<?php

require_once('BTlib.php');

header('Content-type: text/xml; charset=UTF-8');
$xml = new XMLWriter();
$xml->openMemory();
$xml->setIndent(false);
$xml->startDocument('1.0', 'UTF-8');
$xml->startElement('Braintree');
do{

  if(isset($_POST['accessToken'])) {
    try{
      $gateway =  new Braintree_Gateway(['accessToken' => $_POST['accessToken']]);
    } catch(Braintree_Exception_Authentication $e) {
      $xml->writeElement('error', 'Authentication Error');
      break;
    } catch(Exception $e) {
      $xml->writeElement('error', 'Authentication Error');
      break;
    }
  } else {
    $xml->writeElement('error', 'Missing Parameters: accessToken');
    break;
  }

  try {
    if(isset($_POST['type'])){
      $configType = $_POST['type'];
    }
    switch($configType) {
    case "apple":
    {
      $domain = isset($_POST['domain'])?$_POST['domain']:null;
      $result = $gateway->applePay()->registerDomain($domain);
      if(!$result->success) {
        $xml->writeElement('result','fail');
        $xml->writeElement('error','Operation Failed');
      } else {
        $xml->writeElement('result','success');
      }
      break;
    }
    default:
      $xml->writeElement('error','Unknown Config');
      break;
    }
  } catch(Braintree_Exception_Authentication $e) {
    $xml->writeElement('error', 'Authentication Error');
    break;
  } catch(Exception $e) {
    $xml->writeElement('error', 'Config Failed');
    break;
  }
}while(0);

$xml->endElement();
$xml->endDocument();
echo $xml->outputMemory(true);