// 列 OSS audio/ 最近 N 个文件,带时间戳和稳定/UUID 标记
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 c = new OSS({
  accessKeyId: env.OSS_ACCESS_KEY_ID,
  accessKeySecret: env.OSS_ACCESS_KEY_SECRET,
  bucket: 'rrbrr-book-audio',
  endpoint: 'oss-cn-shanghai.aliyuncs.com',
  secure: true,
});

(async () => {
  const all = [];
  let marker = null;
  do {
    const r = await c.list({ prefix: 'audio/', 'max-keys': 1000, marker });
    all.push(...(r.objects || []));
    marker = r.nextMarker || null;
  } while (marker);
  // 按 lastModified 倒序
  all.sort((a, b) => new Date(b.lastModified) - new Date(a.lastModified));

  console.log(`总文件数: ${all.length}\n`);
  console.log('=== 最近 25 个文件 ===');
  for (const o of all.slice(0, 25)) {
    const isMergedPath = o.name.includes('/merged/chapter/') || o.name.includes('/audio/chapter/');
    const isMergedMp3 = o.name.includes('_merged.mp3');
    const tag = isMergedPath ? '✅ 稳定路径' : (isMergedMp3 ? '⚠️ UUID_merged (垃圾)' : '   UUID (TTS)');
    const mb = (o.size / 1024 / 1024).toFixed(1).padStart(6);
    console.log(`${o.lastModified.slice(0, 19)}  ${mb} MB  ${tag.padEnd(22)}  ${o.name}`);
  }
})();