{
  config,
  inputs,
  lib,
  perSystem,
  pkgs,
  ...
}:
with lib; let
  cfg = config.desktop.dms;
in {
  imports = with inputs; [
    dms.nixosModules.dank-material-shell
    dms.nixosModules.greeter
    niri-flake.nixosModules.niri
  ];
  options = {
    desktop.dms.enable =
      mkEnableOption "enable DankMaterialShell";
  };
  config = mkIf cfg.enable {
    xdg.portal = {
      enable = true;
      extraPortals = with pkgs; [xdg-desktop-portal-gnome xdg-desktop-portal-gtk];
      config.niri.default = ["gnome" "gtk"];
      config.common."org.freedesktop.impl.portal.Secret" = ["gnome-keyring"];
    };

    environment.systemPackages = with pkgs; [
      libnotify
    ];

    module.gnome-keyring.enable = true;
    module.pipewire.enable = true;

    services.gvfs.enable = true;
    systemd.user.services.niri-flake-polkit.enable = false;

    programs = {
      niri.enable = true;
      niri.package = perSystem.niri-flake.niri-unstable;
      dank-material-shell = {
        enable = true;
        greeter = {
          enable = true;
          configHome = "/home/user";
          compositor.name = "niri";
        };
      };
    };
  };
}