// Created on: 2016-04-07
// Copyright (c) 2016 OPEN CASCADE SAS
// Created by: Oleg AGASHIN
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#include <BRepMeshData_Edge.hxx>
#include <BRepMeshData_PCurve.hxx>
#include <BRepMeshData_Curve.hxx>

IMPLEMENT_STANDARD_RTTIEXT(BRepMeshData_Edge, IMeshData_Edge)

//=================================================================================================

BRepMeshData_Edge::BRepMeshData_Edge(const TopoDS_Edge&                      theEdge,
                                     const Handle(NCollection_IncAllocator)& theAllocator)
    : IMeshData_Edge(theEdge),
      myAllocator(theAllocator),
      myPCurves(256, myAllocator),
      myPCurvesMap(1, myAllocator)
{
  SetCurve(IMeshData::ICurveHandle(new (myAllocator) BRepMeshData_Curve(myAllocator)));
}

//=================================================================================================

BRepMeshData_Edge::~BRepMeshData_Edge() {}

//=================================================================================================

Standard_Integer BRepMeshData_Edge::PCurvesNb() const
{
  return myPCurves.Size();
}

//=================================================================================================

const IMeshData::IPCurveHandle& BRepMeshData_Edge::AddPCurve(
  const IMeshData::IFacePtr& theDFace,
  const TopAbs_Orientation   theOrientation)
{
  const Standard_Integer aPCurveIndex = PCurvesNb();
  // Add pcurve to list of pcurves
  IMeshData::IPCurveHandle aPCurve(new (myAllocator)
                                     BRepMeshData_PCurve(theDFace, theOrientation, myAllocator));
  myPCurves.Append(aPCurve);

  // Map pcurve to faces.
  if (!myPCurvesMap.IsBound(theDFace))
  {
    myPCurvesMap.Bind(theDFace, IMeshData::ListOfInteger(myAllocator));
  }

  IMeshData::ListOfInteger& aListOfPCurves = myPCurvesMap.ChangeFind(theDFace);
  aListOfPCurves.Append(aPCurveIndex);

  return GetPCurve(aPCurveIndex);
}

//=================================================================================================

const IMeshData::IPCurveHandle& BRepMeshData_Edge::GetPCurve(
  const IMeshData::IFacePtr& theDFace,
  const TopAbs_Orientation   theOrientation) const
{
  const IMeshData::ListOfInteger& aListOfPCurves = myPCurvesMap.Find(theDFace);
  const IMeshData::IPCurveHandle& aPCurve1       = myPCurves(aListOfPCurves.First());
  return (aPCurve1->GetOrientation() == theOrientation) ? aPCurve1
                                                        : myPCurves(aListOfPCurves.Last());
}

//=================================================================================================

const IMeshData::IPCurveHandle& BRepMeshData_Edge::GetPCurve(const Standard_Integer theIndex) const
{
  return myPCurves(theIndex);
}