#!/bin/ash

/usr/sbin/nginx -c /etc/nginx/nginx.conf &
ngpid=$!
waitpid=""
stopflag=0

ctrlc () {
  stopflag=1
  kill -QUIT "$ngpid"
  [ -n "$waitpid" ] && kill -INT "$waitpid"
}

trap ctrlc INT
trap ctrlc TERM


if [ ! -e /etc/letsencrypt/live ]
then
  echo "[!!] Certbot directory is not initialized"
  echo "[!!] Either it's the first run or you forgot to add a volume"
  echo
  echo "1. Login to shell"
  echo "   > docker compose exec -it nginx ash"
  echo "2. Either let certbot retrieve certs and automatically edit nginx config"
  echo "   # certbot --nginx"
  echo "   OR just get certs for hosts in your nginx config, edit manually later"
  echo "   # certbot certonly --nginx"
  echo "3. Restart:"
  echo "   # exit"
  echo "   > docker compose down && docker compose up -d"

  while [ $stopflag = 0 ]
  do
    sleep 5m &
    waitpid=$!
    wait
  done
fi


while [ $stopflag = 0 ]
do
  /venv/bin/certbot renew --post-hook "kill -HUP $ngpid" &
  sleep 12h &
  waitpid=$!
  wait
done