<?php

/**
 * Radio App.
 *
 * @author Jonas Heinrich
 * @copyright 2021 Jonas Heinrich <onny@project-insanity.org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
 *
 * You should have received a copy of the GNU Affero General Public
 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 */

declare(strict_types=1);

namespace OCA\Radio\Search;

use OCA\Radio\AppInfo\Application;
use OCP\Http\Client\IClientService;
use OCP\IURLGenerator;
use OCP\IUser;
use OCP\Search\IProvider;
use OCP\Search\ISearchQuery;
use OCP\Search\SearchResult;
use OCP\Search\SearchResultEntry;
use Psr\Log\LoggerInterface;

class SearchProvider implements IProvider
{
	public function __construct(
		private readonly IClientService $clientService,
		private readonly IURLGenerator $url,
		private readonly LoggerInterface $logger,
	) {}

	public function getId(): string {
		return Application::APP_ID;
	}

	public function getName(): string {
		return 'Radio';
	}

	public function getOrder(string $route, array $routeParameters): int {
		if (str_starts_with($route, 'files.')) {
			return 25;
		}

		if (str_starts_with($route, Application::APP_ID.'.')) {
			return -1;
		}

		return 4;
	}

	public function search(IUser $user, ISearchQuery $query): SearchResult {
		$term = $query->getTerm();
		$url = 'https://de1.api.radio-browser.info/json/stations/byname/'.$term.'?limit=20';

		$client = $this->clientService->newClient();

		try {
			$response = $client->get($url);
		} catch (\Exception $exception) {
			$this->logger->error('Could not search for radio stations: '.$exception->getMessage());

			throw $exception;
		}

		$body = (string) $response->getBody();

		/** @var array<array<string, string>> $parsed */
		$parsed = json_decode($body, true);

		$result = array_map(fn (array $result): SearchResultEntry => new SearchResultEntry(
			$result['favicon'],
			$result['name'],
			str_replace(',', ', ', $result['tags']),
			$this->url->linkToRouteAbsolute('radio.page.index').'#/search/'.$term,
			'icon-radio-trans'
		), $parsed);

		return SearchResult::complete(
			$this->getName(),
			$result
		);
	}
}