<?php

declare(strict_types=1);

namespace Esun\InteractiveCards\Controller\Product;

use Magento\Catalog\Api\ProductRepositoryInterface;
use Magento\Catalog\Helper\ImageFactory;
use Magento\Checkout\Helper\Cart;
use Magento\Framework\App\Action\HttpGetActionInterface;
use Magento\Framework\App\RequestInterface;
use Magento\Framework\Controller\Result\JsonFactory;
use Magento\Framework\Pricing\PriceCurrencyInterface;
use Magento\Store\Model\StoreManagerInterface;

/**
 * Returns the storefront product data used by an expanded interactive card.
 */
class View implements HttpGetActionInterface
{
    /**
     * @param JsonFactory $jsonFactory
     * @param RequestInterface $request
     * @param ProductRepositoryInterface $productRepository
     * @param StoreManagerInterface $storeManager
     * @param ImageFactory $imageFactory
     * @param PriceCurrencyInterface $priceCurrency
     * @param Cart $cartHelper
     */
    public function __construct(
        private readonly JsonFactory $jsonFactory,
        private readonly RequestInterface $request,
        private readonly ProductRepositoryInterface $productRepository,
        private readonly StoreManagerInterface $storeManager,
        private readonly ImageFactory $imageFactory,
        private readonly PriceCurrencyInterface $priceCurrency,
        private readonly Cart $cartHelper
    ) {
    }

    /**
     * Return product card data for the requested SKU.
     *
     * @return \Magento\Framework\Controller\Result\Json
     */
    public function execute()
    {
        $result = $this->jsonFactory->create();
        $sku = trim((string)$this->request->getParam('sku'));

        if ($sku === '') {
            return $result->setHttpResponseCode(400)->setData([
                'success' => false,
                'message' => __('A product SKU is required.')
            ]);
        }

        try {
            $storeId = (int)$this->storeManager->getStore()->getId();
            $product = $this->productRepository->get($sku, false, $storeId, true);
            $image = $this->imageFactory->create()
                ->init($product, 'category_page_grid')
                ->getUrl();
            $regularPrice = (float)$product->getPrice();
            $finalPrice = (float)$product->getFinalPrice();
            $hasRequiredOptions = $product->getTypeInstance()->hasRequiredOptions($product);

            return $result->setData([
                'success' => true,
                'product' => [
                    'id' => (int)$product->getId(),
                    'sku' => $product->getSku(),
                    'name' => $product->getName(),
                    'image' => $image,
                    'url' => $product->getProductUrl(),
                    'price' => $this->priceCurrency->format($finalPrice, false),
                    'old_price' => $regularPrice > $finalPrice
                        ? $this->priceCurrency->format($regularPrice, false)
                        : null,
                    'add_url' => $this->cartHelper->getAddUrl($product),
                    'can_add_to_cart' => $product->isSaleable() && !$hasRequiredOptions
                ]
            ]);
        } catch (\Throwable $exception) {
            return $result->setHttpResponseCode(404)->setData([
                'success' => false,
                'message' => __('The product could not be loaded.')
            ]);
        }
    }
}