@echo off
setlocal EnableExtensions EnableDelayedExpansion

rem ============================================================
rem Mirror specific folders from A (AvatarBase) to B (this repo)
rem - Works relative to this .bat location
rem - Wipes extras in destination (/MIR)
rem - Logs removed extras (shown as *EXTRA File / *EXTRA Dir)
rem - Pauses before exit so console stays open
rem ============================================================

rem Destination root is the folder where this script lives
set "DST_ROOT=%~dp0"
if "%DST_ROOT:~-1%"=="\" set "DST_ROOT=%DST_ROOT:~0,-1%"

rem Source root relative to this script
set "SRC_ROOT=%DST_ROOT%\..\..\AvatarBase\Unreal"

rem Canonicalize paths
for %%I in ("%SRC_ROOT%") do set "SRC_ROOT=%%~fI"
for %%I in ("%DST_ROOT%") do set "DST_ROOT=%%~fI"

echo ============================================================
echo Robocopy Sync Script
echo ============================================================
echo Source:      %SRC_ROOT%
echo Destination: %DST_ROOT%
echo ============================================================
echo.

rem Guard: only intended for subprojects
if /I "%SRC_ROOT%"=="%DST_ROOT%" (
  echo ERROR: Source and destination are identical:
  echo   %SRC_ROOT%
  echo This sync script is intended to be run from subprojects only.
  echo.
  pause
  exit /b 1
)

if not exist "%SRC_ROOT%\" (
  echo ERROR: Source root does not exist:
  echo   %SRC_ROOT%
  echo.
  pause
  exit /b 2
)

rem Timestamped log file
for /f %%I in ('powershell -NoProfile -Command "Get-Date -Format yyyyMMdd_HHmmss"') do set "TS=%%I"
set "LOG_FILE=%DST_ROOT%\robocopy_sync_%TS%.log"

rem List of folders to mirror
set "FOLDERS=Plugins\AvatarCore_AI Plugins\AvatarCore_Manager Plugins\AvatarCore_MetaHuman Plugins\AvatarCore_STT Plugins\AvatarCore_TTS Plugins\BLogger Plugins\BSettings Plugins\BTools Plugins\RuntimeMetaHumanLipSync_5.6 Content\Project"

set "ANY_FAIL=0"

for %%F in (%FOLDERS%) do (
  set "SRC=%SRC_ROOT%\%%F"
  set "DST=%DST_ROOT%\%%F"

  echo ------------------------------------------------------------
  echo Mirroring: %%F
  echo   FROM: !SRC!
  echo   TO:   !DST!
  echo ------------------------------------------------------------

  if not exist "!SRC!\" (
    echo WARNING: Source folder missing, skipping: !SRC!
    echo WARNING: Source folder missing, skipping: !SRC!>>"%LOG_FILE%"
    echo.>>"%LOG_FILE%"
    pause
    goto :continue
  )

  if not exist "!DST!\" (
    mkdir "!DST!" 2>nul
  )

  robocopy "!SRC!" "!DST!" /MIR /DCOPY:DAT /COPY:DAT /R:2 /W:1 /FFT /Z /NP /FP /TS /TEE /LOG+:"%LOG_FILE%"
  set "RC=!ERRORLEVEL!"

  if !RC! GEQ 8 (
    echo ERROR: Robocopy reported failure for %%F (exit code !RC!)
    set "ANY_FAIL=1"
  )

  echo.>>"%LOG_FILE%"

  :continue
)

echo ============================================================
echo Sync finished.
echo Review log for removed files marked as:
echo   *EXTRA File
echo   *EXTRA Dir
echo.
echo Log file:
echo   %LOG_FILE%
echo ============================================================

if "%ANY_FAIL%"=="1" (
    echo Log file:
    echo   %LOG_FILE%
    echo.
    pause
    exit /b 8
)
pause
exit /b 0