/************************************************************************
 **
 **  @file   vhistorymanager.h
 **  @author Roman Telezhynskyi <dismine(at)gmail.com>
 **  @date   5 1, 2026
 **
 **  @brief
 **  @copyright
 **  This source code is part of the Valentina project, a pattern making
 **  program, whose allow create and modeling patterns of clothing.
 **  Copyright (C) 2026 Valentina project
 **  <https://gitlab.com/smart-pattern/valentina> All Rights Reserved.
 **
 **  Valentina 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.
 **
 **  Valentina 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 Valentina.  If not, see <http://www.gnu.org/licenses/>.
 **
 *************************************************************************/
#ifndef VHISTORYMANAGER_H
#define VHISTORYMANAGER_H

#include <QMap>
#include <QVector>

#include "../vmisc/defglobal.h"
#include "../vmisc/typedef.h"

class VAbstractPattern;

class VHistoryManager
{
public:
    explicit VHistoryManager(VAbstractPattern *doc);
    ~VHistoryManager() = default;

    auto CanMoveUp(vidtype objectId) const -> bool;
    auto CanMoveDown(vidtype objectId) const -> bool;

    auto CalculateTopId(vidtype objectId) const -> vidtype;
    auto CalculateBottomId(vidtype objectId) const -> vidtype;

    auto CalculateMaxUpSteps(vidtype objectId) const -> vsizetype;
    auto CalculateMaxDownSteps(vidtype objectId) const -> vsizetype;

    auto CalculateUpId(vidtype objectId, vsizetype steps) const -> vidtype;
    auto CalculateDownId(vidtype objectId, vsizetype steps) const -> vidtype;

    void RebuildIndex();

    auto RootTools() const -> QVector<vidtype>;

private:
    Q_DISABLE_COPY_MOVE(VHistoryManager)
    VAbstractPattern *m_doc;
    QVector<vidtype> m_objects{};
    QMap<vidtype, vsizetype> m_idToIndex{}; // ID -> index in history

    auto IsSameBlock(vidtype objectId) const -> bool;

    auto PredecessorTools(vidtype objectId) const -> QVector<vidtype>;
    auto DependencyTools(vidtype objectId) const -> QVector<vidtype>;

    auto FilterNodes(const QVector<vidtype> &nodes) const -> QVector<vidtype>;
};

#endif // VHISTORYMANAGER_H
