protected function refundDetails($payment, $amount)
{
$data = parent::refundDetails($payment, $amount);
$data['refund_reason'] = 'Refund issued by merchant.';
// WePay issues a full refund when no amount is set. If an amount is set, it will try
// to issue a partial refund without refunding any fees. However, the Stripe driver
// (but not the API) requires the amount parameter to be set no matter what.
if ($data['amount'] == $payment->getCompletedAmount()) {
unset($data['amount']);
}
return $data;
}