setlocal enabledelayedexpansion
CALL %~dp0\..\conf\adm\conf.bat

SET /A SYNC_IN_PROGRESS=0
SET /A RUN_ON_SHUTDOWN=0

REM exit if another sync is running
reg query "HKLM\Software\FWS\Updates" /v SyncInProgress 1>NUL 2>NUL
IF %ERRORLEVEL% EQU 0 (
  FOR /F "tokens=3" %%A IN ('reg query "HKLM\Software\FWS\Updates" /v SyncInProgress') DO SET /A SYNC_IN_PROGRESS=%%A
)
IF %SYNC_IN_PROGRESS% EQU 1 goto :EOF

REM or if updates are already scheduled for next shutdown
reg query "HKLM\Software\FWS\Updates\User" /v RunOnShutdown 1>NUL 2>NUL
IF %ERRORLEVEL% EQU 0 FOR /F "tokens=3" %%A IN ('reg query "HKLM\Software\FWS\Updates\User" /v RunOnShutdown') DO SET /A RUN_ON_SHUTDOWN=%%A
IF %RUN_ON_SHUTDOWN% EQU 0 (
  reg query "HKLM\Software\FWS\Updates" /v RunOnShutdown 1>NUL 2>NUL
  IF %ERRORLEVEL% EQU 0 FOR /F "tokens=3" %%A IN ('reg query "HKLM\Software\FWS\Updates" /v RunOnShutdown') DO SET /A RUN_ON_SHUTDOWN=%%A
)
IF %RUN_ON_SHUTDOWN% EQU 1 (
  echo %DATE% %TIME% - Updates already scheduled on next shutdown >  %SystemDrive%\FWSUpdates\status\sync_log.txt
  goto :EOF
)

REM remove the lock during startup so it'll work if rebooting during a sync
reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce" /v ResetWPKGSyncStatus /t REG_SZ /d "%SYSTEMROOT%\System32\reg.exe delete \"HKLM\Software\FWS\Updates\" /v SyncInProgress /f" /f

REM Now start the sync
echo %DATE% %TIME% - Starting new Sync >  %SystemDrive%\FWSUpdates\status\sync_log.txt
reg add "HKLM\Software\FWS\Updates" /v SyncInProgress /t REG_DWORD /d 1 /f

REM Lets map a network drive
SET DRIVE=unknown
FOR %%D IN (e f g h i j k l m n o p q r s t u v w x y z) do (
  cd %%D:
  IF ERRORLEVEL 1 SET DRIVE=%%D
  IF ERRORLEVEL 1 goto drivefound
)
echo %DATE% %TIME% - couldn't find any free drive letter >  %SystemDrive%\FWSUpdates\status\sync_log.txt
goto :EOF
:drivefound
net use %DRIVE%: %REPO_SMB% /PERSISTENT:NO /USER:%USER% %PASS% 1>NUL 2>NUL
REM Check if mapping worked
IF %ERRORLEVEL% NEQ 0 (
  echo %DATE% %TIME% - Error mapping %REPO_SMB% (using CIFS^), lets try webdav >> %SystemDrive%\FWSUpdates\status\sync_log.txt
  net use %DRIVE%: %REPO_WEB% /PERSISTENT:NO /USER:%USER% %PASS% 1>NUL 2>NUL
  IF !ERRORLEVEL! NEQ 0 (
    echo %DATE% %TIME% - Error mapping %REPO_WEB% (using WEBDAV^), giving up >> %SystemDrive%\FWSUpdates\status\sync_log.txt
    goto cleanup
  )
)
REM and if wpkg.js exists
IF NOT EXIST "%DRIVE%:\wpkg.js" (
  echo %DATE% %TIME% - %DRIVE%:\wpkg.js not found >> %SystemDrive%\FWSUpdates\status\sync_log.txt
  goto cleanup
)
REM Then Mirror the content of the repository on the local drive
robocopy /MIR /R:10 /LOG:%SystemDrive%\FWSUpdates\status\log_robocopy.txt %DRIVE%:\ %SystemDrive%\FWSUpdates\repository\ 1>NUL 2>NUL


REM Now, we have to check the exit status of the robocopy command
REM Fatal Error
if %ERRORLEVEL% EQU 16 (
  echo %DATE% %TIME% - Robocopy exited with status %ERRORLEVEL% >> %SystemDrive%\FWSUpdates\status\sync_log.txt
  goto xfererror
)
REM Copy done, with errors, mismatches and new files not copied
if %ERRORLEVEL% EQU 15 (
  echo %DATE% %TIME% - Robocopy exited with status %ERRORLEVEL% >> %SystemDrive%\FWSUpdates\status\sync_log.txt
  goto xfererror
)
REM Copy failed, with mismatches and new files not copied
if %ERRORLEVEL% EQU 14 (
  echo %DATE% %TIME% - Robocopy exited with status %ERRORLEVEL% >> %SystemDrive%\FWSUpdates\status\sync_log.txt
  goto xfererror
)
REM Copy done, with errors and mismatches
if %ERRORLEVEL% EQU 13 (
  echo %DATE% %TIME% - Robocopy exited with status %ERRORLEVEL% >> %SystemDrive%\FWSUpdates\status\sync_log.txt
  goto xfererror
)
REM Copy failed with mismatches
if %ERRORLEVEL% EQU 12 (
  echo %DATE% %TIME% - Robocopy exited with status %ERRORLEVEL% >> %SystemDrive%\FWSUpdates\status\sync_log.txt
  goto :xfererror
)
REM Copy done with errors and new files not copied
if %ERRORLEVEL% EQU 11 (
  echo %DATE% %TIME% - Robocopy exited with status %ERRORLEVEL% >> %SystemDrive%\FWSUpdates\status\sync_log.txt
  goto :xfererror
)
if %ERRORLEVEL% EQU 10 (
  echo %DATE% %TIME% - Robocopy exited with status %ERRORLEVEL% >> %SystemDrive%\FWSUpdates\status\sync_log.txt
  goto xfererror
)
REM Copy done with errors
if %ERRORLEVEL% EQU 9 (
  echo %DATE% %TIME% - Robocopy exited with status %ERRORLEVEL% >> %SystemDrive%\FWSUpdates\status\sync_log.txt
  goto xfererror
)
REM Copy failed
if %ERRORLEVEL% EQU 8 (
  echo %DATE% %TIME% - Robocopy exited with status %ERRORLEVEL% >> %SystemDrive%\FWSUpdates\status\sync_log.txt
  goto xfererror
)
REM Copy done, with mismatches and new files not copied
if %ERRORLEVEL% EQU 7 (
  echo %DATE% %TIME% - Robocopy exited with status %ERRORLEVEL% >> %SystemDrive%\FWSUpdates\status\sync_log.txt
  goto xfererror
)
REM Mismatches and new files not copied
if %ERRORLEVEL% EQU 6 (
  echo %DATE% %TIME% - Robocopy exited with status %ERRORLEVEL% >> %SystemDrive%\FWSUpdates\status\sync_log.txt
  goto xfererror
)
REM Copy done with mismatches
if %ERRORLEVEL% EQU 5 (
  echo %DATE% %TIME% - Robocopy exited with status %ERRORLEVEL% >> %SystemDrive%\FWSUpdates\status\sync_log.txt
  goto :xfererror
)
REM Mismatches
if %ERRORLEVEL% EQU 4 (
  echo %DATE% %TIME% - Robocopy exited with status %ERRORLEVEL% >> %SystemDrive%\FWSUpdates\status\sync_log.txt
  goto xfererror
)
REM Copy done, new files detected
if %ERRORLEVEL% EQU 3 goto postcopy
REM New files detected
if %ERRORLEVEL% EQU 2 goto postcopy
REM Copy done, we have new files, updates available
if %ERRORLEVEL% EQU 1 goto postcopy
REM No error, nothing copied, no updates
if %ERRORLEVEL% EQU 0 goto postcopy

:xfererror
echo %DATE% %TIME% - Error occured during sync. See log_robocopy.txt for details >> %SystemDrive%\FWSUpdates\status\sync_log.txt
goto cleanup

:postcopy
echo %DATE% %TIME% - Copy finished successfuly, now checking if changes must be applied >> %SystemDrive%\FWSUpdates\status\sync_log.txt
REM FOR /F %%A IN ('cscript %SystemDrive%\FWSUpdates\repository\wpkg.js /query:m ^| find /V "productkey" ^| find /C "ID:"') DO SET /A CHANGES=%%A
SET /A CHANGES=0
SET LIST=
FOR /F "tokens=2 delims= " %%A IN ('cscript %SystemDrive%\FWSUpdates\repository\wpkg.js /query:m ^| find /V "productkey" ^| find "ID:"') DO (
  IF !CHANGES! EQU 0 (
    SET LIST=%%A
  ) ELSE (
    SET LIST=!LIST!,%%A
  )
  SET /A CHANGES=!CHANGES!+1
)
echo %DATE% %TIME% - Found %CHANGES% changes >> %SystemDrive%\FWSUpdates\status\sync_log.txt
FOR /F "delims=" %%A in ('cscript /nologo %~dp0\now.vbs') DO SET /A NOW=%%A

reg add "HKLM\Software\FWS\Updates" /v PendingChanges /t REG_DWORD /d %CHANGES% /f
reg add "HKLM\Software\FWS\Updates" /v PendingChangesList /t REG_SZ /d "%LIST%" /f

IF %CHANGES% GTR 0 (
  reg query "HKLM\Software\FWS\Updates" /v ChangesAvailableSince 1>NUL 2>NUL
  IF ERRORLEVEL 1 (
    reg add "HKLM\Software\FWS\Updates" /v ChangesAvailableSince /t REG_DWORD /d %NOW% /f
	SET /A SINCE=%NOW%
	SET /A MAX=%SINCE%+%MAX_REPORT%*86400
  ) ELSE (
    FOR /F %%A IN ('reg query "HKLM\Software\FWS\Updates" /v ChangesAvailableSince') DO SET /A SINCE=%%A
    SET /A MAX=%SINCE%+%MAX_REPORT%
    IF %NOW% GTR %MAX% add "HKLM\Software\FWS\Updates" /v RunOnShutdown /t REG_DWORD /d 1 /f
  )
  SET /A DELTA=%NOW%-%SINCE%
  goto copylogs
) ELSE (
  reg delete "HKLM\Software\FWS\Updates" /v ChangesAvailableSince /f
  goto copylogs
)

:copylogs
REM map another network drive to push logs
SET LOGDRIVE=unknown
FOR %%D IN (e f g h i j k l m n o p q r s t u v w x y z) do (
  cd %%D:
  IF ERRORLEVEL 1 SET LOGDRIVE=%%D
  IF ERRORLEVEL 1 goto logdrivefound
)
echo %DATE% %TIME% - couldn't find any free drive letter for logs >  %SystemDrive%\FWSUpdates\status\sync_log.txt
goto :EOF

:logdrivefound
net use %LOGDRIVE%: %LOGS% /PERSISTENT:NO /USER:%USER% %PASS% 1>NUL 2>NUL
REM Check if mapping worked
IF %ERRORLEVEL% NEQ 0 (
  echo %DATE% %TIME% - Error mapping %LOGS% >> %SystemDrive%\FWSUpdates\status\sync_log.txt
  goto cleanup
)
IF NOT EXIST "%LOGDRIVE%:\keys" mkdir "%LOGDRIVE%:\keys"
IF NOT EXIST "%LOGDRIVE%:\logs" mkdir "%LOGDRIVE%:\logs"
IF NOT EXIST "%LOGDRIVE%:\databases" mkdir "%LOGDRIVE%:\databases"
IF EXIST "%SystemDrive\FWSUpdates\prodkeys\%COMPUTERNAME%.txt" copy /Y "%SystemDrive\FWSUpdates\prodkeys\%COMPUTERNAME%.txt" "%LOGDRIVE%:\keys"
IF EXIST "%TEMP%\wpkg-%COMPUTERNAME%.log" copy /Y "%TEMP%\wpkg-%COMPUTERNAME%.log" "%LOGDRIVE%:\logs\%COMPUTERNAME%.log"
IF EXIST "%SYSTEMROOT%\system32\wpkg.xml" copy /Y "%SYSTEMROOT%\system32\wpkg.xml" "%LOGDRIVE%:\databases\%COMPUTERNAME%.xml"
net use /D %LOGDRIVE%: 1>NUL 2>NUL
goto cleanup

:cleanup
reg delete "HKLM\Software\FWS\Updates" /v SyncInProgress /f
net use /D %DRIVE%: 1>NUL 2>NUL