param(
  [switch]$Install
)

$ErrorActionPreference = "Stop"

$repoRoot = Split-Path -Parent $MyInvocation.MyCommand.Path
$frontendDir = Join-Path $repoRoot "frontend"

if (-not (Test-Path $frontendDir)) {
  throw "Frontend directory not found: $frontendDir"
}

Push-Location $frontendDir

try {
  if ($Install -or -not (Test-Path (Join-Path $frontendDir "node_modules"))) {
    Write-Host "[frontend] Installing dependencies..." -ForegroundColor Cyan
    npm install
    if ($LASTEXITCODE -ne 0) {
      throw "npm install failed"
    }
  }

  Write-Host "[frontend] Starting Astro dev server..." -ForegroundColor Green
  npm run dev
  if ($LASTEXITCODE -ne 0) {
    throw "npm run dev failed"
  }
}
finally {
  Pop-Location
}