import mysql from 'mysql2/promise';
import dotenv from 'dotenv';

dotenv.config();

const pool = mysql.createPool({
  host: process.env.DB_HOST || 'db',
  port: process.env.DB_PORT || 3306,
  user: process.env.DB_USER || 'omni_user',
  password: process.env.DB_PASSWORD || 'omni_pass',
  database: process.env.DB_NAME || 'omnisupport',
  waitForConnections: true,
  connectionLimit: 10,
  queueLimit: 0
});

export const query = async (sql, params) => {
  try {
    const [results] = await pool.execute(sql, params);
    return results;
  } catch (error) {
    console.error('Database query error:', error);
    throw error;
  }
};

export const checkConnection = async () => {
  try {
    const connection = await pool.getConnection();
    await connection.ping();
    connection.release();
    console.log('✅ Connected to MySQL Database');
    return true;
  } catch (error) {
    console.error('❌ Database connection failed:', error.message);
    return false;
  }
};