#include <CtrlLib/CtrlLib.h>

using namespace Upp;

#ifndef WIN32
#error Sorry, but this program is only available for Windows at this time.
#endif

struct App : TrayIcon {
    typedef App CLASSNAME;
	
	bool IsSystemThemeDark(){
		return !GetWinRegInt("AppsUseLightTheme", "Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize", HKEY_CURRENT_USER);
	}
	
	void SetDarkTheme(){
		SetWinRegInt(0, "SystemUsesLightTheme", "Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize", HKEY_CURRENT_USER);
		SetWinRegInt(0, "AppsUseLightTheme", "Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize", HKEY_CURRENT_USER);
		SetWinRegInt(0, "AccentColorMenu", "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Accent", HKEY_CURRENT_USER);
		Sleep(500);
		SetWinRegInt(0xff1d3f58, "AccentColorMenu", "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Accent", HKEY_CURRENT_USER);
	}
	
	void SetLightTheme(){
		SetWinRegInt(1, "SystemUsesLightTheme", "Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize", HKEY_CURRENT_USER);
		SetWinRegInt(1, "AppsUseLightTheme", "Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize", HKEY_CURRENT_USER);
		SetWinRegInt(0, "AccentColorMenu", "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Accent", HKEY_CURRENT_USER);
		Sleep(500);
		SetWinRegInt(0xff1d3f58, "AccentColorMenu", "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Accent", HKEY_CURRENT_USER);
	}
	
	virtual void LeftUp() {
		if(IsSystemThemeDark()) SetLightTheme();
		else SetDarkTheme();
	}

	virtual void Menu(Bar& bar) {
		bool dark = IsSystemThemeDark();
		bar.Add("Light", [=](){ SetLightTheme(); }).Check(!dark);
		bar.Add("Dark", [=](){ SetDarkTheme(); }).Check(dark);
		bar.Separator();
		bar.Add("Exit", [=](){ Break(); });
	}

	App() {
		Icon(Image::Hand());
	}
};

GUI_APP_MAIN
{
	Ctrl::SetDarkThemeEnabled(true);
#if (UPP_VERSION>=0x20241100)
	Ctrl::SkinChangeSensitive(true);
#endif
	App().Run();
}