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require_once __DIR__ . '/../config/config.php';
require_once __DIR__ . '/../includes/functions.php';
header('Content-Type: application/json');
if ($_SERVER['REQUEST_METHOD'] != 'POST') { echo json_encode(['success'=>false,'message'=>'Invalid request']); exit; }
$name = cleanInput($_POST['name']);
$email = cleanInput($_POST['email']);
$phone = cleanInput($_POST['phone']);
$password = $_POST['password'];
$confirm = $_POST['confirm_password'];
if ($password != $confirm) { echo json_encode(['success'=>false,'message'=>'Passwords do not match']); exit; }
if (strlen($password) < 6) { echo json_encode(['success'=>false,'message'=>'Password must be at least 6 characters']); exit; }
$check = $conn->prepare("SELECT id FROM customers WHERE email = ?");
$check->bind_param("s", $email); $check->execute();
if ($check->get_result()->num_rows > 0) { echo json_encode(['success'=>false,'message'=>'Email already registered']); exit; }
$hash = password_hash($password, PASSWORD_DEFAULT);
$stmt = $conn->prepare("INSERT INTO customers (name, email, phone, password) VALUES (?, ?, ?, ?)");
$stmt->bind_param("ssss", $name, $email, $phone, $hash);
if ($stmt->execute()) {
    echo json_encode(['success'=>true,'message'=>'Account created successfully! Please login.']);
} else {
    echo json_encode(['success'=>false,'message'=>'Registration failed. Please try again.']);
}