nix-conf/modules/steam/default.nix

{ config, lib, ... }:

let cfg = config.jopejoe1.steam;
in {
  options.jopejoe1.steam = { enable = lib.mkEnableOption "Enable Steam"; };

  config = lib.mkIf cfg.enable {
    hardware.steam-hardware.enable = true;

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

    programs.steam.gamescopeSession.enable = true;
  };
}