{ pkgs, config, lib, ... }:

let
  username = config.defaultUser or "henrov";
in
{
  # Install Thunar and essential plugins
  environment.systemPackages = with pkgs; [
    thunar                  # main file manager
    thunar-archive-plugin    # archive support (zip, tar, etc.)
    thunar-volman            # auto-mount removable drives
    gvfs                     # virtual filesystem for external drives
    xarchiver                 # optional GUI archive manager
  ];

  # Home Manager session variables
  home-manager.users.${username} = {
    home.sessionVariables = {
      FILE_MANAGER = "thunar";
      USERNAME     = username;
    };
  };
}