<?php
/************************************************************************
 *
 * Copyright 2024 Adobe
 * All Rights Reserved.
 *
 * NOTICE: All information contained herein is, and remains
 * the property of Adobe and its suppliers, if any. The intellectual
 * and technical concepts contained herein are proprietary to Adobe
 * and its suppliers and are protected by all applicable intellectual
 * property laws, including trade secret and copyright laws.
 * Dissemination of this information or reproduction of this material
 * is strictly forbidden unless prior written permission is obtained
 * from Adobe.
 * ************************************************************************
 */
declare(strict_types=1);

namespace Magento\PaymentServicesPaypal\Controller\SmartButtons;

use Magento\Checkout\Model\Cart;
use Magento\Checkout\Model\Session;
use Magento\Framework\App\Action\Context;
use Magento\Framework\App\Config\ScopeConfigInterface;
use Magento\Framework\Data\Form\FormKey\Validator;
use Magento\PaymentServicesPaypal\Model\SmartButtons\Checkout;
use Magento\Quote\Api\CartRepositoryInterface;
use Magento\SalesRule\Model\CouponFactory;
use Magento\Store\Model\StoreManagerInterface;

/**
 * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
 */
class CouponPost extends \Magento\Checkout\Controller\Cart\CouponPost
{
    /**
     * @var Checkout
     */
    private $checkout;

    /**
     * @param Context $context
     * @param ScopeConfigInterface $scopeConfig
     * @param Session $checkoutSession
     * @param StoreManagerInterface $storeManager
     * @param Validator $formKeyValidator
     * @param Cart $cart
     * @param Checkout $checkout
     * @param CouponFactory $couponFactory
     * @param CartRepositoryInterface $quoteRepository
     */
    public function __construct(
        Context $context,
        ScopeConfigInterface $scopeConfig,
        Session $checkoutSession,
        StoreManagerInterface $storeManager,
        Validator $formKeyValidator,
        Cart $cart,
        Checkout $checkout,
        CouponFactory $couponFactory,
        CartRepositoryInterface $quoteRepository
    ) {
        parent::__construct(
            $context,
            $scopeConfig,
            $checkoutSession,
            $storeManager,
            $formKeyValidator,
            $cart,
            $couponFactory,
            $quoteRepository
        );

        $this->checkout = $checkout;
    }

    /**
     * Initialize coupon
     *
     * @return \Magento\Framework\Controller\Result\Redirect
     * @SuppressWarnings(PHPMD.CyclomaticComplexity)
     * @SuppressWarnings(PHPMD.NPathComplexity)
     * @SuppressWarnings(PHPMD.DuplicatedCode)
     */
    public function execute()
    {
        $couponCode = $this->getRequest()->getParam('remove') == 1
            ? ''
            : trim($this->getRequest()->getParam('coupon_code', ''));

        // Use checkout quote so coupon code works from product page as well
        $quote = $this->checkout->getQuote();

        $oldCouponCode = $quote->getCouponCode() ?? '';

        $codeLength = strlen($couponCode);
        if (!$codeLength && !strlen($oldCouponCode)) {
            return $this->_goBack();
        }

        try {
            $isCodeLengthValid = $codeLength && $codeLength <= \Magento\Checkout\Helper\Cart::COUPON_CODE_MAX_LENGTH;

            $itemsCount = $quote->getItemsCount();
            if ($itemsCount) {
                $quote->getShippingAddress()->setCollectShippingRates(true);
                $quote->setCouponCode($isCodeLengthValid ? $couponCode : '')->collectTotals();
                $this->quoteRepository->save($quote);
            }

            if ($codeLength) {
                $escaper = $this->_objectManager->get(\Magento\Framework\Escaper::class);
                $coupon = $this->couponFactory->create();
                $coupon->load($couponCode, 'code');
                if (!$itemsCount) {
                    if ($isCodeLengthValid && $coupon->getId()) {
                        $this->_checkoutSession->getQuote()->setCouponCode($couponCode)->save();
                        $this->messageManager->addSuccessMessage(
                            __(
                                'You used coupon code "%1".',
                                $escaper->escapeHtml($couponCode)
                            )
                        );
                    } else {
                        $this->messageManager->addErrorMessage(
                            __(
                                'The coupon code "%1" is not valid.',
                                $escaper->escapeHtml($couponCode)
                            )
                        );
                    }
                } else {
                    if ($isCodeLengthValid && $coupon->getId() && $couponCode == $quote->getCouponCode()) {
                        $this->messageManager->addSuccessMessage(
                            __(
                                'You used coupon code "%1".',
                                $escaper->escapeHtml($couponCode)
                            )
                        );
                    } else {
                        $this->messageManager->addErrorMessage(
                            __(
                                'The coupon code "%1" is not valid.',
                                $escaper->escapeHtml($couponCode)
                            )
                        );
                    }
                }
            } else {
                $this->messageManager->addSuccessMessage(__('You canceled the coupon code.'));
            }
        } catch (\Magento\Framework\Exception\LocalizedException $e) {
            $this->messageManager->addErrorMessage($e->getMessage());
        } catch (\Exception $e) {
            $this->messageManager->addErrorMessage(__('We cannot apply the coupon code.'));
            $this->_objectManager->get(\Psr\Log\LoggerInterface::class)->critical($e);
        }

        return $this->_goBack();
    }
}