<?php
declare(strict_types=1);

namespace Esun\FreeGift\Plugin\CustomerData;

use Esun\FreeGift\Model\Config;
use Esun\FreeGift\Model\GiftItem;
use Magento\Checkout\CustomerData\Cart;
use Magento\Checkout\Model\Session as CheckoutSession;

class CartPlugin
{
    public function __construct(
        private readonly CheckoutSession $checkoutSession,
        private readonly Config $config
    ) {
    }

    public function afterGetSectionData(Cart $subject, array $result): array
    {
        $giftItemIds = [];

        $quote = $this->checkoutSession->getQuote();
        $storeId = (int)$quote->getStoreId();

        foreach ($quote->getAllVisibleItems() as $quoteItem) {
            if ((bool)$quoteItem->getData(GiftItem::FLAG)
                || $this->config->isGiftSku((string)$quoteItem->getSku(), $storeId)
            ) {
                $giftItemIds[(int)$quoteItem->getId()] = true;
            }
        }

        if (!isset($result['items']) || !is_array($result['items'])) {
            return $result;
        }

        foreach ($result['items'] as &$item) {
            $isGift = (bool)($item['is_esun_free_gift'] ?? false)
                || isset($giftItemIds[(int)($item['item_id'] ?? 0)])
                || $this->config->isGiftSku((string)($item['product_sku'] ?? ''), $storeId);
            $item['is_esun_free_gift'] = $isGift;

            if ($isGift) {
                $item['line_total'] = (string)__('Free');
                $item['original_price'] = '';
                $item['product_price'] = (string)__('Free');
                $item['product_price_value'] = 0;
                $item['product_url'] = '';
                $item['product_has_url'] = false;
                $item['configure_url'] = '';
            }
        }
        unset($item);

        return $result;
    }
}