gui(niri): Use waypaper to play wallpaper instead of swaybg

home/modules/programs/waypaper.nix

@@ -0,0 +1,43 @@
+{
+  lib,
+  config,
+  pkgs,
+  ...
+}: let
+  cfg = config.youthlic.programs.waypaper;
+in {
+  options = {
+    youthlic.programs.waypaper = {
+      enable = lib.mkEnableOption "waypaper";
+    };
+  };
+  config = lib.mkIf cfg.enable {
+    home.packages = with pkgs; [waypaper socat mpvpaper];
+    systemd.user = {
+      timers."waypaper" = {
+        Unit = {
+          Description = "Set a random wallpaper every 10 minutes";
+        };
+        Timer = {
+          Persistent = true;
+          OnCalendar = "*:0/10";
+        };
+        Install = {
+          WantedBy = ["timers.target"];
+        };
+      };
+      services."waypaper" = {
+        Unit = {
+          Description = "Set a random wallpaper with waypaper";
+        };
+        Service = {
+          Type = "oneshot";
+          ExecStart = lib.escapeShellArgs [
+            (lib.getExe pkgs.waypaper)
+            "--random"
+          ];
+        };
+      };
+    };
+  };
+}