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

 *

 * GEOS - Geometry Engine Open Source

 * http://geos.osgeo.org

 *

 * Copyright (C) 2024 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/geom/CircularArc.h>

#include <geos/geom/LineString.h>

#include <geos/geom/SimpleCurve.h>

namespace geos {

namespace geom {

class GEOS_DLL CircularString : public SimpleCurve {

public:

    using SimpleCurve::SimpleCurve;

    friend class GeometryFactory;

    ~CircularString() override;

    std::unique_ptr<CircularString> clone() const;

    const std::vector<CircularArc>& getArcs() const;

    std::string getGeometryType() const override;

    GeometryTypeId getGeometryTypeId() const override;

    double getLength() const override;

    bool hasCurvedComponents() const override

    {

        return true;

    }

    bool hasCurvedTypes() const override

    {

        return true;

    }

    bool isCurved() const override {

        return true;

    }

    void normalize() override;

    std::unique_ptr<CircularString> reverse() const

    {

        return std::unique_ptr<CircularString>(reverseImpl());

    }

    std::unique_ptr<Curve> getCurved(const algorithm::LineToCurveParams&) const;

protected:

    /// \brief

    /// Constructs a CircularString taking ownership the

    /// given CoordinateSequence.

    CircularString(std::unique_ptr<CoordinateSequence>&& pts,

                   const GeometryFactory& newFactory);

    CircularString(const std::shared_ptr<const CoordinateSequence>& pts,

                   const GeometryFactory& newFactory);

    CircularString* cloneImpl() const override

    {

        return new CircularString(*this);

    }

    void geometryChangedAction() override

    {

        envelope = computeEnvelopeInternal(false);

    }

    CircularString* getCurvedImpl(const algorithm::LineToCurveParams&) const override {

        return cloneImpl();

    }

    LineString* getLinearizedImpl(const algorithm::CurveToLineParams&) const override;

    int

    getSortIndex() const override

    {

        return SORTINDEX_CIRCULARSTRING;

    };

    CircularString* reverseImpl() const override;

    void validateConstruction();

private:

    void createArcs() const;

    void normalizeClosed();

    mutable std::vector<CircularArc> arcs;

};

}

}