#!/usr/bin/env bash

set -euo pipefail

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
RUN_DIR="$ROOT_DIR/.run"

BACKEND_PID_FILE="$RUN_DIR/backend.pid"
FRONTEND_PID_FILE="$RUN_DIR/frontend.pid"

stop_process() {
  local name="$1"
  local pid_file="$2"
  if [[ ! -f "$pid_file" ]]; then
    echo "$name not running"
    return
  fi

  local pid
  pid="$(cat "$pid_file")"

  if [[ -n "$pid" ]] && kill -0 "$pid" 2>/dev/null; then
    kill "$pid" 2>/dev/null || true
    for _ in {1..20}; do
      if ! kill -0 "$pid" 2>/dev/null; then
        break
      fi
      sleep 0.25
    done
    if kill -0 "$pid" 2>/dev/null; then
      kill -9 "$pid" 2>/dev/null || true
    fi
    echo "Stopped $name (PID $pid)"
  else
    echo "$name pid file was stale"
  fi

  rm -f "$pid_file"
}

stop_process "frontend" "$FRONTEND_PID_FILE"
stop_process "backend" "$BACKEND_PID_FILE"