#pragma once

#include <windows.h>

#include <string>

class HiddenGlWindow
{
public:
	HiddenGlWindow() = default;
	HiddenGlWindow(const HiddenGlWindow&) = delete;
	HiddenGlWindow& operator=(const HiddenGlWindow&) = delete;
	~HiddenGlWindow();

	bool Create(unsigned width, unsigned height, std::string& error);
	bool CreateShared(unsigned width, unsigned height, HDC sharedDeviceContext, HGLRC sharedContext, std::string& error);
	bool MakeCurrent() const;
	void ClearCurrent() const;
	void Destroy();

	HDC DeviceContext() const { return mDc; }
	HGLRC Context() const { return mGlrc; }

private:
	static LRESULT CALLBACK WindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);

	HINSTANCE mInstance = nullptr;
	HWND mWindow = nullptr;
	HDC mDc = nullptr;
	HGLRC mGlrc = nullptr;
	ATOM mClassAtom = 0;
};