{
  config,
  pkgs,
  lib,
  ...
}: let
  user = "tzlil";

  users.users.greeter.packages = [pkgs.sway];
  greet = "${pkgs.greetd.gtkgreet.out}/bin/gtkgreet -l -s ${pkgs.writeText "gtkgreet.css" "
window {
  background-image: url(\"${pkgs.fetchurl {
      url = "https://i.imgur.com/D6qCaQG.png";
      sha256 = "sha256-Yt5JxmqN6++76cWu8EI/gsmelsJT/3jvLxyeRASQUhI=";
    }}\");
  background-size: cover;
  background-position: center;
  color: white;
}

box#body {
  background-color: rgba(50, 50, 50, 0.8);
  border-radius: 40px;
  padding: 50px;
}

# log in text
.text-button {
  color: white;
}


"}";

  kiosk = command: "${pkgs.cage.out}/bin/cage -- ${command}";
in {
  options.greeter.initialSession = lib.mkOption {
    type = lib.types.str;
    default = "${pkgs.sway.out}/bin/sway";
  };

  config = {
    environment.etc."greetd/environments".text =
      "sway\n"
      + "$SHELL -l\n";

    services.greetd = {
      enable = true;
      settings = {
        default_session = {
          inherit user;
          command = kiosk "${greet} -l &>/dev/null";
        };
        initial_session = {
          inherit user;
          command = config.greeter.initialSession;
        };
      };
    };
  };
}