<?php
namespace App\Library\SslCommerz;

abstract class AbstractSslCommerz implements SslCommerzInterface
{
    protected $apiUrl;
    protected $storeId;
    protected $storePassword;

    protected function setStoreId($storeID)
    {
        $this->storeId = $storeID;
    }

    protected function getStoreId()
    {
        return $this->storeId;
    }

    protected function setStorePassword($storePassword)
    {
        $this->storePassword = $storePassword;
    }

    protected function getStorePassword()
    {
        return $this->storePassword;
    }

    protected function setApiUrl($url)
    {
        $this->apiUrl = $url;
    }

    protected function getApiUrl()
    {
        return $this->apiUrl;
    }

    /**
     * @param $data
     * @param array $header
     * @param bool $setLocalhost
     * @return bool|string
     */
    public function callToApi($data, $header = [], $setLocalhost = false)
    {
        $curl = curl_init();

        if (!$setLocalhost) {
            curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, true);
            curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2); // The default value for this option is 2. It means, it has to have the same name in the certificate as is in the URL you operate against.
        } else {
            curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
            curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 0); // When the verify value is 0, the connection succeeds regardless of the names in the certificate.
        }

        curl_setopt($curl, CURLOPT_URL, $this->getApiUrl());
        curl_setopt($curl, CURLOPT_HEADER, 0);
        curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
        curl_setopt($curl, CURLOPT_TIMEOUT, 60);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);

        curl_setopt($curl, CURLOPT_POST, 1);
        curl_setopt($curl, CURLOPT_POSTFIELDS, $data);

        $response = curl_exec($curl);
        $err = curl_error($curl);
        $code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
        $curlErrorNo = curl_errno($curl);
        curl_close($curl);

        if ($code == 200 & !($curlErrorNo)) {
            return $response;
        } else {
            return "FAILED TO CONNECT WITH SSLCOMMERZ API";
            //return "cURL Error #:" . $err;
        }
    }

    /**
     * @param $response
     * @param string $type
     * @param string $pattern
     * @return false|mixed|string
     */
    public function formatResponse($response, $type = 'checkout', $pattern = 'json')
    {
        $sslcz = json_decode($response, true);

        if ($type != 'checkout') {
            return $sslcz;
        } else {
            if (isset($sslcz['GatewayPageURL']) && $sslcz['GatewayPageURL'] != "") {
                // this is important to show the popup, return or echo to send json response back
                if($this->getApiUrl() != null && $this->getApiUrl() == 'https://securepay.sslcommerz.com') {
                   $response = json_encode(['status' => 'SUCCESS', 'data' => $sslcz['GatewayPageURL'], 'logo' => $sslcz['storeLogo']]);
                } else {
                    $response = json_encode(['status' => 'success', 'data' => $sslcz['GatewayPageURL'], 'logo' => $sslcz['storeLogo']]);
                }
            } else {
                $response = json_encode(['status' => 'fail', 'data' => null, 'message' => "JSON Data parsing error!"]);
            }

            if ($pattern == 'json') {
                return $response;
            } else {
                echo $response;
            }
        }
    }

    /**
     * @param $url
     * @param bool $permanent
     */
    public function redirect($url, $permanent = false)
    {
        header('Location: ' . $url, true, $permanent ? 301 : 302);

        exit();
    }
}
