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

let
  cfg = config.${namespace}.desktop-environment;
in {

  options.${namespace}.desktop-environment = {
    xfce = {
      enable = lib.mkEnableOption "XFCE desktop environment";
    };
    gnome = {
      enable = lib.mkEnableOption "GNOME desktop environment";
    };
    kde = {
      enable = lib.mkEnableOption "KDE Plasma desktop environment";
    };
    cosmic = {
      enable = lib.mkEnableOption "Cosmic desktop environment";
    };
    hyprland = {
      enable = lib.mkEnableOption "hyprland Wayland shell"
    };
  };

  config = lib.mkMerge [
    (lib.mkIf cfg.xfce.enable {
      services.xserver = {
        enable = true;
        desktopManager = {
          xfce.enable = true;
        };
      };
      environment.systemPackages = with pkgs; [
        xfce.xfce4-pulseaudio-plugin
        xfce.xfce4-clipman-plugin
        xfce.xfce4-screenshooter
        xfce.xfce4-whiskermenu-plugin
        thunar-archive-plugin
        thunar-volman
        gvfs
        gnome-keyring
        libgnome-keyring
      ];
    })

    (lib.mkIf cfg.gnome.enable {
      services.xserver = {
        enable = true;
        desktopManager.gnome.enable = true;
      };
      environment.systemPackages = with pkgs; [
        gnome-tweaks
        gnome-software
        gnomeExtensions.pop-shell
        gnome-remote-desktop
      ];
    })

    (lib.mkIf cfg.kde.enable {
      services.xserver.enable = true;
      services.desktopManager.plasma6.enable = true;
      environment.systemPackages = with pkgs; [
        kdePackages.qtwebsockets
        kdePackages.qtwebchannel
        kdePackages.korganizer
        kdePackages.akonadi
        kdePackages.akonadi-calendar
        kdePackages.akonadi-contacts
        kdePackages.kaddressbook
        kdePackages.kmail
        kdePackages.kdepim-runtime
        kdePackages.kontact
        kdePackages.kidentitymanagement
        kdePackages.libkdepim
        kdePackages.kwin
        kdePackages.plasma-workspace
        gnome-keyring
        libgnome-keyring
      ];
    })
    (lib.mkIf cfg.cosmic.enable {
      services.desktopManager.cosmic.enable = true;
      services.desktopManager.cosmic.xwayland.enable = true;
      environment.systemPackages = with pkgs; [
        
        gnome-keyring
        libgnome-keyring
      ];
    })
  ];

}