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jakciehan
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/**
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* PaymentManager.js
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* Simplified payment manager for monetization-lite.
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* Only 3 products: Ad-Free (¥18), Gold Pack (¥6=1000g), Newcomer Pack (¥1=500g).
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* Handles WeChat payment, order recovery, and newcomer pack 24h timer.
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*/
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/** Product definitions. */
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const PRODUCTS = {
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AD_FREE: {
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id: 'ad_free',
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price: 18, // ¥18
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name: 'Remove Ads (Permanent)',
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type: 'permanent',
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},
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GOLD_PACK: {
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id: 'gold_pack',
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price: 6, // ¥6
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goldAmount: 1000,
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name: 'Gold Pack',
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type: 'consumable',
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},
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NEWCOMER_PACK: {
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id: 'newcomer_pack',
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price: 1, // ¥1
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goldAmount: 500,
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name: 'Newcomer Pack',
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type: 'one_time',
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},
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};
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/** Newcomer pack availability window in milliseconds (24 hours). */
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const NEWCOMER_WINDOW_MS = 24 * 60 * 60 * 1000;
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class PaymentManager {
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constructor() {
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this._adFreePurchased = false;
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this._newcomerPackPurchased = false;
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this._newcomerPackStartTime = 0; // timestamp when user first entered game
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this._pendingOrders = [];
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this._load();
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}
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// ============================================================
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// Persistence
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// ============================================================
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/**
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* Load payment state from StorageManager.
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* @private
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*/
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_load() {
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try {
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if (GameGlobal && GameGlobal.storageManager) {
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const data = GameGlobal.storageManager.get('payment', null);
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if (data) {
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this._adFreePurchased = data.adFreePurchased || false;
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this._newcomerPackPurchased = data.newcomerPackPurchased || false;
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this._newcomerPackStartTime = data.newcomerPackStartTime || 0;
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this._pendingOrders = data.pendingOrders || [];
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}
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// Initialize newcomer pack timer on first load
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if (this._newcomerPackStartTime === 0) {
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this._newcomerPackStartTime = Date.now();
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this._save();
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}
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}
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} catch (e) {
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console.warn('[PaymentManager] Failed to load payment data:', e);
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}
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// Try to recover any pending orders
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this._recoverPendingOrders();
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}
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/**
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* Save payment state to StorageManager.
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* @private
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*/
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_save() {
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try {
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if (GameGlobal && GameGlobal.storageManager) {
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GameGlobal.storageManager.set('payment', {
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adFreePurchased: this._adFreePurchased,
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newcomerPackPurchased: this._newcomerPackPurchased,
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newcomerPackStartTime: this._newcomerPackStartTime,
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pendingOrders: this._pendingOrders,
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});
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}
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} catch (e) {
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console.warn('[PaymentManager] Failed to save payment data:', e);
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}
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}
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// ============================================================
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// Purchase API
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// ============================================================
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/**
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* Purchase the ad-free privilege (¥18, permanent).
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* @param {Function} callback - Called with { success: boolean, error?: string }.
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*/
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purchaseAdFree(callback) {
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if (this._adFreePurchased) {
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if (callback) callback({ success: false, error: 'Already purchased' });
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return;
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}
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this._requestPayment(PRODUCTS.AD_FREE, (result) => {
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if (result.success) {
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this._adFreePurchased = true;
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this._save();
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// Enable ad-free in AdManager
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if (GameGlobal.adManager) {
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GameGlobal.adManager.enableAdFree();
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}
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// Emit event
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this._emitPurchaseEvent('ad_free');
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}
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if (callback) callback(result);
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});
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}
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/**
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* Purchase a gold pack (¥6 = 1000 gold).
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* @param {Function} callback - Called with { success: boolean, error?: string }.
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*/
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purchaseGoldPack(callback) {
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this._requestPayment(PRODUCTS.GOLD_PACK, (result) => {
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if (result.success) {
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// Award gold
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if (GameGlobal.currencyManager) {
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GameGlobal.currencyManager.addGold(PRODUCTS.GOLD_PACK.goldAmount);
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}
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this._emitPurchaseEvent('gold_pack');
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}
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if (callback) callback(result);
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});
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}
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/**
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* Purchase the newcomer pack (¥1 = 500 gold, one-time only).
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* @param {Function} callback - Called with { success: boolean, error?: string }.
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*/
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purchaseNewcomerPack(callback) {
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if (this._newcomerPackPurchased) {
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if (callback) callback({ success: false, error: 'Already purchased' });
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return;
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}
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if (!this.isNewcomerPackAvailable()) {
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if (callback) callback({ success: false, error: 'Newcomer pack expired' });
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return;
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}
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this._requestPayment(PRODUCTS.NEWCOMER_PACK, (result) => {
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if (result.success) {
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this._newcomerPackPurchased = true;
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this._save();
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// Award gold
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if (GameGlobal.currencyManager) {
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GameGlobal.currencyManager.addGold(PRODUCTS.NEWCOMER_PACK.goldAmount);
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}
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this._emitPurchaseEvent('newcomer_pack');
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}
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if (callback) callback(result);
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});
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}
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// ============================================================
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// Status Queries
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// ============================================================
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/**
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* Whether ad-free has been purchased.
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* @returns {boolean}
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*/
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isAdFreePurchased() {
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return this._adFreePurchased;
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}
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/**
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* Whether the newcomer pack is still available (within 24h and not purchased).
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* @returns {boolean}
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*/
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isNewcomerPackAvailable() {
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if (this._newcomerPackPurchased) return false;
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const elapsed = Date.now() - this._newcomerPackStartTime;
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return elapsed < NEWCOMER_WINDOW_MS;
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}
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/**
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* Get remaining time for newcomer pack in milliseconds.
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* @returns {number} Remaining ms, or 0 if expired.
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*/
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getNewcomerPackRemainingMs() {
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if (this._newcomerPackPurchased) return 0;
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const remaining = NEWCOMER_WINDOW_MS - (Date.now() - this._newcomerPackStartTime);
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return Math.max(0, remaining);
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}
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/**
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* Get product definitions.
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* @returns {object}
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*/
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getProducts() {
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return PRODUCTS;
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}
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// ============================================================
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// WeChat Payment
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// ============================================================
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/**
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* Request payment via WeChat Midas payment.
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* @param {object} product - Product definition.
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* @param {Function} callback - Called with { success: boolean, error?: string }.
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* @private
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*/
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_requestPayment(product, callback) {
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// Add to pending orders for recovery
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const orderId = `${product.id}_${Date.now()}`;
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this._pendingOrders.push({ orderId, productId: product.id, timestamp: Date.now() });
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this._save();
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try {
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if (typeof wx === 'undefined' || typeof wx.requestMidasPayment !== 'function') {
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// Dev environment: simulate success
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console.log(`[PaymentManager] Dev mode: simulating purchase of ${product.id}`);
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this._removePendingOrder(orderId);
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if (callback) callback({ success: true });
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return;
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}
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wx.requestMidasPayment({
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mode: 'game',
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env: 0, // 0 = production, 1 = sandbox
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offerId: '', // Replace with actual offer ID
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currencyType: 'CNY',
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buyQuantity: product.price * 10, // Midas uses 1/10 yuan units
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success: () => {
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console.log(`[PaymentManager] Purchase successful: ${product.id}`);
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this._removePendingOrder(orderId);
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if (callback) callback({ success: true });
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},
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fail: (err) => {
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console.warn(`[PaymentManager] Purchase failed: ${product.id}`, err);
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this._removePendingOrder(orderId);
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if (callback) callback({ success: false, error: err.errMsg || 'Payment failed' });
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},
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});
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} catch (e) {
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console.warn('[PaymentManager] Payment request error:', e);
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this._removePendingOrder(orderId);
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if (callback) callback({ success: false, error: e.message });
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}
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}
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/**
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* Remove a pending order after completion.
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* @param {string} orderId
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* @private
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*/
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_removePendingOrder(orderId) {
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this._pendingOrders = this._pendingOrders.filter(o => o.orderId !== orderId);
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this._save();
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}
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/**
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* Attempt to recover pending orders (e.g., after network interruption).
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* @private
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*/
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_recoverPendingOrders() {
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if (this._pendingOrders.length === 0) return;
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// Remove orders older than 1 hour (stale)
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const oneHourAgo = Date.now() - 60 * 60 * 1000;
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this._pendingOrders = this._pendingOrders.filter(o => o.timestamp > oneHourAgo);
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this._save();
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// In production, query server for order status and deliver items
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// For now, just log
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if (this._pendingOrders.length > 0) {
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console.log(`[PaymentManager] ${this._pendingOrders.length} pending orders to recover`);
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}
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}
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/**
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* Emit a purchase completed event.
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* @param {string} productId
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* @private
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*/
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_emitPurchaseEvent(productId) {
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try {
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if (GameGlobal && GameGlobal.eventBus) {
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GameGlobal.eventBus.emit('purchase:completed', { productId });
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}
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} catch (e) {}
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}
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// ============================================================
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// Cloud Sync
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// ============================================================
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/**
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* Get payment data for cloud sync.
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* @returns {object}
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*/
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getCloudSyncData() {
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return {
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adFreePurchased: this._adFreePurchased,
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newcomerPackPurchased: this._newcomerPackPurchased,
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newcomerPackStartTime: this._newcomerPackStartTime,
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};
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}
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/**
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* Restore payment data from cloud.
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* @param {object} cloudData
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*/
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restoreFromCloud(cloudData) {
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if (!cloudData) return;
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let changed = false;
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// Ad-free is permanent — if cloud says purchased, trust it
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if (cloudData.adFreePurchased && !this._adFreePurchased) {
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this._adFreePurchased = true;
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if (GameGlobal.adManager) {
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GameGlobal.adManager.enableAdFree();
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}
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changed = true;
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}
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if (cloudData.newcomerPackPurchased && !this._newcomerPackPurchased) {
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this._newcomerPackPurchased = true;
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changed = true;
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}
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if (changed) {
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this._save();
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}
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}
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}
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PaymentManager.PRODUCTS = PRODUCTS;
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module.exports = PaymentManager;
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