// SPDX-License-Identifier: LGPL-2.1-or-later
/***************************************************************************
 *   Copyright (c) 2019 sliptonic <shopinthewoods@gmail.com>               *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU Lesser General Public License (LGPL)    *
 *   as published by the Free Software Foundation; either version 2 of     *
 *   the License, or (at your option) any later version.                   *
 *   for detail see the LICENCE text file.                                 *
 *                                                                         *
 *   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 Library General Public License for more details.                  *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this program; if not, write to the Free Software   *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
 *   USA                                                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef PATHSEGMENTWALKER_H
#define PATHSEGMENTWALKER_H

#include <deque>

#include <Base/Vector3D.h>

#include "Path.h"


namespace Path
{

/**
 * PathSegmentVisitor is the companion class to PathSegmentWalker. Its members are called
 * with the segmented points of each command.
 */
class PathExport PathSegmentVisitor
{
public:
    virtual ~PathSegmentVisitor();

    virtual void setup(const Base::Vector3d& last);

    virtual void g0(
        int id,
        const Base::Vector3d& last,
        const Base::Vector3d& next,
        const std::deque<Base::Vector3d>& pts
    );
    virtual void g1(
        int id,
        const Base::Vector3d& last,
        const Base::Vector3d& next,
        const std::deque<Base::Vector3d>& pts
    );
    virtual void g23(
        int id,
        const Base::Vector3d& last,
        const Base::Vector3d& next,
        const std::deque<Base::Vector3d>& pts,
        const Base::Vector3d& center
    );
    virtual void g8x(
        int id,
        const Base::Vector3d& last,
        const Base::Vector3d& next,
        const std::deque<Base::Vector3d>& pts,
        const std::deque<Base::Vector3d>& p,
        const std::deque<Base::Vector3d>& q
    );
    virtual void g38(int id, const Base::Vector3d& last, const Base::Vector3d& next);
};

/**
 * PathSegmentWalker processes a path and splits all movement commands into straight segments and
 * calls the appropriate member of the provided PathSegmentVisitor. All non-movement commands are
 * processed accordingly if they affect the movement commands.
 */
class PathExport PathSegmentWalker
{
public:
    PathSegmentWalker(const Toolpath& tp_);


    void walk(PathSegmentVisitor& cb, const Base::Vector3d& startPosition);

private:
    const Toolpath& tp;
    int retract_mode;
};


}  // namespace Path

#endif  // PATHSEGMENTWALKER_H