<?php
/*************************************************************************************/
/*                                                                                   */
/*      Thelia	                                                                     */
/*                                                                                   */
/*      Copyright (c) OpenStudio                                                     */
/*      email : info@thelia.net                                                      */
/*      web : http://www.thelia.net                                                  */
/*                                                                                   */
/*      This program is free software; you can redistribute it and/or modify         */
/*      it under the terms of the GNU General Public License as published by         */
/*      the Free Software Foundation; either version 3 of the License                */
/*                                                                                   */
/*      This program is distributed in the hope that it will be useful,              */
/*      but WITHOUT ANY WARRANTY; without even the implied warranty of               */
/*      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                */
/*      GNU General Public License for more details.                                 */
/*                                                                                   */
/*      You should have received a copy of the GNU General Public License            */
/*	    along with this program. If not, see <http://www.gnu.org/licenses/>.         */
/*                                                                                   */
/*************************************************************************************/

namespace Thelia\Module;

use Symfony\Component\Routing\Router;
use Thelia\Controller\Front\BaseFrontController;
use Thelia\Core\Event\Order\OrderEvent;
use Thelia\Core\Event\TheliaEvents;
use Thelia\Core\HttpFoundation\Response;
use Thelia\Log\Tlog;
use Thelia\Model\OrderQuery;
use Thelia\Model\OrderStatus;
use Thelia\Model\OrderStatusQuery;

/**
 * This class implement the minimum
 *
 * @package Paypal\Controller
 * @author Thelia <info@thelia.net>
 */
abstract class BasePaymentModuleController extends BaseFrontController
{
    protected $log = null;

    /**
     * Return a module identifier used to calculate the name of the log file,
     * and in the log messages.
     *
     * @return string the module code
     */
    protected abstract function getModuleCode();

    /**
     * Initialize a module-specific logger.
     *
     * @return Tlog a Tlog instance
     */
    protected function getLog() {

        if ($this->log == null) {
            $this->log = Tlog::getNewInstance();

            $logFilePath = sprintf(THELIA_ROOT."log".DS."%s.log", strtolower($this->getModuleCode()));

            $this->log->setPrefix("#LEVEL: #DATE #HOUR: ");
            $this->log->setDestinations("\\Thelia\\Log\\Destination\\TlogDestinationFile");
            $this->log->setConfig("\\Thelia\\Log\\Destination\\TlogDestinationFile", 0, $logFilePath);
        }

        return $this->log;
    }

    /**
     * Process the confirmation of an order. This method should be  called
     * once the module has performed the required checks to confirm a valid payment.
     *
     * @param int $order_id the order ID
     */
    public function confirmPayment($order_id)
    {
        try {
            $order_id = intval($order_id);

            if (null !== $order = $this->getOrder($order_id)) {

                $this->getLog()->addInfo(
                    $this->getTranslator()->trans("Processing confirmation of order ref. %ref, ID %id",
                    array('%ref' => $order->getRef(), '%id' => $order->getId()))
                );

                $event = new OrderEvent($order);

                $event->setStatus(OrderStatusQuery::getPaidStatus()->getId());

                $this->dispatch(TheliaEvents::ORDER_UPDATE_STATUS, $event);

                $this->getLog()->addInfo(
                    $this->getTranslator()->trans("Order ref. %ref, ID %id has been successfully paid.",
                        array('%ref' => $order->getRef(), '%id' => $order->getId()))
                );
            }
        }
        catch (\Exception $ex) {
            $this->getLog()->addError(
                $this->getTranslator()->trans("Error occured while processing order ref. %ref, ID %id: %err",
                    array(
                        '%err' => $ex->getMessage(),
                        '%ref' => ! isset($order) ? "?" : $order->getRef(),
                        '%id' => ! isset($order) ? "?" : $order->getId()
                    )
                )
            );

            throw $ex;
        }
    }

    /**
     * Process the cancelation of a payment on the payment gateway. The order will go back to the
     * "not paid" status.
     *
     * @param int $order_id the order ID
     */
    public function cancelPayment($order_id)
    {
        $order_id = intval($order_id);

        if (null !== $order = $this->getOrder($order_id)) {
            $this->getLog()->addInfo(
                $this->getTranslator()->trans("Processing cancelation of payment for order ref. %ref",
                    array('%ref' => $order->getRef()))
            );

            $event = new OrderEvent($order);

            $event->setStatus(OrderStatus::CODE_NOT_PAID);

            $this->getLog()->addInfo(
                $this->getTranslator()->trans("Order ref. %ref is now unpaid.",
                    array('%ref' => $order->getRef()))
            );

            $this->dispatch(TheliaEvents::ORDER_UPDATE_STATUS, $event);
        }
    }

    /**
     * Get an order and issue a log message if not found.
     * @param $order_id
     * @return null|\Thelia\Model\Order
     */
    protected function getOrder($order_id)
    {
        if (null == $order = OrderQuery::create()->findPk($order_id)) {
            $this->getLog()->addError($this->getTranslator()->trans("Unknown order ID:  %id", array('%id' => $order_id)));
        }

        return $order;
    }
    /**
     * Redirect the customer to the successful payment page.
     *
     * @param int $order_id the order ID
     */
    public function redirectToSuccessPage($order_id) {

        $this->getLog()->addInfo("Redirecting customer to payment success page");

        $this->redirectToRoute(
            'order.placed',
            array(
                'order_id' => $order_id
            ),
            Router::ABSOLUTE_PATH
        );
    }

    /**
     * Redirect the customer to the failure payment page. if $message is null, a generic message is displayed.
     *
     * @param int $order_id the order ID
     * @param string|null $message an error message.
     */
    public function redirectToFailurePage($order_id, $message = null) {

        $this->getLog()->addInfo("Redirecting customer to payment failure page");

        $this->redirectToRoute(
            'order.failed',
            array(
                'order_id' => $order_id,
                'message' => $message
            ),
            Router::ABSOLUTE_PATH
        );
    }
}