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

PORT="${1:-8570}"

echo "===================================================="
echo "🧹 trader-mcp killserver.sh (port $PORT)"
echo "===================================================="

do_kill_pids() {
  local pids="$1"
  if [ -z "$pids" ]; then
    return 0
  fi
  echo "Killing PIDs:" "$pids"
  # shellcheck disable=SC2086
  kill -9 $pids >/dev/null 2>&1 || true
}

# 1) lsof (precise)
if command -v lsof >/dev/null 2>&1; then
  PIDS=$(lsof -t -i tcp:"$PORT" 2>/dev/null || true)
  if [ -n "$PIDS" ]; then
    echo "Found listeners via lsof."
    do_kill_pids "$PIDS"
  else
    echo "No listeners found via lsof."
  fi
else
  echo "lsof not available."
fi

# 2) fuser (fallback)
if command -v fuser >/dev/null 2>&1; then
  echo "Checking via fuser..."
  if fuser -n tcp "$PORT" >/dev/null 2>&1; then
    echo "Listener(s) still present. Killing via fuser."
    fuser -k -n tcp "$PORT" >/dev/null 2>&1 || true
  else
    echo "No listeners remaining via fuser."
  fi
else
  echo "fuser not available."
fi

echo "Done."