#ifndef _VERSIONHELPERS_H_INCLUDED_
#define _VERSIONHELPERS_H_INCLUDED_
#include <specstrings.h>

namespace DuiLib 
{
#define _WIN32_WINNT_NT4                    0x0400
#define _WIN32_WINNT_WIN2K                  0x0500
#define _WIN32_WINNT_WINXP                  0x0501
#define _WIN32_WINNT_WS03                   0x0502
#define _WIN32_WINNT_WIN6                   0x0600
#define _WIN32_WINNT_VISTA                  0x0600
#define _WIN32_WINNT_WS08                   0x0600
#define _WIN32_WINNT_LONGHORN               0x0600
#define _WIN32_WINNT_WIN7                   0x0601
#define _WIN32_WINNT_WIN8                   0x0602
#define _WIN32_WINNT_WINBLUE                0x0603
#define _WIN32_WINNT_WINTHRESHOLD           0x0A00 /* ABRACADABRA_THRESHOLD*/
#define _WIN32_WINNT_WIN10                  0x0A00 /* ABRACADABRA_THRESHOLD*/

	#define WM_DPICHANGED                   0x02E0

	static BOOL IsWindowsVersionOrGreater(WORD wMajorVersion, WORD wMinorVersion, WORD wServicePackMajor)
	{
		OSVERSIONINFOEXW osvi = { sizeof(osvi), 0, 0, 0, 0, {0}, 0, 0 };
		DWORDLONG const dwlConditionMask = VerSetConditionMask(VerSetConditionMask(VerSetConditionMask(0, VER_MAJORVERSION, VER_GREATER_EQUAL), VER_MINORVERSION, VER_GREATER_EQUAL), VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL);
		osvi.dwMajorVersion = wMajorVersion;
		osvi.dwMinorVersion = wMinorVersion;
		osvi.wServicePackMajor = wServicePackMajor;
		return VerifyVersionInfoW(&osvi, VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR, dwlConditionMask) != FALSE;
	}

	static BOOL IsWindowsXPOrGreater()
	{
		return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WINXP), LOBYTE(_WIN32_WINNT_WINXP), 0);
	}

	static BOOL IsWindowsXPSP1OrGreater()
	{
		return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WINXP), LOBYTE(_WIN32_WINNT_WINXP), 1);
	}

	static BOOL IsWindowsXPSP2OrGreater()
	{
		return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WINXP), LOBYTE(_WIN32_WINNT_WINXP), 2);
	}

	static BOOL IsWindowsXPSP3OrGreater()
	{
		return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WINXP), LOBYTE(_WIN32_WINNT_WINXP), 3);
	}

	static BOOL IsWindowsVistaOrGreater()
	{
		return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_VISTA), LOBYTE(_WIN32_WINNT_VISTA), 0);
	}

	static BOOL IsWindowsVistaSP1OrGreater()
	{
		return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_VISTA), LOBYTE(_WIN32_WINNT_VISTA), 1);
	}

	static BOOL IsWindowsVistaSP2OrGreater()
	{
		return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_VISTA), LOBYTE(_WIN32_WINNT_VISTA), 2);
	}

	static BOOL IsWindows7OrGreater()
	{
		return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WIN7), LOBYTE(_WIN32_WINNT_WIN7), 0);
	}

	static BOOL IsWindows7SP1OrGreater()
	{
		return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WIN7), LOBYTE(_WIN32_WINNT_WIN7), 1);
	}

	static BOOL IsWindows8OrGreater()
	{
		return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WIN8), LOBYTE(_WIN32_WINNT_WIN8), 0);
	}

	static BOOL IsWindows8Point1OrGreater()
	{
		return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WINBLUE), LOBYTE(_WIN32_WINNT_WINBLUE), 0);
	}

	static BOOL IsWindowsThresholdOrGreater()
	{
		return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WINTHRESHOLD), LOBYTE(_WIN32_WINNT_WINTHRESHOLD), 0);
	}

	static BOOL IsWindows10OrGreater()
	{
		return IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WINTHRESHOLD), LOBYTE(_WIN32_WINNT_WINTHRESHOLD), 0);
	}

	static BOOL IsWindowsServer()
	{
		OSVERSIONINFOEXW osvi = { sizeof(osvi), 0, 0, 0, 0, {0}, 0, 0, 0, VER_NT_WORKSTATION };
		DWORDLONG const dwlConditionMask = VerSetConditionMask(0, VER_PRODUCT_TYPE, VER_EQUAL);
		return !VerifyVersionInfoW(&osvi, VER_PRODUCT_TYPE, dwlConditionMask);
	}
}
#endif // _VERSIONHELPERS_H_INCLUDED_