#!/usr/bin/env bash
set -Eeuo pipefail
umask 077

# Compatibility entry point. Client mutation has one implementation in
# wg-manager.sh; this wrapper deliberately contains no WireGuard operations.
ADD_USER_SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
readonly ADD_USER_SCRIPT_DIR

add_user_usage() {
  printf 'Использование: %s NAME [ENDPOINT]\n' "${ADD_USER_SCRIPT_DIR}/add-user.sh" >&2
  printf 'Устаревший wrapper: используйте %s add NAME [--endpoint HOST]\n' \
    "${ADD_USER_SCRIPT_DIR}/wg-manager.sh" >&2
}

add_user_main() {
  local -a args
  if (( $# < 1 || $# > 2 )); then
    add_user_usage
    return 64
  fi
  args=(add "$1")
  if (( $# == 2 )); then
    args+=(--endpoint "$2")
  fi
  exec "${ADD_USER_SCRIPT_DIR}/wg-manager.sh" "${args[@]}"
}

if [[ ${BASH_SOURCE[0]} == "$0" ]]; then
  add_user_main "$@"
fi