const https = require('https');
function httpGet(url) {
  return new Promise((res,rej)=>{
    const u=new URL(url);
    https.request({hostname:u.hostname,path:u.pathname+u.search,headers:{'User-Agent':'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 Chrome/120.0','Accept':'application/json,*/*'}},r=>{
      let d=''; r.on('data',c=>d+=c); r.on('end',()=>res({status:r.statusCode,data:d}));
    }).on('error',rej).end();
  });
}

function nowIso() { return new Date().toISOString().replace(/\.\d+Z$/,''); }

function buildVtexGraphqlUrl(host, operationName, hash, sender, account) {
  const now = nowIso();
  const innerVars = {
    where: `active=true AND ((active_from < ${now}) AND (active_to > ${now}))`,
    account
  };
  const ext = {
    persistedQuery: {version:1, sha256Hash:hash, sender, provider:'vtex.store-graphql@2.x'},
    variables: Buffer.from(JSON.stringify(innerVars)).toString('base64')
  };
  const params = new URLSearchParams({
    workspace:'master', maxAge:'short', appsEtag:'remove',
    domain:'store', locale:'es-AR',
    operationName, variables:'{}',
    extensions: JSON.stringify(ext)
  });
  return `https://${host}/_v/public/graphql/v1?${params}`;
}

(async()=>{
  // Analyze Carrefour documents structure
  console.log('=== CARREFOUR full structure ===');
  const curl = buildVtexGraphqlUrl(
    'www.carrefour.com.ar', 'GetPromotions',
    'cdedb2142b133164ce61b85e94287592451ebee4a2fbede815e09336d40d29ae',
    'valtech.carrefourar-bank-promotions@0.x',
    'carrefourar'
  );
  const cr = await httpGet(curl);
  const cd = JSON.parse(cr.data);
  const cdocs = cd?.data?.documents || [];
  console.log('Total docs:', cdocs.length);
  // Extract all field keys from first 3 docs
  cdocs.slice(0,3).forEach((doc, i) => {
    const fields = {};
    (doc.fields||[]).forEach(f => fields[f.key] = f.value);
    console.log(`\nDoc ${i+1}:`, JSON.stringify(fields).slice(0,600));
  });

  // Analyze Changomas structure
  console.log('\n\n=== CHANGOMAS full structure ===');
  const murl = buildVtexGraphqlUrl(
    'www.masonline.com.ar', 'GetPromos',
    '1a071ebc5dc407a3f65e687b0f4c0a3b8d12a0c45d8d11370075c3b2a505251c',
    'valtech.gdn-banks-promotions@0.x',
    'masonlineprod'
  );
  const mr = await httpGet(murl);
  const md = JSON.parse(mr.data);
  const mdocs = md?.data?.documents || [];
  console.log('Total docs:', mdocs.length);
  mdocs.slice(0,3).forEach((doc, i) => {
    const fields = {};
    (doc.fields||[]).forEach(f => fields[f.key] = f.value);
    console.log(`\nDoc ${i+1}:`, JSON.stringify(fields).slice(0,600));
  });
})().catch(e=>console.error(e));