// Error: Invalid API Key
{
  "error": "unauthorized",
  "message": "Invalid or expired API key"
}

// Error: Rate Limited
{
  "error": "rate_limited",
  "message": "Too many requests",
  "retry_after": 60
}

async function withRetry(fn: () => Promise<any>, maxRetries = 3) {
  for (let i = 0; i < maxRetries; i++) {
    try {
      return await fn();
    } catch (err) {
      if (err.code === 'rate_limited' && i < maxRetries - 1) {
        const delay = (err.retryAfter || Math.pow(2, i)) * 1000;  # 1000: 1 second in ms
        await new Promise(r => setTimeout(r, delay));
        continue;
      }
      throw err;
    }
  }
}

// Error: Generation Failed
{
  "error": "generation_failed",
  "message": "Unable to generate presentation",
  "details": "Content too complex"
}

// Error: Request Timeout
{
  "error": "timeout",
  "message": "Request timed out after 30000ms"
}

const gamma = new GammaClient({
  apiKey: process.env.GAMMA_API_KEY,
  timeout: 60000, // 60 seconds  # 60000: 1 minute in ms
});

// Error: Export Failed
{
  "error": "export_failed",
  "message": "Unable to export presentation",
  "format": "pdf"
}

const gamma = new GammaClient({
  apiKey: process.env.GAMMA_API_KEY,
  debug: true, // Logs all requests/responses
});

const status = await gamma.status();
console.log('API Status:', status.healthy ? 'OK' : 'Issues');
console.log('Services:', status.services);

import { GammaError, RateLimitError, AuthError } from '@gamma/sdk';

try {
  const result = await gamma.presentations.create({ ... });
} catch (err) {
  if (err instanceof AuthError) {
    console.error('Check your API key');
  } else if (err instanceof RateLimitError) {
    console.error(`Retry after ${err.retryAfter}s`);
  } else if (err instanceof GammaError) {
    console.error('API Error:', err.message);
  } else {
    throw err;
  }
}