<?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 OCA\RePod\Service\UserService;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http\JSONResponse;
use OCP\Http\Client\IClientService;
use OCP\IRequest;

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

	public function index(string $uri): JSONResponse
	{
		$podcastData = $this->podcastDataReader->getCachedOrFetchPodcastData($uri, $this->userService->getUserUID());

		if ($podcastData) {
			return new JSONResponse($podcastData->toArray());
		}

		$client = $this->clientService->newClient();
		$feed = $client->get($uri);
		$statusCode = $feed->getStatusCode();

		if ($statusCode < 200 || $statusCode >= 300) {
			throw new \ErrorException("Web request returned non-2xx status code: {$statusCode}");
		}

		$podcastData = PodcastData::parseRssXml((string) $feed->getBody());

		return new JSONResponse($podcastData->toArray());
	}
}