# GenreGrid — one-command dev servers for Windows (mirror of dev.sh).

# Usage: .\dev.ps1

# Starts the FastAPI backend (:8000, auto-reload) and the Vite frontend (:5173)

# together; Ctrl+C stops both. First run creates the venv / installs deps.

$ErrorActionPreference = "Stop"

$Root = $PSScriptRoot

$BackendDir = Join-Path $Root "backend"

$FrontendDir = Join-Path $Root "frontend"

# Use whichever venv already exists (.venv preferred, venv accepted), else create .venv

if (Test-Path (Join-Path $BackendDir ".venv")) {

$Venv = Join-Path $BackendDir ".venv"

} elseif (Test-Path (Join-Path $BackendDir "venv")) {

$Venv = Join-Path $BackendDir "venv"

} else {

$Venv = Join-Path $BackendDir ".venv"

Write-Host "[ dev ] Creating Python venv..."

python -m venv $Venv

}

$Python = Join-Path $Venv "Scripts\python.exe"

Write-Host "[ dev ] Syncing Python dependencies..."

& $Python -m pip install -q -r (Join-Path $BackendDir "requirements.txt")

if (-not (Test-Path (Join-Path $FrontendDir "node_modules"))) {

Write-Host "[ dev ] Installing frontend dependencies..."

Push-Location $FrontendDir

try { npm install --silent } finally { Pop-Location }

}

Write-Host "[ dev ] Starting backend on http://localhost:8000 ..."

$Backend = Start-Process -FilePath $Python `

-ArgumentList "-m", "uvicorn", "app.main:app", "--reload", "--port", "8000" `

-WorkingDirectory $BackendDir -NoNewWindow -PassThru

try {

Write-Host "[ dev ] Starting frontend on http://localhost:5173 ..."

Push-Location $FrontendDir

try { npm run dev } finally { Pop-Location }

} finally {

Write-Host ""

Write-Host "[ dev ] Stopping backend..."

# --reload spawns a child worker; stop the whole tree so :8000 is freed

try { taskkill /PID $Backend.Id /T /F 2>$null | Out-Null } catch {}

}