# Siftlode self-host installer (Windows / PowerShell). Generates secrets into .env, starts the
# stack from the prebuilt image, and prints the first-run setup-wizard URL. Re-running is safe: an
# existing .env is left untouched. Requires Docker Desktop (with the compose plugin).
$ErrorActionPreference = "Stop"
$Port = if ($env:HTTP_PORT) { $env:HTTP_PORT } else { "8080" }

function New-RandBytes([int]$n) {
  $b = New-Object byte[] $n
  $rng = [System.Security.Cryptography.RandomNumberGenerator]::Create()
  $rng.GetBytes($b)
  return $b
}

if (Test-Path .env) {
  Write-Host ".env already exists — leaving it untouched (delete it to re-generate)."
} else {
  $url = Read-Host "Public URL where this instance will be reached [http://localhost:$Port]"
  if ([string]::IsNullOrWhiteSpace($url)) { $url = "http://localhost:$Port" }
  $url = $url.TrimEnd('/')

  $secretKey = (New-RandBytes 32 | ForEach-Object { $_.ToString("x2") }) -join ""
  $fernet = [Convert]::ToBase64String((New-RandBytes 32)).Replace('+', '-').Replace('/', '_')
  $pgPass = (New-RandBytes 16 | ForEach-Object { $_.ToString("x2") }) -join ""

  @"
# Generated by install.ps1 — keep secret, never commit. Re-run after deleting to reset.
POSTGRES_PASSWORD=$pgPass
SECRET_KEY=$secretKey
TOKEN_ENCRYPTION_KEY=$fernet
OAUTH_REDIRECT_URL=$url/auth/callback

# Optional: store Download Center media in a host folder (e.g. one your Plex server reads) instead
# of a Docker volume. Must be writable by uid 1000 (chown -R 1000:1000 <dir>).
# DOWNLOAD_HOST_PATH=/mnt/media/youtube
"@ | Set-Content -Path .env -Encoding ascii
  Write-Host "Wrote .env (secrets generated)."
}

Write-Host "Pulling and starting Siftlode..."
docker compose -f docker-compose.selfhost.yml pull
docker compose -f docker-compose.selfhost.yml up -d

Write-Host "Waiting for the app to come up..."
foreach ($i in 1..30) {
  try { Invoke-WebRequest "http://localhost:$Port/healthz" -UseBasicParsing -TimeoutSec 3 | Out-Null; break } catch { Start-Sleep 2 }
}

Write-Host ""
Write-Host "==================================================================="
Write-Host " Siftlode is up. Open the first-run setup wizard at:"
$logs = docker compose -f docker-compose.selfhost.yml logs api 2>$null
$match = ($logs | Select-String -Pattern "https?://\S*setup\?token=[A-Za-z0-9_-]+" -AllMatches |
  ForEach-Object { $_.Matches.Value } | Select-Object -Last 1)
if ($match) { Write-Host "   $match" }
else { Write-Host "   (not found yet — run: docker compose -f docker-compose.selfhost.yml logs api | Select-String 'setup?token=')" }
Write-Host "==================================================================="