{
  pkgs,
  config,
  lib,
  inputs,
  ...
}: let
  service = "syncthing";
  cfg = config.darwin.${service};
in {

  options.darwin.${service} = {
    enable = lib.mkEnableOption "enables syncthing";
    host = lib.mkOption {
      type = lib.types.nullOr lib.types.str;
      default = config.networking.hostName;
    };
  };

  config = lib.mkIf cfg.enable {
#    environment.systemPackages = with pkgs; [
#      syncthing
#      syncthingtray
#    ];
#
    homebrew = {
#      brews = [
#        "syncthing"
#      ];
      casks = [
        "syncthing-app"
      ];
    };
  };
}