{ config, lib, ... }:
let
  cfg = config.playground;
in
{
  options.playground = {
    hostName = lib.mkOption {
      type = lib.types.str;
      default = "playground";
      description = "The host name used by the example system configuration.";
    };

    motd = lib.mkOption {
      type = lib.types.str;
      default = "hello";
      description = "Text written to /etc/playground-motd.";
    };
  };

  config = {
    networking.hostName = cfg.hostName;
    environment.etc."playground-motd".text = cfg.motd;
  };
}