// Created on: 1995-01-03
// Created by: Frederic MAUPAS
// Copyright (c) 1995-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// 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.

//:   gka 09.04.99: S4136: eliminate BRepAPI::Precision()

#include <BRep_Builder.hxx>
#include <Geom_CartesianPoint.hxx>
#include <Precision.hxx>
#include <StdFail_NotDone.hxx>
#include <StepShape_VertexPoint.hxx>
#include <StepToGeom.hxx>
#include <StepToTopoDS_NMTool.hxx>
#include <StepToTopoDS_Tool.hxx>
#include <StepToTopoDS_TranslateVertex.hxx>
#include <TCollection_HAsciiString.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Vertex.hxx>

//#include <BRepAPI.hxx>
// For I-DEAS-like processing (ssv; 15.11.2010)
// ============================================================================
// Method  : StepToTopoDS_TranslateVertex::StepToTopoDS_TranslateVertex
// Purpose : Empty Constructor
// ============================================================================
StepToTopoDS_TranslateVertex::StepToTopoDS_TranslateVertex()
: myError(StepToTopoDS_TranslateVertexOther)
{
  done = Standard_False;
}

// ============================================================================
// Method  : StepToTopoDS_TranslateVertex::StepToTopoDS_TranslateVertex
// Purpose : Constructor with a Vertex and a Tool
// ============================================================================

StepToTopoDS_TranslateVertex::StepToTopoDS_TranslateVertex(const Handle(StepShape_Vertex)& V, 
                                                           StepToTopoDS_Tool& T,
                                                           StepToTopoDS_NMTool& NMTool)
{
  Init(V, T, NMTool);
}

// ============================================================================
// Method  : Init
// Purpose : Init with a Vertex and a Tool
// ============================================================================

void StepToTopoDS_TranslateVertex::Init(const Handle(StepShape_Vertex)& aVertex, 
				                                StepToTopoDS_Tool& aTool,
                                        StepToTopoDS_NMTool& NMTool)
{
  if (aVertex.IsNull()) {
    myError = StepToTopoDS_TranslateVertexOther;
    done = Standard_False;
    return;
  }
  if (!aTool.IsBound(aVertex)) {

    // [BEGIN] Proceed with non-manifold topology (ssv; 14.11.2010)
    if ( NMTool.IsActive() && NMTool.IsBound(aVertex) ) {
      myResult = NMTool.Find(aVertex);
      myError  = StepToTopoDS_TranslateVertexDone;
      done     = Standard_True;
      return;
    }
    // [END] Proceed with non-manifold topology (ssv; 14.11.2010)

    // [BEGIN] Proceed with I-DEAS-like STP (ssv; 15.11.2010)
    const Handle(TCollection_HAsciiString) aVName = aVertex->Name();
    if ( NMTool.IsActive() && NMTool.IsIDEASCase() &&
        !aVName.IsNull() && !aVName->IsEmpty() && NMTool.IsBound(aVName->String()) ) {
      myResult = NMTool.Find(aVName->String());
      myError = StepToTopoDS_TranslateVertexDone;
      done = Standard_True;
      return;
    }
    // [END] Proceed with I-DEAS-like STP (ssv; 15.11.2010)

//:S4136    Standard_Real preci = BRepAPI::Precision();
    const Handle(StepShape_VertexPoint) VP = Handle(StepShape_VertexPoint)::DownCast(aVertex);
    const Handle(StepGeom_Point) P = VP->VertexGeometry();
    const Handle(StepGeom_CartesianPoint) P1 = Handle(StepGeom_CartesianPoint)::DownCast(P);
    Handle(Geom_CartesianPoint) P2 = StepToGeom::MakeCartesianPoint (P1);
    BRep_Builder B;
    TopoDS_Vertex V;
    B.MakeVertex(V, P2->Pnt(), Precision::Confusion()); //:S4136: preci
    aTool.Bind(aVertex,V);

    // Register Vertex in NM tool (ssv; 14.11.2010)
    if ( NMTool.IsActive() ) {
      NMTool.Bind(aVertex, V);
      if ( NMTool.IsIDEASCase() && !aVName.IsNull() && !aVName->IsEmpty() )
        NMTool.Bind(aVName->String(), V);
    }

    myResult = V;
  }
  else {
    myResult = TopoDS::Vertex(aTool.Find(aVertex));
  }
  myError  = StepToTopoDS_TranslateVertexDone;
  done     = Standard_True;
}

// ============================================================================
// Method  : Value
// Purpose : Return the mapped Shape
// ============================================================================

const TopoDS_Shape& StepToTopoDS_TranslateVertex::Value() const 
{
  StdFail_NotDone_Raise_if (!done, "StepToTopoDS_TranslateVertex::Value() - no result");
  return myResult;
}

// ============================================================================
// Method  : Error
// Purpose : Return the TranslateVertex Error Code
// ============================================================================

StepToTopoDS_TranslateVertexError StepToTopoDS_TranslateVertex::Error() const
{
  return myError;
}
