Resolve latest Windows release dynamically

index.html

@@ -195,9 +195,9 @@
           <h1>Void <span>Bastion</span></h1>
           <p class="lead">Die letzte Verteidigungslinie liegt zwischen dem Reaktor und der Leere. Baue, verbessere und halte deine Stellung gegen immer stärkere Angriffswellen.</p>
           <div class="actions">
-            <a class="button" href="https://git.dominicspringer.de/Emporex/Void-Bastion-Releases/releases/download/v0.1.0-alpha.2/Void-Bastion-Setup-x64.exe">Windows Alpha herunterladen</a>
+            <a class="button" id="windows-download-hero" href="https://git.dominicspringer.de/Emporex/Void-Bastion-Releases/releases/latest" rel="noopener noreferrer">Windows Alpha herunterladen</a>
             <a class="button button-secondary" href="#spiel">Spiel entdecken</a>
-            <span class="status">Alpha 0.1.0 · 64 Bit</span>
+            <span class="status" id="latest-version" aria-live="polite">Aktuelle Windows-Version · 64 Bit</span>
           </div>
           <div class="platforms" aria-label="Geplante Plattformen"><span>Windows</span><span>Android</span><span>iOS</span></div>
         </div>
@@ -254,7 +254,7 @@
           <img class="dev-icon" src="assets/reactor.webp" alt="Leuchtender Reaktor von Void Bastion">
           <div><span class="badge">Aktuell in Entwicklung</span><h2>Die Bastion wächst.</h2><p>Void Bastion entsteht bei <strong>GerGames</strong>. Karten, KI-Koop, Endlosmodus, Ranglisten und die technische Grundlage für Online-Multiplayer sind bereits in Arbeit. Veröffentlichungstermine und Store-Links folgen, sobald die spielbare Version bereit ist.</p>
             <div class="store-grid" aria-label="Geplante Veröffentlichungsplattformen">
-              <a class="store-badge" href="https://git.dominicspringer.de/Emporex/Void-Bastion-Releases/releases/download/v0.1.0-alpha.2/Void-Bastion-Setup-x64.exe"><span class="store-symbol">PC</span><span><b>Windows Alpha</b><small>Setup herunterladen · 111 MiB</small></span></a>
+              <a class="store-badge" id="windows-download-card" href="https://git.dominicspringer.de/Emporex/Void-Bastion-Releases/releases/latest" rel="noopener noreferrer"><span class="store-symbol">PC</span><span><b>Windows Alpha</b><small id="latest-download-size">Aktuelles Setup herunterladen</small></span></a>
               <span class="store-badge"><span class="store-symbol">A</span><span><b>Android</b><small>Google Play folgt</small></span></span>
               <span class="store-badge"><span class="store-symbol">i</span><span><b>iPhone & iPad</b><small>App Store folgt</small></span></span>
             </div>
@@ -269,6 +269,25 @@
   </footer>
 
   <script>
+    fetch('latest-release.php', { headers: { Accept: 'application/json' }, cache: 'no-cache' })
+      .then((response) => {
+        if (!response.ok) throw new Error('Release-Information nicht verfügbar');
+        return response.json();
+      })
+      .then((release) => {
+        if (!release.version || !release.windows_url || !release.release_url) return;
+        const heroLink = document.getElementById('windows-download-hero');
+        const cardLink = document.getElementById('windows-download-card');
+        heroLink.href = release.windows_url;
+        cardLink.href = release.windows_url;
+        document.getElementById('latest-version').textContent = `Alpha ${release.version} · 64 Bit`;
+        document.getElementById('latest-download-size').textContent = `Setup herunterladen · ${release.windows_size_mib} MiB`;
+      })
+      .catch(() => {
+        document.getElementById('latest-version').textContent = 'Windows-Testversionen ansehen · 64 Bit';
+        document.getElementById('windows-download-hero').textContent = 'Windows Alpha herunterladen';
+      });
+
     const observer = new IntersectionObserver((entries) => {
       entries.forEach((entry) => entry.isIntersecting && entry.target.classList.add('visible'));
     }, { threshold: 0.14 });

latest-release.php

@@ -0,0 +1,75 @@
+<?php
+declare(strict_types=1);
+
+header('Content-Type: application/json; charset=utf-8');
+header('X-Content-Type-Options: nosniff');
+header('Referrer-Policy: no-referrer');
+
+$apiUrl = 'https://git.dominicspringer.de/api/v1/repos/Emporex/Void-Bastion-Releases/releases';
+$response = false;
+
+if (function_exists('curl_init')) {
+    $curl = curl_init($apiUrl);
+    curl_setopt_array($curl, [
+        CURLOPT_RETURNTRANSFER => true,
+        CURLOPT_FOLLOWLOCATION => true,
+        CURLOPT_CONNECTTIMEOUT => 4,
+        CURLOPT_TIMEOUT => 8,
+        CURLOPT_USERAGENT => 'GerGames-Void-Bastion-Website/1.0',
+        CURLOPT_HTTPHEADER => ['Accept: application/json'],
+    ]);
+    $body = curl_exec($curl);
+    $status = (int) curl_getinfo($curl, CURLINFO_RESPONSE_CODE);
+    curl_close($curl);
+    if (is_string($body) && $status >= 200 && $status < 300) {
+        $response = $body;
+    }
+} else {
+    $context = stream_context_create(['http' => [
+        'method' => 'GET',
+        'timeout' => 8,
+        'ignore_errors' => true,
+        'header' => "Accept: application/json\r\nUser-Agent: GerGames-Void-Bastion-Website/1.0\r\n",
+    ]]);
+    $body = @file_get_contents($apiUrl, false, $context);
+    if (is_string($body)) {
+        $response = $body;
+    }
+}
+
+$releases = is_string($response) ? json_decode($response, true) : null;
+if (!is_array($releases)) {
+    http_response_code(503);
+    header('Cache-Control: no-store');
+    echo json_encode(['error' => 'Release-Information vorübergehend nicht verfügbar.']);
+    exit;
+}
+
+foreach ($releases as $release) {
+    if (!is_array($release) || !empty($release['draft'])) {
+        continue;
+    }
+    foreach (($release['assets'] ?? []) as $asset) {
+        if (!is_array($asset) || strtolower((string) ($asset['name'] ?? '')) !== 'void-bastion-setup-x64.exe') {
+            continue;
+        }
+        $downloadUrl = (string) ($asset['browser_download_url'] ?? '');
+        $parts = parse_url($downloadUrl);
+        if (($parts['scheme'] ?? '') !== 'https' || strtolower((string) ($parts['host'] ?? '')) !== 'git.dominicspringer.de') {
+            continue;
+        }
+
+        header('Cache-Control: public, max-age=300, stale-while-revalidate=600');
+        echo json_encode([
+            'version' => ltrim((string) ($release['tag_name'] ?? ''), 'v'),
+            'windows_url' => $downloadUrl,
+            'release_url' => 'https://git.dominicspringer.de/Emporex/Void-Bastion-Releases/releases/tag/' . rawurlencode((string) ($release['tag_name'] ?? '')),
+            'windows_size_mib' => (string) max(1, (int) round(((int) ($asset['size'] ?? 0)) / 1048576)),
+        ], JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
+        exit;
+    }
+}
+
+http_response_code(404);
+header('Cache-Control: no-store');
+echo json_encode(['error' => 'Es wurde noch kein Windows-Setup veröffentlicht.']);