{
  pkgs,
  lib,
  config,
  ...
}:
let
  inherit (lib) mkEnableOption mkOption mkIf;
  inherit (lib.types) package str;
  inherit (lib.my) getExe;
  cfg = config.modules.system.roles.desktop;
in
{
  options.modules.system.roles.desktop = {
    enable = mkEnableOption "desktop usage features";

    terminal = mkOption {
      type = package;
      default = pkgs.foot;
      description = ''
        The default terminal emulator used on the system.
        To be used by other options and configurations.
      '';
    };
    filemanager = mkOption {
      type = package;
      default = pkgs.nautilus;
      description = '''';
    };
    runner = {
      package = mkOption {
        type = package;
        default = pkgs.fuzzel;
        description = ''
          The runner to use.
        '';
      };

      dmenu = mkOption {
        type = str;
        default = "--dmenu";
        apply = val: "${getExe cfg.runner.package} ${val}";
        description = ''
          Flags necessary to execute the runner in its dmenu compatibility mode.
        '';
      };
    };
  };
  config = mkIf cfg.enable {
    environment.systemPackages = [
      cfg.terminal
      cfg.filemanager
    ];
  };
}