<?php
/**
 * This file is part of The Official Amazon Payments Magento Extension
 * (c) creativestyle GmbH <amazon@creativestyle.de>
 * All rights reserved
 *
 * Reuse or modification of this source code is not allowed
 * without written permission from creativestyle GmbH
 *
 * @category   Creativestyle
 * @package    Creativestyle_CheckoutByAmazon
 * @copyright  Copyright (c) 2012 creativestyle GmbH (http://www.creativestyle.de)
 * @author     Marek Zabrowarny / creativestyle GmbH <support@creativestyle.de>
 */

class Creativestyle_CheckoutByAmazon_ProcessController extends Mage_Core_Controller_Front_Action {

    protected function _getOrderId($amazonOrderId) {
        $paymentCollection = Mage::getModel('sales/order_payment')->getCollection()
                ->addAttributeToFilter('last_trans_id', $amazonOrderId)
                ->load();
        if ($paymentCollection->count()) {
            $payment = $paymentCollection->getFirstItem();
            if ($payment->getParentId()) {
                $order = Mage::getModel('sales/order')->load($payment->getParentId());
                return $order->getId();
            }
        }
        return null;
    }

    protected function _getAmazonManager() {
        return Mage::getSingleton('checkoutbyamazon/manager');
    }

    protected function _getIopnRequestParams() {
        return array(
            'UUID' => $this->getRequest()->getPost('UUID', null),
            'Timestamp' => $this->getRequest()->getPost('Timestamp', null),
            'AWSAccessKeyId' => $this->getRequest()->getPost('AWSAccessKeyId', null),
            'Signature' => $this->getRequest()->getPost('Signature', null),
            'NotificationData' => $this->getRequest()->getPost('NotificationData', null)
        );
    }

    protected function _sendResponse($code = 500, $message = null) {
        $response = $this->getResponse();
        switch ($code) {
            case 200:
                $responseCode = '200 OK';
                break;
            case 403:
                $responseCode = '403 Forbidden';
                break;
            case 404:
                $responseCode = '404 Not Found';
                break;
            default:
                $responseCode = '500 Internal Server Error';
                break;
        }
        $response->setHeader('HTTP/1.1', $responseCode);
        if ($message) $response->setBody($message);
        $response->sendResponse();
    }

    public function iopnAction() {
        if (Mage::helper('checkoutbyamazon')->getConfigData('iopn_active')) {
            $notificationType = $this->getRequest()->getPost('NotificationType', null);
            try {
                $params = $this->_getIopnRequestParams();
                switch ($notificationType) {
                    case 'NewOrderNotification':
                        $result = Mage::getModel('checkoutbyamazon/api_iopn')->newOrderNotification($params);
                        if (isset($result['code']) && ($result['code'] == 200)) {
                            $order = $result['order'];
                            $this->_getAmazonManager()->newOrder($order);
                            $amazonOrderId = $order->issetAmazonOrderID() ? $order->getAmazonOrderID() : null;
                            Creativestyle_CheckoutByAmazon_Model_Logger::logIopn(
                                $notificationType,
                                isset($params['UUID']) ? $params['UUID'] : '',
                                $amazonOrderId ? $this->_getOrderId($amazonOrderId) : null,
                                isset($params['NotificationData']) ? $params['NotificationData'] : '',
                                200
                            );
                            return $this->_sendResponse(200);
                        } else {
                            Mage::helper('checkoutbyamazon')->throwException((isset($result['message']) ? $result['message'] : 'Internal error'), (isset($result['code']) ? $result['code'] : 500), array('area' => 'Amazon IOPN'));
                        }
                        break;

                    case 'OrderCancelledNotification':
                        $result = Mage::getModel('checkoutbyamazon/api_iopn')->orderCancelledNotification($params);
                        if (isset($result['code']) && ($result['code'] == 200)) {
                            $order = $result['order'];
                            $this->_getAmazonManager()->cancelOrder($order);
                            $amazonOrderId = $order->issetAmazonOrderID() ? $order->getAmazonOrderID() : null;
                            Creativestyle_CheckoutByAmazon_Model_Logger::logIopn(
                                $notificationType,
                                isset($params['UUID']) ? $params['UUID'] : '',
                                $amazonOrderId ? $this->_getOrderId($amazonOrderId) : null,
                                isset($params['NotificationData']) ? $params['NotificationData'] : '',
                                200
                            );
                            return $this->_sendResponse(200);
                        } else {
                            Mage::helper('checkoutbyamazon')->throwException(isset($result['message']) ? $result['message'] : 'Internal error', isset($result['code']) ? $result['code'] : 500, array('area' => 'Amazon IOPN'));
                        }
                        break;

                    case 'OrderReadyToShipNotification':
                        $result = Mage::getModel('checkoutbyamazon/api_iopn')->orderReadyToShipNotification($params);
                        if (isset($result['code']) && ($result['code'] == 200)) {
                            $order = $result['order'];
                            $this->_getAmazonManager()->readyToShipOrder($order);
                            $amazonOrderId = $order->issetAmazonOrderID() ? $order->getAmazonOrderID() : null;
                            Creativestyle_CheckoutByAmazon_Model_Logger::logIopn(
                                $notificationType,
                                isset($params['UUID']) ? $params['UUID'] : '',
                                $amazonOrderId ? $this->_getOrderId($amazonOrderId) : null,
                                isset($params['NotificationData']) ? $params['NotificationData'] : '',
                                200
                            );
                            return $this->_sendResponse(200);
                        } else {
                            Mage::helper('checkoutbyamazon')->throwException(isset($result['message']) ? $result['message'] : 'Internal error', isset($result['code']) ? $result['code'] : 500, array('area' => 'Amazon IOPN'));
                        }
                        break;

                    default:
                        $this->norouteAction();
                        return;
                }
            } catch (Exception $e) {
                $amazonOrderId = null;
                if (isset($result['order']) && is_object($result['order'])) {
                    $order = $result['order'];
                    $amazonOrderId = $order->issetAmazonOrderID() ? $order->getAmazonOrderID() : null;
                }
                Creativestyle_CheckoutByAmazon_Model_Logger::logIopn(
                    $notificationType,
                    isset($params['UUID']) ? $params['UUID'] : '',
                    $amazonOrderId ? $this->_getOrderId($amazonOrderId) : null,
                    isset($params['NotificationData']) ? $params['NotificationData'] : '',
                    $e->getCode()
                );
                if (!($e instanceof Creativestyle_CheckoutByAmazon_Exception)) {
                    Creativestyle_CheckoutByAmazon_Model_Logger::logException(
                        $e->getMessage(),
                        $e->getCode(),
                        $e->getTraceAsString(),
                        'Amazon IOPN',
                        isset($params['UUID']) ? $params['UUID'] : '',
                        isset($result['order']) ? $this->_getOrderId($result['order']) : null
                    );                    
                }
                $this->_sendResponse($e->getCode(), $e->getMessage());
            }
        } else {
            $this->norouteAction();
            return;
        }

    }

    public function clearAction() {
        Creativestyle_CheckoutByAmazon_Model_Abstract::setConfigData('last_report_processing', null);
        Creativestyle_CheckoutByAmazon_Model_Abstract::setConfigData('last_order_processing', null);
        die();
    }

}