<?php

use Imoje\Payment\Util;

/**
 * Class IMojeNotificationModuleFrontController
 *
 * @property bool display_column_left
 * @property bool display_column_right
 * @property bool display_footer
 * @property bool display_header
 */
class IMojeNotificationModuleFrontController extends ModuleFrontController
{

    /**
     * Initialize controller.
     *
     * @see FrontController::init()
     */
    public function init()
    {
        $this->display_column_left = false;
        $this->display_column_right = false;
        $this->display_footer = false;
        $this->display_header = false;
        parent::init();
    }

    /**
     * Verify signature, json, create signature and change status if its okay
     *
     * @throws PrestaShopException
     * @throws Exception
     */
    public function process()
    {

        include_once(_PS_MODULE_DIR_ . 'imoje/libraries/payment-core/vendor/autoload.php');

        $resultCheckRequestNotification = Util::checkRequestNotification(Configuration::get('IMOJE_SERVICE_KEY'), Configuration::get('IMOJE_SERVICE_ID'));
        $isDebugMode = Configuration::get('IMOJE_DEBUG_MODE');

        $createOrderArrangement = Configuration::get('IMOJE_CREATE_ORDER_ARRANGEMENT');

        if (is_int($resultCheckRequestNotification)) {
            echo Util::notificationResponse(Util::NS_ERROR, $resultCheckRequestNotification, $isDebugMode, null, null, $createOrderArrangement);
            exit();
        }

        $orderId = $resultCheckRequestNotification['transaction']['orderId'];

        // 0 - after checkout, 1 - after ipn
        if (!$createOrderArrangement) {

            $order = new Order($orderId);

            $orderId = $order->id;

            if (!$orderId) {
                echo Util::notificationResponse(Util::NS_ERROR, Util::NC_ORDER_NOT_FOUND, $isDebugMode, null, null, $createOrderArrangement);
                exit();
            }

            $currentOrderState = $order->current_state;

            $currencyInfo = Currency::getCurrency($order->id_currency);

            switch ($resultCheckRequestNotification['transaction']['status']) {
                case 'settled':
                    $stateToChange = _PS_OS_PAYMENT_;
                    break;
                case 'rejected':
                    $stateToChange = _PS_OS_ERROR_;
                    break;
                default:
                    echo Util::notificationResponse(Util::NS_OK, Util::NC_ORDER_STATUS_NOT_CHANGED, $isDebugMode, $currentOrderState, null, $createOrderArrangement);
                    exit();
            }

            if ($order->current_state === _PS_OS_REFUND_) {
                echo Util::notificationResponse(Util::NS_OK, Util::NC_ORDER_STATUS_NOT_CHANGED, $isDebugMode, $currentOrderState, null, $createOrderArrangement);
                exit();
            }

            if (!Util::checkRequestAmount(
                $resultCheckRequestNotification,
                Util::convertAmountToFractional(round($order->total_paid, 2)),
                $currencyInfo["iso_code"])) {

                echo Util::notificationResponse(Util::NS_ERROR, Util::NC_AMOUNT_NOT_MATCH, $isDebugMode, $currentOrderState, null, $createOrderArrangement);
                exit();
            }

            $history = new OrderHistory();
            $history->id_order = $orderId;
            $history->changeIdOrderState($stateToChange, $orderId);
            $history->add();
            $history->save();

            if (!$this->insertTransactionId($orderId, $resultCheckRequestNotification['transaction']['id'])) {

                echo Util::notificationResponse(Util::NS_ERROR, Util::NC_COULD_NOT_INSERT_TRANSACTION_ID_TO_DB, $isDebugMode, $currentOrderState, $stateToChange, $createOrderArrangement);
                exit;
            }

            echo Util::notificationResponse(Util::NS_OK, Util::NC_OK, $isDebugMode, $currentOrderState, $stateToChange, $createOrderArrangement);
            exit;
        }

        if ($resultCheckRequestNotification['transaction']['status'] !== 'settled') {
            echo Util::notificationResponse(Util::NS_OK, Util::NC_ORDER_STATUS_IS_NOT_SETTLED_ORDER_ARRANGEMENT_AFTER_IPN, $isDebugMode, null, null, $createOrderArrangement);
            exit;
        }

        $cart = new Cart($orderId);

        if (!$cart->id) {
            echo Util::notificationResponse(Util::NS_ERROR, Util::NC_CART_NOT_FOUND, $isDebugMode, null, null, $createOrderArrangement);;
            exit;
        }

        if (Order::getOrderByCartId($orderId)) {
            echo Util::notificationResponse(Util::NS_OK, Util::NC_ORDER_EXISTS_ORDER_ARRANGEMENT_AFTER_IPN, $isDebugMode, null, null, $createOrderArrangement);;
            exit;
        }

        $currencyInfo = Currency::getCurrency($cart->id_currency);

        $cartTotal = $cart->getOrderTotal();

        if (!Util::checkRequestAmount(
            $resultCheckRequestNotification,
            Util::convertAmountToFractional($cartTotal),
            $currencyInfo["iso_code"])) {

            echo Util::notificationResponse(Util::NS_ERROR, Util::NC_AMOUNT_NOT_MATCH, $isDebugMode, null, null, $createOrderArrangement);
            exit();
        }

        $customer = new Customer((int) $cart->id_customer);
        $cartId = $cart->id;

        $imoje = new iMoje();
        $imoje->validateOrder($cartId,
            _PS_OS_PAYMENT_,
            $cartTotal,
            $imoje->displayName,
            null,
            [],
            null,
            false,
            $customer->secure_key
        );

        $history = new OrderHistory();
        $history->id_order = intval($orderId);

        $order = new Order(Order::getOrderByCartId($orderId));

        if (!$this->insertTransactionId($order->id, $resultCheckRequestNotification['transaction']['id'])) {

            echo Util::notificationResponse(Util::NS_ERROR, Util::NC_COULD_NOT_INSERT_TRANSACTION_ID_TO_DB, $isDebugMode, null, _PS_OS_PAYMENT_, $createOrderArrangement);
            exit;
        }

        echo Util::notificationResponse(Util::NS_OK, Util::NC_OK, $isDebugMode, null, _PS_OS_PAYMENT_, $createOrderArrangement);
        exit();
    }

    /**
     * @param $idOrder
     * @param $idTransaction
     *
     * @return mixed
     */
    private function insertTransactionId($idOrder, $idTransaction)
    {
        return Db::getInstance()->insert('imoje_transaction_list', [
            'id_order'       => pSQL($idOrder),
            'id_transaction' => pSQL($idTransaction),
        ]);
    }
}