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

if [[ -f ".env_dev" ]]; then
  set -a
  source .env_dev
  set +a
fi

APP_PORT="${APP_PORT:-3911}"
BACKEND_PORT="${BACKEND_PORT:-3002}"
API_PROXY_TARGET="${API_PROXY_TARGET:-http://127.0.0.1:${BACKEND_PORT}}"
export APP_PORT BACKEND_PORT API_PROXY_TARGET
export NEXT_TELEMETRY_DISABLED=1

kill_port_processes() {
  local port="$1"
  local pids=""

  if command -v lsof >/dev/null 2>&1; then
    pids="${pids}"$'\n'"$(lsof -tiTCP:"${port}" -sTCP:LISTEN 2>/dev/null || true)"
  fi

  if command -v fuser >/dev/null 2>&1; then
    pids="${pids}"$'\n'"$(fuser -n tcp "${port}" 2>/dev/null | tr ' ' '\n' || true)"
  fi

  if command -v ss >/dev/null 2>&1; then
    pids="${pids}"$'\n'"$(ss -ltnp "sport = :${port}" 2>/dev/null | grep -o 'pid=[0-9]*' | cut -d= -f2 || true)"
  fi

  pids="$(printf '%s\n' "${pids}" | sed '/^$/d' | sort -u)"

  if [[ -z "${pids}" ]]; then
    echo "Port ${port} ist frei."
    return
  fi

  echo "Beende Prozess(e) auf Port ${port}: ${pids//$'\n'/ }"
  kill ${pids} 2>/dev/null || true
  sleep 1

  local remaining=""
  for pid in ${pids}; do
    if kill -0 "${pid}" 2>/dev/null; then
      remaining="${remaining} ${pid}"
    fi
  done

  if [[ -n "${remaining}" ]]; then
    echo "Erzwinge Stop für:${remaining}"
    kill -9 ${remaining} 2>/dev/null || true
  fi
}

kill_port_processes "${BACKEND_PORT}"
if [[ "${APP_PORT}" != "${BACKEND_PORT}" ]]; then
  kill_port_processes "${APP_PORT}"
fi