/* Copyright 2005 Nicholas Bishop
 * 
 * This file is part of SharpConstruct.
 *
 * SharpConstruct is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * SharpConstruct is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with SharpConstruct; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

#include "Preferences.h"
#include <cstdlib>
#include <fstream>

using namespace SharpConstruct;

Preferences::~Preferences()
{}

Preferences& Preferences::Instance()
{
	static Preferences instance;
	return instance;
}

std::string Preferences::Get( std::string name, std::string def )
{
	Map::iterator i = _settings.find( name );

	if( i == _settings.end() )
		return def;
	else
		return ( *i ).second;
}

void Preferences::Set( std::string name, std::string value )
{
	_settings[ name ] = value;

	std::string path = getenv( "HOME" );
	path += "/.sharpconstruct/settings";
	std::ofstream file( path.c_str(), std::ios::out );
	for( Map::iterator i = _settings.begin(); i != _settings.end(); i++ )
		file << ( *i ).first << " " << ( *i ).second << std::endl;
}

void Preferences::Set( std::string name, int value )
{
	std::ostringstream tmp;
	tmp << value;
	Set( name, tmp.str() );
}
void Preferences::Set( std::string name, float value )
{
	std::ostringstream tmp;
	tmp << value;
	Set( name, tmp.str() );
}

Preferences::Preferences()
{
	std::string key, value, path = getenv( "HOME" );
	path += "/.sharpconstruct";
	std::ifstream file( ( path + "/settings" ).c_str(), std::ios::in );
	if( file )
	{
		while( !file.eof() )
		{
			file >> key >> value;
			_settings[ key ] = value;
		}
	}
	else
	{
		std::string tmp = "mkdir -p ";
		tmp += path;
		system( tmp.c_str() );
	}
}