Migrate graphical-session services to systemd

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

users/configs/ags/config/src/index.ts

@@ -15,3 +15,5 @@ App.config({
     ...forMonitors(bar),
   ]
 });
+
+Utils.execAsync('systemd-notify --ready')

users/configs/ags/default.nix

@@ -20,19 +20,41 @@ in
       output_path = "${hmConfig.xdg.configHome}/ags/theme.sass";
     };
 
-    wayland.windowManager.hyprland.initExtraConfig = "${lib.meta.getExe (pkgs.writeShellApplication {
-      name = "init-ags";
-      runtimeInputs = with pkgs; [
-        inputs.ags.packages.${stdenv.hostPlatform.system}.default
-        sassc
-        hyprland
-        nixos-icons
-        rofi-wayland
-        wl-clipboard
-        cliphist
-        libdbusmenu-gtk3
-      ];
-      text = "ags &> /tmp/ags.log";
-    })} &";
+    systemd.user = {
+      targets.tray.Unit = {
+        BindsTo = [ "ags.service" ];
+        After = [ "graphical-session.target" "ags.service" ];
+      };
+
+      services.ags = {
+        Unit = {
+          Description = "Desktop widget shell";
+          BindsTo = [ "graphical-session.target" ];
+          After = [ "graphical-session.target" ];
+        };
+
+        Service = {
+          Type = "notify";
+          NotifyAccess = "all";
+
+          ExecStart = lib.meta.getExe (pkgs.writeShellApplication {
+            name = "init-ags";
+            runtimeInputs = with pkgs; [
+              inputs.ags.packages.${stdenv.hostPlatform.system}.default
+              sassc
+              hyprland
+              nixos-icons
+              rofi-wayland
+              wl-clipboard
+              cliphist
+              libdbusmenu-gtk3
+            ];
+            text = "exec ags";
+          });
+        };
+
+        Install.WantedBy = [ "graphical-session.target" ];
+      };
+    };
   };
 }