working desktop environment config

modules/nixos/desktop-environment/default.nix

@@ -1,86 +1,89 @@
-{ config, lib, pkgs, namespace, options, ... }:
+{ config, lib, pkgs, namespace, ... }:
 
 let
-  desktop-environment = config.${namespace}.desktop-environment;
+  cfg = config.${namespace}.desktop-environment;
-  xfce = config.${namespace}.desktop-environment.xfce;
-  gnome = config.${namespace}.desktop-environment.gnome;
-  plasma = config.${namespace}.desktop-environment.plasma;
 in {
 
-  options.${namespace}.desktop-environment = lib.mkOption {
+  options.${namespace}.desktop-environment = {
-    type = lib.types.attrsOf lib.types.any;
-    description = "Configuration options for desktop environments.";
-    default = { };
     xfce = {
-      enable = lib.mkEnableOption "Enable xfce desktop environment.";
+      enable = lib.mkEnableOption "XFCE desktop environment";
     };
     gnome = {
-      enable = lib.mkEnableOption "Enable gnome desktop environment.";
+      enable = lib.mkEnableOption "GNOME desktop environment";
     };
-    plasma = {
+    kde = {
-      enable = lib.mkEnableOption "Enable plasma desktop environment.";
+      enable = lib.mkEnableOption "KDE Plasma desktop environment";
     };
+    cosmic = {
+      enable = lib.mkEnableOption "Cosmic desktop environment";
+    }
   };
-  config = lib.mkIf xfce.enable {
+
-    xserver = {
+  config = lib.mkMerge [
-      enable = true; # Enable the deprecated X11 teletype terminal connection system. 
+    (lib.mkIf cfg.xfce.enable {
-      desktopManager = {
+      services.xserver = {
-        xfce.enable = true;
+        enable = true;
+        desktopManager = {
+          xfce.enable = true;
+        };
       };
-    };
+      environment.systemPackages = with pkgs; [
-    environment.systemPackages = with pkgs; [
+        xfce.xfce4-pulseaudio-plugin
-      xfce.xfce4-goodies
+        xfce.xfce4-clipman-plugin
-      xfce.xfce4-pulseaudio-plugin
+        xfce.xfce4-screenshooter
-      xfce.xfce4-clipman-plugin
+        xfce.xfce4-whiskermenu-plugin
-      xfce.xfce4-screenshooter
+        thunar-archive-plugin
-      xfce.xfce4-whiskermenu-plugin
+        thunar-volman
-      thunar-archive-plugin
+        gvfs
-      thunar-volman
+        gnome-keyring
-      gvfs
+        libgnome-keyring
-      gvfs-mtp
+      ];
-      gvfs-afc
+    })
-      gvfs-goa
-      gnome-keyring
-      libgnome-keyring
-    ];
-  } ++ lib.mkIf gnome.enable {
 
-    desktopManager.gnome.enable = true;
+    (lib.mkIf cfg.gnome.enable {
-    environment.systemPackages = with pkgs; [
+      services.xserver = {
-      gnome-tweaks
+        enable = true;
-      gnome-software
+        desktopManager.gnome.enable = true;
-      gnomeExtensions.pop-shell
+      };
-      gnome-remote-desktop
+      environment.systemPackages = with pkgs; [
-    ];
+        gnome-tweaks
+        gnome-software
+        gnomeExtensions.pop-shell
+        gnome-remote-desktop
+      ];
+    })
 
-  } ++ lib.mkIf plasma.enable {
+    (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; [
         
-    desktopManager.plasma6.enable = true;
+        gnome-keyring
-    environment.systemPackages = with pkgs kdePackages; [
+        libgnome-keyring
-
+      ];
-      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
-
-      plasma.plasma-desktop
-      plasma.plasma-nm
-      plasma.plasma-pa
-      
-      gnome-keyring
-      libgnome-keyring
-    ];
-
-  };
 
 }