<?php
require_once __DIR__ . '/config.php';

try {
    $pdo = db();
    $sql = "ALTER TABLE service_requests ADD COLUMN user_id INT NOT NULL AFTER dealer_id";
    $pdo->exec($sql);
    $sql_fk = "ALTER TABLE service_requests ADD FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE";
    $pdo->exec($sql_fk);
    echo "Migration to add user_id to service_requests table applied successfully." . PHP_EOL;
} catch (PDOException $e) {
    die("Migration failed: " . $e->getMessage());
}