{
  lib,
  self,
  inputs,
  ...
}: let
  inherit (lib.lists) optionals concatLists;

  # profiles module, these are sensible defaults for given hardware sets
  # or meta profiles that are used to configure the system based on the requirements of the given machine
  profilesPath = ../modules/profiles; # the base directory for the types module

  # hardware profiles
  laptop = profilesPath + /laptop; # for laptop type configurations
  desktop = profilesPath + /desktop; # for desktop type configurations
  server = profilesPath + /server; # for server type configurations

  # meta profiles
  graphical = profilesPath + /graphical; # for systems that have a graphical interface
  headless = profilesPath + /headless; # for headless systems
in {
  imports = [inputs.easy-hosts.flakeModule];

  config.easy-hosts = {
    shared.specialArgs = {
      inherit (inputs.haipkgs) haiLib;
    };
    perClass = class: {
      modules = concatLists [
        [
          # import the class module, this contains the common configurations between all systems of the same class
          "${self}/modules/${class}/default.nix"
        ]

        (optionals (class != "iso") [
          # import the home module, which is users for configuring users via home-manager
          "${self}/home/default.nix"

          # import the base module, this contains the common configurations between all systems
          "${self}/modules/base/default.nix"
        ])
      ];
    };

    # This is the list of system configuration
    #
    # the defaults consists of the following:
    #  arch = "x86_64";
    #  class = "nixos";
    #  deployable = false;
    #  modules = [ ];
    #  specialArgs = { };
    hosts = {
      nyx = {
        modules = [
          desktop
          graphical
        ];
      };

      ptocheia = {
        modules = [
          laptop
          graphical
        ];
      };

      theia = {
        deployable = true;
        modules = [
          server
          headless
        ];
      };
    };
  };
}