// Copyright (C) 2007-2014  CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//

#include <Standard_Stream.hxx>

#include <GEOMImpl_BoxDriver.hxx>
#include <GEOMImpl_IBox.hxx>
#include <GEOMImpl_Types.hxx>
#include <GEOM_Function.hxx>

#include <BRepPrimAPI_MakeBox.hxx>
#include <BRep_Tool.hxx>
#include <gp_Pnt.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopAbs.hxx>

#include <StdFail_NotDone.hxx>

#include <Precision.hxx>

#include<cmath>

//=======================================================================
//function : GetID
//purpose  :
//=======================================================================
const Standard_GUID& GEOMImpl_BoxDriver::GetID()
{
  static Standard_GUID aBoxDriver("FF1BBB13-5D14-4df2-980B-3A668264EA16");
  return aBoxDriver;
}


//=======================================================================
//function : GEOMImpl_BoxDriver
//purpose  :
//=======================================================================
GEOMImpl_BoxDriver::GEOMImpl_BoxDriver()
{
}

//=======================================================================
//function : Execute
//purpose  :
//=======================================================================
Standard_Integer GEOMImpl_BoxDriver::Execute(TFunction_Logbook& log) const
{
  if (Label().IsNull()) return 0;
  Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());

  GEOMImpl_IBox aBI (aFunction);
  Standard_Integer aType = aFunction->GetType();

  TopoDS_Shape aShape;

  if (aType == BOX_DX_DY_DZ) {
    BRepPrimAPI_MakeBox MB (aBI.GetDX(), aBI.GetDY(), aBI.GetDZ());
    MB.Build();

    if (!MB.IsDone()) {
      StdFail_NotDone::Raise("Box with the given dimensions can not be computed");
    }
    aShape = MB.Shape();
  }
  else if (aType == BOX_TWO_PNT) {
    Handle(GEOM_Function) aRefPoint1 = aBI.GetRef1();
    Handle(GEOM_Function) aRefPoint2 = aBI.GetRef2();
    TopoDS_Shape aShape1 = aRefPoint1->GetValue();
    TopoDS_Shape aShape2 = aRefPoint2->GetValue();
    if (aShape1.ShapeType() == TopAbs_VERTEX &&
        aShape2.ShapeType() == TopAbs_VERTEX) {
      gp_Pnt P1 = BRep_Tool::Pnt(TopoDS::Vertex(aShape1));
      gp_Pnt P2 = BRep_Tool::Pnt(TopoDS::Vertex(aShape2));

      if (std::abs(P1.X() - P2.X()) < Precision::Confusion() || 
          std::abs(P1.Y() - P2.Y()) < Precision::Confusion() || 
          std::abs(P1.Z() - P2.Z()) < Precision::Confusion() ) {
        StdFail_NotDone::Raise("Box can not be created, the points belong both to one of the OXY, OYZ or OZX planes");
        return 0;
      }

      BRepPrimAPI_MakeBox MB (P1,P2);
      MB.Build();

      if (!MB.IsDone()) {
        StdFail_NotDone::Raise("Box can not be computed from the given point");
      }
      aShape = MB.Shape();
    }
  }
  else {
  }

  if (aShape.IsNull()) return 0;

  aFunction->SetValue(aShape);

  log.SetTouched(Label());

  return 1;
}

//================================================================================
/*!
 * \brief Returns a name of creation operation and names and values of creation parameters
 */
//================================================================================

bool GEOMImpl_BoxDriver::GetCreationInformation(std::string&             theOperationName,
                                                std::vector<GEOM_Param>& theParams)
{
  if (Label().IsNull()) return 0;
  Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());

  GEOMImpl_IBox aBI (aFunction);
  Standard_Integer aType = aFunction->GetType();

  theOperationName = "BOX";

  if (aType == BOX_DX_DY_DZ)
  {
    AddParam( theParams, "Dx", aBI.GetDX() );
    AddParam( theParams, "Dy", aBI.GetDY() );
    AddParam( theParams, "Dz", aBI.GetDZ() );
  }
  else if (aType == BOX_TWO_PNT) 
  {
    AddParam( theParams, "Point 1", aBI.GetRef1() );
    AddParam( theParams, "Point 2", aBI.GetRef2() );
  }
  else {
    return false;
  }
  
  return true;
}


IMPLEMENT_STANDARD_HANDLE (GEOMImpl_BoxDriver,GEOM_BaseDriver);

IMPLEMENT_STANDARD_RTTIEXT (GEOMImpl_BoxDriver,GEOM_BaseDriver);