/*
 * parameterfile.h
 *
 *  Created on: Jul 19, 2011
 *      Author: muecklgr_local
 */

#ifndef GLTB_PARAMETERFILE_H_
#define GLTB_PARAMETERFILE_H_

#include <map>
#include <string>

#ifdef USE_GLM
#include <sstream>
#include "glm/glm.hpp"
#endif

#include "GLTB/referencedobject.h"

namespace gltb {
	class ParameterFile : public ReferencedObject {
		public:
			ParameterFile() {};
			ParameterFile(std::string filename);

			bool getBool(std::string paramName, bool defaultValue);
			void setBool(std::string paramName, bool value);

			int getInt(std::string paramName, int defaultValue);
			void setInt(std::string paramName, int value);

			float getFloat(std::string paramName, float defaultValue);
			void setFloat(std::string paramName, float value);

#ifdef USE_GLM
			template<typename tvec2>
			void setVector2D(std::string paramName, tvec2 value)
			{
				std::ostringstream temp;
				temp << value.x << " " << value.y;
				paramMap[paramName]=temp.str();
			}

			template<typename valueType>
			glm::tvec2<valueType, glm::defaultp> getVector2D(std::string paramName, glm::tvec2<valueType, glm::defaultp> defaultValue)
			{
				if(paramMap.find(paramName)==paramMap.end()) {
					return defaultValue;
				}

				std::istringstream temp(paramMap[paramName]);
				glm::tvec2<valueType, glm::defaultp> result;
				temp >> result.x >> result.y;
				return result;
			}

			template<typename valueType>
			glm::tvec3<valueType, glm::defaultp> getVector3D(std::string paramName, glm::tvec3<valueType, glm::defaultp> defaultValue)
			{
				if(paramMap.find(paramName)==paramMap.end()) {
					return defaultValue;
				}

				std::istringstream temp(paramMap[paramName]);
				glm::tvec3<valueType, glm::defaultp> result;
				temp >> result.x >> result.y >> result.z;
				return result;
			}

			template<typename valueType>
			void setVector3D(std::string paramName, glm::tvec3<valueType, glm::defaultp> value)
			{
				std::ostringstream temp;
				temp << value.x << " " << value.y << " " << value.z;
				paramMap[paramName]=temp.str();
			}


			template<typename valueType>
			glm::tvec3<valueType, glm::defaultp> getVector4D(std::string paramName, glm::tvec4<valueType, glm::defaultp> defaultValue)
			{
				if(paramMap.find(paramName)==paramMap.end()) {
					return defaultValue;
				}

				std::istringstream temp(paramMap[paramName]);
				glm::tvec4<valueType, glm::defaultp> result;
				temp >> result.x >> result.y >> result.z >> result.w;
				return result;
			}

			template<typename valueType>
			void setVector4D(std::string paramName, glm::tvec4<valueType, glm::defaultp> value)
			{
				std::ostringstream temp;
				temp << value.x << " " << value.y << " " << value.z << " " << value.w;
				paramMap[paramName]=temp.str();
			}
#endif

			std::string getString(std::string paramName, std::string defaultValue);
			void setString(std::string paramName, std::string value);

			void saveFile(std::string filename);

		private:
			void parseFile(const char *filename);

			std::map<std::string,std::string> paramMap;
	};
}

#endif /* GLTB_PARAMETERFILE_H_ */