/*
 * Copyright (C) 2023 Emeric Poupon
 *
 * This file is part of LMS.
 *
 * LMS 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.
 *
 * LMS 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 LMS.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "ScanStepCheckDuplicatedDbFiles.hpp"

#include "services/database/Db.hpp"
#include "services/database/Session.hpp"
#include "services/database/Track.hpp"
#include "utils/Logger.hpp"

namespace Scanner
{
	void
	ScanStepCheckDuplicatedDbFiles::process(ScanContext& context)
	{
		using namespace Database;

		if (_abortScan)
			return;

		Session& session {_db.getTLSSession()};
		auto transaction {session.createSharedTransaction()};

		const RangeResults<TrackId> tracks = Track::findIdsTrackMBIDDuplicates(session);
		for (const TrackId trackId : tracks.results)
		{
			const Track::pointer track {Track::find(session, trackId)};
			if (auto trackMBID {track->getTrackMBID()})
			{
				LMS_LOG(DBUPDATER, INFO) << "Found duplicated track MBID [" << trackMBID->getAsString() << "], file: " << track->getPath().string() << " - " << track->getName();
				context.stats.duplicates.emplace_back(ScanDuplicate {track->getId(), DuplicateReason::SameTrackMBID});
				context.currentStepStats.processedElems++;
				_progressCallback(context.currentStepStats);
			}
		}

		LMS_LOG(DBUPDATER, DEBUG) << "Found " << context.currentStepStats.processedElems << " duplicated audio files";
	}
}