// Copyright (c) 2016-2018  INRIA Nancy (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
// 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.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
// SPDX-License-Identifier: GPL-3.0+
//
// Author(s)     : Monique Teillaud <Monique.Teillaud@inria.fr>
//                 Mikhail Bogdanov

#ifndef CGAL_HYPERBOLIC_TRIANGULATION_FACE_BASE_2_H
#define CGAL_HYPERBOLIC_TRIANGULATION_FACE_BASE_2_H

#include <CGAL/license/Hyperbolic_triangulation_2.h>

#include <CGAL/basic.h>
#include <CGAL/triangulation_assertions.h>
#include <CGAL/Triangulation_ds_face_base_2.h>
#include <CGAL/Object.h>

namespace CGAL {

template<typename Gt,
         typename Fb = Triangulation_ds_face_base_2<> >
class Hyperbolic_triangulation_face_base_2
  : public Fb
{
public:
  typedef Gt                                           Geom_traits;
  typedef typename Fb::Vertex_handle                   Vertex_handle;
  typedef typename Fb::Face_handle                     Face_handle;

  template<typename TDS2>
  struct Rebind_TDS
  {
    typedef typename Fb::template Rebind_TDS<TDS2>::Other   Fb2;
    typedef Hyperbolic_triangulation_face_base_2<Gt, Fb2>   Other;
  };

public:
  Hyperbolic_triangulation_face_base_2() : Fb() {}

  Hyperbolic_triangulation_face_base_2(Vertex_handle v0,
                                       Vertex_handle v1,
                                       Vertex_handle v2)
    : Fb(v0, v1, v2)
  {}

  Hyperbolic_triangulation_face_base_2(Vertex_handle v0,
                                       Vertex_handle v1,
                                       Vertex_handle v2,
                                       Face_handle n0,
                                       Face_handle n1,
                                       Face_handle n2)
    : Fb(v0, v1, v2, n0, n1, n2)
  {}

  static int ccw(int i) {return Triangulation_cw_ccw_2::ccw(i);}
  static int  cw(int i) {return Triangulation_cw_ccw_2::cw(i);}

  CGAL::Object& tds_data() { return this->_tds_data; }
  const CGAL::Object& tds_data() const { return this->_tds_data; }

private:
  CGAL::Object 	_tds_data;
};

} // namespace CGAL

#endif //CGAL_HYPERBOLIC_TRIANGULATION_FACE_BASE_2_H
