$ErrorActionPreference = "Stop"
$projectRoot = $PSScriptRoot
$nodeCommand = Get-Command node -ErrorAction SilentlyContinue
$nodePath = if ($nodeCommand) {
  $nodeCommand.Source
} else {
  Join-Path $env:USERPROFILE ".cache\codex-runtimes\codex-primary-runtime\dependencies\node\bin\node.exe"
}

if (-not (Test-Path -LiteralPath $nodePath)) { throw "Node.js was not found." }
Set-Location -LiteralPath $projectRoot

& $nodePath "node_modules\typescript\bin\tsc" -p tsconfig.json
if ($LASTEXITCODE -ne 0) { throw "TypeScript compilation failed." }
& $nodePath "tests\core.test.mjs"
if ($LASTEXITCODE -ne 0) { throw "Core tests failed." }

$testUrl = "http://127.0.0.1:4173/mvp/"
$server = $null
$ownsServer = $false
try {
  $response = Invoke-WebRequest -Uri $testUrl -UseBasicParsing -TimeoutSec 1
  $ready = $response.StatusCode -eq 200
} catch {
  $ready = $false
}

if (-not $ready) {
  $server = Start-Process -FilePath $nodePath -ArgumentList @("tools/server.mjs") -WorkingDirectory $projectRoot -WindowStyle Hidden -PassThru
  $ownsServer = $true
}
try {
  if (-not $ready) {
    for ($attempt = 0; $attempt -lt 30; $attempt += 1) {
      if ($server.HasExited) { throw "Test server failed to start." }
      try {
        $response = Invoke-WebRequest -Uri $testUrl -UseBasicParsing -TimeoutSec 1
        if ($response.StatusCode -eq 200) { $ready = $true; break }
      } catch {
        Start-Sleep -Milliseconds 100
      }
    }
  }
  if (-not $ready) { throw "Test server did not become ready." }
  & $nodePath "tests\browser-smoke.mjs"
  if ($LASTEXITCODE -ne 0) { throw "Browser smoke test failed." }
  & $nodePath "tests\restoration.test.mjs"
  if ($LASTEXITCODE -ne 0) { throw "Original-restoration comparison test failed." }
  Write-Host "All validation checks passed." -ForegroundColor Green
} finally {
  if ($ownsServer -and -not $server.HasExited) { Stop-Process -Id $server.Id -Force }
}