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

root="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
pid_file="$root/.runtime/cpa.pid"

if [[ ! -f "$pid_file" ]]; then
  echo 'CPA test host is not running.'
  exit 0
fi

pid="$(cat "$pid_file")"
if [[ -n "$pid" ]] && kill -0 "$pid" 2>/dev/null; then
  kill "$pid"
  for _ in $(seq 1 20); do
    kill -0 "$pid" 2>/dev/null || break
    sleep 0.25
  done
  if kill -0 "$pid" 2>/dev/null; then
    echo "CPA test host did not stop within 5 seconds (PID $pid)." >&2
    exit 1
  fi
fi
rm -f "$pid_file"
echo 'CPA test host stopped.'