import pkg from 'pg';
const { Pool } = pkg;
import dotenv from 'dotenv';

dotenv.config();

const pool = new Pool({
  host: process.env.DB_HOST || 'localhost',
  port: process.env.DB_PORT || 5432,
  database: process.env.DB_NAME || 'korea_tourism',
  user: process.env.DB_USER || 'tourism_user',
  password: process.env.DB_PASSWORD || 'tourism_password',
  max: 20,
  idleTimeoutMillis: 30000,
  connectionTimeoutMillis: 2000,
});

// Test database connection
pool.on('connect', () => {
  console.log('💾 Connected to PostgreSQL database');
});

pool.on('error', (err) => {
  console.error('🔴 Database connection error:', err);
});

const db = {
  pool,
  query: (text, params) => pool.query(text, params)
};

export default db;
export { pool };