@echo off
setlocal EnableExtensions EnableDelayedExpansion
title AetherForge Control Deck
cd /d "%~dp0"

:: Portable deck root = folder that contains AetherForge.exe (repo usb\ or copied USB drive)
if exist "%CD%\AetherForge.exe" (
  set "ROOT=!CD!"
) else if exist "%CD%\usb\AetherForge.exe" (
  cd /d "%CD%\usb"
  set "ROOT=!CD!"
) else (
  echo.
  echo   ERROR: AetherForge.exe not found.
  echo   Expected next to this script, or in usb\AetherForge.exe
  echo   Run pack-usb.bat from the repo to build the portable bundle.
  echo.
  pause
  exit /b 1
)

if not exist "%ROOT%\AetherForge.exe" (
  echo   ERROR: AetherForge.exe missing in %ROOT%
  pause
  exit /b 1
)

echo  ================================================================
echo       AetherForge  -  Portable Control Deck
echo  ================================================================
echo   Deck:       %ROOT%
echo.

:: ----------------------------------------------------------------
:: 1. Locate Go - prefer bundled toolchain, fall back to system Go
:: ----------------------------------------------------------------
set "BUNDLED_GO=%ROOT%\toolchain\go\bin\go.exe"
set "GO_BIN="

if exist "%ROOT%\toolchain\go" if not exist "%BUNDLED_GO%" (
    echo   [Go] Incomplete toolchain folder - removing broken install...
    rd /s /q "%ROOT%\toolchain\go" 2>nul
)

if exist "%BUNDLED_GO%" (
    echo   [Go] Using bundled toolchain: %ROOT%\toolchain\go
    set "GO_BIN=%ROOT%\toolchain\go\bin\go.exe"
    set "GOROOT=%ROOT%\toolchain\go"
    set "PATH=%ROOT%\toolchain\go\bin;%ROOT%\toolchain\gopath\bin;%PATH%"
    goto go_ready
)

:: Check if Go is installed system-wide
where go >nul 2>nul
if not errorlevel 1 (
    echo   [Go] Using system Go installation.
    set "GO_BIN=go"
    goto go_ready
)

:: Go not found anywhere - skip optional tools, proceed directly to server
echo.
echo   [Go] Go not found - Forge obfuscation tools unavailable. Running server without them.
echo.
goto server_launch

:go_ready

:: ----------------------------------------------------------------
:: 2. Pin all Go caches to the USB so module downloads travel with you
:: ----------------------------------------------------------------
set "GOPATH=%ROOT%\toolchain\gopath"
set "GOMODCACHE=%ROOT%\toolchain\gopath\pkg\mod"
set "GOCACHE=%ROOT%\toolchain\gocache"
set "GOENV=off"

:: ----------------------------------------------------------------
:: 3. Install optional Forge tools if missing (non-fatal)
:: ----------------------------------------------------------------
if /i not "%AF_INSTALL_TOOLS%"=="0" (
    if not exist "%ROOT%\toolchain\gopath\bin\garble.exe" (
        echo   [Tools] Installing garble...
        "%GO_BIN%" install mvdan.cc/garble@latest
        if errorlevel 1 echo   [Tools] WARN: garble install failed.
    )

    if not exist "%ROOT%\toolchain\gopath\bin\go-winres.exe" (
        echo   [Tools] Installing go-winres...
        "%GO_BIN%" install github.com/tc-hib/go-winres@v0.3.1
        if errorlevel 1 echo   [Tools] WARN: go-winres install failed.
    )
) else (
    echo   [Tools] Auto-install disabled ^(AF_INSTALL_TOOLS=0^).
)

:server_launch

:: ----------------------------------------------------------------
:: 4. Ensure data directories exist
:: ----------------------------------------------------------------
if not exist "%ROOT%\data\builds"       mkdir "%ROOT%\data\builds"
if not exist "%ROOT%\data\logs"         mkdir "%ROOT%\data\logs"
if not exist "%ROOT%\data\spread-kits"  mkdir "%ROOT%\data\spread-kits"
if not exist "%ROOT%\data\uploads"      mkdir "%ROOT%\data\uploads"
if not exist "%ROOT%\data\blueprints"   mkdir "%ROOT%\data\blueprints"
if not exist "%ROOT%\data\preps"        mkdir "%ROOT%\data\preps"

:: ----------------------------------------------------------------
:: 5. Configure optional Cloudflare tunnel (foreground process, no service)
:: ----------------------------------------------------------------
set "CLOUDFLARED_BIN=%ROOT%\tools\cloudflared.exe"
set "CF_PID_FILE=%ROOT%\data\cloudflared.pid"
set "CF_TUNNEL_TOKEN="
if defined AF_TUNNEL_TOKEN set "CF_TUNNEL_TOKEN=%AF_TUNNEL_TOKEN%"
if not defined CF_TUNNEL_TOKEN if exist "%ROOT%\data\cloudflared-token.txt" (
    set /p CF_TUNNEL_TOKEN=<"%ROOT%\data\cloudflared-token.txt"
)

:: ----------------------------------------------------------------
:: 6. Detect LAN IP for display
:: ----------------------------------------------------------------
set "SERVER_PORT=8989"
for /f "tokens=2 delims=:" %%I in ('ipconfig ^| findstr /i "IPv4" ^| findstr /v "127.0.0.1"') do (
    set "LAN_IP=%%I"
    goto lan_done
)
set "LAN_IP=localhost"
:lan_done
set "LAN_IP=%LAN_IP: =%"

:: ----------------------------------------------------------------
:: 7. Kill any stale server and tunnel processes
:: ----------------------------------------------------------------
taskkill /F /IM AetherForge.exe >nul 2>nul
taskkill /F /IM cloudflared.exe >nul 2>nul
ping -n 2 127.0.0.1 >nul

echo.
echo  ================================================================
echo                    STARTING CONTROL DECK
echo  ================================================================
echo   Local:  http://localhost:%SERVER_PORT%
echo   LAN:    http://%LAN_IP%:%SERVER_PORT%
echo   Data:   %ROOT%\data\
echo.
echo   First-run credentials will appear below after server starts.
echo   Press Ctrl+C to stop.
echo  ================================================================
echo.

:: Start optional Cloudflare tunnel for this launcher session only.
if defined CF_TUNNEL_TOKEN (
    if not exist "%ROOT%\tools" mkdir "%ROOT%\tools"
    if not exist "%CLOUDFLARED_BIN%" (
        echo   [Tunnel] Downloading cloudflared.exe...
        powershell -NoProfile -ExecutionPolicy Bypass -Command "& { [Net.ServicePointManager]::SecurityProtocol=[Net.SecurityProtocolType]::Tls12; Invoke-WebRequest -Uri 'https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-windows-amd64.exe' -OutFile $env:CLOUDFLARED_BIN }"
    )
    if exist "%CLOUDFLARED_BIN%" (
        del "%CF_PID_FILE%" 2>nul
        echo   [Tunnel] Starting Cloudflare tunnel for this session ^(no service install^).
        powershell -NoProfile -ExecutionPolicy Bypass -Command "$p = Start-Process -FilePath $env:CLOUDFLARED_BIN -ArgumentList @('tunnel','--no-autoupdate','run','--token',$env:CF_TUNNEL_TOKEN) -WindowStyle Hidden -PassThru; Set-Content -LiteralPath $env:CF_PID_FILE -Value $p.Id"
        if errorlevel 1 (
            echo   [Tunnel] WARNING: cloudflared failed to start.
        ) else (
            echo   [Tunnel] Tunnel process started. It will stop when this launcher exits.
        )
    ) else (
        echo   [Tunnel] WARNING: cloudflared.exe unavailable; tunnel skipped.
    )
) else (
    echo   [Tunnel] Disabled. Add token to data\cloudflared-token.txt or set AF_TUNNEL_TOKEN.
)
echo.

:: Open browser after short delay
start "" powershell -NoProfile -WindowStyle Hidden -Command "Start-Sleep -Seconds 3; Start-Process 'http://localhost:%SERVER_PORT%/'"

:: Launch server
"%ROOT%\AetherForge.exe" -port %SERVER_PORT% -data "%ROOT%\data"
set "EC=!ERRORLEVEL!"

if exist "%CF_PID_FILE%" (
    for /f "usebackq" %%P in ("%CF_PID_FILE%") do (
        powershell -NoProfile -ExecutionPolicy Bypass -Command "Stop-Process -Id %%P -Force -ErrorAction SilentlyContinue" >nul 2>nul
    )
    del "%CF_PID_FILE%" 2>nul
)

echo.
if "!EC!"=="0" (
    echo [Server] Stopped normally.
) else (
    echo [Server] Exited with code !EC!.
    echo   If port %SERVER_PORT% is in use, close other AetherForge windows and retry.
)

echo.
pause
endlocal