# Kill process trees listening on given ports. Default: :3000 frontend / :3001 backend.
# Called by stop.bat; or: powershell -File stop.ps1

param(
  [int[]]$Ports = @(3000, 3001)
)

$ErrorActionPreference = 'SilentlyContinue'
[Console]::OutputEncoding = [System.Text.Encoding]::UTF8

Write-Host "Stopping listeners on :3000 / :3001 (process trees)..."
Write-Host ""

foreach ($port in $Ports) {
  $pids = @(
    Get-NetTCPConnection -LocalPort $port -State Listen |
      Select-Object -ExpandProperty OwningProcess -Unique
  )
  if (-not $pids -or $pids.Count -eq 0) {
    Write-Host "  :$port idle"
    continue
  }
  foreach ($procId in $pids) {
    if ($procId -le 0) { continue }
    Write-Host "  :$port -> PID $procId (tree)"
    & taskkill.exe /T /F /PID $procId | Out-Null
  }
}

Write-Host ""
Write-Host "Port cleanup finished."