export function getTokenFromClientKey(clientKey: string) {
  if (!clientKey) throw new Error('The client key is missing.');

  if (clientKey.split('.').length !== 3) {
    throw new Error(
      'Invalid clientKey attribute in DuffelCardForm. It must be a valid JWT.'
    );
  }

  const payloadString = clientKey.split('.')[1];

  if (!payloadString) {
    throw new Error(
      'Invalid clientKey attribute in DuffelCardForm. It must be a valid JWT.'
    );
  }

  try {
    const payload = JSON.parse(atob(payloadString));
    return payload.token;
  } catch (error) {
    throw new Error(
      'Invalid clientKey attribute in DuffelCardForm. It was not possible to read the payload.'
    );
  }
}