{ pkgs, ... }:
{
  systemd.services.no-rgb =
    let
      no-rgb = pkgs.writeScriptBin "no-rgb" ''
        #!/bin/sh
        set -e

        NUM_DEVICES=$(${pkgs.openrgb}/bin/openrgb --noautoconnect --list-devices | ${pkgs.gnugrep}/bin/grep -E '^[0-9]+: ' | ${pkgs.coreutils}/bin/wc -l)

        for i in $(${pkgs.coreutils}/bin/seq 0 $(($NUM_DEVICES - 1))); do
          ${pkgs.openrgb}/bin/openrgb --noautoconnect --device $i --mode direct --color 000000
        done
      '';
    in
    {
      description = "disable rgb";
      serviceConfig = {
        ExecStart = "${no-rgb}/bin/no-rgb";
        Type = "oneshot";
      };
      wantedBy = [ "multi-user.target" ];
    };

  services.hardware.openrgb.enable = true;
  services.udev.packages = [ pkgs.openrgb ];
  hardware.i2c.enable = true;

  environment.systemPackages = with pkgs; [
    openrgb-with-all-plugins
  ];

}