#pragma once
#include <string>
#include <glm\glm.hpp>
#include <vector>
#include "Camera.h"
#include "Object.h"

class OpenGLController
{
public:
	static OpenGLController& getInstance(int oglMajor = 4, int oglMinor = 5);
	~OpenGLController();

private:
	OpenGLController() {};
	OpenGLController(int oglMajor, int oglMinor);

private:
	int iOglMajorVersion;
	int iOglMinorVersion;
	int iAntiAliasingLevel;
	std::string sWindowName;

	GLFWwindow* pWindow;

	int iWidth;
	int iHeight;


	GLuint gluiMatrixID;
	GLuint gluiSamplerID;

	glm::mat4 m4x4Model;
	glm::mat4 m4x4MVP;

	Camera* camera;
	Object* object;

	struct {
		double posX;
		double posY;
		bool leftHold;
		bool middleHold;
		bool rightHold;
		double speed;
	} stcMouse;


private:
	void initDefault();
	void processInit();
	void startGLFW();
	void startGLEW();
	void createWindow();
	void setCallbackFunctions();

public:
	glm::mat4 getMVPMatrix();
	GLFWwindow* getWindow() const;

	void resize(int width, int height);
	
	void addRotX(float value);
	void addRotY(float value);

	void addTransX(double value);
	void addTransY(double value);
	void addTransZ(double value);

	void updateScene();

};