<?php
class ModelPaymentPPPayflowIframe extends Model {
    public function getMethod($address, $total) {
        $this->load->language('payment/pp_payflow_iframe');

        $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "zone_to_geo_zone WHERE geo_zone_id = '" . (int) $this->config->get('pp_payflow_iframe_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('pp_payflow_iframe_total') > $total) {
            $status = false;
        } elseif (!$this->config->get('pp_payflow_iframe_geo_zone_id')) {
            $status = true;
        } elseif ($query->num_rows) {
            $status = true;
        } else {
            $status = false;
        }

        $method_data = array();

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

        return $method_data;
    }

    public function getOrderId($secure_token_id) {
        $result = $this->db->query("SELECT `order_id` FROM `" . DB_PREFIX . "paypal_payflow_iframe_order` WHERE `secure_token_id` = '" . $this->db->escape($secure_token_id) . "'")->row;

        if ($result) {
            $order_id = $result['order_id'];
        } else {
            $order_id = false;
        }
        
        return $order_id;
    }

    public function addOrder($order_id, $secure_token_id) {
        $this->db->query("INSERT INTO `" . DB_PREFIX . "paypal_payflow_iframe_order` SET `order_id` = '" . (int) $order_id . "', `secure_token_id` = '" . $this->db->escape($secure_token_id) . "'");
    }
    
    public function updateOrder($data) {
        $this->db->query("
            UPDATE `" . DB_PREFIX . "paypal_payflow_iframe_order`
            SET `transaction_reference` = '" . $this->db->escape($data['transaction_reference']) . "',
                `transaction_type` = '" . $this->db->escape($data['transaction_type']) . "',
                `complete` = " . (int) $data['complete'] ."
            WHERE `secure_token_id` = '" . $this->db->escape($data['secure_token_id']) . "'
        ");
    }
    
    public function call($data) {
        $default_parameters = array(
            'USER' => $this->config->get('pp_payflow_iframe_user'),
            'VENDOR' => $this->config->get('pp_payflow_iframe_vendor'),
            'PWD' => $this->config->get('pp_payflow_iframe_password'),
            'PARTNER' => $this->config->get('pp_payflow_iframe_partner'),
            'BUTTONSOURCE' => 'OpenCart_Cart_PFP',
        );

        $call_parameters = array_merge($data, $default_parameters);

        if ($this->config->get('pp_payflow_iframe_test')) {
            $url = 'https://pilot-payflowpro.paypal.com';
        } else {
            $url = 'https://payflowpro.paypal.com';
        }
        
        $query_params = array();
        
        foreach ($call_parameters as $key => $value) {
            $query_params[] = $key . '=' . utf8_decode($value);
        }
        
        $this->log('Call data: ' . implode('&', $query_params));
        
        $curl = curl_init($url);

        curl_setopt($curl, CURLOPT_POST, true);
        curl_setopt($curl, CURLOPT_POSTFIELDS, implode('&', $query_params));
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($curl, CURLOPT_HEADER, false);
        curl_setopt($curl, CURLOPT_TIMEOUT, 30);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);

        $response = curl_exec($curl);
        
        $this->log('Response data: ' . $response);
        
        $response_params = array();
        parse_str($response, $response_params);
        
        return $response_params;
    }
    
    public function addTransaction($data) {
        $this->db->query("
            INSERT INTO " . DB_PREFIX . "paypal_payflow_iframe_order_transaction
            SET order_id = " . (int) $data['order_id'] . ",
                transaction_reference = '" . $this->db->escape($data['transaction_reference']) . "',
                transaction_type = '" . $this->db->escape($data['type']) . "',
                `time` = NOW(),
                `amount` = '" . $this->db->escape($data['amount']) .  "'
        ");
    }

    public function log($message) {
        if ($this->config->get('pp_payflow_iframe_debug')) {
            $log = new Log('payflow-iframe.log');
            $log->write($message);
        }
    }

}
?>