@echo off
setlocal

for %%I in ("%~dp0..") do set "PROJECT_ROOT=%%~fI"
set "WEB_DIR=%PROJECT_ROOT%\src\web"
set "LIBCLANG_PATH=%PROJECT_ROOT%\.tools\libclang\clang\native"

where cargo >nul 2>nul
if errorlevel 1 (
    echo [ERROR] Cargo was not found in PATH
    pause
    exit /b 1
)

where bun >nul 2>nul
if errorlevel 1 (
    echo [ERROR] Bun was not found in PATH
    pause
    exit /b 1
)

if not exist "%LIBCLANG_PATH%\libclang.dll" (
    echo [ERROR] libclang.dll was not found at
    echo         %LIBCLANG_PATH%
    echo.
    echo Install it with
    echo python -m pip install --target "%PROJECT_ROOT%\.tools\libclang" libclang
    pause
    exit /b 1
)

if not exist "%PROJECT_ROOT%\dht-search.toml" (
    echo [INFO] Creating local configuration from template
    copy /Y "%PROJECT_ROOT%\dht-search.example.toml" "%PROJECT_ROOT%\dht-search.toml" >nul
    if errorlevel 1 (
        echo [ERROR] Failed to create dht-search.toml
        pause
        exit /b 1
    )
)

if not exist "%WEB_DIR%\node_modules" (
    echo [INFO] Installing Web dependencies
    pushd "%WEB_DIR%"
    call bun install --frozen-lockfile
    if errorlevel 1 (
        popd
        echo [ERROR] Failed to install Web dependencies
        pause
        exit /b 1
    )
    popd
)

echo.
echo [INFO] Starting backend and Web in this window
echo [INFO] Backend: http://127.0.0.1:8080
echo [INFO] Web:     http://127.0.0.1:5173
echo.
echo Open http://127.0.0.1:5173 after both services are ready
echo Press Ctrl+C once to stop both services
echo.

powershell -NoProfile -ExecutionPolicy Bypass -Command ^
    "$backend = $null; $web = $null;" ^
    "function Stop-Tree($process) {" ^
    "  if ($null -ne $process) {" ^
    "    $process.Refresh();" ^
    "    if (-not $process.HasExited) { Start-Process -FilePath 'taskkill.exe' -ArgumentList @('/PID', [string]$process.Id, '/T', '/F') -NoNewWindow -Wait | Out-Null }" ^
    "  }" ^
    "}" ^
    "try {" ^
    "  $backend = Start-Process -FilePath 'cargo' -ArgumentList @('run','-p','dht-search','--bin','dht-search','--','--config','dht-search.toml') -WorkingDirectory $env:PROJECT_ROOT -NoNewWindow -PassThru;" ^
    "  $web = Start-Process -FilePath 'bun' -ArgumentList @('--bun','run','dev','--','--host','127.0.0.1') -WorkingDirectory $env:WEB_DIR -NoNewWindow -PassThru;" ^
    "  while (-not $backend.HasExited -and -not $web.HasExited) { Start-Sleep -Milliseconds 250 }" ^
    "} finally {" ^
    "  for ($i = 0; $i -lt 20; $i++) {" ^
    "    if (($null -eq $backend -or $backend.HasExited) -and ($null -eq $web -or $web.HasExited)) { break }" ^
    "    Start-Sleep -Milliseconds 250" ^
    "  }" ^
    "  Stop-Tree $backend;" ^
    "  Stop-Tree $web;" ^
    "}"

endlocal