<?php

declare(strict_types=1);

/**
 * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
 *
 * @author Christoph Wurst <christoph@winzerhof-wurst.at>
 * @author Joas Schilling <coding@schilljs.com>
 * @author John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>
 *
 * @license GNU AGPL version 3 or any later version
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program 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 program. If not, see <http://www.gnu.org/licenses/>.
 *
 */

namespace OCA\Comments\Search;

use OCP\IL10N;
use OCP\IURLGenerator;
use OCP\IUser;
use OCP\IUserManager;
use OCP\Search\IProvider;
use OCP\Search\ISearchQuery;
use OCP\Search\SearchResult;
use OCP\Search\SearchResultEntry;
use function array_map;
use function pathinfo;

class CommentsSearchProvider implements IProvider {

	/** @var IUserManager */
	private $userManager;

	/** @var IL10N */
	private $l10n;

	/** @var IURLGenerator */
	private $urlGenerator;

	/** @var LegacyProvider */
	private $legacyProvider;

	public function __construct(IUserManager $userManager,
								IL10N $l10n,
								IURLGenerator $urlGenerator,
								LegacyProvider $legacyProvider) {
		$this->userManager = $userManager;
		$this->l10n = $l10n;
		$this->urlGenerator = $urlGenerator;
		$this->legacyProvider = $legacyProvider;
	}

	/**
	 * @inheritDoc
	 */
	public function getId(): string {
		return 'comments';
	}

	/**
	 * @inheritDoc
	 */
	public function getName(): string {
		return $this->l10n->t('Comments');
	}

	/**
	 * @inheritDoc
	 */
	public function getOrder(string $route, array $routeParameters): int {
		if ($route === 'files.View.index') {
			// Files first
			return 0;
		}
		return 10;
	}

	/**
	 * @inheritDoc
	 */
	public function search(IUser $user, ISearchQuery $query): SearchResult {
		return SearchResult::complete(
			$this->l10n->t('Comments'),
			array_map(function (Result $result) {
				$path = $result->path;
				$pathInfo = pathinfo($path);
				$isUser = $this->userManager->userExists($result->authorId);
				$avatarUrl = $isUser
					? $this->urlGenerator->linkToRouteAbsolute('core.avatar.getAvatar', ['userId' => $result->authorId, 'size' => 42])
					: $this->urlGenerator->linkToRouteAbsolute('core.GuestAvatar.getAvatar', ['guestName' => $result->authorId, 'size' => 42]);
				return new SearchResultEntry(
					$avatarUrl,
					$result->name,
					$path,
					$this->urlGenerator->linkToRouteAbsolute('files.view.index',[
						'dir' => $pathInfo['dirname'],
						'scrollto' => $pathInfo['basename'],
					]),
					'',
					true
				);
			}, $this->legacyProvider->search($query->getTerm()))
		);
	}
}