From cf68494f552e0eb3d98ba29f12a0dd51f43e06cd Mon Sep 17 00:00:00 2001
From: Lars Gebhardt-Kusche <lars@kusche.berlin>
Date: Fri, 28 Nov 2025 03:31:46 +0100
Subject: [PATCH] lniks

---
 config/i18n.php                        | 92 ++++++++++++++++++++++++++
 partials/structure/header.php          | 29 +++++---
 public/assets/i18n/de.json             | 18 ++++-
 public/index.php                       |  1 +
 public/landingpage/dashboard/index.php |  1 +
 public/landingpage/fakecheck/index.php |  2 +-
 public/landingpage/login/index.php     |  1 +
 7 files changed, 132 insertions(+), 12 deletions(-)

diff --git a/config/i18n.php b/config/i18n.php
index 4b53e3b..0befd15 100644
--- a/config/i18n.php
+++ b/config/i18n.php
@@ -232,3 +232,95 @@ function app_i18n_get_frontend_config(): array
         'available' => $GLOBALS['availableLangs'] ?? [],
     ];
 }
+
+/**
+ * Komplette JSON-Struktur für eine Sprache laden.
+ * Nutzt einfachen Request-Cache, damit pro Sprache nur einmal von Platte gelesen wird.
+ */
+function app_i18n_load_lang_json(string $lang): array
+{
+    static $cache = [];
+
+    $lang = strtolower(substr($lang, 0, 5));
+
+    if (isset($cache[$lang])) {
+        return $cache[$lang];
+    }
+
+    $baseDir = realpath(__DIR__ . '/../public/assets/i18n');
+    if ($baseDir === false) {
+        $cache[$lang] = [];
+        return $cache[$lang];
+    }
+
+    $path = $baseDir . '/' . $lang . '.json';
+    if (!is_file($path)) {
+        // Fallback: en.json, falls vorhanden
+        $fallback = $baseDir . '/en.json';
+        if (is_file($fallback)) {
+            $json = @file_get_contents($fallback);
+            $data = json_decode($json, true);
+            $cache[$lang] = is_array($data) ? $data : [];
+            return $cache[$lang];
+        }
+
+        $cache[$lang] = [];
+        return $cache[$lang];
+    }
+
+    $json = @file_get_contents($path);
+    $data = json_decode($json, true);
+    $cache[$lang] = is_array($data) ? $data : [];
+
+    return $cache[$lang];
+}
+
+/**
+ * Nav-Anker für eine Seite aus der Sprachdatei holen.
+ *
+ * Erwartete Struktur im JSON:
+ * "pages": {
+ *   "landing": {
+ *     "meta": { ... },
+ *     "anchors": {
+ *       "how":      "So funktioniert USBCheck",
+ *       "problem":  "Warum gefälschte USB-Sticks gefährlich sind",
+ *       ...
+ *     }
+ *   }
+ * }
+ *
+ * Rückgabe-Format:
+ * [
+ *   [ 'href' => '#how',     'label' => 'So funktioniert USBCheck' ],
+ *   [ 'href' => '#problem', 'label' => 'Warum gefälschte USB-Sticks gefährlich sind' ],
+ *   ...
+ * ]
+ */
+function app_get_nav_anchors(string $pageKey): array
+{
+    $lang = $GLOBALS['lang'] ?? 'en';
+    $data = app_i18n_load_lang_json($lang);
+
+    $nav = $data['pages'][$pageKey]['anchors'] ?? null;
+    if (!is_array($nav)) {
+        return [];
+    }
+
+    $anchors = [];
+    foreach ($nav as $id => $label) {
+        $id    = trim((string)$id);
+        $label = trim((string)$label);
+
+        if ($id === '' || $label === '') {
+            continue;
+        }
+
+        $anchors[] = [
+            'href'  => '#' . $id,
+            'label' => $label,
+        ];
+    }
+
+    return $anchors;
+}
diff --git a/partials/structure/header.php b/partials/structure/header.php
index 3ef10be..d093bde 100644
--- a/partials/structure/header.php
+++ b/partials/structure/header.php
@@ -6,9 +6,16 @@ $scheme  = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') ? 'https'
 $host    = $_SERVER['HTTP_HOST'] ?? app_primary_domain();
 $baseUrl = $scheme . '://' . $host;
 
-// Wenn $navAnchors NICHT gesetzt ist → leeres Array
+// Aktueller Page-Key (z.B. 'landing', 'fakecheck', 'dashboard')
+$pageKey = $GLOBALS['pageKey'] ?? null;
+
+// Nav-Anker: wenn nicht explizit gesetzt, aus der i18n-JSON holen
 if (!isset($navAnchors) || !is_array($navAnchors)) {
-    $navAnchors = [];
+    if ($pageKey && function_exists('app_get_nav_anchors')) {
+        $navAnchors = app_get_nav_anchors($pageKey); // ['href' => '#how', 'label' => '...']
+    } else {
+        $navAnchors = [];
+    }
 }
 
 // Session sollte in config/fileload.php bereits gestartet sein.
@@ -112,14 +119,16 @@ function build_lang_url(string $code, string $path, array $query): string
         <div class="flex items-center gap-6">
 
             <!-- Hauptnavigation -->
-            <nav class="flex flex-wrap items-center gap-4 sm:gap-6 text-xs font-medium text-brand-muted uppercase tracking-[0.18em]">
-                <?php foreach ($navAnchors as $item): ?>
-                    <a href="<?= htmlspecialchars($item['href']) ?>"
-                       class="hover:text-brand-primary transition-colors"
-                       data-i18n="<?= htmlspecialchars($item['key']) ?>">
-                    </a>
-                <?php endforeach; ?>
-            </nav>
+            <?php if (!empty($navAnchors)): ?>
+                <nav class="flex flex-wrap items-center gap-4 sm:gap-6 text-xs font-medium text-brand-muted uppercase tracking-[0.18em]">
+                    <?php foreach ($navAnchors as $item): ?>
+                        <a href="<?= htmlspecialchars($item['href'] ?? '#') ?>"
+                           class="hover:text-brand-primary transition-colors">
+                            <?= htmlspecialchars($item['label'] ?? '') ?>
+                        </a>
+                    <?php endforeach; ?>
+                </nav>
+            <?php endif; ?>
 
             <!-- Language Switcher -->
             <div class="relative">
diff --git a/public/assets/i18n/de.json b/public/assets/i18n/de.json
index 2ba2c40..e663aa6 100755
--- a/public/assets/i18n/de.json
+++ b/public/assets/i18n/de.json
@@ -9,9 +9,25 @@
         "landing": {
             "meta": {
                 "title": "KEIN TITEL"
-            }
+            },
+,
+    "anchors": {
+      "how":      "So funktioniert USBCheck",
+      "problem":  "Warum gefälschte USB-Sticks gefährlich sind",
+      "features": "Funktionen",
+      "security": "Sicherheit",
+      "faq":      "FAQ"
+    }
         },
         "main": {
+,
+    "anchors": {
+      "how":      "So funktioniert USBCheck",
+      "problem":  "Warum gefälschte USB-Sticks gefährlich sind",
+      "features": "Funktionen",
+      "security": "Sicherheit",
+      "faq":      "FAQ"
+    },
             "sections": {
                 "security": {
                     "security_kicker": "Sicherheit &amp; Datenschutz",
diff --git a/public/index.php b/public/index.php
index e552b39..408cc70 100644
--- a/public/index.php
+++ b/public/index.php
@@ -1,5 +1,6 @@
 <?php
 $pageKey = 'landing';
+$GLOBALS['pageKey'] = $pageKey;
 require_once dirname(__DIR__) . '/config/fileload.php';
 
 
diff --git a/public/landingpage/dashboard/index.php b/public/landingpage/dashboard/index.php
index 2ed2624..9fcf668 100644
--- a/public/landingpage/dashboard/index.php
+++ b/public/landingpage/dashboard/index.php
@@ -1,6 +1,7 @@
 <?php
 // public/dashboard/index.php
 $pageKey = 'dashboard';
+$GLOBALS['pageKey'] = $pageKey;
 require_once $_SERVER['DOCUMENT_ROOT']. '/../config/fileload.php';
 
 
diff --git a/public/landingpage/fakecheck/index.php b/public/landingpage/fakecheck/index.php
index d264453..366ae82 100644
--- a/public/landingpage/fakecheck/index.php
+++ b/public/landingpage/fakecheck/index.php
@@ -1,6 +1,6 @@
 <?php
 $pageKey = 'fakecheck';
-
+$GLOBALS['pageKey'] = $pageKey;
 /*
  * USBCheck Fake USB Check - Landingpage
  * --------------------------------------*/
diff --git a/public/landingpage/login/index.php b/public/landingpage/login/index.php
index a19e467..4bdd629 100644
--- a/public/landingpage/login/index.php
+++ b/public/landingpage/login/index.php
@@ -1,5 +1,6 @@
 <?php
 $pageKey = 'login';
+$GLOBALS['pageKey'] = $pageKey;
 require_once $_SERVER['DOCUMENT_ROOT']. '/../config/fileload.php';
 
 tpl_add_script('/assets/js/auth.js', 'footer', true, false, '', 'auth-1');