void CanvasCardWindow::initTeeclub()
{
    // Create New Game
    if ( cardGame ) {
        delete cardGame;
    }
    cardGame = new TeeclubCardGame( &canvas, snapOn, this );
    cardGame->setNumberToDraw(1);
    gameType = 4;
    setCaption(tr("Teeclub"));
    setCentralWidget(cardGame);
    cardGame->newGame();
    setCardBacks();
}


void CanvasCardWindow::snapToggle()
{
    snapOn = !snapOn;
    settings->setItemChecked(snap_id, snapOn);
    cardGame->toggleSnap();
}


void CanvasCardWindow::drawnToggle()
{
    drawThree=!drawThree;
    Config cfg( "Patience" );
    cfg.setGroup( "GlobalSettings" );
    cardGame->toggleCardsDrawn();
    updateDraw();
    cfg.writeEntry( "DrawThree", drawThree);
    cfg.write();
}

void CanvasCardWindow::updateDraw() {
    if(cardGame->cardsDrawn() == 3){
        settings->changeItem(drawId, tr("Turn one card"));
    }  else {
        settings->changeItem(drawId, tr("Turn three cards"));
    }
}


void CanvasCardWindow::setCardBacks()
{
    QCanvasItemList l = canvas.allItems();

    for (QCanvasItemList::Iterator it = l.begin(); it != l.end(); ++it) {
  if ( (*it)->rtti() == canvasCardId )
      ((CanvasCard *)(*it))->setCardBack( cardBack );
    }
}


void CanvasCardWindow::changeCardBacks()
{
    cardBack++;

    if (cardBack == 5)
  cardBack = 0;

    setCardBacks();
}