@echo off
setlocal EnableDelayedExpansion

:: -------------------------------------------------
:: Admin privilege check (ALWAYS keep window open)
:: -------------------------------------------------
net session >nul 2>&1
if %errorLevel% neq 0 (
    powershell -Command "Start-Process '%~f0' -Verb RunAs"
    exit /b
)

:: ================= Admin mode =================
echo =====================================
echo Firewall port open check (Admin)
echo =====================================
echo.

set RESULT=0

call :OPEN_PORT 16000 RS_Port_16000

echo =====================================
echo Summary:
echo   Port 16000 : !RESULT_16000!
echo =====================================

if "%RESULT%"=="0" (
    echo ALL PORTS OK
) else (
    echo SOME PORTS FAILED
)

echo.
echo You can close this window manually.
pause >nul
goto :EOF

:: -------------------------------------------------
:: Subroutine
:: -------------------------------------------------
:OPEN_PORT
set PORT=%1
set RULENAME=%2
set STATUS=UNKNOWN

echo ---- Port %PORT% ----

netsh advfirewall firewall show rule name="%RULENAME%" >nul 2>&1
if %errorLevel%==0 (
    set STATUS=ALREADY_EXISTS
    echo Result : ALREADY EXISTS
    goto SET_RESULT
)

netsh advfirewall firewall add rule ^
 name="%RULENAME%" ^
 dir=in action=allow protocol=TCP localport=%PORT% >nul 2>&1

netsh advfirewall firewall show rule name="%RULENAME%" >nul 2>&1
if %errorLevel%==0 (
    set STATUS=SUCCESS
    echo Result : SUCCESS
) else (
    set STATUS=FAILED
    echo Result : FAILED
    set RESULT=1
)

:SET_RESULT
if "%PORT%"=="16000" set RESULT_16000=%STATUS%
echo.
goto :EOF