{
  inputs,
  config,
  lib,
  pkgs,
  namespace,
  ...
}: let
  inherit (lib) mkIf mkEnableOption;

  cfg = config.${namespace}.application.steam;
in {
  options.${namespace}.application.steam = {
    enable = mkEnableOption "enable steam";
  };

  config = mkIf cfg.enable {
    programs = {
      steam = {
        enable = true;
        package = pkgs.steam.override {
          extraEnv = {
            DXVK_HUD = "compiler";
            MANGOHUD = true;
          };
        };

        # gamescopeSession = {
        #   enable = true;
        #   args = ["--immediate-flips"];
        # };
      };

      # https://github.com/FeralInteractive/gamemode
      # gamemode = {
      #   enable = true;
      #   enableRenice = true;
      #   settings = {};
      # };

      # gamescope = {
      #   enable = true;
      #   capSysNice = true;
      #   env = {
      #     DXVK_HDR = "1";
      #     ENABLE_GAMESCOPE_WSI = "1";
      #     WINE_FULLSCREEN_FSR = "1";
      #     WLR_RENDERER = "vulkan";
      #   };
      #   args = ["--hdr-enabled"];
      # };
    };
  };
}