Add admin site settings sections and locale defaults

lib/site-settings.ts

@@ -13,6 +13,7 @@ export const SITE_NAME_TOKEN = "{siteName}";
 
 export const DEFAULT_SITE_NAME = "moh-sass";
 export const DEFAULT_SITE_DESCRIPTION = "Multilingual Next.js base project";
+export const DEFAULT_SITE_PRIMARY_COLOR = "#dc5a35";
 
 type SiteLocaleSettings = {
   siteName: string;
@@ -21,7 +22,13 @@ type SiteLocaleSettings = {
   subhead: string;
 };
 
+type SiteBrandSettings = {
+  primaryColor: string;
+};
+
 export type SiteSettings = {
+  defaultLocale: AppLocale;
+  brand: SiteBrandSettings;
   locales: Record<AppLocale, SiteLocaleSettings>;
 };
 
@@ -64,6 +71,20 @@ function normalizeSiteLocaleSettings(
   };
 }
 
+export function normalizeSiteDefaultLocale(input: unknown): AppLocale {
+  return input === "ar" || input === "en" || input === "de" ? input : "de";
+}
+
+export function normalizeSitePrimaryColor(input: unknown): string {
+  if (typeof input !== "string") {
+    return DEFAULT_SITE_PRIMARY_COLOR;
+  }
+
+  const value = input.trim();
+
+  return /^#([0-9a-fA-F]{6})$/.test(value) ? value.toLowerCase() : DEFAULT_SITE_PRIMARY_COLOR;
+}
+
 export function getDefaultSiteSettingsMediaBindings(): SiteSettingsMediaBindings {
   return {
     siteLogoLight: null,
@@ -75,6 +96,10 @@ export function getDefaultSiteSettingsMediaBindings(): SiteSettingsMediaBindings
 
 export function buildDefaultSiteSettings(fallbackName = DEFAULT_SITE_NAME): SiteSettings {
   return {
+    defaultLocale: "de",
+    brand: {
+      primaryColor: DEFAULT_SITE_PRIMARY_COLOR,
+    },
     locales: {
       ar: {
         siteName: fallbackName,
@@ -115,6 +140,14 @@ export function parseSiteSettingsValue(
       : {};
 
     const siteSettings: SiteSettings = {
+      defaultLocale: normalizeSiteDefaultLocale(parsed.defaultLocale),
+      brand: {
+        primaryColor: normalizeSitePrimaryColor(
+          parsed.brand && typeof parsed.brand === "object"
+            ? (parsed.brand as Record<string, unknown>).primaryColor
+            : undefined,
+        ),
+      },
       locales: {
         ar: normalizeSiteLocaleSettings(
           locales.ar && typeof locales.ar === "object" ? (locales.ar as Record<string, unknown>) : {},