RUN.cmd

@echo off
:: ============================================================
:: stoneChat launcher (RUN.cmd)
:: Pure-CMD, no PowerShell / no wmic dependencies.
:: Verifies the runtime environment before starting PHP.
:: ============================================================

setlocal DisableDelayedExpansion


cd /d "%~dp0"

set "SC_SOURCE_PATH=%CD%"
echo(%SC_SOURCE_PATH%| findstr /C:"!" >nul
if not errorlevel 1 (
    echo.
    echo [FAIL] Current stoneChat path contains an exclamation mark !.
    echo        CMD delayed expansion cannot safely run from this path.
    echo        Move stoneChat to a path without ! and run RUN.cmd again.
    echo.
    pause
    endlocal
    exit /b 1
)

set "STUNNEL_PATH=C:\Program Files\stunnel\bin\stunnel.exe"
if exist "%~dp0CONF.ini" (
    for /f "usebackq eol=; tokens=1,* delims==" %%a in ("%~dp0CONF.ini") do (
        for /f "tokens=* delims= " %%k in ("%%a") do (
            if /i "%%k"=="stunnel" (
                for /f "tokens=* delims= " %%s in ("%%b") do set "STUNNEL_PATH=%%s"
            )
        )
    )
)
echo(%STUNNEL_PATH%| findstr /C:"!" >nul
if not errorlevel 1 (
    echo.
    echo [FAIL] Stunnel path contains an exclamation mark !.
    echo        CMD delayed expansion cannot safely use that path.
    echo        Install stunnel in a folder without !, or edit CONF.ini.
    echo.
    pause
    endlocal
    exit /b 1
)

setlocal EnableDelayedExpansion

echo.
echo ============================================================
echo   stoneChat launcher
echo ============================================================
echo.

set "ERR_COUNT=0"
set "PHP_OK=0"
set "PORT_OK=0"
set "CONF_OK=0"
set "STUNNEL_OK=0"
set "CACERT_OK=0"
set "HISTORY_OK=0"
set "WIN_BUILD=0"
set "SC_MODERN=0"

:: ------------------------------------------------------------
:: 1. PHP 5.4 or later in PATH
:: ------------------------------------------------------------
echo [ 1/7] PHP 5.4 or later in PATH...
php -v >nul 2>&1
if errorlevel 1 (
    echo        [FAIL] PHP not found in PATH.
    echo               Install PHP 5.4+ and add php.exe to PATH.
    echo               ^(5.4+ is required for the built-in web server "php -S"^)
    echo               Download: https://windows.php.net/downloads/releases/archives/php-5.4.45-Win32-VC9-x86.zip
    set /a "ERR_COUNT+=1"
) else (
    for /f "delims=" %%v in ('php -r "echo PHP_VERSION;" 2^>nul') do set "PHPVER=%%v"
    php -r "exit(version_compare(PHP_VERSION, '5.4.0', '>=') ? 0 : 1);" >nul 2>&1
    if errorlevel 1 (
        echo        [FAIL] PHP version too old. Found !PHPVER!, need 5.4 or later.
        echo               Download: https://windows.php.net/downloads/releases/archives/php-5.4.45-Win32-VC9-x86.zip
        set /a "ERR_COUNT+=1"
    ) else (
        echo        [ OK ] PHP !PHPVER! found.
        set "PHP_OK=1"
    )
)

:: ------------------------------------------------------------
:: 2. CONF.ini present and validate_config-clean
:: ------------------------------------------------------------
echo [ 2/7] CONF.ini present and valid...
if not exist "%~dp0CONF.ini" (
    if exist "%~dp0CONF_SMP.INI" (
        copy /Y "%~dp0CONF_SMP.INI" "%~dp0CONF.ini" >nul
        echo        [INFO] Created CONF.ini from CONF_SMP.INI template.
    )
)

if not exist "%~dp0CONF.ini" (
    echo        [FAIL] CONF.ini not found, and no CONF_SMP.INI template available.
    echo               Please restore CONF_SMP.INI or create CONF.ini.
    set /a "ERR_COUNT+=1"
) else (
    if "!PHP_OK!"=="1" (
        for /f "delims=" %%e in ('php -r "require 'Server/config.php';$c=sc_load_config('CONF.ini');$e=sc_config_fatal_errors(sc_validate_config($c));echo empty($e)?'OK':'ERR:'.implode(',',$e);" 2^>nul') do set "VALIDATE_OUT=%%e"
        if "!VALIDATE_OUT!"=="OK" (
            echo        [ OK ] CONF.ini present and valid.
            set "CONF_OK=1"
        ) else (
            echo        [FAIL] CONF.ini validation failed: !VALIDATE_OUT!
            echo               Edit CONF.ini ^(server, users, models, API keys^).
            set /a "ERR_COUNT+=1"
        )
    ) else (
        echo        [SKIP] Skipped ^(PHP not available -- fix item 1 first^).
    )
)

:: ------------------------------------------------------------
:: 3. Port 9999 (or [server] port) not already bound
:: ------------------------------------------------------------
echo [ 3/7] Listening port availability...
set "SC_PORT=9999"
if "!CONF_OK!"=="1" (
    for /f "delims=" %%p in ('php -r "require 'Server/config.php';$c=sc_load_config('CONF.ini');echo isset($c['server']['port'])?(int)$c['server']['port']:9999;" 2^>nul') do set "SC_PORT=%%p"
    if "!SC_PORT!"=="" set "SC_PORT=9999"
    for /f "delims=" %%s in ('php -r "require 'Server/config.php';$c=sc_load_config('CONF.ini');echo isset($c['paths']['stunnel'])?$c['paths']['stunnel']:'';" 2^>nul') do set "STUNNEL_PATH=%%s"
    if "!STUNNEL_PATH!"=="" set "STUNNEL_PATH=C:\Program Files\stunnel\bin\stunnel.exe"
    if not exist "!STUNNEL_PATH!" (
        if exist "C:\Program Files (x86)\stunnel\bin\stunnel.exe" (
            set "STUNNEL_PATH=C:\Program Files (x86)\stunnel\bin\stunnel.exe"
        )
    )
)

:PORT_CHECK_LOOP
set "CONFLICT_PIDS="
if not exist "%~dp0.tmp" mkdir "%~dp0.tmp"
netstat -ano > "%~dp0.tmp\netstat.tmp"
findstr /C:"LISTENING" "%~dp0.tmp\netstat.tmp" > "%~dp0.tmp\netstat_list.tmp"
findstr /C:":!SC_PORT! " "%~dp0.tmp\netstat_list.tmp" > "%~dp0.tmp\netstat_match.tmp"
for /f "tokens=5" %%P in ('type "%~dp0.tmp\netstat_match.tmp" 2^>nul') do (
    echo !CONFLICT_PIDS! | findstr /C:" %%P " >nul
    if errorlevel 1 set "CONFLICT_PIDS=!CONFLICT_PIDS! %%P "
)
del /q "%~dp0.tmp\netstat.tmp" "%~dp0.tmp\netstat_list.tmp" "%~dp0.tmp\netstat_match.tmp" 2>nul

if not "!CONFLICT_PIDS!"=="" (
    echo        [WARN] Port !SC_PORT! is already in use by PID^(s^):!CONFLICT_PIDS!
    set "SC_GHOST_PIDS="
    for %%K in (!CONFLICT_PIDS!) do (
        if not "%%K"=="0" if not "%%K"=="4" (
            tasklist /FI "PID eq %%K" /NH 2>nul | findstr /R /C:"[ ][ ]*%%K[ ]" >nul
            if errorlevel 1 set "SC_GHOST_PIDS=!SC_GHOST_PIDS! %%K "
        )
    )
    if not "!SC_GHOST_PIDS!"=="" (
        echo        [WARN] Port !SC_PORT! has stale listener PID^(s^):!SC_GHOST_PIDS!
        echo               Windows reports the port as busy, but no matching process exists.
        call :SC_FIND_FREE_PORT "!SC_PORT!"
        if defined SC_ALT_PORT (
            echo        [INFO] Using fallback port !SC_ALT_PORT! for this run.
            set "SC_PORT=!SC_ALT_PORT!"
            set "PORT_OK=1"
        ) else (
            echo        [FAIL] Port !SC_PORT! is unusable and no fallback port was found.
            set /a "ERR_COUNT+=1"
        )
        goto :AFTER_PORT_CHECK
    )
    set /p "KILL_CHOICE=       Do you want to automatically kill this process? (y/n): "
    if /i "!KILL_CHOICE!"=="y" (
        set "KILL_FAILED=0"
        for %%K in (!CONFLICT_PIDS!) do (
            if "%%K"=="0" (
                echo        [FAIL] PID 0 owns this port. It is a protected system entry.
                echo               Change [server] port in CONF.ini and run RUN.cmd again.
                set "KILL_FAILED=1"
            ) else if "%%K"=="4" (
                echo        [FAIL] PID 4 owns this port. It is the Windows System process.
                echo               Change [server] port in CONF.ini or free the binding as Administrator.
                set "KILL_FAILED=1"
            ) else (
                echo        [INFO] Attempting to kill PID %%K...
                set "TASKKILL_LOG=%~dp0.tmp\taskkill_%%K.tmp"
                taskkill /F /T /PID %%K > "!TASKKILL_LOG!" 2>&1
                if errorlevel 1 (
                    echo        [FAIL] taskkill failed for PID %%K:
                    type "!TASKKILL_LOG!"
                    echo               Try running RUN.cmd as Administrator, or edit [server] port.
                    set "KILL_FAILED=1"
                ) else (
                    type "!TASKKILL_LOG!" >nul
                    echo        [ OK ] PID %%K killed.
                )
                del /q "!TASKKILL_LOG!" 2>nul
            )
        )
        if "!KILL_FAILED!"=="1" (
            call :SC_FIND_FREE_PORT "!SC_PORT!"
            if defined SC_ALT_PORT (
                echo        [INFO] Using fallback port !SC_ALT_PORT! for this run.
                set "SC_PORT=!SC_ALT_PORT!"
                set "PORT_OK=1"
            ) else (
                set /a "ERR_COUNT+=1"
                set "PORT_OK=0"
            )
            goto :AFTER_PORT_CHECK
        )
        :: Wait a moment for the port to be freed
        ping 127.0.0.1 -n 2 >nul
        goto :PORT_CHECK_LOOP
    ) else (
        call :SC_FIND_FREE_PORT "!SC_PORT!"
        if defined SC_ALT_PORT (
            echo        [INFO] Port !SC_PORT! is in use and was not killed.
            echo        [INFO] Using fallback port !SC_ALT_PORT! for this run.
            set "SC_PORT=!SC_ALT_PORT!"
            set "PORT_OK=1"
        ) else (
            echo        [FAIL] Port !SC_PORT! is in use and no fallback port was found.
            set /a "ERR_COUNT+=1"
        )
    )
) else (
    echo        [ OK ] Port !SC_PORT! is free.
    set "PORT_OK=1"
)

:AFTER_PORT_CHECK

:: ------------------------------------------------------------
:: 4. [paths] stunnel executable exists
:: ------------------------------------------------------------
echo [ 4/7] stunnel executable...
if exist "!STUNNEL_PATH!" (
    echo        [ OK ] stunnel found: "!STUNNEL_PATH!"
    set "STUNNEL_OK=1"
) else (
    echo        [FAIL] stunnel.exe not found at: "!STUNNEL_PATH!"
    echo               Install stunnel, or edit CONF.ini [paths] stunnel.
    echo               Download: https://www.stunnel.org/archive/5.x/stunnel-5.26-installer.exe
    set /a "ERR_COUNT+=1"
)

:: ------------------------------------------------------------
:: 5. ModernNetwork\cacert.pem present
:: ------------------------------------------------------------
echo [ 5/7] CA certificate ^(cacert.pem^)...
if exist "%~dp0ModernNetwork\cacert.pem" (
    echo        [ OK ] cacert.pem present.
    set "CACERT_OK=1"
) else (
    echo        [FAIL] ModernNetwork\cacert.pem not found.
    echo               Run from the stoneChat project root, or restore cacert.pem.
    set /a "ERR_COUNT+=1"
)

:: ------------------------------------------------------------
:: 6. HISTORY/ creatable + writable
:: ------------------------------------------------------------
echo [ 6/7] HISTORY directory...
if not exist "%~dp0HISTORY\" (
    mkdir "%~dp0HISTORY" >nul 2>&1
)
if exist "%~dp0HISTORY\" (
    set "HISTORY_TMP=%~dp0HISTORY\.sc_write_test.tmp"
    echo. > "!HISTORY_TMP!" 2>nul
    if exist "!HISTORY_TMP!" (
        del "!HISTORY_TMP!" >nul 2>&1
        echo        [ OK ] HISTORY\ exists and is writable.
        set "HISTORY_OK=1"
    ) else (
        echo        [FAIL] HISTORY\ is not writable.
        set /a "ERR_COUNT+=1"
    )
) else (
    echo        [FAIL] Cannot create HISTORY\ at project root.
    set /a "ERR_COUNT+=1"
)

:: ------------------------------------------------------------
:: 7. Windows version detection + modern-Windows note
:: ------------------------------------------------------------
echo [ 7/7] Windows version detection...
set "VER_STR="
for /f "tokens=*" %%v in ('ver') do set "VER_STR=%%v"
set "VER_INNER="
for /f "tokens=2 delims=[]" %%a in ("!VER_STR!") do set "VER_INNER=%%a"
set "VER_NUM="
for /f "tokens=2"        %%a in ("!VER_INNER!") do set "VER_NUM=%%a"
for /f "tokens=3 delims=." %%a in ("!VER_NUM!") do set "WIN_BUILD=%%a"
if "!WIN_BUILD!"=="" set "WIN_BUILD=0"
set "WIN_BUILD=!WIN_BUILD: =!"
echo(!WIN_BUILD!| findstr /R "^[0-9][0-9]*$" >nul
if errorlevel 1 set "WIN_BUILD=0"
if !WIN_BUILD! GEQ 17763 (
    set "SC_MODERN=1"
    echo        [INFO] Windows build !WIN_BUILD! detected ^(Windows 10 1809 or newer^).
    echo               Your device looks very modern; many modern tools are available.
    echo               stoneChat is a retro LLM client ^(IE6 / Windows XP era^).
    echo               It still runs fine; the UI just looks 20+ years old by design.
    echo               Expect a brief "Super-Modern-HTML" splash on first page load.
) else (
    echo        [ OK ] Windows build !WIN_BUILD! ^< 17763; the retro UI will load directly.
)

echo.
if !ERR_COUNT! GTR 0 (
    echo ============================================================
    echo   stoneChat startup check FAILED: !ERR_COUNT! error^(s^).
    echo   Please fix the issues above and re-run RUN.cmd.
    echo ============================================================
    echo.
    echo   Suggested order of steps:
    if "!PHP_OK!"=="0" (
        echo   [Step A] Install PHP 5.4+ and add php.exe to PATH.
        echo           ^(5.4+ is required for the built-in web server "php -S"^)
        echo           Download: https://windows.php.net/downloads/releases/archives/php-5.4.45-Win32-VC9-x86.zip
    )
    if "!STUNNEL_OK!"=="0" (
        echo   [Step B] Install stunnel and set [paths] stunnel in CONF.ini.
        echo           Download: https://www.stunnel.org/archive/5.x/stunnel-5.26-installer.exe
    )
    if "!CONF_OK!"=="0" if "!PHP_OK!"=="1" (
        echo   [Step C] Edit CONF.ini: set users, models, and API keys.
    )
    echo.
    echo   After fixing, re-run RUN.cmd.
    echo.
    pause
    endlocal
    endlocal
    exit /b 1
)

echo Environment check passed. Launching stoneChat...
echo.

:: ------------------------------------------------------------
:: Launch
:: ------------------------------------------------------------
:: Optional local mock LLM (CONF_SMP MockLocal uses port 9998).
:: Started minimized so a stock sample config can chat out of the box.
if exist "%~dp0Server\api\mock_llm.php" (
    echo Starting mock LLM helper on http://localhost:9998/ ...
    start "stoneChat-mock" /MIN cmd /c "cd /d ""%~dp0"" && php -S localhost:9998 Pages\router.php"
    ping 127.0.0.1 -n 2 >nul
)

if "!SC_MODERN!"=="1" (
    echo Opening browser to http://localhost:!SC_PORT!/ ^(-- modern splash first --^)
) else (
    echo Opening browser to http://localhost:!SC_PORT!/
)
start "" "http://localhost:!SC_PORT!/"
php -S localhost:!SC_PORT! Pages/router.php

echo.
echo stoneChat has stopped.
pause
endlocal
endlocal
exit /b 0

:SC_FIND_FREE_PORT
set "SC_ALT_PORT="
set "SC_FIND_START=%~1"
echo(!SC_FIND_START!| findstr /R "^[0-9][0-9]*$" >nul
if errorlevel 1 set "SC_FIND_START=9999"
set /a "SC_CANDIDATE=SC_FIND_START+1"
set /a "SC_LAST=SC_FIND_START+20"
for /L %%Q in (!SC_CANDIDATE!,1,!SC_LAST!) do (
    if not defined SC_ALT_PORT (
        netstat -ano | findstr /C:":%%Q " | findstr /C:"LISTENING" >nul
        if errorlevel 1 set "SC_ALT_PORT=%%Q"
    )
)
goto :eof