/***************************************************************************
 *   Copyright (C) 2010 by Dario Freddi <drf@kde.org>                      *
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 *   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.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA .        *
 ***************************************************************************/


#include "suspendsessionconfig.h"

#include "powerdevilpowermanagement.h"

#include <QHBoxLayout>
#include <QSpinBox>

#include <KComboBox>
#include <KLocalizedString>
#include <KPluginFactory>
#include <KSharedConfig>
#include <QCheckBox>
#include <QIcon>
#include <KConfig>
#include "suspendsession.h"

K_PLUGIN_FACTORY(PowerDevilSuspendSessionConfigFactory, registerPlugin<PowerDevil::BundledActions::SuspendSessionConfig>(); )

namespace PowerDevil {
namespace BundledActions {

SuspendSessionConfig::SuspendSessionConfig(QObject* parent, const QVariantList&)
        : ActionConfig(parent),
          m_suspendThenHibernateEnabled(nullptr)
{

}

SuspendSessionConfig::~SuspendSessionConfig()
{

}

void SuspendSessionConfig::save()
{
    configGroup().writeEntry< uint >("suspendType", m_comboBox->itemData(m_comboBox->currentIndex()).toUInt());
    configGroup().writeEntry("idleTime", m_idleTime->value() * 60 * 1000);
    configGroup().writeEntry<bool>("suspendThenHibernate", m_suspendThenHibernateEnabled != nullptr &&
        m_suspendThenHibernateEnabled->isChecked());

    configGroup().sync();
}

void SuspendSessionConfig::load()
{
    configGroup().config()->reparseConfiguration();

    uint defaultAction = (PowerManagement::instance()->canSuspend() //
                                                       ? SuspendSession::ToRamMode
                                                       : SuspendSession::ShutdownMode);
    uint suspendType = configGroup().readEntry<uint>("suspendType", static_cast<uint>(defaultAction));
    m_comboBox->setCurrentIndex(m_comboBox->findData(suspendType));
    m_idleTime->setValue((configGroup().readEntry<int>("idleTime", 600000) / 60) / 1000);
    if (m_suspendThenHibernateEnabled != nullptr && m_suspendThenHibernateEnabled) {
        m_suspendThenHibernateEnabled->setChecked(configGroup().readEntry<bool>("suspendThenHibernate", false));
    }
}

QList< QPair< QString, QWidget* > > SuspendSessionConfig::buildUi()
{
    QWidget *tempWidget = new QWidget;
    QHBoxLayout *hlay = new QHBoxLayout;
    m_comboBox = new KComboBox;
    m_idleTime = new QSpinBox;
    m_idleTime->setMaximumWidth(150);
    m_idleTime->setMinimum(1);
    m_idleTime->setMaximum(360);
    m_idleTime->setValue(0);
    m_idleTime->setSuffix(i18n(" min"));
    m_idleTime->setPrefix(i18n("after "));

    if (PowerManagement::instance()->canSuspend()) {
        m_comboBox->addItem(QIcon::fromTheme("system-suspend"), i18nc("Suspend to RAM", "Sleep"), (uint)SuspendSession::ToRamMode);
    }
    if (PowerManagement::instance()->canHibernate()) {
        m_comboBox->addItem(QIcon::fromTheme("system-suspend-hibernate"), i18n("Hibernate"), (uint)SuspendSession::ToDiskMode);
    }
    if (PowerManagement::instance()->canHybridSuspend()) {
        m_comboBox->addItem(QIcon::fromTheme("system-suspend-hybrid"), i18n("Hybrid sleep"), (uint)SuspendSession::SuspendHybridMode);
    }
    m_comboBox->addItem(QIcon::fromTheme("system-shutdown"), i18n("Shut down"), (uint)SuspendSession::ShutdownMode);
    m_comboBox->addItem(QIcon::fromTheme("system-lock-screen"), i18n("Lock screen"), (uint)SuspendSession::LockScreenMode);

    hlay->addWidget(m_comboBox);
    hlay->addWidget(m_idleTime);
    hlay->addStretch();

    tempWidget->setLayout(hlay);

    QList< QPair< QString, QWidget* > > retlist;
    retlist.append(qMakePair(i18n("Automatically"), tempWidget));

    connect(m_comboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(setChanged()));
    connect(m_idleTime, SIGNAL(valueChanged(int)), this, SLOT(setChanged()));
    
    int comboBoxMaxWidth = 300;
    if (PowerManagement::instance()->canSuspendThenHibernate()) {
        m_suspendThenHibernateEnabled = new QCheckBox(i18n("While asleep, hibernate after a period of inactivity"));
        connect(m_suspendThenHibernateEnabled, &QCheckBox::stateChanged, this, &SuspendSessionConfig::setChanged);
        retlist.append(qMakePair< QString, QWidget* >(QLatin1String("NONE"), m_suspendThenHibernateEnabled));
        comboBoxMaxWidth = qMax(comboBoxMaxWidth, m_suspendThenHibernateEnabled->sizeHint().width());
        m_suspendThenHibernateEnabled->setMinimumWidth(300);
        m_suspendThenHibernateEnabled->setMaximumWidth(comboBoxMaxWidth);
    }

    return retlist;
}

}
}

#include "suspendsessionconfig.moc"
