/*************************************************************************
 *  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 "jobs/deletepartitionjob.h"

#include "backend/corebackend.h"
#include "backend/corebackendmanager.h"
#include "backend/corebackenddevice.h"
#include "backend/corebackendpartitiontable.h"

#include "core/partition.h"
#include "core/device.h"

#include "util/report.h"

#include <QDebug>

#include <KLocalizedString>

/** Creates a new DeletePartitionJob
	@param d the Device the Partition to delete is on
	@param p the Partition to delete
*/
DeletePartitionJob::DeletePartitionJob(Device& d, Partition& p) :
	Job(),
	m_Device(d),
	m_Partition(p)
{
}

bool DeletePartitionJob::run(Report& parent)
{
	Q_ASSERT(device().deviceNode() == partition().devicePath());

	if (device().deviceNode() != partition().devicePath())
	{
		qWarning() << "deviceNode: " << device().deviceNode() << ", partition path: " << partition().devicePath();
		return false;
	}

	bool rval = false;

	Report* report = jobStarted(parent);

	CoreBackendDevice* backendDevice = CoreBackendManager::self()->backend()->openDevice(device().deviceNode());

	if (backendDevice)
	{
		CoreBackendPartitionTable* backendPartitionTable = backendDevice->openPartitionTable();

		if (backendPartitionTable)
		{
			rval = backendPartitionTable->deletePartition(*report, partition());

			if (!rval)
				report->line() << xi18nc("@info/plain", "Could not delete partition <filename>%1</filename>.", partition().deviceNode());
			else
				backendPartitionTable->commit();

			delete backendPartitionTable;

		}
		else
			report->line() << xi18nc("@info/plain", "Could not open partition table on device <filename>%1</filename> to delete partition <filename>%2</filename>.", device().deviceNode(), partition().deviceNode());

		delete backendDevice;
	}
	else
		report->line() << xi18nc("@info/plain", "Deleting partition failed: Could not open device <filename>%1</filename>.", device().deviceNode());

	jobFinished(*report, rval);

	return rval;
}

QString DeletePartitionJob::description() const
{
	return xi18nc("@info/plain", "Delete the partition <filename>%1</filename>", partition().deviceNode());
}
