{inputs, pkgs, ...}: 
{
  services.hypridle = {
    enable = true;
    settings = {
      general = {
        lock_cmd = "pidof hyprlock || hyprlock";     # avoid starting multiple hyprlock instances.
        after_sleep_cmd = "hyprctl dispatch dpms on";
        ignore_dbus_inhibit = false;
      };

      listener = [
        {
          # dim screen after 4 minutes
          timeout = 240;
          on-timeout = "brightnessctl -s set 10";
          # set monitor backlight to minimum, avoid 0 on OLED monitor.
          on-resume = "brightnessctl -r";
          # monitor backlight restore.
        }
        {
          # lock screen after 5 minutes
          timeout = 300;
          on-timeout = "loginctl lock-session";
        }
        {
          # turnoff screen after 10 minutes
          timeout = 600;
          on-timeout = "hyprctl dispatch dpms off";
          on-resume = "hyprctl dispatch dpms on";
        }

        # TODO - suspend after some time
      ];
    };

  };
}