@echo off
setlocal EnableExtensions EnableDelayedExpansion

if "%~1"=="" goto help

set "INPUT=%~1"
set "EXT=%~x1"
set "PATH=%PATH%;%~dp0"

if /I not "%EXT%"==".pptx" (
    echo [ERROR] Only .pptx supported
    pause
    exit /b 1
)

echo [INFO] Compressing %~n1

rem optional: ensure correct working dir
pushd "%~dp0"

"%~dp0pptx-image-compress.exe" -i "%INPUT%"
set RC=%ERRORLEVEL%

popd

if %RC% neq 0 (
    echo [ERROR] Failed (%RC%)
) else (
    echo [SUCCESS] Done
)

pause
exit /b %RC%

:help
echo.
echo Drag ^& Drop a .pptx file onto this script
echo.
pause