{
  pkgs,
  config,
  lib,
  ...
}:
let
  cfg = config.xyno.presets.gui;
in
{
  options.xyno.presets.gui.enable = lib.mkEnableOption "enables xynos gui config";
  options.xyno.presets.gui.terminalEmulator = lib.mkOption {
    type = lib.types.str;
    default = "alacritty";
  };
  config = lib.mkIf cfg.enable {
    xyno.desktop.niri.enable = true;
    xyno.desktop.audio.enable = lib.mkDefault true;
    xyno.desktop.mate-polkit.enable = true;
    xyno.hardware.kmonad.enable = true;
    # wayland on electron
    environment.sessionVariables.NIXOS_OZONE_WL = "1";
    services.displayManager.defaultSession = "niri";
    # gdm
    services.xserver.displayManager.gdm.enable = true;
    services.xserver.enable = true;
    services.xserver.displayManager.gdm.wayland = true;
    # ssh agent
    programs.ssh.startAgent = true;

    qt = {
      enable = true;
      style = "breeze";
      platformTheme = "kde";
    };

    # setup printing
    services.avahi = {
      enable = true;
      nssmdns4 = true;
      nssmdns6 = true;
      openFirewall = true;
    };
    services.printing.enable = true;

    # enable the gnome shit
    services.gnome.gnome-keyring.enable = true;
    services.gnome.gnome-online-accounts.enable = true;
    services.gnome.core-utilities.enable = true;
    services.gnome.sushi.enable = true;
    services.gnome.gnome-settings-daemon.enable = true;
    services.gvfs.enable = true;

    home-manager.users.${config.xyno.system.user.name} =
      { pkgs, ... }:
      {
        xdg.desktopEntries.nemo = {
          name = "Nemo";
          exec = "${pkgs.nemo-with-extensions}/bin/nemo";
        };
        xdg.mimeApps = {
          enable = true;
          defaultApplications = {
            "inode/directory" = [ "nemo.desktop" ];
            "application/x-gnome-saved-search" = [ "nemo.desktop" ];
            "x-scheme-handler/http" = "userapp-Zen-D2P132.desktop";
            "x-scheme-handler/https" = "userapp-Zen-D2P132.desktop";
            "x-scheme-handler/chrome" = "userapp-Zen-D2P132.desktop";
            "text/html" = "userapp-Zen-D2P132.desktop";
            "application/x-extension-htm" = "userapp-Zen-D2P132.desktop";
            "application/x-extension-html" = "userapp-Zen-D2P132.desktop";
            "application/x-extension-shtml" = "userapp-Zen-D2P132.desktop";
            "application/xhtml+xml" = "userapp-Zen-D2P132.desktop";
            "application/x-extension-xhtml" = "userapp-Zen-D2P132.desktop";
            "application/x-extension-xht" = "userapp-Zen-D2P132.desktop";
            "application/pdf" = "org.gnome.Evince.desktop";

          };
        };
      };

    environment.systemPackages = with pkgs; [
      nemo-with-extensions
      kdePackages.breeze-gtk
      kdePackages.breeze.qt5
      kdePackages.breeze
      kdePackages.breeze-icons
    ];

    # fonts
    fonts.packages = with pkgs; [
      nerdfonts
      cantarell-fonts
      dejavu_fonts
      source-code-pro # Default monospace font in 3.32
      source-sans
      b612

    ];

  };
}