<?php
// ============================================
// MakLinkApp – backend/config/db_connect.php
// PDO database connection
// ============================================

define('DB_HOST', getenv('DB_HOST') ?: 'localhost');
define('DB_PORT', getenv('DB_PORT') ?: '3306');
define('DB_NAME', getenv('DB_NAME') ?: 'maklinkapp');
define('DB_USER', getenv('DB_USER') ?: 'maklinkapp_user');
define('DB_PASS', getenv('DB_PASS') ?: '');
define('JWT_SECRET', getenv('JWT_SECRET') ?: 'change_this_in_production');

try {
    $pdo = new PDO(
        "mysql:host=" . DB_HOST . ";port=" . DB_PORT . ";dbname=" . DB_NAME . ";charset=utf8mb4",
        DB_USER,
        DB_PASS,
        [
            PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
            PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
            PDO::ATTR_EMULATE_PREPARES   => false,
        ]
    );
} catch (PDOException $e) {
    http_response_code(500);
    echo json_encode(['error' => 'Database connection failed']);
    exit;
}