const { Pool } = require('pg');
require('dotenv').config();

const pool = new Pool({ connectionString: process.env.DATABASE_URL });

async function updateDB() {
  try {
    await pool.query(`
      CREATE TABLE IF NOT EXISTS h1_registers (
        id VARCHAR(50) PRIMARY KEY,
        dispensing_id VARCHAR(50) REFERENCES dispensing_records(id),
        patient_name VARCHAR(255) NOT NULL,
        prescriber_name VARCHAR(255),
        drug_name VARCHAR(255) NOT NULL,
        batch_no VARCHAR(100) NOT NULL,
        qty INTEGER NOT NULL,
        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
      );
      ALTER TABLE products ADD COLUMN IF NOT EXISTS hsn_code VARCHAR(20);
      UPDATE products SET dpco_ceiling = 80.00 WHERE id = 'prd_4410';
      UPDATE products SET dpco_ceiling = 120.00 WHERE id = 'prd_5510';
    `);
    console.log('Schema updated successfully');
  } catch (err) {
    console.error('Error:', err);
  } finally {
    pool.end();
  }
}

updateDB();