initial refactoring

platforms/nixos/modules/nmasur/presets/services/redshift.nix

@@ -0,0 +1,35 @@
+{
+  config,
+  lib,
+  ...
+}:
+
+let
+  cfg = config.nmasur.presets.services.redshift;
+in
+
+{
+
+  options.nmasur.presets.services.redshift.enable = lib.mkEnableOption "Redshift light adjuster";
+
+  config = lib.mkIf cfg.enable {
+
+    # Reduce blue light at night
+    services.redshift = {
+      enable = true;
+      brightness = {
+        day = "1.0";
+        night = "1.0";
+      };
+    };
+
+    # Service to determine location for time zone
+    # This is required for redshift which depends on the location provider
+    services.geoclue2.enable = true;
+    services.geoclue2.enableWifi = false; # Breaks when it can't connect
+    location = {
+      provider = "geoclue2";
+    };
+
+  };
+}