/* AlbumCoverFetchThread.h */

/* Copyright (C) 2011-2024 Michael Lugmair (Lucio Carreras)
 *
 * This file is part of sayonara player
 *
 * 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/>.
 */

#ifndef ALBUMCOVERFETCHTHREAD_H
#define ALBUMCOVERFETCHTHREAD_H

#include "Utils/Pimpl.h"

#include <QThread>
#include <QModelIndex>

namespace Cover
{
	class Location;
	class Lookup;
}

namespace Library
{
	class AlbumCoverFetchThread :
		public QThread
	{
			Q_OBJECT
			PIMPL(AlbumCoverFetchThread)
		signals:
			void sigNext();

		public:
			using Hash = QString;
			using HashAlbumPair = QPair<Hash, Album>;
			using HashAlbumList = QList<HashAlbumPair>;
			using HashLocationPair = QPair<Hash, Cover::Location>;
			using HashLocationList = QList<HashLocationPair>;

			explicit AlbumCoverFetchThread(QObject* parent = nullptr);
			~AlbumCoverFetchThread() override;

			void addAlbum(const Album& album);

			bool checkAlbum(const QString& hashLocationPair);

			HashLocationPair takeCurrentLookup();

			void stop();
			void clear();
			void removeHash(const Hash& hash);

			static Hash getHash(const Album& album);

		protected:
			void run() override;
	};
}

#endif // ALBUMCOVERFETCHTHREAD_H
