# Modules that are common to various module systems
# Usually with very small differences, if any, between them.
{ lib, _class, ... }:
let
  allowedClass = [
    "darwin"
    "home"
    "nixos"
  ];

  allowedClassString = lib.concatStringSep ", " (builtins.map lib.escapeNixString allowedClass);
in
{
  imports = [
    ./profiles
  ];

  config = {
    assertions = [
      {
        assertion = type != null;
        message = ''
          You must provide `type` as part of specialArgs to use the common modules.
          It must be one of ${allowedClassString}.
        '';
      }
      {
        assertion = type != null -> builtins.elem type allowedClass;
        message = ''
          `type` specialArgs must be one of ${allowedClassString}.
        '';
      }
    ];
  };
}