I don't know if i like this

nixosModules/DM/autoLogin.nix

@@ -0,0 +1,19 @@
+{ config, lib }:
+{
+  options.local.DM = {
+    autoLogin = lib.mkEnableOption "";
+    loginUser = lib.mkOption {
+      type = lib.types.nullOr lib.types.str;
+      default = null;
+    };
+  };
+
+  config = lib.mkIf config.local.DM.autoLogin {
+    services.displayManager = {
+      autoLogin = {
+        enable = true;
+        user = config.local.DM.loginUser;
+      };
+    };
+  };
+}

nixosModules/DM/lightDM.nix

@@ -0,0 +1,47 @@
+{
+  self',
+  config,
+  lib,
+}:
+{
+  options.local.DM.lightdm.enable = lib.mkEnableOption "";
+
+  config = lib.mkIf config.local.DM.lightdm.enable {
+    services.xserver.displayManager = {
+      lightdm = {
+        enable = true;
+        background = "${self'.packages.images}/recursion.png";
+        extraConfig = "minimum-vt=1";
+        greeters.mini = {
+          enable = true;
+          user = config.local.DM.loginUser;
+          extraConfig = ''
+            [greeter]
+            show-password-label = false
+            password-label-text =
+            invalid-password-text =
+            show-input-cursor = false
+            password-alignment = center
+            password-input-width = 19
+            show-image-on-all-monitors = true
+
+
+            [greeter-theme]
+            font = "OverpassMono Nerd Font"
+            font-size = 1.1em
+            text-color = "#7AA2F7"
+            error-color = "#DB4B4B"
+            background-color = "#000000"
+            window-color = "#000000"
+            border-color = "#000000"
+            password-character = -1
+            password-color = "#7AA2F7"
+            password-background-color = "#24283B"
+            password-border-color = "#000000"
+            password-border-radius = 0.341125em
+          '';
+        };
+      };
+    };
+  };
+}