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

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

const initDb = async () => {
  try {
    await pool.query(`
      CREATE TABLE IF NOT EXISTS users (
        id SERIAL PRIMARY KEY,
        username VARCHAR(50) UNIQUE NOT NULL,
        email VARCHAR(255) UNIQUE NOT NULL,
        password_hash VARCHAR(255) NOT NULL,
        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
      )
    `);
    console.log('Database initialized');
  } catch (err) {
    console.error('Error initializing database', err);
  }
};

initDb();

module.exports = pool;