require('dotenv').config();
const { AlipaySdk } = require('alipay-sdk');

const rawKey = process.env.ALIPAY_PRIVATE_KEY;
const rawPub = process.env.ALIPAY_PUBLIC_KEY;

// 使用 PKCS#8 正确包装
const privateKey = `-----BEGIN PRIVATE KEY-----\n${rawKey}\n-----END PRIVATE KEY-----`;
const alipayPublicKey = rawPub.includes('BEGIN') ? rawPub : `-----BEGIN PUBLIC KEY-----\n${rawPub}\n-----END PUBLIC KEY-----`;

const sdk = new AlipaySdk({
  appId: '2021006154659461',
  privateKey,
  keyType: 'PKCS8',
  alipayPublicKey,
  gateway: 'https://openapi.alipay.com/gateway.do',
  signType: 'RSA2',
});

// GET方式 - 全部参数在URL中
const url = sdk.pageExecute('alipay.trade.wap.pay', 'GET', {
  bizContent: {
    out_trade_no: 'D' + Date.now(),
    total_amount: '0.01',
    subject: 'Direct',
    product_code: 'QUICK_WAP_WAY',
  },
  returnUrl: 'https://book.rrbrr.com/#/pages/payment-result/index',
  notifyUrl: 'https://book.rrbrr.com/api/payment/alipay/notify',
});

console.log(String(url));