/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkQuadEdgeMeshLinearParameterizationTest.cxx,v $
  Language:  C++
  Date:      $Date: 2008-10-05 22:45:14 $
  Version:   $Revision: 1.6 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#include "itkVTKPolyDataReader.h"
#include "itkVTKPolyDataWriter.h"
#include "itkQuadEdgeMesh.h"

// NEW
#include "itkQuadEdgeMeshBorderTransform.h"
#include "itkQuadEdgeMeshParamMatrixCoefficients.h"

#ifdef QuadEdgePARAM_TAUCS
    #include "TAUCSSparseSolverTraits.h"
#else
    #include "VNLIterativeSparseSolverTraits.h"
#endif

#include "itkQuadEdgeMeshParam.h"

using namespace itk;

int main( int argc, char* argv[] )
{
  // ** ERROR MESSAGE AND HELP ** //
  if( argc < 5 )
    {
    std::cout <<"Requires 4 arguments: " << std::endl;
    std::cout <<"1-Input file name " << std::endl;
    std::cout <<"2-Border Type" << std::endl;
    std::cout <<"   * 0: SQUARE" << std::endl;
    std::cout <<"   * 1: DISK" << std::endl;
    std::cout <<"3-CoefficientType Type" << std::endl;
    std::cout <<"   * 0: OnesMatrixCoefficients" << std::endl;
    std::cout <<"   * 1: InverseEuclideanDistanceMatrixCoefficients" << std::endl;
    std::cout <<"   * 2: ConformalMatrixCoefficients" << std::endl;
    std::cout <<"   * 3: AuthalicMatrixCoefficients" << std::endl;
    std::cout <<"   * 4: HarmonicMatrixCoefficients" << std::endl;
    std::cout <<"4-Output file name " << std::endl;

    return EXIT_FAILURE;
    }


  // ** TYPEDEF **
  typedef double Coord;

  typedef QuadEdgeMesh< Coord, 3 >                                MeshType;
  typedef VTKPolyDataReader< MeshType >                           ReaderType;
  typedef VTKPolyDataWriter< MeshType >                           WriterType;
  typedef QuadEdgeMeshBorderTransform< MeshType, MeshType >       BorderTransformType;
#ifdef QuadEdgePARAM_TAUCS
  typedef TAUCSSolverTraits< Coord >                              SolverTraits;
#else
  typedef VNLIterativeSparseSolverTraits< Coord >                 SolverTraits;
#endif
  typedef QuadEdgeMeshParam< MeshType, MeshType, SolverTraits >   ParametrizationType;


  // ** READ THE FILE IN **
  ReaderType::Pointer reader = ReaderType::New( );
  reader->SetFileName( argv[1] );

  try
    {
    reader->Update( );
    }
  catch( itk::ExceptionObject & exp )
    {
    std::cerr << "Exception thrown while reading the input file " << std::endl;
    std::cerr << exp << std::endl;
    return EXIT_FAILURE;
    }

  MeshType::Pointer mesh = reader->GetOutput( );

  // ** CHOSE< COMPUTE AND SET BORDER TRANSFORM **
  BorderTransformType::Pointer border_transform = BorderTransformType::New( );
  border_transform->SetInput( mesh );

  int border;
  std::stringstream ssout( argv[2] );
  ssout >>border;
  switch( border )  // choose border type
    {
    case 0: // square shaped domain
        border_transform->SetTransformType( BorderTransformType::SQUARE_BORDER_TRANSFORM ); 
        break;
    case 1: // disk shaped domain
        border_transform->SetTransformType( BorderTransformType::DISK_BORDER_TRANSFORM );   
        break;
    default: // handle .... user ....
        std::cerr << "2nd argument must be " << std::endl;
        std::cerr << "0 for SQUARE BORDER TRANSFORM or "
          << "1 for DISK BORDER TRANSFORM" << std::endl;
        return EXIT_FAILURE;
    }

  // ** CHOOSE AND SET BARYCENTRIC WEIGHTS **
  OnesMatrixCoefficients< MeshType >                     coeff0;
  InverseEuclideanDistanceMatrixCoefficients< MeshType > coeff1;
  ConformalMatrixCoefficients< MeshType >                coeff2;
  AuthalicMatrixCoefficients< MeshType >                 coeff3;
  HarmonicMatrixCoefficients< MeshType >                 coeff4;

  ParametrizationType::Pointer param = ParametrizationType::New( );
  param->SetInput( mesh );
  param->SetBorderTransform( border_transform );

  int param_type;
  std::stringstream ssout3( argv[3] );
  ssout3 >> param_type;

  switch( param_type )
    {
    case 0:
      param->SetCoefficientsMethod( &coeff0 );
      break;
    case 1:
      param->SetCoefficientsMethod( &coeff1 );
      break;
    case 2:
      param->SetCoefficientsMethod( &coeff2 );
      break;
    case 3:
      param->SetCoefficientsMethod( &coeff3 );
      break;
    case 4:
      param->SetCoefficientsMethod( &coeff4 );
      break;
    default:
      std::cerr << "3rd argument must be " << std::endl;
      std::cerr << "0, 1, 2, 3 or 4" << std::endl;
      std::cerr << "Here it is: " << param_type << std::endl;
      return EXIT_FAILURE;
    }

  // ** PROCESS **
  param->Update( );
  MeshType::Pointer output = param->GetOutput( );

  // ** WRITE OUTPUT **
  WriterType::Pointer writer = WriterType::New( );
  writer->SetInput( param->GetOutput( ) );
  writer->SetFileName( argv[4] );
  writer->Update( );

  // GET OUT OF HERE AND GET (YET ANOTHER) COFFEE
  return EXIT_SUCCESS;
}