// 解析已抓取的 mtop 响应，输出结构与关键字段
import fs from 'node:fs';
import path from 'node:path';

const dir = path.resolve(process.argv[2] || '.cdp/out/api');
const files = fs.readdirSync(dir).filter(f => f.endsWith('.txt')).sort();

for (const f of files) {
  const raw = fs.readFileSync(path.join(dir, f), 'utf8');
  const i = raw.indexOf('\n\n');
  const url = raw.slice(5, i).trim();
  let body = raw.slice(i + 2).trim();
  const api = (url.match(/datacompass\.[A-Za-z0-9._]+/) || [''])[0];
  const dt = (url.match(/recent\d+d/) || ['?'])[0];

  let json = null, note = '';
  try {
    json = JSON.parse(body);
  } catch {
    const m = body.match(/^[^(]*\((.*)\)[;\s]*$/s);
    if (m) { try { json = JSON.parse(m[1]); note = '(jsonp)'; } catch { note = '(unparsed)'; } }
    else note = '(unparsed)';
  }

  console.log('='.repeat(78));
  console.log(`${f}  ${dt}  ${api} ${note}`);
  if (!json) { console.log('  RAW HEAD: ' + body.slice(0, 300)); continue; }
  if (json.ret) console.log('  ret: ' + JSON.stringify(json.ret));
  const data = json.data ?? json;
  const walk = (o, p, d) => {
    if (d > 3 || o === null || typeof o !== 'object') return;
    for (const k of Object.keys(o)) {
      const v = o[k];
      const np = p ? p + '.' + k : k;
      if (Array.isArray(v)) {
        console.log(`  ${np}[] len=${v.length}` + (v.length && typeof v[0] === 'object'
          ? ' keys=' + JSON.stringify(Object.keys(v[0])) : ' sample=' + JSON.stringify(v.slice(0, 8))));
        if (v.length && typeof v[0] === 'object' && d < 2) walk(v[0], np + '[0]', d + 1);
      } else if (v && typeof v === 'object') {
        console.log(`  ${np} {} keys=` + JSON.stringify(Object.keys(v)));
        walk(v, np, d + 1);
      } else {
        console.log(`  ${np} = ${JSON.stringify(v)}`);
      }
    }
  };
  walk(data, '', 0);
}