/*
 * Bittorrent Client using Qt and libtorrent.
 * Copyright (C) 2024  Vladimir Golovnev <glassez@yandex.ru>
 *
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * In addition, as a special exception, the copyright holders give permission to
 * link this program with the OpenSSL project's "OpenSSL" library (or with
 * modified versions of it that use the same license as the "OpenSSL" library),
 * and distribute the linked executables. You must obey the GNU General Public
 * License in all respects for all of the code used other than "OpenSSL".  If you
 * modify file(s), you may extend this exception to your version of the file(s),
 * but you are not obligated to do so. If you do not wish to do so, delete this
 * exception statement from your version.
 */

#include "torrentcontentremover.h"

#include "base/utils/fs.h"

void BitTorrent::TorrentContentRemover::performJob(const QString &torrentName, const Path &basePath
        , const PathList &fileNames, const TorrentContentRemoveOption option)
{
    QString errorMessage;

    if (!fileNames.isEmpty())
    {
        const auto removeFileFn = [&option](const Path &filePath)
        {
            return ((option == TorrentContentRemoveOption::MoveToTrash)
                    ? Utils::Fs::moveFileToTrash : Utils::Fs::removeFile)(filePath);
        };

        for (const Path &fileName : fileNames)
        {
            if (const auto result = removeFileFn(basePath / fileName)
                    ; !result && errorMessage.isEmpty())
            {
                errorMessage = result.error();
            }
        }

        const Path rootPath = Path::findRootFolder(fileNames);
        if (!rootPath.isEmpty())
            Utils::Fs::smartRemoveEmptyFolderTree(basePath / rootPath);
    }

    emit jobFinished(torrentName, errorMessage);
}
