<?php
/**
 * @copyright Copyright (c) 2017, ownCloud GmbH.
 *
 * @author Vincent Petry <pvince81@owncloud.com>
 *
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

use GuzzleHttp\Client;
use GuzzleHttp\Message\ResponseInterface;
use PHPUnit\Framework\Assert;

require __DIR__ . '/../../vendor/autoload.php';

/**
 * Trashbin functions
 */
trait Trashbin {
	use WebDav;

	/**
	 * @When User :user empties trashbin
	 * @param string $user user
	 */
	public function emptyTrashbin($user) {
		$client = $this->getSabreClient($user);
		$response = $client->request('DELETE', $this->makeSabrePath($user, 'trash', 'trashbin'));
		Assert::assertEquals(204, $response['statusCode']);
	}

	/**
	 * List trashbin folder
	 *
	 * @param string $user user
	 * @param string $path path
	 * @return array response
	 */
	public function listTrashbinFolder($user, $path) {
		$client = $this->getSabreClient($user);

		return $client->propfind($this->makeSabrePath($user, 'trash' . $path, 'trashbin'), [
			'{http://nextcloud.org/ns}trashbin-filename',
			'{http://nextcloud.org/ns}trashbin-original-location',
			'{http://nextcloud.org/ns}trashbin-deletion-time'
		], 1);
	}

	/**
	 * @Then /^user "([^"]*)" in trash folder "([^"]*)" should have the following elements$/
	 * @param string $user
	 * @param string $folder
	 * @param \Behat\Gherkin\Node\TableNode|null $expectedElements
	 */
	public function checkTrashContents($user, $folder, $expectedElements) {
		$elementList = $this->listTrashbinFolder($user, $folder);
		$trashContent = array_filter(array_map(function(array $item) {
			return $item['{http://nextcloud.org/ns}trashbin-filename'];
		}, $elementList));
		if ($expectedElements instanceof \Behat\Gherkin\Node\TableNode) {
			$elementRows = $expectedElements->getRows();
			$elementsSimplified = $this->simplifyArray($elementRows);
			foreach ($elementsSimplified as $expectedElement) {
				$expectedElement = ltrim($expectedElement, '/');
				if (array_search($expectedElement, $trashContent) === false) {
					Assert::fail("$expectedElement" . " is not in trash listing");
				}
			}
		}
	}

	/**
	 * @Then /^user "([^"]*)" in trash folder "([^"]*)" should have (\d+) elements?$/
	 * @param string $user
	 * @param string $folder
	 * @param \Behat\Gherkin\Node\TableNode|null $expectedElements
	 */
	public function checkTrashSize($user, $folder, $expectedCount) {
		$elementList = $this->listTrashbinFolder($user, $folder);
		// first item is listed folder
		Assert::assertEquals($expectedCount, count($elementList) - 1);
	}

	/**
	 * @When /^user "([^"]*)" in restores "([^"]*)" from trash$/
	 * @param string $user
	 * @param string $file
	 */
	public function restoreFromTrash($user, $file) {
		// find the full name in trashbin
		$file = ltrim($file, '/');
		$parent = dirname($file);
		if ($parent === '.') {
			$parent = '';
		}
		$elementList = $this->listTrashbinFolder($user, $parent);
		$name = basename($file);
		foreach($elementList as $href => $item) {
			if ($item['{http://nextcloud.org/ns}trashbin-filename'] === $name) {
				$client = $this->getSabreClient($user);
				$response = $client->request('MOVE', $href, null, [
					'Destination' => $this->makeSabrePath($user, 'restore/' . $name, 'trashbin'),
				]);
				Assert::assertEquals(201, $response['statusCode']);
				return;
			}
		}
		Assert::fail("$file" . " is not in trash listing");
	}
}