/*
 * nonlimitedSynth
 *
 * Copyright (c) 2007-2008 Karsten Krispin
 * 
 * This program 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.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
 
#ifndef INCLUDED_CONFIGURATION_H
#define INCLUDED_CONFIGURATION_H

#include "common.h"
#include "Configuration/Base/ConfigurationNode.h"
#include "Configuration/Nodes/Nodes.h"

#include <QtXml/QtXml>


/**
 * @brief Provides global configuration properties
 * @ingroup Configuration 
 * @todo replace internal structures with ConfigurationNode derived from SynthObject
 * @nosubgrouping
 */
class Configuration : public ConfigurationNode
{
	
	public:
		
	public:
		Configuration();
		~Configuration();
	
		DefaultsMap * classDefaults(QString className);
		DefaultsMap * classDefaults(QString topLevelClass, QList<QString> classNames);
		DefaultsMap * fiducialDefaults(unsigned int fid, QList<QString> classNames);
		

	static Configuration * instance()
	{
		if(!_configInstance)
			_configInstance = new Configuration;
		return _configInstance;
	}
	
	void clear();
	
	
	ObjectName objectName() { return "Config: Configuration"; }
	
	private:
		
		static Configuration * _configInstance;
		
		/* Fiducials */
		
		QHash<QString, QHash<QString, QString> > _classDefaults;
		QHash<QString, DefaultsMap*> _cachedClassDefaults;
		
		
		
	public:
		
	/**
	 * shortcut to audio configuration
	 */
	class Audio
	{
	
		public:
			static int sampleRate(int def = 48000)
			{
				return Configuration::instance()->node("audio").attributeAsInt("sampleRate", def);
			}
			
			static int hopSize(int def = 256)
			{
				return Configuration::instance()->node("audio").attributeAsInt("hopSize", def);
			}

			static int bufferSize(int def = 1024)
			{
				return Configuration::instance()->node("audio").attributeAsInt("bufferSize", def);
			}
			
			/**
			* @brief name of the device to open
			*/
			static AttributeValue device(QString def = "default")
			{
				return Configuration::instance()->node("audio").attribute("device", def);
			}
		
			/**
			* @returns the number of inputs to be opened
			*/
			static int inputs(int def = 0)
			{ 
				return Configuration::instance()->node("audio").attributeAsInt("inputs", def);
			}

			/**
			* @returns the number of outputs to be opened
			*/
			static int outputs(int def = 2)
			{
				return Configuration::instance()->node("audio").attributeAsInt("outputs", def);
			}
			
			static ConfigurationNode & node()
			{
				return Configuration::instance()->node("audio");
			}
	
	};
	
	/**
	 * shortcut to video configuration
	 */
	class Video
	{
		public:
			static int width()
			{
				return Configuration::instance()->node("video").attributeAsInt("width", 1024);
			}
			
			static int height()
			{
				return Configuration::instance()->node("video").attributeAsInt("height", 768);
			}

			static qreal tangibleScale()
			{
				return Configuration::instance()->node("video").attributeAsDouble("tangibleScale", 0.1);
			}

	};
	
};


#endif