{...}: {
  config.flake.modules.homeManager.homey-alert = {
    lib,
    config,
    pkgs,
    ...
  }: {
    options.azos.homey-alert.enable = lib.mkOption {
      default = false;
      example = true;
      type = lib.types.bool;
    };

    config = lib.mkIf config.azos.homey-alert.enable {
      home.packages = [
        (pkgs.writeShellApplication {
          name = "homey-alert";
          runtimeInputs = with pkgs; [curl pass];
          text = ''
            usage() {
              cat <<EOF
            Usage: homey-alert [OPTIONS] [MESSAGE]

            Send a notification to the homey ntfy server (ntfy.zakobar.com/alerts).
            MESSAGE can be given as a positional argument or piped via stdin.

            Options:
              -t, --title TITLE      notification title
              -p, --priority PRIO    priority: min|low|default|high|urgent  (default: default)
              -T, --tags TAGS        comma-separated emoji shortcodes (e.g. warning,rotating_light)
              -h, --help             show this help

            Examples:
              homey-alert "Backup complete"
              homey-alert -t "Backup" -p high -T white_check_mark "restic finished"
              echo "done" | homey-alert -t "Job finished"
            EOF
            }

            TITLE=""
            PRIORITY="default"
            TAGS=""

            while [[ $# -gt 0 ]]; do
              case "$1" in
                -t|--title)    TITLE="$2";    shift 2 ;;
                -p|--priority) PRIORITY="$2"; shift 2 ;;
                -T|--tags)     TAGS="$2";     shift 2 ;;
                -h|--help)     usage; exit 0 ;;
                --)            shift; break ;;
                -*)            echo "Unknown option: $1" >&2; usage >&2; exit 1 ;;
                *)             break ;;
              esac
            done

            if [[ $# -gt 0 ]]; then
              MESSAGE="$*"
            elif [[ ! -t 0 ]]; then
              MESSAGE="$(cat)"
            else
              echo "homey-alert: no message provided" >&2
              usage >&2
              exit 1
            fi

            TOKEN="$(pass zakobar-homecenter/ntfy-token)"

            HEADERS=(
              -H "Authorization: Bearer $TOKEN"
              -H "Priority: $PRIORITY"
            )

            [[ -n "$TITLE" ]] && HEADERS+=(-H "Title: $TITLE")
            [[ -n "$TAGS"  ]] && HEADERS+=(-H "Tags: $TAGS")

            curl -sf "''${HEADERS[@]}" \
              -d "$MESSAGE" \
              https://ntfy.zakobar.com/alerts
          '';
        })
      ];
    };
  };
}