#include "options.h"
#include "version.h"
#include "game.h"

#include <stdlib.h>

#include <bu/optparser.h>
#include <bu/sio.h>

using namespace Bu;

Options::Options()
{
}

Options::~Options()
{
}

void Options::parse( int argc, char *argv[] )
{
	Bu::OptParser opt;

	opt.addHelpBanner("STAGE v" VERSION
			" - Simple, Textual, Adventure Game Environment");
	opt.addHelpBanner("usage: " + Bu::String(argv[0]) +
			" [options] <filename>\n");

	opt.addOption( Bu::slot( this, &Options::version ), "version",
			"Show full version info." );
	opt.addOption( Bu::slot( this, &Options::builtins ), "builtins",
			"List available builtins." );

	opt.addHelpOption('h', "help");
	opt.setNonOption( Bu::slot( this, &Options::nonOption ) );
	opt.parse( argc, argv );
}

int Options::version( Bu::StrArray aArgs )
{
	sio << "STAGE v" VERSION " - Simple, Textual, Adventure Game Environment."
		<< sio.nl << sio.nl;
	sio << "Full version: " FULLVER << sio.nl;
	sio << "Build date:   " TIMEVER << sio.nl;
	sio << "Build id:     " SHAVER << sio.nl;
	sio << sio.nl;
	exit( 0 );
	return 0;
}

int Options::builtins( Bu::StrArray aArgs )
{
	sio << "Current builtin functions:" << sio.nl;
	Game g;
	const Game::FunctionHash &hFnc = g.getFunctionHash();
	for( Game::FunctionHash::const_iterator i = hFnc.begin(); i; i++ )
	{
		sio << "  - " << i.getKey() << sio.nl;
	}
	sio << sio.nl;
	exit( 0 );
	return 0;
}

int Options::nonOption( Bu::Array<Bu::String> aArgs )
{
	sFile = aArgs[0];

	return 0;
}