<?php

declare(strict_types=1);

namespace Evomedien\Vitec\DataProcessing;

use Evomedien\Vitec\Domain\Repository\ProductRepository;
use TYPO3\CMS\Core\Service\FlexFormService;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer;
use TYPO3\CMS\Frontend\ContentObject\DataProcessorInterface;

/**
 * Simple and direct data processor for vitec_productlist
 */
class VitecProductProcessor implements DataProcessorInterface
{
    public function __construct(
        protected readonly ProductRepository $productRepository,
        protected readonly FlexFormService $flexFormService
    ) {
    }

    public function process(
        ContentObjectRenderer $cObj,
        array $contentObjectConfiguration,
        array $processorConfiguration,
        array $processedData
    ): array {
        // Only process vitec_productlist
        if (($processedData['data']['list_type'] ?? '') !== 'vitec_productlist') {
            return $processedData;
        }
        
        // Get FlexForm settings
        $flexFormData = $this->flexFormService->convertFlexFormContentToArray(
            $processedData['data']['pi_flexform'] ?? ''
        );

        $settings = $flexFormData['settings'] ?? [];
        
        // Extract category UIDs
        $categoryUids = array_filter(
            array_map('intval', explode(',', (string)($settings['categories'] ?? '')))
        );

        // Get products
        $products = $this->productRepository->findFilteredProducts($categoryUids);

        // Serialize products
        $productsData = [];
        foreach ($products as $product) {
            $productsData[] = [
                'uid' => $product->getUid(),
                'title' => $product->getTitle(),
                'slug' => $product->getSlug(),
            ];
        }

        // Add to processedData at content level
        if (!isset($processedData['content'])) {
            $processedData['content'] = [];
        }
        $processedData['content']['products'] = $productsData;

        return $processedData;
    }
}