// SPDX-License-Identifier: MIT
#include "hello.hh"

#include <iostream>
#include <locale>
#include <stdexcept>

int main( int argc, char **argv )
{
  std::locale language = std::locale::classic( );

  if ( argc > 1 )
  {
    try
    {
      language = std::locale( argv[1] );
    }
    catch ( std::runtime_error const & )
    {
      std::cerr << "locale '" << argv[1] << "' is not installed, using English\n";
    }
  }

  // The functions with a std::locale parameter pick the language from it...
  std::cout << hello::WelcomeStr( "Ada", language ) << '\n'
            << hello::InboxStr( 3, 1.25, language );

  // ...a streamable object from the locale of the stream it is written to.
  std::cout.imbue( language );
  std::cout << hello::UsageStreamable( "hello" );
}