/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
 *
 *   Copyright 2010-2011, Leo Franchi <lfranchi@kde.org>
 *   Copyright 2010-2011, Jeff Mitchell <jeff@tomahawk-player.org>
 *
 *   Tomahawk 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 3 of the License, or
 *   (at your option) any later version.
 *
 *   Tomahawk 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 Tomahawk. If not, see <http://www.gnu.org/licenses/>.
 */

#include "DynamicSetupWidget.h"

#include "ReadOrWriteWidget.h"
#include "playlist/dynamic/DynamicPlaylist.h"
#include "playlist/dynamic/GeneratorFactory.h"
#include "DynamicWidget.h"
#include "Source.h"

#include <QHBoxLayout>
#include <QComboBox>
#include <QLabel>
#include <QPushButton>
#include <QSpinBox>
#include <QPropertyAnimation>
#include <QPaintEvent>
#include <QPainter>

#include "utils/Logger.h"

using namespace Tomahawk;


DynamicSetupWidget::DynamicSetupWidget( const Tomahawk::dynplaylist_ptr& playlist, QWidget* parent )
    : QWidget( parent )
    , m_playlist( playlist )
    , m_headerText( 0 )
    , m_layout( new QHBoxLayout )
    , m_generatorCombo( 0 )
    , m_logo( 0 )
    , m_generateButton( 0 )
    , m_genNumber( 0 )
{
    setContentsMargins( 0, 0, 0, 0 );
    m_headerText = new QLabel( tr( "Type:" ), this );
    m_layout->addWidget( m_headerText );

    QComboBox * genCombo = new QComboBox( this );
    foreach( const QString& type, GeneratorFactory::types() )
        genCombo->addItem( type );
    m_generatorCombo = new ReadOrWriteWidget( genCombo, m_playlist->author()->isLocal(), this );
    m_generatorCombo->setLabel( playlist->generator()->type().replace( 0, 1, playlist->generator()->type().at( 0 ).toUpper() ) );

    m_layout->addWidget( m_generatorCombo );
    // TODO until there are more... no point in choices
    m_headerText->hide();
    m_generatorCombo->hide();

    m_generateButton = new QPushButton( tr( "Generate" ), this );
    m_generateButton->setAttribute( Qt::WA_LayoutUsesWidgetRect );
    connect( m_generateButton, SIGNAL( clicked( bool ) ), this, SLOT( generatePressed( bool ) ) );
    if( m_playlist->mode() == OnDemand )
        m_generateButton->hide();
    else
        m_layout->addWidget( m_generateButton );

    m_genNumber = new QSpinBox( this );
    m_genNumber->setValue( 15 );
    m_genNumber->setMinimum( 0 );
    if( m_playlist->mode() == OnDemand )
        m_genNumber->hide();
    else
        m_layout->addWidget( m_genNumber );

    if( m_playlist->mode() == Static )
        m_layout->addSpacing( 30 );

    m_logo = new QLabel( this );
    if( !m_playlist->generator()->logo().isNull() ) {
        QPixmap p = m_playlist->generator()->logo().scaledToHeight( 22, Qt::SmoothTransformation );
        m_logo->setPixmap( p );
    }
    m_layout->addWidget(m_logo);

    setLayout( m_layout );

    m_fadeAnim = new QPropertyAnimation( this, "opacity" );
    m_fadeAnim->setDuration( 250 );
    m_fadeAnim->setStartValue( 0.00 );
    m_fadeAnim->setEndValue( .70 );

    setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed );
    resize( QWidget::sizeHint() );
}


DynamicSetupWidget::~DynamicSetupWidget()
{

}


void
DynamicSetupWidget::setPlaylist( const Tomahawk::dynplaylist_ptr& playlist )
{
    Q_UNUSED( playlist );
}


void
DynamicSetupWidget::fadeIn()
{
    m_fadeAnim->setDirection( QAbstractAnimation::Forward );
    m_fadeAnim->start();

    show();
}


void
DynamicSetupWidget::fadeOut()
{
    m_fadeAnim->setDirection( QAbstractAnimation::Backward );
    m_fadeAnim->start();

}


void
DynamicSetupWidget::generatePressed( bool )
{
    emit generatePressed( m_genNumber->value() );
}

void
DynamicSetupWidget::setOpacity( qreal opacity )
{
    m_opacity = opacity;

    if( m_opacity == 0 )
        hide();
    repaint();
}


void
DynamicSetupWidget::paintEvent( QPaintEvent* e )
{
    QPainter p( this );
    QRect r = contentsRect();
    QPalette pal = palette();

    DynamicWidget::paintRoundedFilledRect( p, pal, r, m_opacity );

    QWidget::paintEvent( e );
}