// Created on: 1999-03-09
// Created by: data exchange team
// Copyright (c) 1999-1999 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.


#include <DBRep.hxx>
#include <ShapeExtend_Explorer.hxx>
#include <SWDRAW.hxx>
#include <SWDRAW_ShapeExtend.hxx>
#include <TopoDS_Shape.hxx>
#include <TopTools_HSequenceOfShape.hxx>

static Standard_Integer sortcompound (Draw_Interpretor& di, Standard_Integer argc, const char** argv)
{
  Standard_CString arg1 = argv[1];
  if (argc < 2) {
    di<<"Give shape name. As is, just displays shape type\n";
    di<<" or add result_name type [mode]\n";
    di<<" Type : v (vertex)  e (edge)  w (wire)  f (face)  s (shell)  so (solid)\n";
    di<<" Mode : n (normal, by default)  e (explore)  c (compound)  x (explore+comp)\n";
    return 0;
  }
  TopoDS_Shape Shape = DBRep::Get(arg1);
  if (Shape.IsNull()) { di<<"Shape unknown : "<<arg1<<"\n"; return 1 /* Error */; }

  if (argc < 4) {
    ShapeExtend_Explorer sbx;
    for (int i = 0; i < 2; i ++) {
      Standard_Boolean viaCompound = (i != 0);
      TopAbs_ShapeEnum ts = sbx.ShapeType(Shape, viaCompound);
      //std::cout<<"   Type "<<(i ? " (via Compound) : " : "(True) : ");
      if (!viaCompound) {
	di<<"   Type (True) : ";
      } else {
	di<<"   Type  (via Compound) : ";
      }
      switch (ts) {
	case TopAbs_SHAPE  : di<<"SHAPE (empty)"; break;
	case TopAbs_VERTEX : di<<"VERTEX"; break;
	case TopAbs_EDGE   : di<<"EDGE"; break;
	case TopAbs_WIRE   : di<<"WIRE"; break;
	case TopAbs_FACE   : di<<"FACE"; break;
	case TopAbs_SHELL  : di<<"SHELL"; break;
	case TopAbs_SOLID  : di<<"SOLID"; break;
	case TopAbs_COMPSOLID : di<<"COMPSOLID"; break;
	case TopAbs_COMPOUND  : di<<"COMPOUND"; if (i>0) di<<" (heterogeneous)"; break;
      }
    }
    di<<"\n";
    return 0;
  }

  TopAbs_ShapeEnum tse = TopAbs_COMPOUND;
  char tsc = argv[3][0];
  switch (tsc) {
    case 'v' : tse = TopAbs_VERTEX; break;
    case 'e' : tse = TopAbs_EDGE;   break;
    case 'w' : tse = TopAbs_WIRE;   break;
    case 'f' : tse = TopAbs_FACE;   break;
    case 's' : tse = (argv[3][1] == 'o' ? TopAbs_SOLID : TopAbs_SHELL);
      break;
    default : break;
  }
  Standard_Boolean modexp = Standard_False;
  Standard_Boolean modcom = Standard_False;
  if (argc > 4) {
    switch (argv[4][0]) {
      case 'e' : modexp = Standard_True;  break;
      case 'c' : modcom = Standard_True;  break;
      case 'x' : modexp = modcom = Standard_True;  break;
      default  : break;
    }
    ShapeExtend_Explorer sbx;
    Shape = sbx.SortedCompound (Shape,tse,modexp,modcom);
    if ( Shape.IsNull()) { di<<"Empty result\n"; return 0; }
    DBRep::Set(argv[2],Shape);
  }
  return 0; // Done
}

//=======================================================================
//function : InitCommands
//purpose  : 
//=======================================================================

 void SWDRAW_ShapeExtend::InitCommands(Draw_Interpretor& theCommands) 
{
  static Standard_Integer initactor = 0;
  if (initactor)
  {
    return;
  }
  initactor = 1;

  Standard_CString g = SWDRAW::GroupName();
  theCommands.Add ("sortcompound","shape_entree shape_result type=v-e-w-f-s-so [mode=n-e-c-x]",
		   __FILE__,sortcompound,g);
}