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

let
  enableProgram = config.enableThunar or false;
  username = config.defaultUser or "henrov";
in
{
  # Top-level toggle
  options.enableThunar = lib.mkEnableOption "Enable Thunar file manager";

  # Config assignments
  config = lib.mkIf enableProgram {
    # Install Thunar and related packages system-wide
    environment.systemPackages = [
      pkgs.thunar
      pkgs.thunar-plugins
      pkgs.xarchiver
    ];

    # Optional: any user-specific tweaks can go here, e.g. environment variables
    home.sessionVariables = {
      FILE_MANAGER = "thunar";
      USERNAME = username;
    };
  };
}