{
  config,
  lib,
  pkgs,
  ...
}:
with lib; let
  cfg = config.local.sys.defaultDesktopPack;
in {
  options.local.sys.defaultDesktopPack = {
    enable = mkEnableOption "common desktop programs and services";
  };
  config = mkIf cfg.enable {
    local.sys = {
      baseline.enable = true;

      audio.enable = true;
      graphics.enable = true;
      gtklock.enable = true;
      steam.enable = true;

      users = {
        fabian = {
          enable = true;
          unixId = 1002; #TODO !!!!!!
        };
      };
    };

    trivium = {
      sway.enable = true;
      trivionomiconMotd.enable = true;
    };

    networking = {
      networkmanager.enable = true;
      useDHCP = false; # The global useDHCP flag is deprecated, therefore explicitly set to false here.
    };
  };
}