<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    Mage
 * @package     Mage_Centinel
 * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
 * 3D Secure Validation Library for Payment
 */
include_once '3Dsecure/CentinelClient.php';

/**
 * 3D Secure Validation Api
 */
class Mage_Centinel_Model_Api extends Varien_Object
{
    /**
     * Fields that should be replaced in debug with '***'
     *
     * @var array
     */
    protected $_debugReplacePrivateDataKeys = array('TransactionPwd', 'CardNumber', 'CardExpMonth', 'CardExpYear');

    protected static $_iso4217Currencies = array(
        'AED' => '784', 'AFN' => '971',
        'ALL' => '008', 'AMD' => '051', 'ANG' => '532', 'AOA' => '973', 'ARS' => '032', 'AUD' => '036', 'AWG' => '533',
        'AZN' => '944', 'BAM' => '977', 'BBD' => '052', 'BDT' => '050', 'BGN' => '975', 'BHD' => '048', 'BIF' => '108',
        'BMD' => '060', 'BND' => '096', 'BOB' => '068', 'BOV' => '984', 'BRL' => '986', 'BSD' => '044', 'BTN' => '064',
        'BWP' => '072', 'BYR' => '974', 'BZD' => '084', 'CAD' => '124', 'CDF' => '976', 'CHE' => '947', 'CHF' => '756',
        'CHW' => '948', 'CLF' => '990', 'CLP' => '152', 'CNY' => '156', 'COP' => '170', 'COU' => '970', 'CRC' => '188',
        'CUC' => '931', 'CUP' => '192', 'CVE' => '132', 'CZK' => '203', 'DJF' => '262', 'DKK' => '208', 'DOP' => '214',
        'DZD' => '012', 'EEK' => '233', 'EGP' => '818', 'ERN' => '232', 'ETB' => '230', 'EUR' => '978', 'FJD' => '242',
        'FKP' => '238', 'GBP' => '826', 'GEL' => '981', 'GHS' => '936', 'GIP' => '292', 'GMD' => '270', 'GNF' => '324',
        'GTQ' => '320', 'GYD' => '328', 'HKD' => '344', 'HNL' => '340', 'HRK' => '191', 'HTG' => '332', 'HUF' => '348',
        'IDR' => '360', 'ILS' => '376', 'INR' => '356', 'IQD' => '368', 'IRR' => '364', 'ISK' => '352', 'JMD' => '388',
        'JOD' => '400', 'JPY' => '392', 'KES' => '404', 'KGS' => '417', 'KHR' => '116', 'KMF' => '174', 'KPW' => '408',
        'KRW' => '410', 'KWD' => '414', 'KYD' => '136', 'KZT' => '398', 'LAK' => '418', 'LBP' => '422', 'LKR' => '144',
        'LRD' => '430', 'LSL' => '426', 'LTL' => '440', 'LVL' => '428', 'LYD' => '434', 'MAD' => '504', 'MDL' => '498',
        'MGA' => '969', 'MKD' => '807', 'MMK' => '104', 'MNT' => '496', 'MOP' => '446', 'MRO' => '478', 'MUR' => '480',
        'MVR' => '462', 'MWK' => '454', 'MXN' => '484', 'MXV' => '979', 'MYR' => '458', 'MZN' => '943', 'NAD' => '516',
        'NGN' => '566', 'NIO' => '558', 'NOK' => '578', 'NPR' => '524', 'NZD' => '554', 'OMR' => '512', 'PAB' => '590',
        'PEN' => '604', 'PGK' => '598', 'PHP' => '608', 'PKR' => '586', 'PLN' => '985', 'PYG' => '600', 'QAR' => '634',
        'RON' => '946', 'RSD' => '941', 'RUB' => '643', 'RWF' => '646', 'SAR' => '682', 'SBD' => '090', 'SCR' => '690',
        'SDG' => '938', 'SEK' => '752', 'SGD' => '702', 'SHP' => '654', 'SLL' => '694', 'SOS' => '706', 'SRD' => '968',
        'STD' => '678', 'SYP' => '760', 'SZL' => '748', 'THB' => '764', 'TJS' => '972', 'TMT' => '934', 'TND' => '788',
        'TOP' => '776', 'TRY' => '949', 'TTD' => '780', 'TWD' => '901', 'TZS' => '834', 'UAH' => '980', 'UGX' => '800',
        'USD' => '840', 'USN' => '997', 'USS' => '998', 'UYU' => '858', 'UZS' => '860', 'VEF' => '937', 'VND' => '704',
        'VUV' => '548', 'WST' => '882', 'XAF' => '950', 'XAG' => '961', 'XAU' => '959', 'XBA' => '955', 'XBB' => '956',
        'XBC' => '957', 'XBD' => '958', 'XCD' => '951', 'XDR' => '960', 'XOF' => '952', 'XPD' => '964', 'XPF' => '953',
        'XPT' => '962', 'XTS' => '963', 'XXX' => '999', 'YER' => '886', 'ZAR' => '710', 'ZMK' => '894', 'ZWL' => '932',
    );

    /**
     * Centinel validation client
     *
     * @var CentinelClient
     */
    protected $_clientInstance = null;

    /**
     * Return Centinel thin client object
     *
     * @return CentinelClient
     */
    protected function _getClientInstance()
    {
        if (empty($this->_clientInstance)) {
            $this->_clientInstance = new CentinelClient();
        }
        return $this->_clientInstance;
    }

    /**
     * Return Centinel Api version
     *
     * @return string
     */
    protected function _getVersion()
    {
        return '1.7';
    }

    /**
     * Return transaction type. according centinel documetation it should be "C"
     *
     * @return "C"
     */
    protected function _getTransactionType()
    {
        return 'C';
    }

    /**
     * Return Timeout Connect
     *
     * @return int
     */
    protected function _getTimeoutConnect()
    {
        return 100;
    }

    /**
     * Return Timeout Read
     *
     * @return int
     */
    protected function _getTimeoutRead()
    {
        return 100;
    }

    /**
     * Call centinel api methods by given method name and data
     *
     * @param $method string
     * @param $data array
     *
     * @return CentinelClient
     */
    protected function _call($method, $data)
    {
        $client = $this->_getClientInstance();
        $request = array_merge(array(
            'MsgType'         => $method,
            'Version'         => $this->_getVersion(),
            'ProcessorId'     => $this->getProcessorId(),
            'MerchantId'      => $this->getMerchantId(),
            'TransactionPwd'  => $this->getTransactionPwd(),
            'TransactionType' => $this->_getTransactionType(),
        ), $data);

        $debugData = array('request' => $request);

        try {
            foreach($request as $key => $val) {
                $client->add($key, $val);
            }
            $client->sendHttp($this->_getApiEndpointUrl(), $this->_getTimeoutConnect(), $this->_getTimeoutRead());
        } catch (Exception $e) {
            $debugData['response'] = array('error' => $e->getMessage(), 'code' => $e->getCode());
            $this->_debug($debugData);
            throw $e;
        }

        $debugData['response'] = $client->response;
        $this->_debug($debugData);

        return $client;
    }

    /**
     * Getter for API call URL
     *
     * @return string
     * @throws Exception
     */
    protected function _getApiEndpointUrl()
    {
        if ($this->getIsTestMode()) {
            return 'https://centineltest.cardinalcommerce.com/maps/txns.asp';
        }
        $url = $this->getApiEndpointUrl();
        if (!$url) {
            throw new Exception('Centinel API endpoint URL is not configured properly.');
        }
        return $url;
    }

    /**
     * Call centinel api lookup method
     *
     * @return Mage_Centinel_Model_Api
     */
    public function callLookup($data)
    {
        $result = new Varien_Object();

        $month = strlen($data->getCardExpMonth()) == 1 ? '0' . $data->getCardExpMonth() : $data->getCardExpMonth();
        $currencyCode = $data->getCurrencyCode();
        $currencyNumber = isset(self::$_iso4217Currencies[$currencyCode]) ? self::$_iso4217Currencies[$currencyCode] : '';
        if (!$currencyNumber) {
            return $result->setErrorNo(1)->setErrorDesc(
                Mage::helper('payment')->__('Unsupported currency code: %s.', $currencyCode)
            );
        }

        $clientResponse = $this->_call('cmpi_lookup', array(
            'Amount' => round($data->getAmount() * 100),
            'CurrencyCode' => $currencyNumber,
            'CardNumber' =>  $data->getCardNumber(),
            'CardExpMonth'=> $month,
            'CardExpYear' =>  $data->getCardExpYear(),
            'OrderNumber' => $data->getOrderNumber()
        ));

        $result->setErrorNo($clientResponse->getValue('ErrorNo'));
        $result->setErrorDesc($clientResponse->getValue('ErrorDesc'));
        $result->setTransactionId($clientResponse->getValue('TransactionId'));
        $result->setEnrolled($clientResponse->getValue('Enrolled'));
        $result->setAcsUrl($clientResponse->getValue('ACSUrl'));
        $result->setPayload($clientResponse->getValue('Payload'));
        $result->setEciFlag($clientResponse->getValue('EciFlag'));

        return $result;
    }

    /**
     * Call centinel api authentication method
     *
     * @return Mage_Centinel_Model_Api
     */
    public function callAuthentication($data)
    {
        $result = new Varien_Object();

        $clientResponse = $this->_call('cmpi_authenticate', array(
            'TransactionId' => $data->getTransactionId(),
            'PAResPayload'  => $data->getPaResPayload(),
        ));

        $result->setErrorNo($clientResponse->getValue('ErrorNo'));
        $result->setErrorDesc($clientResponse->getValue('ErrorDesc'));
        $result->setPaResStatus($clientResponse->getValue('PAResStatus'));
        $result->setSignatureVerification($clientResponse->getValue('SignatureVerification'));
        $result->setCavv($clientResponse->getValue('Cavv'));
        $result->setEciFlag($clientResponse->getValue('EciFlag'));
        $result->setXid($clientResponse->getValue('Xid'));

        return $result;
    }

    /**
     * Log debug data to file
     *
     * @param mixed $debugData
     */
    protected function _debug($debugData)
    {
        if ($this->getDebugFlag()) {
            Mage::getModel('core/log_adapter', 'card_validation_3d_secure.log')
               ->setFilterDataKeys($this->_debugReplacePrivateDataKeys)
               ->log($debugData);
        }
    }
}