/* Copyright (C) 2012 Rogier Goossens
 *
 *  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, see <http://www.gnu.org/licenses/>.
 */

#include "OperationChangeUUID.h"
#include "Partition.h"
#include "PartitionVector.h"

namespace GParted
{

OperationChangeUUID::OperationChangeUUID( const Device & device
                                        , const Partition & partition_orig
                                        , const Partition & partition_new
                                        )
{
	type = OPERATION_CHANGE_UUID ;

	this->device = device.get_copy_without_partitions();
	this->partition_original = partition_orig.clone();
	this->partition_new      = partition_new.clone();
}

OperationChangeUUID::~OperationChangeUUID()
{
	delete partition_original;
	delete partition_new;
	partition_original = nullptr;
	partition_new = nullptr;
}

void OperationChangeUUID::apply_to_visual( PartitionVector & partitions )
{
	substitute_new( partitions );
}

void OperationChangeUUID::create_description()
{
	g_assert(partition_new != nullptr);  // Bug: Not initialised by constructor or reset later

	if ( partition_new->get_filesystem_partition().uuid == UUID_RANDOM_NTFS_HALF )
	{
		/*TO TRANSLATORS: looks like   Set half the UUID to a new random value on ntfs file system on /dev/sda1 */
		description = Glib::ustring::compose( _("Set half the UUID to a new random value on %1 file system on %2"),
		                                partition_new->get_filesystem_string(),
		                                partition_new->get_path() );
	}
	else
	{
		/*TO TRANSLATORS: looks like   Set a new random UUID on ext4 file system on /dev/sda1 */
		description = Glib::ustring::compose( _("Set a new random UUID on %1 file system on %2"),
		                                partition_new->get_filesystem_string(),
		                                partition_new->get_path() );
	}
}

bool OperationChangeUUID::merge_operations( const Operation & candidate )
{
	g_assert(partition_new != nullptr);  // Bug: Not initialised by constructor or reset later

	if ( candidate.type == OPERATION_CHANGE_UUID              &&
	     *partition_new == candidate.get_partition_original()    )
	{
		// Changing half the UUID must not override changing all of it
		if ( candidate.get_partition_new().uuid != UUID_RANDOM_NTFS_HALF )
		{
			partition_new->uuid = candidate.get_partition_new().uuid;
			create_description();
		}
		// Else no change required to this operation to merge candidate

		return true;
	}

	return false;
}

} //GParted