import { drizzle } from 'drizzle-orm/node-postgres';
import { Pool } from 'pg';
import * as schema from './schema';

function createConnection() {
  if (!process.env.DATABASE_URL) {
    throw new Error('DATABASE_URL environment variable is required');
  }

  const pool = new Pool({
    connectionString: process.env.DATABASE_URL,
    ssl: false,
    max: 10,
    idleTimeoutMillis: 30000,
    connectionTimeoutMillis: 2000
  });

  // Test connection
  pool.on('error', (err) => {
    console.error('Unexpected error on idle client', err);
  });

  return drizzle(pool, { schema });
}

export const db = createConnection();
export { schema };