<?php
namespace WeSupply\Toolbox\Controller\Order;

use Magento\Setup\Exception;
use Magento\Framework\App\Response\Http;
use WeSupply\Toolbox\Model\OrderInfoBuilder;

class Cancel extends \Magento\Framework\App\Action\Action
{
/**
* @var \WeSupply\Toolbox\Helper\Data
*/
protected $helper;

/**
* @var \Magento\Sales\Api\OrderRepositoryInterface
*/
protected $orderRepositoryInterface;

/**
* @var int
*/
protected $orderId;

/**
* Cancel constructor.
* @param \Magento\Framework\App\Action\Context $context
* @param \WeSupply\Toolbox\Helper\Data $helper
* @param \Magento\Sales\Api\OrderRepositoryInterface $orderRepositoryInterface
*/
public function __construct(
\Magento\Framework\App\Action\Context $context,
\WeSupply\Toolbox\Helper\Data $helper,
\Magento\Sales\Api\OrderRepositoryInterface $orderRepositoryInterface

)
{
parent::__construct($context);
$this->helper = $helper;
$this->orderRepositoryInterface = $orderRepositoryInterface;
}


public function execute()
{
$response = '';
$params = $this->getRequest()->getParams();
$result = $this->_validateParams($params);

if ($result) {
/** Add the error response */
$this->getResponse()
->setStatusCode(Http::STATUS_CODE_500)
->setContent($result);
return;
} else {
/** Get the orders from the required interval */
$return = $this->cancelOrder();
if($return['success']) {
$response .= $this->addResponseStatus('false', 'SUCCESS', '');
}
else {
$this->getResponse()
->setStatusCode(Http::STATUS_CODE_500)
->setContent('Error: '.$return['failure_reason']);
return;
}
}

$response = '<Orders>' . $response . '</Orders>';
$xml = simplexml_load_string($response); // Might be ignored this and just send the $response as result

$this->getResponse()->setHeader('Content-type', 'text/xml; charset=utf-8');
$this->getResponse()->setBody($xml->asXML());
}


/**
* @return bool|string
* @throws \Magento\Framework\Exception\LocalizedException
*/
private function cancelOrder()
{
$return = array();
if($this->orderId)
{

try {
$order = $this->orderRepositoryInterface->get($this->orderId);

if ($order->canCancel()) {
$order->cancel();
$this->orderRepositoryInterface->save($order);
$return['success'] = true;
$return['failure_reason'] = '';
} else {
$return['success'] = false;
$return['failure_reason'] = 'Order with id ' . $this->orderId . ' can\'t be canceled';

}
}catch(Exception $exception)
{
$return['success'] = false;
$return['failure_reason'] = $exception->getMessage();
}
}
else{
$return['success'] = false;
$return['failure_reason'] = 'No Order Id';
}

return $return;

}

/**
* @param string $hasError
* @param string $errorCode
* @param string $errorDescription
* @return string
*/
protected function addResponseStatus($hasError, $errorCode, $errorDescription)
{
return "<Response>" .
"<ResponseHasErrors>$hasError</ResponseHasErrors>" .
"<ResponseCode>$errorCode</ResponseCode>" .
"<ResponseDescription>$errorDescription</ResponseDescription>"
. "</Response>";
}

/**
* @param $params
* @return bool|\Magento\Framework\Phrase
*/
private function _validateParams($params)
{
$guid = isset($params['guid']) ? $params['guid'] : false;
$clientName = isset($params['ClientName']) ? $params['ClientName'] : false;
$orderId = isset($params['OrderId']) ? $params['OrderId'] : false;
$requiredGuid = $this->helper->getGuid();
$requiredClientName = $this->helper->getClientName();

if (!$guid) {
return __('guid is required. Please specify it');
}
if (!$clientName) {
return __('ClientName is required. Please specify it');
}
if(!$orderId) {
return __('OrderId is required. Please specify it');
}
if ($guid != $requiredGuid) {
return __('guid is invalid');
}
if ($clientName != $requiredClientName) {
return __('ClientName is invalid');
}

$this->guid = $guid;
$this->orderId = preg_replace("/^".OrderInfoBuilder::PREFIX.'/', '', $orderId);

return false;
}


}