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2026-09-11 02:46:56 +02:00
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+/* ============================================================================
+   SITE NAVIGATION DATA
+   ----------------------------------------------------------------------------
+   Builds the <Navigation /> tree and the <Footer /> sitemap from ONE source:
+   `ROUTE_SLUGS` (which `app/routes.ts` also builds the route table from) plus
+   the `nav.sections.*` labels in the message catalogues. Slugs, routes, header
+   links and footer links therefore cannot drift apart.
+
+   <Footer />'s own defaults use a shorter slug set (/en/events, /en/news, ...);
+   the shell passes these groups explicitly so both bars point at the routes
+   that actually exist.
+
+   When the CMS is wired, replace these two functions with a Strapi
+   site-settings query - the shapes they return are exactly what both
+   components accept as props.
+   ========================================================================= */
+
+import type { FooterLinkGroup } from "~/components/ui/Footer";
+import type { NavItem } from "~/components/ui/Navigation";
+import type { Locale } from "~/i18n/config";
+import { ROUTE_SECTION_GROUPS, sectionPath, type RouteSlugKey } from "~/i18n/paths";
+import { getMessages } from "~/i18n/t";
+
+/** Section labels for a locale, keyed the same way as `ROUTE_SLUGS`. */
+function sectionLabels(locale: Locale) {
+  return getMessages(locale).nav.sections;
+}
+
+/** Heading for one of the three IA groups. */
+function groupHeading(locale: Locale, groupId: string): string {
+  const labels = sectionLabels(locale);
+
+  switch (groupId) {
+    case "about-and-strategy":
+      return labels.aboutAndStrategy;
+    case "engagement-and-opportunities":
+      return labels.engagementAndOpportunities;
+    default:
+      return labels.knowledgeAndImpact;
+  }
+}
+
+/**
+ * The header navigation: Home as a link, then the three groups as
+ * disclosures. Every href is already locale-prefixed.
+ */
+export function buildNavItems(locale: Locale): NavItem[] {
+  const labels = sectionLabels(locale);
+
+  return [
+    { id: "home", label: labels.home, href: sectionPath("home", locale) },
+    ...ROUTE_SECTION_GROUPS.map((group) => ({
+      id: group.id,
+      label: groupHeading(locale, group.id),
+      children: group.children.map((key: RouteSlugKey) => ({
+        id: key,
+        label: labels[key],
+        href: sectionPath(key, locale),
+      })),
+    })),
+  ];
+}
+
+/**
+ * The footer sitemap: the same three groups, without Home - the wordmark
+ * above the columns already links there.
+ */
+export function buildFooterLinkGroups(locale: Locale): FooterLinkGroup[] {
+  const labels = sectionLabels(locale);
+
+  return ROUTE_SECTION_GROUPS.map((group) => ({
+    id: group.id,
+    heading: groupHeading(locale, group.id),
+    links: group.children.map((key: RouteSlugKey) => ({
+      label: labels[key],
+      href: sectionPath(key, locale),
+    })),
+  }));
+}