/*
 * Copyright (C) by Kevin Ottens <kevin.ottens@nextcloud.com>
 *
 * 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.
 */

#ifndef CONFLICTSOLVER_H
#define CONFLICTSOLVER_H

#include <QObject>

class QWidget;

namespace OCC {

class ConflictSolver : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QString localVersionFilename READ localVersionFilename WRITE setLocalVersionFilename NOTIFY localVersionFilenameChanged)
    Q_PROPERTY(QString remoteVersionFilename READ remoteVersionFilename WRITE setRemoteVersionFilename NOTIFY remoteVersionFilenameChanged)
public:
    enum Solution {
        KeepLocalVersion,
        KeepRemoteVersion,
        KeepBothVersions
    };
    Q_ENUM(Solution);

    explicit ConflictSolver(QWidget *parent = nullptr);

    [[nodiscard]] QString localVersionFilename() const;
    [[nodiscard]] QString remoteVersionFilename() const;

    bool exec(Solution solution);

public slots:
    void setLocalVersionFilename(const QString &localVersionFilename);
    void setRemoteVersionFilename(const QString &remoteVersionFilename);

signals:
    void localVersionFilenameChanged();
    void remoteVersionFilenameChanged();

private:
    bool deleteLocalVersion();
    bool renameLocalVersion();
    bool overwriteRemoteVersion();

    QWidget *_parentWidget;
    QString _localVersionFilename;
    QString _remoteVersionFilename;
};

} // namespace OCC

#endif // CONFLICTSOLVER_H