#pragma once
#include <string>
#include <map>

class ShaderLoader {

public:
	static void				Create();
	static void				Destroy();
	static ShaderLoader*	Instance();
	unsigned				LoadShader(const char* vertexFileName = "Shader.vert", const char* fragmentFileName = "Shader.frag", const std::map<std::string, std::string> additionalProperties = std::map<std::string, std::string>());

	void					SetShaderPath(std::string shaderPath);
	std::string				GetShaderPath();
protected:

private:
	ShaderLoader();
	~ShaderLoader();
	void					ParseProperties(std::string &line, char delimiter, const std::map<std::string, std::string> additionalProperties = std::map<std::string, std::string>());

	static ShaderLoader*	mInstance;

	std::string				mShaderPath;

	bool					verbose;
};