<?php
class tp_mods_CreditCardGateway
{
        /**
         * Property: COOKIE
         * -------------------------------------------------------------------------
         * This is the file path to the cookie that is saved.
         * Every new instance of this class will get a new cookie.
         *
         * @access private
         * @type string
         */
        private $COOKIE = '';

        /**
         * Method: Constructor
         * -------------------------------------------------------------------------
         * This is where we will set the name of the new cookie
         *
         * @access public
         * @return void
         */
        public function __construct()
        {
                // NOTE: CookieJar must use relative paths or is wont work.
                $this->COOKIE = '../data/'.time().'.tmp';
        }

        /**
         * Method: login
         * -------------------------------------------------------------------------
         * This method will make the first request to login to the MOTO Interface.
         * Simply returning true or false.
         *
         * @access public
         * @return boolean
         */
        public function login()
        {
                // Make the request
                $ch = curl_init();
                curl_setopt($ch, CURLOPT_VERBOSE, 1);
                curl_setopt_array($ch, array
                (
                        CURLOPT_URL => $GLOBALS['config']->MODS->BB->URL . 'login.s',
                        CURLOPT_POST => 1,
                        CURLOPT_HEADER => 0,
                        CURLOPT_SSL_VERIFYPEER => 0,
                        CURLOPT_RETURNTRANSFER => 1,
                        CURLOPT_FOLLOWLOCATION => 1,
                        CURLOPT_COOKIEJAR => $this->COOKIE,
                        CURLOPT_POSTFIELDS => array
                        (
                                'mappedUrl' => '/BENDIGO',
                                'is-login-request' => 'true',
                                'ownerId' => $GLOBALS['config']->MODS->BB->MERCHANT_ID,
                                'userName' => $GLOBALS['config']->MODS->BB->USERNAME,
                                'password' => $GLOBALS['config']->MODS->BB->PASSWORD,
                                'loginForm' => 'LOG IN'
                        )
                ));
                $data = curl_exec($ch);
                curl_close($ch);

                // Process the request - did we manage to login or not
                if (strpos($data, 'Welcome'))
                {
                        // Okay so we logged in, now we need to grab the stupid CSRF value
                        $this->CSRF = substr($data, strpos($data, "{'csrf':'")+9);
                        $this->CSRF = substr($this->CSRF, 0, strpos($this->CSRF, "'});"));
                        return true;
                }
                else return false;
        }

        /**
         * Method: logout
         * -------------------------------------------------------------------------
         * All this does is deletes the cookie
         *
         * @access public
         * @return boolean
         */
        public function logout()
        {
                unlink($this->COOKIE);
                if (!file_exists($this->COOKIE)) return true;
                else return false;
        }

        /**
         * Method: process_card
         * -------------------------------------------------------------------------
         * This method will process a card and return a response code.
         *
         * @access public
         * @return string
         */
        public function process_card($card_number, $card_expiry_month, $card_expiry_year, $cvv, $amount, $name, $reference)
        {
                // Lets do some validation

                // testing...           return $amount;

                if (!toolBox('ValidLuhn', array($card_number)))
                {
                        return 'INVALID CREDIT CARD NUMBER';
                }

                if (!is_numeric($card_expiry_month) || strlen($card_expiry_month) > 2)
                {
                        return 'INVALID EXPIRY MONTH';
                }

                if (!is_numeric($card_expiry_year) || strlen($card_expiry_year) > 2)
                {
                        return 'INVALID EXPIRY YEAR';
                }

                if (!empty($cvv) && (!is_numeric($cvv) || strlen($cvv) > 4))
                {
                        return 'INVALID CVV NUMBER';
                }

                // Make the request
                $fh = fopen('/tmp/curl.out','w') or die($php_errormsg);
                $ch = curl_init();
                curl_setopt_array($ch, array
                (
                        CURLOPT_VERBOSE => 1,
                        CURLOPT_DEBUGFUNCTION => 1,
                        CURLOPT_STDERR => $fh,
                        CURLOPT_URL => $GLOBALS['config']->MODS->BB->URL . 'initialTransactionEntry.s?csrf='.$this->CSRF,
                        CURLOPT_POST => 1,
                        CURLOPT_HEADER => 0,
                        CURLOPT_SSL_VERIFYPEER => 0,
                        CURLOPT_RETURNTRANSFER => 1,
                        CURLOPT_FOLLOWLOCATION => 1,
                        CURLOPT_COOKIEFILE => $this->COOKIE,
                        CURLOPT_POSTFIELDS => array
                        (
                                'requestType' => 'initTransaction',
                                'orderNumber' => $reference,
                                'amount' => $amount,
                                'avsData.cardholderName' => $name,
                                'cleartextCardNumber' => $card_number,
                                'cardExpiryMonth' => $card_expiry_month,
                                'cardExpiryYear' => $card_expiry_year,
                                'csc' => $cvv,
                                'avsData.address.countryCode' => 'AUS',
                                'submit' => 'Submit'
                        )
                ));
                $data = curl_exec($ch);
                curl_close($ch);

                // Process the request - what response code did we get
                if (strpos($data, '0 - Approved'))
                {
                        return 'APPROVED';
                }
                elseif (strpos($data, '2 - Declined'))
                {
                        return 'DECLINED';
                }
                elseif (strpos($data, 'Invalid card number'))
                {
                        return 'INVALID CARD NUMBER';
                }
                elseif (strpos($data, '4 - Expired Card'))
                {
                        return 'EXPIRED CARD';
                }
                elseif (strpos($data, '5 - Insufficient Funds'))
                {
                        return 'INSUFFICIENT FUNDS';
                }
                elseif (strpos($data, 'Entered amount is invalid.'))
                {
                        return 'AMOUNT IS INVALID';
                }
                elseif (strpos($data, '3 - Timed Out'))
                {
                        return 'TIMED OUT';
                }
                else
                {
                        // Lets send an error report email
                        $mail = new Zend_Mail('utf-8');
                        $mail->setType(Zend_Mime::MULTIPART_RELATED);
                        $mail->setBodyHtml($data,null,Zend_Mime::MULTIPART_RELATED);
                        $mail->setFrom('noreply@hugonet.com.au', 'No-Reply');
                        $mail->addTo($GLOBALS['config']->ERROR_TO);
                        $mail->setSubject('TarkaPlus SERVER Bendigo Bank (9 - UNKNOWN ERROR)');
                        $mail->send();

                        return '9 - UNKNOWN ERROR';
                }
        }

        /**
         * Method: refund_card
         * -------------------------------------------------------------------------
         * This will refund a given transaction.
         * You must know the Order Id so that we know we are refunding
         * the correct card. And the amount that you wish to refund.
         *
         * NOTE: That you dont have to refund the whole amount...
         *
         * @access public
         * @return boolean
         */
        public function refund_card($amount, $order_id)
        {
                // Search for the Transaction.
                $ch = curl_init();
                curl_setopt_array($ch, array
                (
                        CURLOPT_URL => $GLOBALS['config']->MODS->BB->URL . 'orderSearch.s?csrf='.$this->CSRF,
                        CURLOPT_POST => 1,
                        CURLOPT_HEADER => 0,
                        CURLOPT_SSL_VERIFYPEER => 0,
                        CURLOPT_RETURNTRANSFER => 1,
                        CURLOPT_FOLLOWLOCATION => 1,
                        CURLOPT_COOKIEFILE => $this->COOKIE,
                        CURLOPT_POSTFIELDS => array
                        (
                                'fromDate' => '',
                                'toDate' => '',
                                'orderId' => $order_id,
                                'acquirerId' => '',
                                'merchantTransactionSource' => '',
                                'transactionState' => '',
                                'submit' => 'Submit'
                        )
                ));
                $html = curl_exec($ch);
                curl_close($ch);

                // Extract the Order System Id
                $order_system_id = toolBox('StrBetween', array
                (
                        $html,
                        '<input type="hidden" name="orderSystemId" value="',
                        '"/>'
                ));

                // Extract the transaction type
                $transaction_type = toolBox('StrBetween', array
                (
                        $html,
                        '<input type="hidden" name="transactionType" value="',
                        '"/>'
                ));

                // Make sure we actually found a card
                if (is_numeric($order_system_id))
                {
                        // Make sure we have a card that can be refunded
                        if ($transaction_type == 'RFND')
                        {
                                // Make the refund.
                                $ch = curl_init();
                                curl_setopt_array($ch, array
                                (
                                        CURLOPT_URL => $GLOBALS['config']->MODS->BB->URL . 'orderDetails.s?csrf='.$this->CSRF,
                                        CURLOPT_POST => 1,
                                        CURLOPT_HEADER => 0,
                                        CURLOPT_SSL_VERIFYPEER => 0,
                                        CURLOPT_RETURNTRANSFER => 1,
                                        CURLOPT_FOLLOWLOCATION => 1,
                                        CURLOPT_COOKIEFILE => $this->COOKIE,
                                        CURLOPT_POSTFIELDS => array
                                        (
                                                'orderSystemId' => $order_system_id,
                                                'orderId' => $order_id,
                                                'transactionType' => 'RFND',
                                                'amount' => $amount,
                                                'submit' => 'Refund'
                                        )
                                ));
                                $data = curl_exec($ch);
                                curl_close($ch);
                        }
                        else
                        {
                                // This card has already been refunded...
                                $data = 'CAN NOT REFUND';
                        }
                }
                else
                {
                        // We could not find an extacrt match to the order id
                        $data = 'ORDER ID NOT FOUND';
                }


                // Process the request - what response code did we get
                if (strpos($data, '0 - Approved'))
                {
                        return '0 - APPROVED';
                }
                elseif($data == 'ORDER ID NOT FOUND')
                {
                        return '1 - ORDER ID NOT FOUND';
                }
                elseif($data == 'CAN NOT REFUND')
                {
                        return '2 - CARD ALREADY REFUNDED';
                }
                else
                {
                        // Lets send an error report email
                        $mail = new Zend_Mail('utf-8');
                        $mail->setType(Zend_Mime::MULTIPART_RELATED);
                        $mail->setBodyHtml($data,null,Zend_Mime::MULTIPART_RELATED);
                        $mail->setFrom('noreply@hugonet.com.au', 'No-Reply');
                        $mail->addTo($GLOBALS['config']->ERROR_TO);
                        $mail->setSubject('TarkaPlus SERVER Bendigo Bank (9 - UNKNOWN ERROR)');
                        $mail->send();

                        return '9 - UNKNOWN ERROR';
                }
        }
}