{
  self,
  lib,
  ...
}:
{
  flake.nixosModules.createHost = { lib, config, pkgs, ... }: let
    cfg = config.jcklib.createHost;
  in {
    options.jcklib.createHost = {
      hostName = lib.mkOption {
        type = lib.types.str;
      };
      architecture = lib.mkOption {
        type = lib.types.enum ["x86_64-linux" "aarch64-linux"];
        default = "x86_64-linux";
      };
      userName = lib.mkOption {
        type = lib.types.str;
        default = "jck";
      };
    };

    config = {
      boot.loader = {
        efi = {
          canTouchEfiVariables = true;
          efiSysMountPoint = "/boot"; # ← use the same mount point here.
        };
        grub = {
          efiSupport = true;
          device = "nodev";
          useOSProber = true;
          theme = "${pkgs.fetchFromGitHub { # blue screen of life grub theme
            owner = "scouckel";
            repo = "bsol";
            rev = "a8eedad9e7163dce230ca7886be8e1b4ef81da99";
            sha256 = "sha256-P2q73uM1Ysn1a+0mOGOvee/Q1WAYRGQvfanrasx/8r8";
          }}/bsol";
        };
      };

      boot.kernelPackages = lib.mkDefault pkgs.linuxPackages_latest;
      hardware.firmware = with pkgs; [
        linux-firmware
      ];
      hardware.enableRedistributableFirmware = true;

      system.name = cfg.hostName;
      networking.hostName = cfg.hostName;

      networking.networkmanager.enable = true;

      time.timeZone = lib.mkDefault "US/Central";
      i18n.defaultLocale = "en_US.UTF-8";
      i18n.extraLocaleSettings = {
        LC_ADDRESS = "en_US.UTF-8";
        LC_IDENTIFICATION = "en_US.UTF-8";
        LC_MEASUREMENT = "en_US.UTF-8";
        LC_MONETARY = "en_US.UTF-8";
        LC_NAME = "en_US.UTF-8";
        LC_NUMERIC = "en_US.UTF-8";
        LC_PAPER = "en_US.UTF-8";
        LC_TELEPHONE = "en_US.UTF-8";
        LC_TIME = "en_US.UTF-8";
      };

      services.xserver.xkb = {
        layout = "us";
        variant = "";
      };

      users.users.${cfg.userName} = {
        isNormalUser = true;
        description = cfg.userName;
        extraGroups = ["networkmanager" "wheel"];
        # shell = self.packages.fish; # UPDATE WITH WRAPPED FISH CONFIG LATER
      };

      nixpkgs.config.allowUnfree = true;
      nix.settings = {
        experimental-features = ["nix-command" "flakes"];
        auto-optimise-store = true;
      };

      services.openssh = {
        enable = true;
        settings.PermitRootLogin = "no";
      };

      system.stateVersion = "25.05";
    };
  };
}