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

let
  hardDrives = config.numbus.hardware.spindownDisksList;
in

{
  config = {
    systemd.services.hd-idle = {
      description = "External HD spin down daemon";
      wantedBy = [ "multi-user.target" ];
      serviceConfig = {
        Type = "simple";
        ExecStart =
          let
            idleTime = toString 1800;
            hardDriveParameter = lib.strings.concatMapStringsSep " " (x: "-a ${x} -i ${idleTime}") hardDrives;
          in
          "${pkgs.hd-idle}/bin/hd-idle -i 0 ${hardDriveParameter}";
      };
    };

    services.autoaspm.enable = true;
    powerManagement.powertop.enable = true;
    boot.kernelParams = [
      "pcie_aspm=force"
      "consoleblank=60"
    ];
  };
}