<?php
class ModelExtensionPaymentFirstdataRemote extends Model
{

    public function getMethod($address, $total)
    {
        $this->load->language('extension/payment/firstdata_remote');

        $query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "zone_to_geo_zone` WHERE `geo_zone_id` = '" . (int)$this->config->get('firstdata_geo_zone_id') . "' AND `country_id` = '" . (int)$address['country_id'] . "' AND (`zone_id` = '" . (int)$address['zone_id'] . "' OR `zone_id` = '0')");

        if ($this->config->get('firstdata_remote_total') > 0 && $this->config->get('firstdata_remote_total') > $total) {
            $status = false;
        } elseif (!$this->config->get('firstdata_remote_geo_zone_id')) {
            $status = true;
        } elseif ($query->num_rows) {
            $status = true;
        } else {
            $status = false;
        }

        $method_data = array();

        if ($status) {
            $method_data = array(
              'code'       => 'firstdata_remote',
              'title'      => $this->language->get('text_title'),
              'terms'      => '',
              'sort_order' => $this->config->get('firstdata_remote_sort_order')
            );
        }

        return $method_data;
    }

    public function capturePayment($data, $order_id)
    {
        $this->load->model('checkout/order');

        $order_info = $this->model_checkout_order->getOrder($order_id);

        $order_ref = 'API-' . $order_id . '-' . date("Y-m-d-H-i-s") . '-' . rand(10, 500);

        $amount = $this->currency->format($order_info['total'], $order_info['currency_code'],
          $order_info['currency_value'], false);

        if ($this->config->get('firstdata_remote_auto_settle') == 1) {
            $type = 'sale';
        } else {
            $type = 'preAuth';
        }

        $currency = $this->mapCurrency($order_info['currency_code']);

        $token = '';
        $payment_token = '';
        if ($this->config->get('firstdata_remote_card_storage') == 1) {
            if (isset($this->request->post['cc_choice']) && $this->request->post['cc_choice'] != 'new') {
                $payment_token = $this->request->post['cc_choice'];
            } elseif (isset($this->request->post['cc_store']) && $this->request->post['cc_store'] == 1) {
                $token = sha1($this->customer->getId() . '-' . date("Y-m-d-H-i-s") . rand(10, 500));
            }
        }

        $xml = '<?xml version="1.0" encoding="UTF-8"?>';
        $xml .= '<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">';
        $xml .= '<SOAP-ENV:Header />';
        $xml .= '<SOAP-ENV:Body>';
        $xml .= '<ipgapi:IPGApiOrderRequest xmlns:v1="http://ipg-online.com/ipgapi/schemas/v1" xmlns:ipgapi="http://ipg-online.com/ipgapi/schemas/ipgapi">';
        $xml .= '<v1:Transaction>';
        $xml .= '<v1:CreditCardTxType>';
        $xml .= '<v1:Type>' . $type . '</v1:Type>';
        $xml .= '</v1:CreditCardTxType>';
        if (empty($payment_token)) {
            $xml .= '<v1:CreditCardData>';
            $xml .= '<v1:CardNumber>' . $data['cc_number'] . '</v1:CardNumber>';
            $xml .= '<v1:ExpMonth>' . $data['cc_expire_date_month'] . '</v1:ExpMonth>';
            $xml .= '<v1:ExpYear>' . $data['cc_expire_date_year'] . '</v1:ExpYear>';
            $xml .= '<v1:CardCodeValue>' . $data['cc_cvv2'] . '</v1:CardCodeValue>';
            $xml .= '</v1:CreditCardData>';
        }
        $xml .= '<v1:Payment>';
        if (!empty($token)) {
            $xml .= '<v1:HostedDataID>' . $token . '</v1:HostedDataID>';
        }
        if (!empty($payment_token)) {
            $xml .= '<v1:HostedDataID>' . $payment_token . '</v1:HostedDataID>';
        }
        $xml .= '<v1:ChargeTotal>' . $amount . '</v1:ChargeTotal>';
        $xml .= '<v1:Currency>' . $currency . '</v1:Currency>';
        $xml .= '</v1:Payment>';

        $xml .= '<v1:TransactionDetails>';
        $xml .= '<v1:OrderId>' . $order_ref . '</v1:OrderId>';
        $xml .= '<v1:Ip>' . $order_info['ip'] . '</v1:Ip>';
        $xml .= '<v1:TransactionOrigin>ECI</v1:TransactionOrigin>';
        $xml .= '<v1:PONumber>OPENCART2.0' . VERSION . '</v1:PONumber>';
        $xml .= '</v1:TransactionDetails>';

        $xml .= '<v1:Billing>';
        $xml .= '<v1:CustomerID>' . (int)$this->customer->getId() . '</v1:CustomerID>';
        $xml .= '<v1:Name>' . $order_info['payment_firstname'] . ' ' . $order_info['payment_lastname'] . '</v1:Name>';
        $xml .= '<v1:Company>' . $order_info['payment_company'] . '</v1:Company>';
        $xml .= '<v1:Address1>' . $order_info['payment_address_1'] . '</v1:Address1>';
        $xml .= '<v1:Address2>' . $order_info['payment_address_2'] . '</v1:Address2>';
        $xml .= '<v1:City>' . $order_info['payment_city'] . '</v1:City>';
        $xml .= '<v1:State>' . $order_info['payment_zone'] . '</v1:State>';
        $xml .= '<v1:Zip>' . $order_info['payment_postcode'] . '</v1:Zip>';
        $xml .= '<v1:Country>' . $order_info['payment_iso_code_2'] . '</v1:Country>';
        $xml .= '<v1:Email>' . $order_info['email'] . '</v1:Email>';
        $xml .= '</v1:Billing>';

        $xml .= '<v1:Shipping>';
        $xml .= '<v1:Name>' . $order_info['shipping_firstname'] . ' ' . $order_info['shipping_lastname'] . '</v1:Name>';
        $xml .= '<v1:Address1>' . $order_info['shipping_address_1'] . '</v1:Address1>';
        $xml .= '<v1:Address2>' . $order_info['shipping_address_2'] . '</v1:Address2>';
        $xml .= '<v1:City>' . $order_info['shipping_city'] . '</v1:City>';
        $xml .= '<v1:State>' . $order_info['shipping_zone'] . '</v1:State>';
        $xml .= '<v1:Zip>' . $order_info['shipping_postcode'] . '</v1:Zip>';
        $xml .= '<v1:Country>' . $order_info['shipping_iso_code_2'] . '</v1:Country>';
        $xml .= '</v1:Shipping>';

        $xml .= '</v1:Transaction>';
        $xml .= '</ipgapi:IPGApiOrderRequest>';
        $xml .= '</SOAP-ENV:Body>';
        $xml .= '</SOAP-ENV:Envelope>';

        $xml = simplexml_load_string($this->call($xml));

        $xml->registerXPathNamespace('ipgapi', 'http://ipg-online.com/ipgapi/schemas/ipgapi');
        $xml->registerXPathNamespace('soap', 'http://schemas.xmlsoap.org/soap/envelope/');

        $fault = $xml->xpath('//soap:Fault');

        $response['fault'] = '';
        if (!empty($fault[0]) && isset($fault[0]->detail)) {
            $response['fault'] = (string)$fault[0]->detail;
        }

        $string = $xml->xpath('//ipgapi:CommercialServiceProvider');
        $response['provider'] = isset($string[0]) ? (string)$string[0] : '';

        $string = $xml->xpath('//ipgapi:TransactionTime');
        $response['transaction_time'] = isset($string[0]) ? (string)$string[0] : '';

        $string = $xml->xpath('//ipgapi:ProcessorReferenceNumber');
        $response['reference_number'] = isset($string[0]) ? (string)$string[0] : '';

        $string = $xml->xpath('//ipgapi:ProcessorResponseMessage');
        $response['response_message'] = isset($string[0]) ? (string)$string[0] : '';

        $string = $xml->xpath('//ipgapi:ProcessorResponseCode');
        $response['response_code'] = isset($string[0]) ? (string)$string[0] : '';

        $string = $xml->xpath('//ipgapi:ErrorMessage');
        $response['error'] = isset($string[0]) ? (string)$string[0] : '';

        $string = $xml->xpath('//ipgapi:OrderId');
        $response['order_id'] = isset($string[0]) ? (string)$string[0] : '';

        $string = $xml->xpath('//ipgapi:ApprovalCode');
        $response['approval_code'] = isset($string[0]) ? (string)$string[0] : '';

        $string = $xml->xpath('//ipgapi:TDate');
        $response['t_date'] = isset($string[0]) ? (string)$string[0] : '';

        $string = $xml->xpath('//ipgapi:TransactionResult');
        $response['transaction_result'] = isset($string[0]) ? (string)$string[0] : '';

        $string = $xml->xpath('//ipgapi:PaymentType');
        $response['payment_type'] = isset($string[0]) ? (string)$string[0] : '';

        $string = $xml->xpath('//ipgapi:Brand');
        $response['brand'] = isset($string[0]) ? (string)$string[0] : '';

        $string = $xml->xpath('//ipgapi:Country');
        $response['country'] = isset($string[0]) ? (string)$string[0] : '';

        $string = $xml->xpath('//ipgapi:ProcessorReceiptNumber');
        $response['receipt_number'] = isset($string[0]) ? (string)$string[0] : '';

        $string = $xml->xpath('//ipgapi:ProcessorTraceNumber');
        $response['trace_number'] = isset($string[0]) ? (string)$string[0] : '';

        $string = $xml->xpath('//ipgapi:ProcessorCCVResponse');
        $response['ccv'] = isset($string[0]) ? (string)$string[0] : '';

        $string = $xml->xpath('//ipgapi:AVSResponse');
        $response['avs'] = isset($string[0]) ? (string)$string[0] : '';

        $response['card_number_ref'] = (string)substr($data['cc_number'], -4);

        if (strtoupper($response['transaction_result']) == 'APPROVED' && !empty($token)) {
            $this->storeCard($token, $this->customer->getId(), $response['brand'], $data['cc_expire_date_month'],
              $data['cc_expire_date_year'], (string)substr($data['cc_number'], -4));
        }

        $this->logger(print_r($response, 1));

        return $response;
    }

    public function call($xml)
    {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, "https://test.ipg-online.com/ipgapi/services");
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: text/xml"));
        curl_setopt($ch, CURLOPT_HTTPAUTH, 'CURLAUTH_BASIC');
        curl_setopt($ch, CURLOPT_USERPWD,
          $this->config->get('firstdata_remote_user_id') . ':' . $this->config->get('firstdata_remote_password'));
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);
        curl_setopt($ch, CURLOPT_CAINFO, $this->config->get('firstdata_remote_ca'));
        curl_setopt($ch, CURLOPT_SSLCERT, $this->config->get('firstdata_remote_certificate'));
        curl_setopt($ch, CURLOPT_SSLKEY, $this->config->get('firstdata_remote_key'));
        curl_setopt($ch, CURLOPT_SSLKEYPASSWD, $this->config->get('firstdata_remote_key_pw'));
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
        //curl_setopt($ch, CURLOPT_STDERR, fopen(DIR_LOGS . "/headers.txt", "w+"));
        curl_setopt($ch, CURLOPT_VERBOSE, true);
        $response = curl_exec($ch);

        $this->logger('Post data: ' . print_r($this->request->post, 1));
        $this->logger('Request: ' . $xml);
        $this->logger('Curl error #: ' . curl_errno($ch));
        $this->logger('Curl error text: ' . curl_error($ch));
        $this->logger('Curl response info: ' . print_r(curl_getinfo($ch), 1));
        $this->logger('Curl response: ' . $response);

        curl_close($ch);

        return $response;
    }

    public function addOrder($order_info, $capture_result)
    {
        if ($this->config->get('firstdata_remote_auto_settle') == 1) {
            $settle_status = 1;
        } else {
            $settle_status = 0;
        }

        $this->db->query("INSERT INTO `" . DB_PREFIX . "firstdata_remote_order` SET `order_id` = '" . (int)$order_info['order_id'] . "', `order_ref` = '" . $this->db->escape($capture_result['order_id']) . "', `authcode` = '" . $this->db->escape($capture_result['approval_code']) . "', `tdate` = '" . $this->db->escape($capture_result['t_date']) . "', `date_added` = now(), `date_modified` = now(), `capture_status` = '" . (int)$settle_status . "', `currency_code` = '" . $this->db->escape($order_info['currency_code']) . "', `total` = '" . $this->currency->format($order_info['total'],
            $order_info['currency_code'], $order_info['currency_value'], false) . "'");

        return $this->db->getLastId();
    }

    public function addTransaction($firstdata_remote_order_id, $type, $order_info = array())
    {
        if (!empty($order_info)) {
            $amount = $this->currency->format($order_info['total'], $order_info['currency_code'],
              $order_info['currency_value'], false);
        } else {
            $amount = 0.00;
        }

        $this->db->query("INSERT INTO `" . DB_PREFIX . "firstdata_remote_order_transaction` SET `firstdata_remote_order_id` = '" . (int)$firstdata_remote_order_id . "', `date_added` = now(), `type` = '" . $this->db->escape($type) . "', `amount` = '" . (float)$amount . "'");
    }

    public function logger($message)
    {
        if ($this->config->get('firstdata_remote_debug') == 1) {
            $log = new Log('firstdata_remote.log');
            $log->write($message);
        }
    }

    public function addHistory($order_id, $order_status_id, $comment)
    {
        $this->db->query("INSERT INTO `" . DB_PREFIX . "order_history` SET `order_id` = '" . (int)$order_id . "', `order_status_id` = '" . (int)$order_status_id . "', `notify` = '0', `comment` = '" . $this->db->escape($comment) . "', `date_added` = NOW()");
    }

    public function mapCurrency($code)
    {
        $currency = array(
          'GBP' => 826,
          'USD' => 840,
          'EUR' => 978,
        );

        if (array_key_exists($code, $currency)) {
            return $currency[$code];
        } else {
            return false;
        }
    }

    public function getStoredCards()
    {
        $customer_id = $this->customer->getId();

        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "firstdata_remote_card WHERE customer_id = '" . (int)$customer_id . "'");

        return $query->rows;
    }

    public function storeCard($token, $customer_id, $type, $month, $year, $digits)
    {
        $this->db->query("INSERT INTO `" . DB_PREFIX . "firstdata_remote_card` SET `customer_id` = '" . (int)$customer_id . "', `date_added` = now(), `token` = '" . $this->db->escape($token) . "', `card_type` = '" . $this->db->escape($type) . "', `expire_month` = '" . $this->db->escape($month) . "', `expire_year` = '" . $this->db->escape($year) . "', `digits` = '" . $this->db->escape($digits) . "'");
    }

}