<?php
/**
* NOTICE OF LICENSE
*
* This source file is subject to the Academic Free License (AFL 3.0)
* that is bundled with this package in the file LICENSE.md
* It is also available through the world-wide-web at this URL:
* https://opensource.org/licenses/afl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to support@qloapps.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade this module to a newer
* versions in the future. If you wish to customize this module for your needs
* please refer to https://store.webkul.com/customisation-guidelines for more information.
*
* @author Webkul IN
* @copyright Since 2010 Webkul
* @license https://opensource.org/licenses/afl-3.0.php Academic Free License 3.0
*/

class WkPaypalCommerceWebhook
{
    const WK_PAYPAL_COMMERCE_PAYMENT_STATUS_COMPLETED = 'COMPLETED';
    const WK_PAYPAL_COMMERCE_PAYMENT_STATUS_APPROVED = 'APPROVED';
    const WK_PAYPAL_COMMERCE_PAYMENT_STATUS_PENDING = 'PENDING';
    const WK_PAYPAL_COMMERCE_PAYMENT_STATUS_DENIED = 'DENIED';
    const WK_PAYPAL_COMMERCE_EVENT_TYPE_ORDER_COMPLETED = 'CHECKOUT.ORDER.COMPLETED';

    public function capturePending($eventData)
    {
        $transaction_id = $eventData['resource']['id'];

        if (WKPayPalCommerceOrder::getTransactionDetailsByPaypalTransaction(
            $transaction_id
        )) {
            $ppOrderStatus = $eventData['resource']['status'];
            WKPayPalCommerceOrder::updateOrderCapturePaypalOrderStatus($transaction_id, $ppOrderStatus);
        }
    }

    public function captureRefunded($eventData)
    {
        $refundID = $eventData['resource']['id'];

        $id = WkPaypalCommerceRefund::getIdByPaypalRefundId($refundID);

        $refundObj = new WkPaypalCommerceRefund($id);
        $refundObj->paypal_refund_id = $refundID;
        $refundObj->refund_amount = (float)$eventData['resource']['amount']['value'];
        $refundObj->currency_code = $eventData['resource']['amount']['currency_code'];
        if (isset($eventData['resource']['note_to_payer'])) {
            $refundObj->refund_reason = $eventData['resource']['note_to_payer'];
        }
        $refundObj->response = json_encode($eventData);
        $refundObj->refund_status = $eventData['resource']['status'];
        $refundObj->save();
    }

    public function captureDenied($eventData)
    {
        $transaction_id = $eventData['resource']['id'];
        if ($transactionData = WKPayPalCommerceOrder::getTransactionDetailsByPaypalTransaction(
            $transaction_id
        )) {
            $cartID = $transactionData['id_cart'];
            // if orders found for the transaction then set the order status
            if ($orders = WkPaypalCommerceHelper::getOrdersByCartId($cartID)) {
                foreach ($orders as $order) {
                    $this->updatePaymentStatus(
                        (int)Configuration::get('PS_OS_ERROR'),
                        $order['id_order']
                    );
                }
            }

            $ppOrderStatus = $eventData['resource']['status'];
            WKPayPalCommerceOrder::updateOrderCapturePaypalOrderStatus($transaction_id, $ppOrderStatus);
        }
    }

    public function orderCompleted($eventData)
    {
        $purchaseUnits = $eventData['resource']['purchase_units'];
        $payment_status = $eventData['resource']['status'];
        foreach ($purchaseUnits as $purchase) {
            $transaction_id = $purchase['payments']['captures'][0]['id'];

            if ($transactionData = WKPayPalCommerceOrder::getTransactionDetailsByPaypalTransaction(
                $transaction_id
            )) {
                // Check if PayPal order is already finished with status COMPLETED
                if ($transactionData['pp_payment_status'] != self::WK_PAYPAL_COMMERCE_PAYMENT_STATUS_COMPLETED) {
                    // if order completed then change the status of the order
                    if ($eventData['event_type'] == self::WK_PAYPAL_COMMERCE_EVENT_TYPE_ORDER_COMPLETED) {
                        $cartID = $transactionData['id_cart'];
                        $objCart = new Cart($cartID);
                        $capturedAmount = isset($purchase['payments']['captures'][0]['amount']['value'])
                            ? (float)$purchase['payments']['captures'][0]['amount']['value']
                            : 0;
                        $fullTotal = (float)$objCart->getOrderTotal(true, Cart::BOTH);
                        $orderStatus = $capturedAmount >= $fullTotal
                            ? Configuration::get('PS_OS_PAYMENT_ACCEPTED')
                            : Configuration::get('PS_OS_PARTIAL_PAYMENT_ACCEPTED');
                        if ($orders = WkPaypalCommerceHelper::getOrdersByCartId($cartID)) {
                            foreach ($orders as $order) {
                                $this->updatePaymentStatus(
                                    (int)$orderStatus,
                                    $order['id_order']
                                );
                            }
                        }
                    }
                }

                WKPayPalCommerceOrder::updateOrderPaypalOrderStatus($transaction_id, $payment_status, $eventData['resource']);
            }
        }
    }

    public function captureCompleted($eventData)
    {
        $transaction_id = $eventData['resource']['id'];
        if ($transactionData = WKPayPalCommerceOrder::getTransactionDetailsByPaypalTransaction(
            $transaction_id
        )) {
            $cartID = $transactionData['id_cart'];
            $objCart = new Cart($cartID);
            $capturedAmount = isset($eventData['resource']['amount']['value'])
                ? (float)$eventData['resource']['amount']['value']
                : 0;
            $fullTotal = (float)$objCart->getOrderTotal(true, Cart::BOTH);
            $orderStatus = $capturedAmount >= $fullTotal
                ? Configuration::get('PS_OS_PAYMENT_ACCEPTED')
                : Configuration::get('PS_OS_PARTIAL_PAYMENT_ACCEPTED');
            if ($orders = WkPaypalCommerceHelper::getOrdersByCartId($cartID)) {
                foreach ($orders as $order) {
                    $this->updatePaymentStatus(
                        (int)$orderStatus,
                        $order['id_order']
                    );
                }
            }

            $ppOrderStatus = $eventData['resource']['status'];
            WKPayPalCommerceOrder::updateOrderCapturePaypalOrderStatus($transaction_id, $ppOrderStatus);
        }
    }

    /**
     * updatePaymentStatus
     * @param  int $id_order_state Order Status ID
     * @param  int $id_order Order ID
     * @return void
     */
    public function updatePaymentStatus($id_order_state, $id_order)
    {
        $order = new Order($id_order);
        $currentOrderState = $order->getCurrentOrderState();
        if ($currentOrderState->id != $id_order_state) {
            $useExistPayment = false;
            if (!$order->hasInvoice()) {
                $useExistPayment = true;
            }

            $orderHistory = new OrderHistory();
            $orderHistory->id_order = (int)$id_order;
            $orderHistory->changeIdOrderState(
                (int)$id_order_state,
                $order,
                $useExistPayment
            );
            $orderHistory->addWithemail(true, null);
        }
    }
}