format-pipeline.js

// Data format pipeline: YAML config → JSON → CSV export
// Demonstrates chaining DocForge API calls
// Usage: node format-pipeline.js

const yamlConfig = `
employees:
  - name: Alice Chen
    role: Senior Engineer
    department: Engineering
    salary: 145000
  - name: Bob Johnson
    role: Product Manager
    department: Product
    salary: 130000
  - name: Carol Williams
    role: Designer
    department: Design
    salary: 120000
  - name: Dave Brown
    role: Data Scientist
    department: Engineering
    salary: 140000
`;

const API = 'https://docforge-api.vercel.app/api';

async function pipeline() {
  // Step 1: YAML → JSON
  console.log('Step 1: Converting YAML to JSON...');
  const yamlRes = await fetch(`${API}/yaml-json`, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ input: yamlConfig, direction: 'yaml-to-json' })
  });
  const { output: jsonData } = await yamlRes.json();
  console.log(`  Parsed ${jsonData.employees.length} employees from YAML`);

  // Step 2: JSON → CSV
  console.log('Step 2: Converting JSON to CSV...');
  const csvRes = await fetch(`${API}/json-to-csv`, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ data: jsonData.employees })
  });
  const { csv, meta } = await csvRes.json();
  console.log(`  Generated CSV with ${meta.rowCount} rows, ${meta.columnCount} columns`);

  console.log();
  console.log('=== Final CSV Output ===');
  console.log(csv);

  // Bonus: verify round-trip by converting CSV back to JSON
  console.log();
  console.log('=== Round-trip verification (CSV → JSON) ===');
  const verifyRes = await fetch(`${API}/csv-to-json`, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ csv })
  });
  const verified = await verifyRes.json();
  console.log(`  ${verified.meta.rowCount} rows recovered`);
  console.log(`  Data integrity: ${JSON.stringify(verified.data[0])}`);
}

pipeline();