const fs = require('fs');
const FormData = require('form-data');

const API_KEY = 'rpz_your_api_key_here';
const BASE_URL = 'https://repraze.app/api/v1';

async function translateDocument(filePath, targetLang) {
  // 1. Check credits first
  const meRes = await fetch(`${BASE_URL}/me`, {
    headers: { 'x-api-key': API_KEY }
  });
  const account = await meRes.json();
  console.log(`Credits available: ${account.totalCreditsAvailable}`);

  // 2. Submit translation job
  const form = new FormData();
  form.append('file', fs.createReadStream(filePath));
  form.append('targetLang', targetLang);

  const submitRes = await fetch(`${BASE_URL}/translate`, {
    method: 'POST',
    headers: { 'x-api-key': API_KEY },
    body: form
  });
  const { jobId } = await submitRes.json();
  console.log(`Job started: ${jobId}`);

  // 3. Poll for completion
  let status = 'processing';
  while (status === 'processing') {
    await new Promise(r => setTimeout(r, 2000)); // Wait 2s
    const statusRes = await fetch(`${BASE_URL}/status/${jobId}`, {
      headers: { 'x-api-key': API_KEY }
    });
    const job = await statusRes.json();
    status = job.status;
    console.log(`Progress: ${job.progress}%`);

    if (status === 'completed') {
      console.log(`Download: ${job.downloadUrl}`);
      return job.downloadUrl;
    }
    if (status === 'error') {
      throw new Error(job.error);
    }
  }
}

translateDocument('presentation.pptx', 'es');