flake/home/applications/swayidle/default.nix

{
  pkgs,
  lib,
  config,
  ...
}:
{
  imports = [
    ../swaylock
  ];

  services.swayidle =
    let
      lock = lib.getExe config.programs.swaylock.package;
      brightness = lib.getExe pkgs.brightnessctl;
    in
    {
      enable = true;
      timeouts = [
        {
          timeout = 60 * 9;
          command = "${brightness} -s set 20%";
          resumeCommand = "${brightness} -r";
        }
        {
          timeout = 60 * 10;
          command = "systemctl suspend";
        }
      ];
      events = [
        {
          event = "lock";
          command = lock;
        }
        {
          event = "before-sleep";
          command = lock;
        }
      ];
    };
}