#include <cstdlib>
#include <iostream>
#include <string>

#include <cpPlugins/Interface/Interface.h>
#include <cpPlugins/Interface/ProcessObject.h>
#include <cpPlugins/Interface/Mesh.h>

#include <vtkActor.h>
#include <vtkCallbackCommand.h>
#include <vtkProperty.h>
#include <vtkRenderer.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkSmartPointer.h>

int main( int argc, char* argv[] )
{
  if( argc < 5 )
  {
    std::cerr
      << "Usage: " << argv[ 0 ]
      << " plugins_file"
      << " input_mesh"
      << " dimensions pixel_type" << std::endl;
    return( 1 );

  } // fi
  std::string plugins_file = argv[ 1 ];
  std::string input_mesh_file = argv[ 2 ];
  unsigned int dimensions = std::atoi( argv[ 3 ] );
  std::string pixel_type = argv[ 4 ];

  // Create interface
  typedef cpPlugins::Interface::Interface TInterface;
  typedef TInterface::TClasses            TClasses;

  TInterface plugins;
  plugins.Load( plugins_file );

  // Create objects
  typedef cpPlugins::Interface::ProcessObject TProcessObject;
  typedef cpPlugins::Interface::Parameters    TParameters;
  cpPlugins::Interface::ProcessObject::Pointer reader;

  reader = plugins.CreateProcessObject( "cpPlugins::Plugins::MeshReader" );
  if( reader.IsNull( ) )
  {
    std::cerr << "No suitable reader found in plugins." << std::endl;
    return( 1 );

  } // fi

  // Configure reader
  TParameters reader_params = reader->GetDefaultParameters( );
  reader_params.SetValueAsString( "FileName", input_mesh_file );
  reader_params.SetValueAsString( "PixelType", pixel_type );
  reader_params.SetValueAsUint( "MeshDimension", dimensions );
  reader->SetParameters( reader_params );

  // Execute reader
  std::string msg = reader->Update( );

  if( msg != "" )
    std::cerr << "ERROR: " << msg << std::endl;

  // Create actor
  vtkSmartPointer< vtkActor > actor =
    vtkSmartPointer< vtkActor >::New( );
  actor->SetMapper(
    dynamic_cast< cpPlugins::Interface::Mesh* >( reader->GetOutput( 0 ) )->
    GetVTKMapper( )
    );
  actor->GetProperty( )->SetColor( 1, 1, 0 );
  actor->GetProperty( )->SetOpacity( 0.5 );

  // Configure visualization objects
  vtkSmartPointer< vtkRenderer > renderer =
    vtkSmartPointer< vtkRenderer >::New( );
  renderer->SetBackground( 0.1, 0.3, 0.5 );

  vtkSmartPointer< vtkRenderWindow > window =
    vtkSmartPointer< vtkRenderWindow >::New( );
  window->AddRenderer( renderer );
  window->SetSize( 800, 800 );

  // Set up the interaction
  vtkSmartPointer< vtkRenderWindowInteractor > interactor =
    vtkSmartPointer< vtkRenderWindowInteractor >::New( );
  window->SetInteractor( interactor );

  // Associate actors
  renderer->AddActor( actor );

  // Begin interaction
  window->Render( );
  interactor->Start( );

  return( 0 );
}

// eof - $RCSfile$