#include <cstring>
#include <fstream>
#include <iostream>
#include <sstream>
#include <string>

// -------------------------------------------------------------------------
std::string GetFileName( const std::string& path )
{
  // Extract filename
  char* buffer = new char[ path.size( ) + 1 ];
  std::memcpy( buffer, path.c_str( ), path.size( ) );
  buffer[ path.size( ) ] = '\0';
  char* tok = std::strtok( buffer, "/\\" );
  char* ptr_fname = tok;
  while( tok != NULL )
  {
    ptr_fname = tok;
    tok = std::strtok( NULL, "/\\" );

  } // elihw
  std::string fname( ptr_fname );
  delete [] buffer;

  // Delete extension
  std::size_t pos = fname.find_last_of( "." );
  if( pos != std::string::npos )
    fname = fname.substr( 0, pos );

  return( fname );
}

// -------------------------------------------------------------------------
int main( int argc, char* argv[] )
{
  // Open file
  if( argc < 4 )
  {
    std::cerr
      << "Usage: " << argv[ 0 ]
      << " output_code namespace filter1 filter2 ..."
      << std::endl;
    return( 1 );

  } // fi
  std::ofstream output_code( argv[ 1 ] );
  if( !output_code )
  {
    std::cerr
      << "Could not open file \"" << argv[ 1 ] << "\" for writing"
      << std::endl;
    return( 1 );

  } // fi

  output_code << "#include <Pluma/Connector.hpp>" << std::endl;
  output_code
    << "#include <cpPlugins/Interface/ProcessObjectProvider.h>"
    << std::endl;
  for( int i = 3; i < argc; ++i )
    output_code << "#include \"" << argv[ i ] << "\"" << std::endl;
  output_code << std::endl;

  std::istringstream nspaces( argv[ 2 ] );
  std::string nspace;
  unsigned int number_of_nspaces = 0;
  while( std::getline( nspaces, nspace, ':' ) )
  {
    if( nspace != "" )
    {
      output_code << "namespace " << nspace << std::endl << "{" << std::endl;
      number_of_nspaces++;

    } // fi

  } // elihw

  for( int i = 3; i < argc; ++i )
    output_code
      << "CPPLUGINS_INHERIT_PROVIDER( "
      << GetFileName( argv[ i ] ) << " );" << std::endl;

  for( unsigned int i = 0; i < number_of_nspaces; ++i )
    output_code << "}" << std::endl;
  output_code << std::endl;


  output_code
    << "PLUMA_CONNECTOR" << std::endl
    << "bool connect( pluma::Host& host )" << std::endl
    << "{" << std::endl;

  for( int i = 3; i < argc; ++i )
    output_code
      << "  host.add( new "
      << argv[ 2 ] << "::"
      << GetFileName( argv[ i ] )
      << "Provider( ) );"
      << std::endl;

  output_code
    << "  return( true );" << std::endl
    << "}" << std::endl;

  output_code << std::endl << "// eof - $RCSfile$" << std::endl << std::endl;

  // Finish
  output_code.close( );
  return( 0 );
}

// eof - $RCSfile$