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();
  });
}

// Now in format "2026-03-05T20:15:48" (ISO without ms/Z)
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()=>{
  // Test Carrefour
  console.log('=== CARREFOUR ===');
  const curl = buildVtexGraphqlUrl(
    'www.carrefour.com.ar', 'GetPromotions',
    'cdedb2142b133164ce61b85e94287592451ebee4a2fbede815e09336d40d29ae',
    'valtech.carrefourar-bank-promotions@0.x',
    'carrefourar'
  );
  const cr = await httpGet(curl);
  console.log('status:', cr.status, 'size:', cr.data.length);
  try {
    const d = JSON.parse(cr.data);
    const docs = d?.data?.documents;
    console.log('documents:', Array.isArray(docs) ? 'array len='+docs.length : JSON.stringify(docs).slice(0,100));
    if (Array.isArray(docs) && docs.length) {
      console.log('first doc keys:', Object.keys(docs[0]||{}).join(', '));
      console.log('first doc:', JSON.stringify(docs[0]).slice(0,500));
    }
    if (d?.errors) console.log('errors:', JSON.stringify(d.errors).slice(0,300));
  } catch(e) { console.log('parse err:', cr.data.slice(0,300)); }

  // Test Changomas
  console.log('\n=== CHANGOMAS ===');
  const murl = buildVtexGraphqlUrl(
    'www.masonline.com.ar', 'GetPromos',
    '1a071ebc5dc407a3f65e687b0f4c0a3b8d12a0c45d8d11370075c3b2a505251c',
    'valtech.gdn-banks-promotions@0.x',
    'masonlineprod'
  );
  const mr = await httpGet(murl);
  console.log('status:', mr.status, 'size:', mr.data.length);
  try {
    const d = JSON.parse(mr.data);
    const docs = d?.data?.documents;
    console.log('documents:', Array.isArray(docs) ? 'array len='+docs.length : JSON.stringify(docs).slice(0,100));
    if (Array.isArray(docs) && docs.length) {
      console.log('first doc keys:', Object.keys(docs[0]||{}).join(', '));
      console.log('first doc:', JSON.stringify(docs[0]).slice(0,500));
    }
    if (d?.errors) console.log('errors:', JSON.stringify(d.errors).slice(0,300));
  } catch(e) { console.log('parse err:', mr.data.slice(0,300)); }

  // Try Disco account names
  console.log('\n=== DISCO account name guesses ===');
  for (const an of ['jumboargentina','cencosudretail','discotiendasretail','discofresh','cencosud-disco']) {
    const r = await httpGet(`https://www.disco.com.ar/api/dataentities/JN/documents/bankDiscount?_fields=value,id&an=${an}&_size=3`);
    console.log(`an=${an}: ${r.status} size=${r.data.length} preview=${r.data.slice(0,80)}`);
  }
})().catch(e=>console.error(e));