Rate Limits

async function makeRequestWithRetry(url, options, maxRetries = 3) {
  for (let i = 0; i < maxRetries; i++) {
    const response = await fetch(url, options);
    
    if (response.status === 429) {
      const retryAfter = response.headers.get('Retry-After') || 60;
      console.log(`Rate limited. Waiting ${retryAfter}s...`);
      await new Promise(resolve => setTimeout(resolve, retryAfter * 1000));
      continue;
    }
    
    return response;
  }
  throw new Error('Max retries exceeded');
}

const cache = new Map();
const CACHE_TTL = 60000; // 1 minuto

async function getBalance() {
  const cached = cache.get('balance');
  if (cached && Date.now() - cached.timestamp < CACHE_TTL) {
    return cached.data;
  }
  
  const response = await fetch('https://carteira.nevermissapps.com/v1/balance', {
    headers: { 'Authorization': `Bearer ${API_KEY}` }
  });
  
  const data = await response.json();
  cache.set('balance', { data, timestamp: Date.now() });
  return data;
}

const response = await fetch(url, options);

const remaining = response.headers.get('X-RateLimit-Remaining');
const reset = response.headers.get('X-RateLimit-Reset');

if (remaining < 5) {
  console.warn(`Atenção: apenas ${remaining} requisições restantes`);
  console.warn(`Reset em: ${new Date(reset * 1000)}`);
}