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

ROOT="$(cd "$(dirname "$0")/.." && pwd)"
cd "$ROOT"

PORT="${PORT:-3002}"
PID_FILE="$ROOT/.runtime/hermes-workspace.pid"

stop_pid() {
  local pid="$1"
  if kill -0 "$pid" 2>/dev/null; then
    kill "$pid" 2>/dev/null || true
    for _ in {1..20}; do
      if ! kill -0 "$pid" 2>/dev/null; then
        return 0
      fi
      sleep 0.25
    done
    kill -9 "$pid" 2>/dev/null || true
  fi
}

if [[ -f "$PID_FILE" ]]; then
  pid="$(cat "$PID_FILE" 2>/dev/null || true)"
  if [[ -n "$pid" ]]; then
    stop_pid "$pid"
  fi
  rm -f "$PID_FILE"
fi

for pid in $(lsof -tiTCP:"$PORT" -sTCP:LISTEN 2>/dev/null || true); do
  stop_pid "$pid"
done

echo "[stable] stopped Hermes Workspace on port $PORT"