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

let
  cfg = config.gaming;
in
{
  options.gaming.enable = lib.mkEnableOption "gaming";

  config = lib.mkIf cfg.enable {
    nixpkgs.allowedUnfree = [
      "steam"
      "steam-unwrapped"
      "lutris"
    ];

    hardware.graphics = {
      enable32Bit = true;
      extraPackages = with pkgs; [
        dxvk
        vkd3d-proton
      ];
    };

    programs.steam = {
      enable = true;
      remotePlay.openFirewall = false;
      dedicatedServer.openFirewall = false;
    };

    programs.gamemode.enable = true;

    environment.systemPackages = with pkgs; [
      mangohud
    ];

    security.pam.loginLimits = [
      {
        domain = config.host.username;
        type = "hard";
        item = "nofile";
        value = "524288";
      }
    ];
  };
}