// Example: Email verification handler
async function handleVerifyEmail(email, code) {
  try {
    const result = await graphqlClient.mutate({
      mutation: gql`
        mutation VerifyAccount($email: String!, $code: String!) {
          verifyAccount(email: $email, code: $code)
        }
      `,
      variables: {
        email: email,
        code: code
      }
    });

    if (result.data.verifyAccount === "Success") {
      // Email verified successfully
      showSuccess("Email verified! Setting up 2FA...");
      
      // Clear pending email from storage
      sessionStorage.removeItem('pendingEmail');
      
      // Redirect to 2FA setup page
      router.push('/setup-2fa');
    } else {
      // Verification failed
      showError("Invalid or expired code. Please try again.");
      
      // Optionally show resend button
      showResendOption(email);
    }
  } catch (error) {
    if (error.message.includes("Cannot find user")) {
      showError("Email not found. Please sign up first.");
      router.push('/signup');
    } else {
      showError("Verification failed. Please try again.");
    }
  }
}

// Auto-resend after expiration (10 minutes)
function setupExpiryTimer() {
  const expiryTime = 10 * 60 * 1000; // 10 minutes
  setTimeout(() => {
    showWarning("Code expired. Click to request a new one.");
    enableResendButton();
  }, expiryTime);
}