feat(nixos:appearance): move appearance options to nixos

nixos/options/appearance/default.nix

@@ -0,0 +1,77 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib) isString hasPrefix removePrefix mkOption mkOptionType;
+  inherit (lib.types) enum str nullOr package path int attrsOf coercedTo;
+  hexColorType = mkOptionType {
+    name = "hex-color";
+    descriptionClass = "noun";
+    description = "RGB color in hex format";
+    check = x: isString x && !(hasPrefix "#" x);
+  };
+
+  mkFontOption = {
+    family = mkOption {
+      type = str;
+      default = "";
+    };
+    package = mkOption {
+      type = package;
+      default = null;
+    };
+  };
+
+  cfg = config.ooknet.appearance;
+in {
+  imports = [./palettes];
+  options.ooknet.appearance = {
+    theme = mkOption {
+      type = nullOr (enum ["minimal" "phone"]);
+      default = null;
+    };
+    fonts = {
+      monospace = mkFontOption;
+      regular = mkFontOption;
+    };
+    wallpaper = {
+      path = mkOption {
+        type = path;
+        default = null;
+      };
+    };
+    cursor = {
+      package = mkOption {
+        type = package;
+        default = null;
+      };
+      name = mkOption {
+        type = str;
+        default = "";
+      };
+      size = mkOption {
+        type = int;
+        default = 22;
+      };
+    };
+    colorscheme = {
+      name = mkOption {
+        type = enum ["hozen"];
+        default = "hozen";
+      };
+      variant = mkOption {
+        type = enum ["dark" "light"];
+        default = "dark";
+      };
+      slug = mkOption {
+        type = str;
+        default = "${toString cfg.colorscheme.name}-${toString cfg.colorscheme.variant}";
+      };
+      palette = mkOption {
+        type = attrsOf (coercedTo str (removePrefix "#") hexColorType);
+        default = {};
+      };
+    };
+  };
+}