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

#include <cpPlugins/Interface/Plugins.h>

// -------------------------------------------------------------------------
typedef cpPlugins::Interface::Plugins TPlugins;

// -------------------------------------------------------------------------
int main( int argc, char* argv[] )
{
  if( argc < 4 )
  {
    std::cerr
      << "Usage: " << argv[ 0 ]
      << " plugins_file"
      << " input_image threshold output_image" << std::endl;
    return( 1 );

  } // fi

  // Load plugins
  cpPlugins::Interface::Plugins plugins;
  if( !plugins.LoadPluginsPath( argv[ 1 ] ) )
  {
    std::cerr << "Failed to load plugins." << std::endl;
    return( 1 );

  } // fi

  // Associate filenames
  std::vector< std::string > fnames;
  for( int i = 2; i < argc - 2; ++i )
    fnames.push_back( argv[ i ] );
  
  // Read image
  std::string filter = "cpPlugins::BasicFilters::MarchingCubes";
  try
  {
    std::string name = plugins.ReadImage( fnames, "" );

    if( !( plugins.ActivateFilter( filter ) ) )
    {
      std::cerr << "Filter \"" << filter << "\" not found." << std::endl;
      return( 1 );

    } // fi

    // Connect IO objects
    TPlugins::TStringContainer inputs, outputs;
    plugins.GetActiveFilterInputsNames( inputs );
    plugins.GetActiveFilterOutputsNames( outputs );

    plugins.ConnectInputInActiveFilter( name, *( inputs.begin( ) ) );
    //plugins.SetOutputNameInActiveFilter( "output_mesh", *( outputs.begin( ) ) );

    // Configure filter
    TPlugins::TParameters* params = plugins.GetActiveFilterParameters( );
    params->AddToRealList( "Thresholds", std::atof( argv[ argc - 2 ] ) );

    // Execute filter
    TPlugins::TStringContainer generated_outputs;
    if( !( plugins.UpdateActiveFilter( generated_outputs, name ) ) )
    {
      std::cerr << "Error using filter \"" << filter << "\"." << std::endl;
      return( 1 );

    } // fi

    // Save mesh
    std::string outmesh_name = *( generated_outputs.begin( ) );
    if( !( plugins.WriteDataObject( argv[ argc - 1 ], outmesh_name ) ) )
    {
      std::cerr
        << "Error writing result into \"" << argv[ argc - 1 ]
        << "\"" << std::endl;
      return( 1 );

    } // fi
  }
  catch( std::exception& err )
  {
    std::cerr << err.what( ) << std::endl;
    return( 1 );

  } // yrt
  return( 0 );
}

// eof - $RCSfile$