// 探查 rrbrr-book-audio 实际所在 region
const fs = require('fs');
const path = require('path');
const envTxt = fs.readFileSync(path.join(__dirname, '..', '..', 'server', '.env.production'), 'utf8');
const env = {};
for (const line of envTxt.split(/\r?\n/)) {
  const m = line.match(/^\s*([A-Z0-9_]+)\s*=\s*(.*)\s*$/);
  if (m) env[m[1]] = m[2].replace(/^["']|["']$/g, '');
}
const OSS = require(path.join(__dirname, '..', '..', 'server', 'node_modules', 'ali-oss'));
const AK = env.OSS_ACCESS_KEY_ID;
const SK = env.OSS_ACCESS_KEY_SECRET;

const REGIONS = [
  'oss-cn-hangzhou','oss-cn-beijing','oss-cn-shanghai','oss-cn-shenzhen',
  'oss-cn-qingdao','oss-cn-zhangjiakou','oss-cn-huabei-3','oss-cn-huabei-5',
  'oss-cn-hangzhou-finance','oss-cn-shanghai-finance-1','oss-cn-chengdu',
  'oss-cn-hongkong','oss-cn-fuzhou','oss-cn-wulanchabu','oss-cn-shenyang',
  'oss-cn-nanjing','oss-cn-heyuan',
  'oss-us-west-1','oss-us-east-1',
  'oss-ap-southeast-1','oss-ap-southeast-2','oss-ap-southeast-3','oss-ap-southeast-5','oss-ap-southeast-6','oss-ap-southeast-7',
  'oss-ap-northeast-1','oss-ap-south-1',
  'oss-eu-central-1','oss-eu-west-1','oss-me-central-1','oss-rus-west-1'
];

(async () => {
  for (const r of REGIONS) {
    try {
      const c = new OSS({ accessKeyId: AK, accessKeySecret: SK, bucket: 'rrbrr-book-audio', endpoint: r + '.aliyuncs.com', secure: true });
      const info = await c.getBucketInfo('rrbrr-book-audio');
      console.log(`\n✅ 命中 region = ${r}`);
      console.log('   ExtranetEndpoint  =', info.bucket?.ExtranetEndpoint);
      console.log('   IntranetEndpoint  =', info.bucket?.IntranetEndpoint);
      console.log('   Region            =', info.bucket?.Region);
      console.log('   StorageClass      =', info.bucket?.StorageClass);
      console.log('   CreationDate      =', info.bucket?.CreationDate);
      return;
    } catch (e) {
      // 只显示前 60 字符
      const msg = (e.code || e.message || '').toString().split('\n')[0].slice(0, 80);
      console.log(`  miss ${r.padEnd(28)} -> ${msg}`);
    }
  }
  console.log('\n全部 region 都没命中，请确认 AK/SK 有该 bucket 权限。');
})();