{ pkgs, config, lib, ... }:

let
  cfg = config.ptw.services.sddm;
in {
  options.ptw.services.sddm = {
    enable = lib.mkEnableOption "Enable SDDM as a display manager";
    monitors = lib.mkOption {
      description = "The file to use as a monitors.xml";
    };
  };

  config = lib.mkIf cfg.enable {
    assertions = [
      {
        assertion = config.ptw.services.gdm.enable == false;
        message = "Having two display managers is a bad idea";
      }
    ];
    
    services.xserver.displayManager.sddm = {
      enable = true;
      autoNumlock = true;
    };
  };
}