{ pkgs, lib, ... }:

{
  # Core system-side support for file management.
  # This provides the backend services required by Thunar (and other file
  # managers) to function correctly on a standalone compositor.

  services.gvfs.enable = lib.mkDefault true;    # Mount, trash, and other file system operations
  services.tumbler.enable = lib.mkDefault true; # Thumbnail support for images/videos/etc.

  # Explicitly enable Thunar for D-Bus integration
  programs.thunar.enable = lib.mkDefault true;

  # Required for drive management (mount/unmount) and other privileged actions
  security.polkit.enable = true;

  # Allow Thunar to use gvfs (trash, network mounts, etc.)
  programs.thunar.plugins = with pkgs.xfce; [
    thunar-archive-plugin
    thunar-volman
    thunar-media-tags-plugin
  ];

  # Supporting utilities for Thunar and general file management
  environment.systemPackages = with pkgs; [
    ffmpegthumbnailer # Video thumbnails
    libgsf            # ODF thumbnails
    poppler-utils     # PDF thumbnails
    xfce.exo          # Required for "Open Terminal Here" and other associations
    shared-mime-info  # Standard MIME database
  ];
}