/*************************************************************************
 *  Copyright (C) 2008 by Volker Lanz <vl@fidra.de>                      *
 *                                                                       *
 *  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 3 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, see <http://www.gnu.org/licenses/>.*
 *************************************************************************/

#include "fs/ext4.h"

#include "util/externalcommand.h"
#include "util/capacity.h"

#include <QStringList>

namespace FS
{
ext4::ext4(qint64 firstsector, qint64 lastsector, qint64 sectorsused, const QString& label, const QVariantMap& features) :
    ext2(firstsector, lastsector, sectorsused, label, features, FileSystem::Type::Ext4)
{
}

qint64 ext4::maxCapacity() const
{
    return Capacity::unitFactor(Capacity::Unit::Byte, Capacity::Unit::EiB);
}

bool ext4::create(Report& report, const QString& deviceNode)
{
    QStringList args = QStringList();

    if (!this->features().isEmpty()) {
        QStringList feature_list = QStringList();
        for (const auto& k : this->features().keys()) {
            const auto& v = this->features().value(k);
            if (v.type() == QVariant::Type::Bool) {
                if (v.toBool())
                    feature_list << k;
		else
                    feature_list << (QStringLiteral("^") +  k);
            } else {
                qWarning() << "Ignoring feature" << k << "of type" << v.type() << "; requires type QVariant::bool.";
            }
        }
        args << QStringLiteral("-O") << feature_list.join(QStringLiteral(","));
    }
    args << QStringLiteral("-qF") << deviceNode;

    ExternalCommand cmd(report, QStringLiteral("mkfs.ext4"), args);
    return cmd.run(-1) && cmd.exitCode() == 0;
}

bool ext4::resizeOnline(Report& report, const QString& deviceNode, const QString&, qint64 length) const
{
    return resize(report, deviceNode, length);
}
}
