{ lib, config, ... }:

let
  coreEnabled = config.mySystem.system.core.enable or false;
in
{
  # Top-level option for this module
  options.mySystem.system.locale.enable =
    lib.mkEnableOption "Enable Nix & Flake specific settings";

  # Top-level container for all custom program configs (your myPrograms idea)
  options.myPrograms = lib.mkOption {
    type = lib.types.attrsOf lib.types.any;
    default = {};
    description = "Container for all custom program configurations";
  };

  # Apply the configuration only if core or locale is enabled
  config = lib.mkIf (coreEnabled || config.mySystem.system.locale.enable) {
    nix.settings = {
      experimental-features = [ "nix-command" "flakes" ];
      download-buffer-size = 536870912; # 512 MB
      cores = 2;
      max-jobs = 1;
    };
  };
}