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

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

pool.on('connect', () => console.log('✓ PostgreSQL connected'));
pool.on('error', (err) => console.error('PostgreSQL error:', err));

const query = async (text, params) => {
  const start = Date.now();
  try {
    const res = await pool.query(text, params);
    const duration = Date.now() - start;
    console.log('Executed query', { text, duration, rows: res.rowCount });
    return res;
  } catch (error) {
    console.error('Query error:', error);
    throw error;
  }
};

module.exports = { pool, query };