/**********************************************************************

*

 * GEOS - Geometry Engine Open Source

 * http://geos.osgeo.org

 *

 * Copyright (C) 2025 ISciences, LLC

 *

 * This is free software; you can redistribute and/or modify it under

 * the terms of the GNU Lesser General Public Licence as published

 * by the Free Software Foundation.

 * See the COPYING file for more information.

 *

 **********************************************************************/

#pragma once

#include <geos/export.h>

#include <geos/geom/CircularArc.h>

#include <geos/noding/PathString.h>

#include <vector>

namespace geos::noding {

/** \brief

 *  An interface for classes which represent a sequence of contiguous

 *  circular arcs, analogous to the SegmentString for contiguous line

 *  segments.

 */

class GEOS_DLL ArcString : public PathString {

public:

    explicit ArcString(std::vector<geom::CircularArc> arcs) : m_arcs(std::move(arcs)) {

    }

    ArcString(std::vector<geom::CircularArc> arcs, const std::shared_ptr<const geom::CoordinateSequence>& seq, void* context)

        : m_arcs(std::move(arcs)),

          m_seq(seq),

          m_context(context)

    {}

    std::size_t getSize() const override {

        return m_arcs.size();

    }

    double getLength() const override {

        double tot = 0;

        for (const auto &arc: m_arcs) {

            tot += arc.getLength();

        }

        return tot;

    }

    const geom::CircularArc &getArc(std::size_t i) const {

        return m_arcs[i];

    }

    auto begin() const {

        return m_arcs.begin();

    }

    auto end() const {

        return m_arcs.end();

    }

    const std::shared_ptr<const geom::CoordinateSequence>& getCoordinates() const override;

protected:

    std::vector<geom::CircularArc> m_arcs;

    std::shared_ptr<const geom::CoordinateSequence> m_seq;

    void* m_context;

};

}