<?php

declare(strict_types=1);

namespace OCA\RePod\Controller;

use OCA\GPodderSync\Core\PodcastData\PodcastData;
use OCA\GPodderSync\Core\PodcastData\PodcastDataReader;
use OCA\RePod\AppInfo\Application;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http\JSONResponse;
use OCP\Http\Client\IClientService;
use OCP\ICacheFactory;
use OCP\IRequest;

class PodcastController extends Controller
{
	public function __construct(
		IRequest $request,
		private ICacheFactory $cacheFactory,
		private IClientService $clientService,
		private PodcastDataReader $podcastDataReader
	) {
		parent::__construct(Application::APP_ID, $request);
	}

	/**
	 * @NoAdminRequired
	 * @NoCSRFRequired
	 */
	public function index(string $url): JSONResponse {
		$podcast = null;

		if ($this->cacheFactory->isLocalCacheAvailable()) {
			try {
				$podcast = $this->podcastDataReader->tryGetCachedPodcastData($url);
			} catch (\Exception $e) {
			}
		}

		if ($podcast) {
			return new JSONResponse($podcast);
		}

		$client = $this->clientService->newClient();
		$feed = $client->get($url);
		$podcast = PodcastData::parseRssXml((string) $feed->getBody());

		if ($this->cacheFactory->isLocalCacheAvailable()) {
			try {
				$this->podcastDataReader->trySetCachedPodcastData($url, $podcast);
			} catch (\Exception $e) {
			}
		}

		return new JSONResponse($podcast, $feed->getStatusCode());
	}
}