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

let
  cfg = config.ctucxConfig.programs.ddcutil;

in {

  options = {
    ctucxConfig.programs.ddcutil = {
      enable = lib.mkEnableOption "ddcutil";
    };
  };

  config = lib.mkIf cfg.enable {
    boot.kernelModules = [ "i2c-dev" ];

    security.sudo.extraRules= [
      {  users = [ "katja" ];
        commands = [
           { command = "${pkgs.ddcutil}/bin/ddcutil" ;
             options= [ "NOPASSWD" ];
          }
        ];
      }
    ];

    home-manager.users.katja = {
      home.packages = [ pkgs.ddcutil ];
    };
  };

}