const crypto = require('crypto');

const token = 'IitPatientWechat2026JanToken';
const timestamp = '1234567890';
const nonce = 'test123';

// 字典序排序
const arr = [token, timestamp, nonce].sort();
console.log('Sorted array:', arr);

// 拼接字符串
const str = arr.join('');
console.log('Concatenated string:', str);

// SHA1 加密
const hash = crypto.createHash('sha1').update(str).digest('hex');
console.log('Calculated signature:', hash);

// 使用这个签名测试
console.log('');
console.log('Test URL:');
console.log(`curl "https://iit.xunzhengyixue.com/wechat/patient/callback-plain?signature=${hash}&timestamp=${timestamp}&nonce=${nonce}&echostr=hello"`);