From 9e483cf445bf55bca00b551b2dd118165484012c Mon Sep 17 00:00:00 2001
From: Lars Gebhardt-Kusche <lars@kusche.berlin>
Date: Wed, 26 Nov 2025 01:04:52 +0100
Subject: [PATCH] language

---
 config/fileload.php           | 12 +++++++++---
 partials/structure/header.php | 24 +++++++++++++++++-------
 2 files changed, 26 insertions(+), 10 deletions(-)

diff --git a/config/fileload.php b/config/fileload.php
index 064ee07..003f523 100644
--- a/config/fileload.php
+++ b/config/fileload.php
@@ -114,10 +114,16 @@ if (empty($availableLangs)) {
     ];
 }
 
-// Falls Sprache ungültig oder nicht in available → erste verfügbare Sprache wählen
+// Falls Sprache ungültig oder nicht in available:
+// 1) Wenn 'en' existiert → nimm 'en'
+// 2) Sonst: erste verfügbare Sprache
 if (!$lang || !isset($availableLangs[$lang])) {
-    $keys = array_keys($availableLangs);
-    $lang = $keys[0] ?? 'en';
+    if (isset($availableLangs['en'])) {
+        $lang = 'en';
+    } else {
+        $keys = array_keys($availableLangs);
+        $lang = $keys[0] ?? 'en';
+    }
 }
 
 // -----------------------------------------------------------
diff --git a/partials/structure/header.php b/partials/structure/header.php
index 648b825..90ed1ac 100644
--- a/partials/structure/header.php
+++ b/partials/structure/header.php
@@ -48,8 +48,6 @@ if ($isLoggedIn) {
 // -----------------------------------------
 // Sprachkontext direkt aus fileload.php
 // -----------------------------------------
-
-// Aktuelle Sprache und verfügbare Sprachen aus den GLOBALS
 $currentLang    = $GLOBALS['lang']           ?? 'en';
 $availableLangs = $GLOBALS['availableLangs'] ?? [];
 
@@ -76,13 +74,25 @@ $currentLangFlag  = $currentLangInfo['flag']  ?? '🏳️';
 $currentLangCode  = strtoupper($currentLangInfo['code'] ?? $currentLang);
 $currentLangLabel = $currentLangInfo['label'] ?? $currentLangCode;
 
+// -----------------------------------------
+// Helper: URL mit anderem ?lang=.. bauen
+// -----------------------------------------
+$currentPath = strtok($_SERVER['REQUEST_URI'] ?? '/', '?');
+$currentQuery = $_GET ?? [];
+
+function build_lang_url(string $code, string $path, array $query): string
+{
+    $query['lang'] = $code;
+    $qs = http_build_query($query);
+    return $path . ($qs ? ('?' . $qs) : '');
+}
 ?>
 <header class="sticky top-0 z-40 border-b border-brand-border/70 backdrop-blur bg-brand-bg/85">
     <div class="mx-auto max-w-6xl px-4 sm:px-6 lg:px-8 flex items-center justify-between h-16">
 
         <!-- Logo -->
         <div class="flex items-center gap-3">
-            <a href="/?lang=<?= htmlspecialchars($currentLang) ?>" class="flex items-center gap-3">
+            <a href="<?= htmlspecialchars(build_lang_url($currentLang, '/', [])) ?>" class="flex items-center gap-3">
                 <img src="<?= $baseUrl ?>/assets/img/logo_slogan.png"
                      alt="<?= htmlspecialchars(app_primary_domain()) ?> Logo"
                      class="h-9 w-auto">
@@ -130,13 +140,13 @@ $currentLangLabel = $currentLangInfo['label'] ?? $currentLangCode;
                             $isActive = ($code === $currentLang);
                             $flag  = $info['flag']  ?? '🏳️';
                             $label = strtoupper($info['code'] ?? $code);
+                            $url   = build_lang_url($code, $currentPath, $currentQuery);
                         ?>
-                        <button type="button"
-                                class="lang-pill flex items-center gap-2 w-full text-left px-3 py-1.5 uppercase tracking-[0.18em] text-brand-muted hover:text-brand-primary hover:bg-brand-bg/60 <?= $isActive ? 'bg-brand-bg/60' : '' ?>"
-                                data-lang="<?= htmlspecialchars($code) ?>">
+                        <a href="<?= htmlspecialchars($url) ?>"
+                           class="lang-pill flex items-center gap-2 w-full text-left px-3 py-1.5 uppercase tracking-[0.18em] text-brand-muted hover:text-brand-primary hover:bg-brand-bg/60 <?= $isActive ? 'bg-brand-bg/60' : '' ?>">
                             <span class="text-base"><?= htmlspecialchars($flag) ?></span>
                             <span><?= htmlspecialchars($label) ?></span>
-                        </button>
+                        </a>
                     <?php endforeach; ?>
                 </div>
             </div>