`;
+ body.querySelector(`#gold-slot-0`).classList.remove("revealed", "spinning");
+
+ const btn = body.querySelector("#gold-btn");
+ const stamp = body.querySelector("#gold-stamp");
+ btn.classList.remove("used");
+ btn.style.opacity = "1";
+ btn.style.cursor = "pointer";
+ if (stamp) stamp.style.display = "";
+ body.querySelector("#gold-hint").textContent = "100 Gold spenden";
+ preloadRarity3();
+ }
+
+ function startGoldSlot(index) {
+ goldLocked[index] = false;
+ const slot = body.querySelector(`#gold-slot-${index}`);
+ const inner = slot.querySelector(".booster-slot-inner");
+ slot.classList.add("spinning");
+
+ const iv = setInterval(() => {
+ if (!rarity3Cards.length || goldLocked[index]) return;
+ const rnd = rarity3Cards[Math.floor(Math.random() * rarity3Cards.length)];
+ inner.innerHTML = cardHTML(rnd, true);
+ }, 150);
+
+ goldIntervals[index] = iv;
+ }
+
+ function revealGoldSlot(index, card) {
+ goldLocked[index] = true;
+ clearInterval(goldIntervals[index]);
+ delete goldIntervals[index];
+
+ const slot = body.querySelector(`#gold-slot-${index}`);
+ const inner = slot.querySelector(".booster-slot-inner");
+ slot.classList.remove("spinning");
+ slot.classList.add("revealed");
+ inner.innerHTML = cardHTML(card, true);
+ setTimeout(() => {
+ if (slot.classList.contains("revealed")) inner.innerHTML = cardHTML(card, true);
+ }, 100);
+ }
+
+ body.querySelector("#gold-btn").addEventListener("click", async () => {
+ if (isGoldSpinning) return;
+ if (!rarity3Cards.length) await preloadRarity3();
+ if (!rarity3Cards.length) return;
+
+ isGoldSpinning = true;
+
+ const btn = body.querySelector("#gold-btn");
+ const stamp = body.querySelector("#gold-stamp");
+ btn.classList.add("used");
+ btn.style.opacity = "0.35";
+ btn.style.cursor = "default";
+ if (stamp) stamp.style.display = "none";
+ body.querySelector("#gold-hint").textContent = "Wird verarbeitet...";
+
+ const backBtn = body.querySelector("#gold-back-btn");
+ backBtn.style.opacity = "0.35";
+ backBtn.style.cursor = "not-allowed";
+
+ let drawnCard = null;
+ try {
+ const res = await fetch("/api/booster/gold-donate", { method: "POST" });
+ const data = await res.json();
+ if (!res.ok) {
+ body.querySelector("#gold-hint").textContent = data.error || "Fehler";
+ isGoldSpinning = false;
+ btn.classList.remove("used");
+ btn.style.opacity = "1";
+ btn.style.cursor = "pointer";
+ if (stamp) stamp.style.display = "";
+ backBtn.style.opacity = "1";
+ backBtn.style.cursor = "pointer";
+ return;
+ }
+ drawnCard = data.card;
+ } catch (e) {
+ console.error("Gold-Spenden fehlgeschlagen", e);
+ resetGold();
+ return;
+ }
+
+ startGoldSlot(0);
+
+ setTimeout(() => {
+ revealGoldSlot(0, drawnCard);
+ body.querySelector("#gold-hint").textContent = "Karte erhalten! ✓";
+ isGoldSpinning = false;
+ goldRevealed = true;
+ markDailyComplete(5);
+ backBtn.style.opacity = "1";
+ backBtn.style.cursor = "pointer";
+ }, 5000);
+ });
}
diff --git a/routes/booster.js b/routes/booster.js
index bad06a0..469c415 100644
--- a/routes/booster.js
+++ b/routes/booster.js
@@ -188,4 +188,44 @@ router.post("/booster/wood-donate", async (req, res) => {
}
});
+/* ================================
+ POST /api/booster/gold-donate
+ 100 Gold bezahlen → 1 zufällige Rarity-3 Karte
+================================ */
+router.post("/booster/gold-donate", async (req, res) => {
+ if (!req.session?.user) return res.status(401).json({ error: "Nicht eingeloggt" });
+
+ const userId = req.session.user.id;
+ try {
+ const [[currency]] = await db.query(
+ "SELECT gold FROM account_currency WHERE account_id = ?", [userId]
+ );
+ if (!currency || currency.gold < 100) {
+ return res.status(400).json({ error: "Nicht genug Gold (100 benötigt)" });
+ }
+
+ const [pool] = await db.query(
+ "SELECT id, name, image, icon, max_level, rarity, attack, defends, cooldown FROM cards WHERE rarity = 3"
+ );
+ if (!pool.length) return res.status(400).json({ error: "Keine Rarity-3 Karten verfügbar" });
+
+ await db.query(
+ "UPDATE account_currency SET gold = gold - 100 WHERE account_id = ?", [userId]
+ );
+
+ const card = pool[Math.floor(Math.random() * pool.length)];
+
+ await db.query(
+ `INSERT INTO user_cards (user_id, card_id, amount) VALUES (?, ?, 1)
+ ON DUPLICATE KEY UPDATE amount = amount + 1`,
+ [userId, card.id]
+ );
+
+ res.json({ card });
+ } catch (err) {
+ console.error(err);
+ res.status(500).json({ error: "DB Fehler" });
+ }
+});
+
module.exports = router;
+