<?php
class ControllerExtensionPaymentPPPayflowIframe extends Controller {

    public function index() {
        $this->load->model('checkout/order');
        $this->load->model('extension/payment/pp_payflow_iframe');
        $this->load->model('localisation/country');
        $this->load->model('localisation/zone');

        $order_info = $this->model_checkout_order->getOrder($this->session->data['order_id']);

        if ($this->config->get('pp_payflow_iframe_test')) {
            $mode = 'TEST';
        } else {
            $mode = 'LIVE';
        }

        $payflow_url = 'https://payflowlink.paypal.com';

        if ($this->config->get('pp_payflow_iframe_transaction_method') == 'sale') {
            $transaction_type = 'S';
        } else {
            $transaction_type = 'A';
        }

        $secure_token_id = md5($this->session->data['order_id'] . mt_rand() . microtime());

        $this->model_extension_payment_pp_payflow_iframe->addOrder($order_info['order_id'], $secure_token_id);

        $shipping_country = $this->model_localisation_country->getCountry($order_info['shipping_country_id']);
        $shipping_zone = $this->model_localisation_zone->getZone($order_info['shipping_zone_id']);

        $payment_country = $this->model_localisation_country->getCountry($order_info['payment_country_id']);
        $payment_zone = $this->model_localisation_zone->getZone($order_info['payment_zone_id']);

        $url_params = array(
            'TENDER'            => 'C',
            'TRXTYPE'           => $transaction_type,
            'AMT'               => $this->currency->format($order_info['total'], $order_info['currency_code'], false, false),
            'CURRENCY'          => $order_info['currency_code'],
            'CREATESECURETOKEN' => 'Y',
            'SECURETOKENID'     => $secure_token_id,
            'BILLTOFIRSTNAME'   => $order_info['payment_firstname'],
            'BILLTOLASTNAME'    => $order_info['payment_lastname'],
            'BILLTOSTREET'      => trim($order_info['payment_address_1'] . ' ' . $order_info['payment_address_2']),
            'BILLTOCITY'        => $order_info['payment_city'],
            'BILLTOSTATE'       => $payment_zone['code'],
            'BILLTOZIP'         => $order_info['payment_postcode'],
            'BILLTOCOUNTRY'     => $payment_country['iso_code_2'],
        );

        if ($shipping_country) {
            $url_params['SHIPTOFIRSTNAME'] = $order_info['shipping_firstname'];
            $url_params['SHIPTOLASTNAME'] = $order_info['shipping_lastname'];
            $url_params['SHIPTOSTREET'] = trim($order_info['shipping_address_1'] . ' ' . $order_info['shipping_address_2']);
            $url_params['SHIPTOCITY'] = $order_info['shipping_city'];
            $url_params['SHIPTOSTATE'] = $shipping_zone['code'];
            $url_params['SHIPTOZIP'] = $order_info['shipping_postcode'];
            $url_params['SHIPTOCOUNTRY'] = $shipping_country['iso_code_2'];
        }

        $response_params = $this->model_extension_payment_pp_payflow_iframe->call($url_params);

        if (isset($response_params['SECURETOKEN'])) {
            $secure_token = $response_params['SECURETOKEN'];
        } else {
            $secure_token = '';
        }

        $iframe_params = array(
            'MODE'          => $mode,
            'SECURETOKENID' => $secure_token_id,
            'SECURETOKEN'   => $secure_token,
        );

        $data['iframe_url'] = $payflow_url . '?' . http_build_query($iframe_params, '', "&");
        $data['checkout_method'] = $this->config->get('pp_payflow_iframe_checkout_method');
        $data['button_confirm'] = $this->language->get('button_confirm');

        return $this->load->view('extension/payment/pp_payflow_iframe', $data);
    }

    public function paymentReturn() {
        $data['url'] = $this->url->link('checkout/success');

        $this->response->setOutput($this->load->view('extension/payment/pp_payflow_iframe_return', $data));
    }

    public function paymentCancel() {
        $data['url'] = $this->url->link('checkout/checkout');

        $this->response->setOutput($this->load->view('extension/payment/pp_payflow_iframe_return', $data));
    }

    public function paymentError() {
        $data['url'] = $this->url->link('checkout/checkout');

        $this->response->setOutput($this->load->view('extension/payment/pp_payflow_iframe_return', $data));
    }

    public function paymentIpn() {
        $this->load->model('extension/payment/pp_payflow_iframe');
        $this->load->model('checkout/order');

        if ($this->config->get('pp_pro_iframe_debug')) {
            $log = new Log('pp_pro_iframe.log');
            $log->write('POST: ' . print_r($this->request->post, 1));
        }

        $order_id = $this->model_extension_payment_pp_payflow_iframe->getOrderId($this->request->post['SECURETOKENID']);

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

            $url_params = array(
                'TENDER'  => 'C',
                'TRXTYPE' => 'I',
                'ORIGID'  => $this->request->post['PNREF'],
            );

            $response_params = $this->model_extension_payment_pp_payflow_iframe->call($url_params);

            if ($order_info['order_status_id'] == 0 && $response_params['RESULT'] == '0' && $this->request->post['RESULT'] == 0) {
                $this->model_checkout_order->addOrderHistory($order_id, $this->config->get('pp_payflow_iframe_order_status_id'));

                if ($this->request->post['TYPE'] == 'S') {
                    $complete = 1;
                } else {
                    $complete = 0;
                }

                $data = array(
                    'secure_token_id'       => $this->request->post['SECURETOKENID'],
                    'transaction_reference' => $this->request->post['PNREF'],
                    'transaction_type'      => $this->request->post['TYPE'],
                    'complete'              => $complete,
                );

                $this->model_extension_payment_pp_payflow_iframe->updateOrder($data);

                $data = array(
                    'order_id'              => $order_id,
                    'type'                  => $this->request->post['TYPE'],
                    'transaction_reference' => $this->request->post['PNREF'],
                    'amount'                => $this->request->post['AMT'],
                );

                $this->model_extension_payment_pp_payflow_iframe->addTransaction($data);
            }
        }

        $this->response->setOutput('Ok');
    }

}