{
  lib,
  osConfig,
  pkgs,
  ...
}: let
  inherit (lib) mkIf;
  inherit (builtins) elem;
  inherit (osConfig.ooknet.hardware) features;
  ookbrightness = pkgs.writeShellApplication {
    name = "ookbrightness";
    runtimeInputs = with pkgs; [brillo libnotify];
    text =
      /*
      bash
      */
      ''
        BRIGHTNESS=$(brillo -G | awk -F'.' '{print$1}')
        notify() {
          notify-send --app-name="system-notify" -h string:x-canonical-private-synchronous:sys-notify "󰃠  $BRIGHTNESS%"
        }
        option() {
          case "$1" in
          up)
            brillo -q -u 30000 -A 5
            ;;
          down)
            brillo -q -u 30000 -U 5
            ;;
          *)
            echo "Invalid argument"
            ;;
          esac
        }
        main() {
          option "$@"
          notify
        }
        main "$@"
      '';
  };
in {
  config = mkIf (elem "backlight" features) {
    home.packages = [ookbrightness];
    ooknet.binds.brightness = {
      up = "ookbrightness up";
      down = "ookbrightness down";
    };
  };
}