{ lib, config, pkgs, flakeRoot, import-tree, home-manager, ... }:

let
  hostname = "traveldroid";

  # Paths to your host modules and user modules
  modulesPath = "${flakeRoot}/generated/modules/${hostname}";
  usersPath   = "${flakeRoot}/generated/users";

  # Import all modules using import-tree
  hostModules = import-tree modulesPath;
  globalUsers = import-tree usersPath;

  allModules = hostModules.imports ++ globalUsers.imports;

in
{
  #################################
  # Core system config
  #################################
  networking.hostName = hostname;
  system.stateVersion = "26.05";

  #################################
  # Imports
  #################################
  imports =
    [
      ./boot.nix
      ./hardware-configuration.nix

      # Home Manager module
      home-manager.nixosModules.home-manager
    ]
    ++ allModules;

  #################################
  # Home Manager integration
  #################################
  home-manager.useGlobalPkgs = true;
  home-manager.useUserPackages = true;

  # Merge all _module.args.hmUsers from modules into Home Manager users
  home-manager.users = lib.foldl' (acc: m:
    acc // (builtins.getAttr "_module" m
            ? args && m._module.args ? hmUsers
            then m._module.args.hmUsers
            else {}))
    {}
    allModules;

  #################################
  # System packages & helpers
  #################################
  environment.systemPackages = [
    pkgs.dconf
  ];

  programs.dconf.enable = true;
}