{
  lib,
  config,
  ...
}: {
  options = {
    desktop.hyprland.hypridle.enable = lib.mkEnableOption "hypridle";
  };

  config = lib.mkIf config.desktop.hyprland.hypridle.enable {
    services.hypridle = {
      enable = true;
      settings = {
        general = {
          lock_cmd = "pidof hyprlock || hyprlock"; # avoid starting multiple hyprlock instances.
          before_sleep_cmd = "loginctl lock-session"; # lock before suspend.
          after_sleep_cmd = "hyprctl dispatch dpms on"; # to avoid having to press a key twice to turn on the display.
        };

        listener = [
          {
            timeout = 90; # 1.5min.
            on-timeout = "brightnessctl -s set 10"; # set monitor backlight to minimum, avoid 0 on OLED monitor.
            on-resume = "brightnessctl -r"; # monitor backlight restore.
          }

          # turn off keyboard backlight, comment out this section if you dont have a keyboard backlight.
          {
            timeout = 120; # 3min
            on-timeout = "loginctl lock-session"; # lock screen when timeout has passed
          }

          {
            timeout = 210; # 3.5min
            on-timeout = "hyprctl dispatch dpms off"; # screen off when timeout has passed
            on-resume = "hyprctl dispatch dpms on"; # screen on when activity is detected after timeout has fired.
          }

          {
            timeout = 1800; # 30min
            on-timeout = "systemctl suspend"; # suspend pc
          }
        ];
      };
    };
  };
}