<?php

declare(strict_types=1);

namespace Evomedien\Vitec\View;

use TYPO3\CMS\Extbase\Mvc\View\AbstractView;

/**
 * JSON View for Headless API
 */
class ProductListJsonView extends AbstractView
{
    public function render(): string
    {
        $products = $this->variables['products'] ?? [];
        $productsData = [];

        foreach ($products as $product) {
            $categories = [];
            if ($product->getCategories()) {
                foreach ($product->getCategories() as $category) {
                    $categories[] = [
                        'uid' => $category->getUid(),
                        'title' => $category->getTitle(),
                    ];
                }
            }

            $image = null;
            if ($product->getProductimage() && $product->getProductimage()->count() > 0) {
                $imageObject = $product->getProductimage()->current();
                $image = [
                    'uid' => $imageObject->getUid(),
                    'url' => $imageObject->getOriginalResource()->getPublicUrl(),
                    'title' => $imageObject->getTitle(),
                    'alternative' => $imageObject->getAlternative(),
                    'description' => $imageObject->getDescription(),
                ];
            }

            $productsData[] = [
                'uid' => $product->getUid(),
                'title' => $product->getTitle(),
                'subtitle' => $product->getSubtitle(),
                'teaser' => $product->getTeaser(),
                'description' => $product->getDescription(),
                'slug' => $product->getSlug(),
                'categories' => $categories,
                'image' => $image,
            ];
        }

        return json_encode([
            'products' => $productsData,
        ], JSON_THROW_ON_ERROR);
    }
}