#!/usr/bin/env bash
set -euo pipefail

PORT="${1:-8001}"

echo "Processi su ${PORT}:"
if ! ss -ltnp 2>/dev/null | grep -q ":${PORT}"; then
  echo "Nessun processo in ascolto su ${PORT}"
  exit 0
fi

ss -ltnp 2>/dev/null | grep ":${PORT}" || true
PID=$(ss -ltnp 2>/dev/null | awk -v p=":${PORT}" '$4 ~ p {print $NF}' | sed -n 's/.*pid=\([0-9]\+\).*/\1/p' | head -n1)

if [[ -n "${PID}" ]]; then
  echo "Terminazione PID ${PID}"
  if ! kill "${PID}" 2>/dev/null; then
    echo "kill standard fallita, provo con sudo kill -9"
    sudo kill -9 "${PID}"
  fi
else
  echo "Impossibile determinare il PID su ${PORT}"
fi