import { pool } from '../src/db/pool';

async function updateManufacturers() {
  const mfrs = [
    'Cipla Ltd', 
    'Sun Pharma', 
    "Dr. Reddy's Laboratories", 
    'Lupin Ltd', 
    'Abbott Healthcare', 
    'Mankind Pharma', 
    'Alkem Laboratories', 
    'Torrent Pharma', 
    'Zydus Healthcare', 
    'GlaxoSmithKline'
  ];

  const res = await pool.query('SELECT id FROM products');
  console.log('Total products in DB:', res.rows.length);

  for (let i = 0; i < res.rows.length; i++) {
    const mfr = mfrs[i % mfrs.length];
    await pool.query('UPDATE products SET manufacturer = $1 WHERE id = $2', [mfr, res.rows[i].id]);
  }

  console.log('Successfully updated manufacturer for all products in database!');
  await pool.end();
}

updateManufacturers().catch(console.error);