<?php

namespace App\Service;

use Symfony\Contracts\Cache\CacheInterface;
use Symfony\Contracts\Cache\ItemInterface;
use Symfony\Contracts\HttpClient\Exception\ExceptionInterface;
use Symfony\Contracts\HttpClient\HttpClientInterface;

class CmsDataProvider
{
    public function __construct(
        private readonly HttpClientInterface $httpClient,
        private readonly CacheInterface $cache,
        private readonly string $apiKey,
    ) {
    }

    /**
     * Fetches only the hotel images from the CMS.
     *
     * @return array<string, mixed>|null The images array or null if unavailable
     */
    public function getProductImages(string $productCode, ?string $hotelCode = null): ?array
    {
        $result = $this->getProductDetails($productCode, $hotelCode);

        if (true === isset($result['success']) && false === $result['success']) {
            return null;
        }

        return $result['hotel']['images'] ?? null;
    }

    /**
     * @return array<string, mixed>|null
     */
    public function getHotelImages(string $hotelCode): ?array
    {
        $result = $this->getHotelDetails($hotelCode);

        if (true === isset($result['success']) && false === $result['success']) {
            return null;
        }

        return $result['images'] ?? null;
    }

    /** @return array<string, mixed> */
    public function getHotelDetails(string $hotelCode): array
    {
        return $this->cache->get(
            sprintf('cms_hotel_%s', $hotelCode),
            function (ItemInterface $item) use ($hotelCode): array {
                $item->expiresAfter(3600);

                try {
                    $request = $this->httpClient->request('GET', 'api/hotel', [
                        'query' => [
                            'hotel' => $hotelCode,
                            'key' => $this->apiKey,
                        ],
                    ]);
                } catch (ExceptionInterface $e) {
                    $item->expiresAfter(0);

                    return [
                        'success' => false,
                        'message' => $e->getMessage(),
                    ];
                }

                try {
                    $data = $request->toArray();
                } catch (ExceptionInterface $e) {
                    $item->expiresAfter(0);

                    return [
                        'success' => false,
                        'message' => $e->getMessage(),
                    ];
                }

                return $data;
            }
        );
    }

    /** @return array<string, mixed> */
    public function getProductDetails(string $productCode, ?string $hotelCode = null): array
    {
        return $this->cache->get(
            sprintf('cms_product_%s_%s', $productCode, $hotelCode ?? ''),
            function (ItemInterface $item) use ($productCode, $hotelCode): array {
                $item->expiresAfter(3600);

                try {
                    $request = $this->httpClient->request('GET', 'api/product', [
                        'query' => [
                            'product' => $productCode,
                            'hotel' => $hotelCode,
                            'key' => $this->apiKey,
                        ],
                    ]);
                } catch (ExceptionInterface $e) {
                    $item->expiresAfter(0);

                    return [
                        'success' => false,
                        'message' => $e->getMessage(),
                    ];
                }

                try {
                    $data = $request->toArray();
                } catch (ExceptionInterface $e) {
                    $item->expiresAfter(0);

                    return [
                        'success' => false,
                        'message' => $e->getMessage(),
                    ];
                }

                return $data;
            }
        );
    }
}