@ECHO OFF
REM NWTOC.BAT - Network to Computer update script
REM Pulls software updates from network share to local C: drive
REM
REM Usage: NWTOC
REM
REM Updates these directories:
REM   T:\COMMON\ProdSW\*.bat ??? C:\BAT\
REM   T:\%MACHINE%\ProdSW\*.* ??? C:\BAT\ and C:\ATE\
REM   T:\COMMON\DOS\*.NEW ??? Staged for reboot
REM
REM Version: 1.0 - DOS 6.22 compatible
REM Last modified: 2026-01-19

REM ==================================================================
REM STEP 1: Verify machine name is set
REM ==================================================================

IF NOT "%MACHINE%"=="" GOTO CHECK_DRIVE

:NO_MACHINE
ECHO.
ECHO [ERROR] MACHINE variable not set
ECHO.
ECHO Set MACHINE in AUTOEXEC.BAT:
ECHO   SET MACHINE=TS-4R
ECHO.
ECHO Then reboot or run:
ECHO   SET MACHINE=TS-4R
ECHO   NWTOC
ECHO.
PAUSE Press any key to exit...
GOTO END

REM ==================================================================
REM STEP 2: Verify T: drive is accessible
REM ==================================================================

:CHECK_DRIVE
REM Test T: drive access by switching to it
DIR T:\ >nul
IF ERRORLEVEL 1 GOTO NO_T_DRIVE

REM Successfully switched to T:, go back to C:
C:

REM Double-check with NUL device test
IF NOT EXIST T:\*.* GOTO NO_T_DRIVE

GOTO START_UPDATE

:NO_T_DRIVE
C:
ECHO.
ECHO [ERROR] T: drive not available
ECHO.
ECHO Network drive T: must be mapped to \\D2TESTNAS\test
ECHO.
ECHO Run network startup:
ECHO   C:\NET\STARTNET.BAT
ECHO.
ECHO Or map manually:
ECHO   NET USE T: \\D2TESTNAS\test /YES
ECHO.
PAUSE Press any key to exit...
GOTO END

REM ==================================================================
REM STEP 3: Display update banner
REM ==================================================================

:START_UPDATE
ECHO.
ECHO ==============================================================
ECHO Update: %MACHINE% from Network
ECHO ==============================================================
ECHO Source: T:\COMMON and T:\%MACHINE%
ECHO Target: C:\BAT, C:\ATE, C:\NET
ECHO ==============================================================
ECHO.

REM ==================================================================
REM STEP 4: Check if update directories exist
REM ==================================================================

IF NOT EXIST T:\COMMON\NUL GOTO NO_COMMON
IF NOT EXIST T:\COMMON\ProdSW\NUL GOTO NO_PRODSW

REM Machine-specific directory is optional
IF NOT EXIST T:\%MACHINE%\NUL GOTO SKIP_MACHINE_CHECK
IF NOT EXIST T:\%MACHINE%\ProdSW\NUL GOTO SKIP_MACHINE_CHECK

GOTO UPDATE_BATCH_FILES

:NO_COMMON
ECHO [ERROR] T:\COMMON directory not found
ECHO.
ECHO Network share structure is incorrect.
ECHO Expected: T:\COMMON\ProdSW\
ECHO.
PAUSE Press any key to exit...
GOTO END

:NO_PRODSW
ECHO [ERROR] T:\COMMON\ProdSW directory not found
ECHO.
ECHO Update directory is missing.
ECHO Expected: T:\COMMON\ProdSW\*.bat
ECHO.
PAUSE Press any key to exit...
GOTO END

:SKIP_MACHINE_CHECK
ECHO [WARNING] T:\%MACHINE%\ProdSW not found - skipping machine-specific updates
ECHO.

REM ==================================================================
REM STEP 5: Update batch files from COMMON
REM ==================================================================

:UPDATE_BATCH_FILES
ECHO [1/4] Updating batch files from T:\COMMON\ProdSW...

REM Create C:\BAT directory if it doesn't exist
IF NOT EXIST C:\BAT\NUL MD C:\BAT

REM Backup existing batch files before update
ECHO       Creating backups (.BAK files)...
FOR %%F IN (C:\BAT\*.BAT) DO COPY %%F %%~dpnF.BAK >NUL 2>NUL

REM Copy newer batch files from COMMON
ECHO       Copying updated files...
XCOPY T:\COMMON\ProdSW\*.bat C:\BAT\ /D /Y /Q
IF ERRORLEVEL 4 GOTO UPDATE_ERROR_INIT
IF ERRORLEVEL 2 GOTO UPDATE_ERROR_USER
IF ERRORLEVEL 1 ECHO       [OK] No new batch files in COMMON
IF NOT ERRORLEVEL 1 ECHO       [OK] Batch files updated from COMMON

ECHO.

REM ==================================================================
REM STEP 6: Update machine-specific files
REM ==================================================================

ECHO [2/4] Updating machine-specific files from T:\%MACHINE%\ProdSW...

REM Check if machine-specific directory exists
IF NOT EXIST T:\%MACHINE%\ProdSW\NUL GOTO SKIP_MACHINE_FILES

REM Create directories if they don't exist
IF NOT EXIST C:\BAT\NUL MD C:\BAT
IF NOT EXIST C:\ATE\NUL MD C:\ATE

REM Copy batch files
ECHO       Copying batch files to C:\BAT...
FOR %%F IN (T:\%MACHINE%\ProdSW\*.BAT) DO COPY %%F C:\BAT\ /Y >NUL 2>NUL
IF NOT ERRORLEVEL 1 ECHO       [OK] Machine-specific batch files updated

REM Copy executables
ECHO       Copying programs to C:\ATE...
FOR %%F IN (T:\%MACHINE%\ProdSW\*.EXE) DO COPY %%F C:\ATE\ /Y >NUL 2>NUL
IF NOT ERRORLEVEL 1 ECHO       [OK] Machine-specific programs updated

REM Copy data files
ECHO       Copying data files to C:\ATE...
FOR %%F IN (T:\%MACHINE%\ProdSW\*.DAT) DO COPY %%F C:\ATE\ /Y >NUL 2>NUL
IF NOT ERRORLEVEL 1 ECHO       [OK] Machine-specific data files updated

GOTO CHECK_SYSTEM_FILES

:SKIP_MACHINE_FILES
ECHO       [SKIP] No machine-specific directory (T:\%MACHINE%\ProdSW)
ECHO.

REM ==================================================================
REM STEP 7: Check for system file updates
REM ==================================================================

:CHECK_SYSTEM_FILES
ECHO [3/4] Checking for system file updates...

REM Check if DOS directory exists
IF NOT EXIST T:\COMMON\DOS\NUL GOTO NO_SYSTEM_FILES

REM Check for AUTOEXEC.NEW
SET SYSUPD=0
IF EXIST T:\COMMON\DOS\AUTOEXEC.NEW SET SYSUPD=1
IF EXIST T:\COMMON\DOS\CONFIG.NEW SET SYSUPD=1

REM If no system updates, continue
IF "%SYSUPD%"=="0" GOTO NO_SYSTEM_FILES

REM System files need updating - stage them
ECHO       [FOUND] System file updates available
ECHO       Staging AUTOEXEC.BAT and/or CONFIG.SYS updates...
ECHO.

REM Copy staging files
IF EXIST T:\COMMON\DOS\AUTOEXEC.NEW COPY T:\COMMON\DOS\AUTOEXEC.NEW C:\AUTOEXEC.NEW >NUL
IF EXIST T:\COMMON\DOS\CONFIG.NEW COPY T:\COMMON\DOS\CONFIG.NEW C:\CONFIG.NEW >NUL

REM Call staging script
IF EXIST C:\BAT\STAGE.BAT GOTO CALL_STAGE

REM STAGE.BAT doesn't exist - warn user
ECHO       [WARNING] C:\BAT\STAGE.BAT not found
ECHO       System files copied to C:\AUTOEXEC.NEW and C:\CONFIG.NEW
ECHO       Manually copy these files after reboot:
ECHO         COPY C:\AUTOEXEC.NEW C:\AUTOEXEC.BAT
ECHO         COPY C:\CONFIG.NEW C:\CONFIG.SYS
ECHO.
GOTO UPDATE_COMPLETE

:CALL_STAGE
CALL C:\BAT\STAGE.BAT
GOTO END

:NO_SYSTEM_FILES
ECHO       [OK] No system file updates
ECHO.

REM ==================================================================
REM STEP 8: Update network client files (optional)
REM ==================================================================

ECHO [4/4] Checking for network client updates...

REM Check if NET directory exists on network
IF NOT EXIST T:\COMMON\NET\*.* GOTO NO_NET_FILES

REM Backup network client files
ECHO       Creating backups of C:\NET\...
FOR %%F IN (C:\NET\*.DOS) DO COPY %%F %%~dpnF.BAK >NUL 2>NUL

REM Copy newer network files
ECHO       Copying updated network files...
XCOPY T:\COMMON\NET\*.* C:\NET\ /D /Y /Q
IF NOT ERRORLEVEL 1 ECHO       [OK] Network client files updated
GOTO UPDATE_COMPLETE

:NO_NET_FILES
ECHO       [OK] No network client updates
ECHO.

REM ==================================================================
REM STEP 9: Update complete
REM ==================================================================

:UPDATE_COMPLETE
ECHO ==============================================================
ECHO Update Complete
ECHO ==============================================================
ECHO.
ECHO Files updated from:
ECHO   T:\COMMON\ProdSW       ??? C:\BAT
ECHO   T:\%MACHINE%\ProdSW    ??? C:\BAT and C:\ATE
ECHO.
ECHO Backup files (.BAK) created in C:\BAT
ECHO.
ECHO System file updates: %SYSUPD%
IF "%SYSUPD%"=="1" ECHO   [WARNING] Reboot required to apply system changes
IF "%SYSUPD%"=="1" ECHO   Run REBOOT command or press Ctrl+Alt+Del
ECHO.
GOTO END

REM ==================================================================
REM ERROR HANDLERS
REM ==================================================================

:UPDATE_ERROR_INIT
ECHO.
ECHO [ERROR] Update initialization failed
ECHO.
ECHO Possible causes:
ECHO - Insufficient memory
ECHO - Invalid path
ECHO - Target drive not accessible
ECHO.
PAUSE Press any key to exit...
GOTO END

:UPDATE_ERROR_USER
ECHO.
ECHO [ERROR] Update terminated by user (Ctrl+C)
ECHO.
ECHO Update may be incomplete!
ECHO Run NWTOC again to complete update.
ECHO.
PAUSE Press any key to exit...
GOTO END

REM ==================================================================
REM CLEANUP AND EXIT
REM ==================================================================

:END
REM Clean up environment variables
SET SYSUPD=