249 lines
7.4 KiB
JavaScript
249 lines
7.4 KiB
JavaScript
const express = require("express");
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const router = express.Router();
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const db = require("../database/database");
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/* ================================
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Gewichtete Zufallsauswahl
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================================ */
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function weightedRandom(weights) {
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const total = weights.reduce((s, w) => s + w.weight, 0);
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let r = Math.random() * total;
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for (const entry of weights) {
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r -= entry.weight;
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if (r <= 0) return entry.rarity;
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}
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return weights[weights.length - 1].rarity;
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}
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/* ================================
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Gewichte je Spielerlevel
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================================ */
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function getWeights(playerLevel) {
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if (playerLevel < 10)
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return [
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{ rarity: 1, weight: 95 }, // 95%
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{ rarity: 2, weight: 5 }, // 5%
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];
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if (playerLevel < 20)
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return [
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{ rarity: 1, weight: 87 }, // 87%
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{ rarity: 2, weight: 11 }, // 11%
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{ rarity: 3, weight: 2 }, // 2%
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];
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if (playerLevel < 30)
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return [
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{ rarity: 1, weight: 80 }, // 80%
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{ rarity: 2, weight: 14 }, // 14%
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{ rarity: 3, weight: 4 }, // 4%
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{ rarity: 4, weight: 2 }, // 2%
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];
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if (playerLevel < 40)
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return [
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{ rarity: 1, weight: 75 }, // 75%
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{ rarity: 2, weight: 16 }, // 16%
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{ rarity: 3, weight: 5 }, // 5%
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{ rarity: 4, weight: 3 }, // 3%
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{ rarity: 5, weight: 1 }, // 1%
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];
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return [
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{ rarity: 1, weight: 60 }, // 60.0%
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{ rarity: 2, weight: 25 }, // 25.0%
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{ rarity: 3, weight: 9 }, // 9.0%
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{ rarity: 4, weight: 4 }, // 4.0%
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{ rarity: 5, weight: 1.5 }, // 1.5%
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{ rarity: 6, weight: 0.5 }, // 0.5%
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];
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}
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/* ================================
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GET /api/booster/cards
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Alle Karten inkl. Stats für Slot-Animation
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================================ */
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router.get("/booster/cards", async (req, res) => {
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if (!req.session?.user)
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return res.status(401).json({ error: "Nicht eingeloggt" });
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try {
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const [cards] = await db.query(
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"SELECT id, name, image, icon, max_level, rarity, attack, defends, cooldown, `range`, `race` FROM cards ORDER BY id",
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);
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res.json(cards);
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} catch (err) {
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console.error(err);
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res.status(500).json({ error: "DB Fehler" });
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}
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});
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/* ================================
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POST /api/booster/open
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5 gewichtete Zufallskarten inkl. Stats
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================================ */
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router.post("/booster/open", async (req, res) => {
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if (!req.session?.user)
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return res.status(401).json({ error: "Nicht eingeloggt" });
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const userId = req.session.user.id;
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try {
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const [[account]] = await db.query(
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"SELECT level FROM accounts WHERE id = ?",
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[userId],
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);
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const playerLevel = account?.level ?? 1;
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const weights = getWeights(playerLevel);
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const maxAllowed = Math.max(...weights.map((w) => w.rarity));
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const [allCards] = await db.query(
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"SELECT id, name, image, icon, max_level, rarity, attack, defends, cooldown, `range`, `race` FROM cards WHERE rarity <= ?",
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[maxAllowed],
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);
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if (!allCards.length)
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return res.status(400).json({ error: "Keine Karten verfügbar" });
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const result = [];
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for (let i = 0; i < 5; i++) {
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const targetRarity = weightedRandom(weights);
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let pool = allCards.filter((c) => parseInt(c.rarity) === targetRarity);
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if (!pool.length) {
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for (let fb = targetRarity - 1; fb >= 1; fb--) {
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pool = allCards.filter((c) => parseInt(c.rarity) === fb);
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if (pool.length) break;
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}
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}
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if (!pool.length) pool = allCards;
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result.push(pool[Math.floor(Math.random() * pool.length)]);
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}
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res.json({ cards: result, playerLevel });
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} catch (err) {
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console.error(err);
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res.status(500).json({ error: "DB Fehler" });
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}
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});
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/* ================================
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POST /api/booster/save
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Gezogene Karten in user_cards speichern
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Body: { cardIds: [1, 2, 3, 4, 5] }
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================================ */
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router.post("/booster/save", async (req, res) => {
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if (!req.session?.user)
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return res.status(401).json({ error: "Nicht eingeloggt" });
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const userId = req.session.user.id;
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const cardIds = req.body?.cardIds;
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if (!Array.isArray(cardIds) || cardIds.length === 0) {
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return res.status(400).json({ error: "Keine Karten übergeben" });
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}
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try {
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for (const cardId of cardIds) {
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await db.query(
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`INSERT INTO user_cards (user_id, card_id, amount)
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VALUES (?, ?, 1)
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ON DUPLICATE KEY UPDATE amount = amount + 1`,
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[userId, cardId],
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);
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}
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res.json({ success: true });
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} catch (err) {
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console.error(err);
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res.status(500).json({ error: "DB Fehler beim Speichern" });
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}
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});
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/* ================================
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POST /api/booster/wood-donate
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100 Holz bezahlen → 1 zufällige Rarity-3 Karte
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================================ */
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router.post("/booster/wood-donate", async (req, res) => {
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if (!req.session?.user)
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return res.status(401).json({ error: "Nicht eingeloggt" });
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const userId = req.session.user.id;
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try {
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// Holz prüfen
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const [[currency]] = await db.query(
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"SELECT wood FROM account_currency WHERE account_id = ?",
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[userId],
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);
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if (!currency || currency.wood < 100) {
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return res.status(400).json({ error: "Nicht genug Holz (100 benötigt)" });
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}
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// Rarity-3 Karten laden
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const [pool] = await db.query(
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"SELECT id, name, image, icon, max_level, rarity, attack, defends, cooldown, `range`, `race` FROM cards WHERE rarity = 3",
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);
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if (!pool.length)
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return res.status(400).json({ error: "Keine Rarity-3 Karten verfügbar" });
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// 100 Holz abziehen
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await db.query(
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"UPDATE account_currency SET wood = wood - 100 WHERE account_id = ?",
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[userId],
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);
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// 1 zufällige Rarity-3 Karte ziehen
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const card = pool[Math.floor(Math.random() * pool.length)];
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// Direkt in user_cards speichern
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await db.query(
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`INSERT INTO user_cards (user_id, card_id, amount) VALUES (?, ?, 1)
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ON DUPLICATE KEY UPDATE amount = amount + 1`,
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[userId, card.id],
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);
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res.json({ card });
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} catch (err) {
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console.error(err);
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res.status(500).json({ error: "DB Fehler" });
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}
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});
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/* ================================
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POST /api/booster/gold-donate
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100 Gold bezahlen → 1 zufällige Rarity-4 Karte
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================================ */
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router.post("/booster/gold-donate", async (req, res) => {
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if (!req.session?.user)
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return res.status(401).json({ error: "Nicht eingeloggt" });
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const userId = req.session.user.id;
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try {
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const [[currency]] = await db.query(
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"SELECT gold FROM account_currency WHERE account_id = ?",
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[userId],
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);
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if (!currency || currency.gold < 100) {
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return res.status(400).json({ error: "Nicht genug Gold (100 benötigt)" });
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}
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const [pool] = await db.query(
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"SELECT id, name, image, icon, max_level, rarity, attack, defends, cooldown, `range`, `race` FROM cards WHERE rarity = 4",
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);
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if (!pool.length)
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return res.status(400).json({ error: "Keine Rarity-4 Karten verfügbar" });
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await db.query(
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"UPDATE account_currency SET gold = gold - 100 WHERE account_id = ?",
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[userId],
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);
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const card = pool[Math.floor(Math.random() * pool.length)];
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await db.query(
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`INSERT INTO user_cards (user_id, card_id, amount) VALUES (?, ?, 1)
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ON DUPLICATE KEY UPDATE amount = amount + 1`,
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[userId, card.id],
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);
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res.json({ card });
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} catch (err) {
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console.error(err);
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res.status(500).json({ error: "DB Fehler" });
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}
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});
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module.exports = router;
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