<?php
/**
 * @author brumsel <brumsel@losecatcher.de>
 * @author Joas Schilling <coding@schilljs.com>
 * @author Morris Jobke <hey@morrisjobke.de>
 * @author Robin Appelman <icewind@owncloud.com>
 * @author Thomas Müller <thomas.mueller@tmit.eu>
 * @author Vincent Petry <pvince81@owncloud.com>
 *
 * @copyright Copyright (c) 2018, ownCloud GmbH
 * @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/>
 *
 */

/**
 * Class Helper
 */
class HelperTest extends \Test\TestCase {
	private function makeFileInfo($name, $size, $mtime, $isDir = false) {
		return new \OC\Files\FileInfo(
			'/' . $name,
			null,
			'/',
			[
				'name' => $name,
				'size' => $size,
				'mtime' => $mtime,
				'type' => $isDir ? 'dir' : 'file',
				'mimetype' => $isDir ? 'httpd/unix-directory' : 'application/octet-stream'
			],
			null
		);
	}

	/**
	 * Returns a file list for testing
	 */
	private function getTestFileList() {
		return [
			self::makeFileInfo('a.txt', 4, 2.3 * \pow(10, 9)),
			self::makeFileInfo('q.txt', 5, 150),
			self::makeFileInfo('subdir2', 87, 128, true),
			self::makeFileInfo('b.txt', 2.2 * \pow(10, 9), 800),
			self::makeFileInfo('o.txt', 12, 100),
			self::makeFileInfo('subdir', 88, 125, true),
		];
	}

	public function sortDataProvider() {
		return [
			[
				'name',
				false,
				['subdir', 'subdir2', 'a.txt', 'b.txt', 'o.txt', 'q.txt'],
			],
			[
				'name',
				true,
				['q.txt', 'o.txt', 'b.txt', 'a.txt', 'subdir2', 'subdir'],
			],
			[
				'size',
				false,
				['a.txt', 'q.txt', 'o.txt', 'subdir2', 'subdir', 'b.txt'],
			],
			[
				'size',
				true,
				['b.txt', 'subdir', 'subdir2', 'o.txt', 'q.txt', 'a.txt'],
			],
			[
				'mtime',
				false,
				['o.txt', 'subdir', 'subdir2', 'q.txt', 'b.txt', 'a.txt'],
			],
			[
				'mtime',
				true,
				['a.txt', 'b.txt', 'q.txt', 'subdir2', 'subdir', 'o.txt'],
			],
		];
	}

	/**
	 * @dataProvider sortDataProvider
	 */
	public function testSortByName($sort, $sortDescending, $expectedOrder) {
		$files = self::getTestFileList();
		$files = \OCA\Files\Helper::sortFiles($files, $sort, $sortDescending);
		$fileNames = [];
		foreach ($files as $fileInfo) {
			$fileNames[] = $fileInfo->getName();
		}
		$this->assertEquals(
			$expectedOrder,
			$fileNames
		);
	}
}
