// 稳健树状 dump：打印 JSON 路径结构，深度受控
import fs from 'node:fs';
import path from 'node:path';

const dir = path.resolve(process.argv[2] || '.cdp/out/api');
const which = process.argv[3] || '30d';
const files = fs.readdirSync(dir).filter(f => f.startsWith(which) && f.endsWith('.txt')).sort();

function deepFind(o, key, hits = [], p = '') {
  if (o === null || typeof o !== 'object') return hits;
  for (const k of Object.keys(o)) {
    const np = p ? p + '.' + k : k;
    if (k === key) hits.push({ path: np, value: o[k] });
    deepFind(o[k], key, hits, np);
  }
  return hits;
}

function tree(o, p, d, out) {
  const ind = '  '.repeat(d);
  if (o === null) { out.push(ind + p + ' = null'); return; }
  if (Array.isArray(o)) {
    out.push(ind + p + ` [array len=${o.length}]`);
    if (o.length && typeof o[0] === 'object' && d < 4) tree(o[0], p + '[0]', d + 1, out);
    else if (o.length) out.push(ind + '  sample=' + JSON.stringify(o.slice(0, 6)));
    return;
  }
  if (typeof o === 'object') {
    out.push(ind + p + ' {' + Object.keys(o).length + '}');
    if (d >= 5) return;
    for (const k of Object.keys(o)) tree(o[k], k, d + 1, out);
    return;
  }
  out.push(ind + p + ' = ' + JSON.stringify(o));
}

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();
  let json = null;
  try { json = JSON.parse(body); } catch {
    const m = body.match(/^[^(]*\((.*)\)[;\s]*$/s);
    if (m) { try { json = JSON.parse(m[1]); } catch {} }
  }
  console.log('\n' + '='.repeat(80));
  console.log(f + '   ' + (url.match(/datacompass\.[A-Za-z0-9._]+/) || [''])[0]);
  if (!json) { console.log('  UNPARSED, head: ' + body.slice(0, 200)); continue; }
  console.log('  topLevelKeys = ' + JSON.stringify(Object.keys(json)));
  for (const h of deepFind(json, 'realDateRange')) console.log('  DATE ' + h.path + ' = ' + JSON.stringify(h.value));
  const out = [];
  tree(json, '$', 0, out);
  console.log(out.slice(0, 90).join('\n'));
  if (out.length > 90) console.log('  ...(+' + (out.length - 90) + ' more lines)');
}