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// Copyright (c) 2012-2013, IGN France.
// Copyright (c) 2012-2022, Oslandia.
// SPDX-License-Identifier: LGPL-2.0-or-later

#ifndef _SFCGAL_ALGORITHM_BOUNDARYVISITOR_H_
#define _SFCGAL_ALGORITHM_BOUNDARYVISITOR_H_

#include "SFCGAL/GeometryVisitor.h"

#include "SFCGAL/detail/graph/GeometryGraph.h"
#include "SFCGAL/detail/graph/GeometryGraphBuilder.h"

namespace SFCGAL {
namespace algorithm {

class SFCGAL_API BoundaryVisitor : public ConstGeometryVisitor {
public:
  virtual void
  visit(const Point &g);
  virtual void
  visit(const LineString &g);
  virtual void
  visit(const Polygon &g);
  virtual void
  visit(const Triangle &g);
  virtual void
  visit(const Solid &g);
  virtual void
  visit(const MultiPoint &g);
  virtual void
  visit(const MultiLineString &g);
  virtual void
  visit(const MultiPolygon &g);
  virtual void
  visit(const MultiSolid &g);
  virtual void
  visit(const GeometryCollection &g);
  virtual void
  visit(const PolyhedralSurface &g);
  virtual void
  visit(const TriangulatedSurface &g);

  Geometry *
  releaseBoundary();

protected:
  void
  getBoundaryFromLineStrings(const graph::GeometryGraph &g);
  void
  getBoundaryFromPolygons(const graph::GeometryGraph &g);

private:
  std::unique_ptr<Geometry> _boundary;
};

} // namespace algorithm
} // namespace SFCGAL

#endif