#!/usr/bin/env bash

SCRIPTNAME="$( basename -- "$0" )"

ensure_root () {
  if [[ $EUID -ne 0 ]]; then
    echo "This script must be run as root" 
    exit 1
  fi
}

ensure_not_root () {
  if [[ $EUID -eq 0 ]]; then
    echo "This script must not be run as root" 
    exit 1
  fi
}

ensure_pwd_is_scriptdir () {
  if [[ $PWD != $ABSDIR ]]; then
    echo "Please cd in the script directory before running it :"
    echo "cd ${ABSDIR}"
    echo "./${SCRIPTNAME}"
    exit 1
  fi
}

ensure_systemd_as_user_dir_exists () {
  mkdir -p ${HOME}/.config/systemd/user/
}

check_systemd_unit_exists () {
  systemctl --user cat -- ${1} &> /dev/null
}

check_systemd_unit_running () {
  systemctl --user is-active --quiet service ${1}
}

check_container_exists () {
  podman container exists ${1}
}

check_container_running () {
  [[ "podman container inspect -f '{{.State.Status}}' ${1}" != "running" ]]
}