{
  config,
  pkgs,
  lib,
  ...
}:
with lib;
let
  cfg = config.aviallon.desktop;
in
{
  config = mkIf (cfg.enable && (cfg.environment == "gnome")) {
    services.xserver.desktopManager.gnome = {
      enable = true;
    };
    services.xserver.displayManager.gdm = {
      enable = true;
    };

    services.gnome = {
      sushi.enable = true;
      tracker.enable = true;
      tracker-miners.enable = true;
      core-shell.enable = true;
      gnome-keyring.enable = true;
      glib-networking.enable = true;
      gnome-user-share.enable = true;
      core-os-services.enable = true;
      gnome-remote-desktop.enable = true;
      gnome-online-miners.enable = true;
      gnome-initial-setup.enable = true;
      gnome-settings-daemon.enable = true;
      gnome-online-accounts.enable = true;
      gnome-browser-connector.enable = true;
    };

    qt5.platformTheme = "gnome"; # Force Gnome theme for better UX

    xdg.portal = {
      enable = mkDefault true;
    };

    programs.chromium.extensions = [
      "gphhapmejobijbbhgpjhcjognlahblep" # Gnome Shell integration
    ];

    programs.firefox.enable = true;
    programs.firefox.nativeMessagingHosts.packages = [ pkgs.gnomeExtensions.bowser-gnome-extension ];

    aviallon.programs.libreoffice.enable = true;

    environment.systemPackages =
      with pkgs;
      [ guake ]
      ++ (with gnome; [
        gnome-software
      ])
      ++ (with gnomeExtensions; [
        gamemode
        dash-to-dock
        dash-to-dock-toggle
        dash-to-dock-animator
        tray-icons-reloaded
      ]);
    systemd.packages = with pkgs; [
      gnomeExtensions.gamemode
      gnomeExtensions.dash-to-dock
      gnomeExtensions.dash-to-dock-animator
      gnomeExtensions.dash-to-dock-toggle
      gnomeExtensions.tray-icons-reloaded
    ];
  };
}