//////////////////////////////////////////////////////////////////////////////
// config.cpp
// -------------------
//
// Copyright (c) 2009 Hugo Pereira Da Costa <hugo.pereira@free.fr>
// Copyright (C) 2008 Lubos Lunak <l.lunak@kde.org>
//
// Based on the Quartz configuration module,
//     Copyright (c) 2001 Karol Szwed <gallium@kde.org>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//////////////////////////////////////////////////////////////////////////////

#include "oxygenconfig.h"
#include "oxygenconfig.moc"

#include "oxygenanimationconfigwidget.h"
#include "oxygenconfiguration.h"
#include "oxygenutil.h"
#include "../oxygenexceptionlist.h"

#include <QtCore/QTextStream>
#include <QtDBus/QDBusConnection>
#include <QtDBus/QDBusMessage>

#include <KAboutData>
#include <KAboutApplicationDialog>
#include <KConfigGroup>
#include <KGlobal>
#include <KLocale>

//_______________________________________________________________________
extern "C"
{
    KDE_EXPORT QObject* allocate_config( KConfig* conf, QWidget* parent )
    { return ( new Oxygen::Config( conf, parent ) ); }
}

namespace Oxygen
{

    //_______________________________________________________________________
    Config::Config( KConfig*, QWidget* parent ):
        QObject( parent )
    {

        KGlobal::locale()->insertCatalog("kwin_clients");

        _configuration = new KConfig( "oxygenrc" );
        KConfigGroup configurationGroup( _configuration, "Windeco");

        ui = new ConfigurationUi( parent );

        load( configurationGroup );
        connect( ui, SIGNAL(changed()), SLOT(updateChanged()) );
        ui->show();

    }

    //_______________________________________________________________________
    Config::~Config()
    {
        delete ui;
        delete _configuration;
    }

    //_______________________________________________________________________
    void Config::toggleExpertMode( bool value )
    { ui->toggleExpertMode( value ); }

    //_______________________________________________________________________
    void Config::load( const KConfigGroup& )
    {

        // load standard configuration
        ConfigurationPtr configuration( new Configuration() );
        configuration->readConfig();
        loadConfiguration( configuration );

        // load shadows
        foreach( ShadowConfigurationUi* ui, ui->shadowConfigurations )
        { ui->readConfig( _configuration ); }

        // load exceptions
        ExceptionList exceptions;
        exceptions.readConfig( *_configuration );
        ui->ui.exceptions->setExceptions( exceptions.get() );
        updateChanged();

    }

    //_______________________________________________________________________
    void Config::updateChanged( void )
    {

        ConfigurationPtr configuration( new Configuration() );
        configuration->readConfig();
        bool modified( false );

        if( ui->ui.titleAlignment->currentIndex() != configuration->titleAlignment() ) modified = true;
        else if( ui->ui.buttonSize->currentIndex() != configuration->buttonSize() ) modified = true;
        else if( ui->ui.blendColor->currentIndex() != configuration->blendStyle() ) modified = true;
        else if( ui->ui.frameBorder->currentIndex() != configuration->frameBorder() ) modified = true;
        else if( ui->ui.separatorMode->currentIndex() != configuration->separatorMode() ) modified = true;
        else if( ui->ui.drawSizeGrip->isChecked() != configuration->drawSizeGrip() ) modified = true;
        else if( ui->ui.titleOutline->isChecked() !=  configuration->drawTitleOutline() ) modified = true;
        else if( ui->ui.narrowButtonSpacing->isChecked() !=  configuration->useNarrowButtonSpacing() ) modified = true;

        // shadow configurations
        else if( ui->shadowConfigurations[0]->isModified() ) modified = true;
        else if( ui->shadowConfigurations[1]->isModified() ) modified = true;

        // exceptions
        else if( exceptionListChanged() ) modified = true;

        // animations
        else if( !ui->expertMode() && ui->ui.animationsEnabled->isChecked() !=  configuration->animationsEnabled() ) modified = true;
        else if( ui->expertMode() && ui->animationConfigWidget()->isChanged() ) modified = true;

        // emit relevant signals
        if( modified ) emit changed();
        emit changed( modified );

    }

    //_______________________________________________________________________
    void Config::save( KConfigGroup& )
    {

        // create configuration from group
        ConfigurationPtr configuration( new Configuration() );
        configuration->readConfig();

        // apply modifications from ui
        configuration->setTitleAlignment( ui->ui.titleAlignment->currentIndex() );
        configuration->setButtonSize( ui->ui.buttonSize->currentIndex() );
        configuration->setBlendStyle( ui->ui.blendColor->currentIndex() );
        configuration->setFrameBorder( ui->ui.frameBorder->currentIndex() );
        configuration->setSeparatorMode( ui->ui.separatorMode->currentIndex() );
        configuration->setDrawSizeGrip( ui->ui.drawSizeGrip->isChecked() );
        configuration->setDrawTitleOutline( ui->ui.titleOutline->isChecked() );
        configuration->setUseNarrowButtonSpacing( ui->ui.narrowButtonSpacing->isChecked() );
        configuration->setCloseWindowFromMenuButton( ui->ui.closeFromMenuButton->isChecked() );

        if( ui->expertMode() )
        {

            ui->animationConfigWidget()->setConfiguration( configuration );
            ui->animationConfigWidget()->save();

        } else {

            configuration->setAnimationsEnabled( ui->ui.animationsEnabled->isChecked() );

        }

        // save standard configuration
        Util::writeConfig( configuration.data(), _configuration );

        // get list of exceptions and write
        ConfigurationList exceptions( ui->ui.exceptions->exceptions() );
        ExceptionList( exceptions ).writeConfig( *_configuration );

        // write shadow configuration
        foreach( ShadowConfigurationUi* ui, ui->shadowConfigurations )
        { ui->writeConfig( _configuration ); }

        // sync configuration
        _configuration->sync();

        QDBusMessage message( QDBusMessage::createSignal("/OxygenWindeco",  "org.kde.Oxygen.Style", "reparseConfiguration") );
        QDBusConnection::sessionBus().send(message);

    }

    //_______________________________________________________________________
    void Config::defaults()
    {

        // install default configuration
        ConfigurationPtr configuration( new Configuration() );
        configuration->setDefaults();
        loadConfiguration( configuration );

        // load shadows
        foreach( ShadowConfigurationUi* ui, ui->shadowConfigurations )
        { ui->readDefaults( _configuration ); }

        // install default exceptions
        // ui->ui.exceptions->setExceptions( ExceptionList::defaultList() );

        updateChanged();

    }

    //_______________________________________________________________________
    void Config::loadConfiguration( ConfigurationPtr configuration )
    {

        ui->ui.titleAlignment->setCurrentIndex( configuration->titleAlignment() );
        ui->ui.buttonSize->setCurrentIndex( configuration->buttonSize() );
        ui->ui.blendColor->setCurrentIndex( configuration->blendStyle() );
        ui->ui.frameBorder->setCurrentIndex( configuration->frameBorder() );
        ui->ui.separatorMode->setCurrentIndex( configuration->separatorMode() );
        ui->ui.drawSizeGrip->setChecked( configuration->drawSizeGrip() );
        ui->ui.titleOutline->setChecked( configuration->drawTitleOutline() );
        ui->ui.animationsEnabled->setChecked( configuration->animationsEnabled() );
        ui->ui.narrowButtonSpacing->setChecked( configuration->useNarrowButtonSpacing() );
        ui->ui.closeFromMenuButton->setChecked( configuration->closeWindowFromMenuButton() );

        ui->animationConfigWidget()->setConfiguration( configuration );
        ui->animationConfigWidget()->load();

    }

    //_______________________________________________________________________
    bool Config::exceptionListChanged( void ) const
    {
        return true;
//         // get saved list
//         ExceptionList exceptions;
//         exceptions.read( *_configuration );
//         if( exceptions.empty() )
//         { exceptions = ExceptionList::defaultList(); }
//
//         // compare to current
//         return exceptions != ui->ui.exceptions->exceptions();

    }

}