const mysql = require('mysql2');

// Create MySQL Connection Pool
const pool = mysql.createPool({
    host: process.env.DB_HOST,
    user: process.env.DB_USER,
    password: process.env.DB_PASS,
    database: process.env.DB_NAME,
    waitForConnections: true,
    connectionLimit: 10, // Max 10 connections at a time
    queueLimit: 0
});

pool.getConnection((err, connection) => {
    if (err) {
        console.error("❌ Database connection failed: ", err.message);
    } else {
        console.log("✅ Database connected successfully!");
        connection.release();
    }
});

// Export database connection
module.exports = pool.promise();