<?php
  /**
   * ownCloud
   *
   * @author Vincent Petry, Bjoern Schiessle
   * @copyright 2014 Vincent Petry <pvince81@owncloud.com>
   *            2014 Bjoern Schiessle <schiessle@owncloud.com>
   *
   * 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/>.
   *
   */
  require_once __DIR__ . '/base.php';
  
  class Test_Files_Sharing_Cache extends Test_Files_Sharing_Base {
  
  	/**

  	 * @var OC\Files\View

  	 */
  	public $user2View;
  
  	function setUp() {
  		parent::setUp();

  		\OC_User::setDisplayName(self::TEST_FILES_SHARING_API_USER1, 'User One');
  		\OC_User::setDisplayName(self::TEST_FILES_SHARING_API_USER2, 'User Two');

  		self::loginHelper(self::TEST_FILES_SHARING_API_USER1);
  
  		$this->user2View = new \OC\Files\View('/'. self::TEST_FILES_SHARING_API_USER2 . '/files');
  
  		// prepare user1's dir structure
  		$this->view->mkdir('container');
  		$this->view->mkdir('container/shareddir');
  		$this->view->mkdir('container/shareddir/subdir');
  		$this->view->mkdir('container/shareddir/emptydir');
  
  		$textData = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
  		$this->view->file_put_contents('container/not shared.txt', $textData);
  		$this->view->file_put_contents('container/shared single file.txt', $textData);
  		$this->view->file_put_contents('container/shareddir/bar.txt', $textData);
  		$this->view->file_put_contents('container/shareddir/subdir/another.txt', $textData);
  		$this->view->file_put_contents('container/shareddir/subdir/another too.txt', $textData);
  		$this->view->file_put_contents('container/shareddir/subdir/not a text file.xml', '<xml></xml>');
  
  		list($this->ownerStorage, $internalPath) = $this->view->resolvePath('');
  		$this->ownerCache = $this->ownerStorage->getCache();
  		$this->ownerStorage->getScanner()->scan('');
  
  		// share "shareddir" with user2
  		$fileinfo = $this->view->getFileInfo('container/shareddir');
  		\OCP\Share::shareItem('folder', $fileinfo['fileid'], \OCP\Share::SHARE_TYPE_USER,
  			self::TEST_FILES_SHARING_API_USER2, 31);
  
  		$fileinfo = $this->view->getFileInfo('container/shared single file.txt');
  		\OCP\Share::shareItem('file', $fileinfo['fileid'], \OCP\Share::SHARE_TYPE_USER,
  			self::TEST_FILES_SHARING_API_USER2, 31);
  
  		// login as user2
  		self::loginHelper(self::TEST_FILES_SHARING_API_USER2);
  
  		// retrieve the shared storage
  		$secondView = new \OC\Files\View('/' . self::TEST_FILES_SHARING_API_USER2);

  		list($this->sharedStorage, $internalPath) = $secondView->resolvePath('files/shareddir');

  		$this->sharedCache = $this->sharedStorage->getCache();
  	}
  
  	function tearDown() {
  		$this->sharedCache->clear();
  
  		self::loginHelper(self::TEST_FILES_SHARING_API_USER1);
  
  		$fileinfo = $this->view->getFileInfo('container/shareddir');
  		\OCP\Share::unshare('folder', $fileinfo['fileid'], \OCP\Share::SHARE_TYPE_USER,
  			self::TEST_FILES_SHARING_API_USER2);
  
  		$fileinfo = $this->view->getFileInfo('container/shared single file.txt');
  		\OCP\Share::unshare('file', $fileinfo['fileid'], \OCP\Share::SHARE_TYPE_USER,
  			self::TEST_FILES_SHARING_API_USER2);
  
  		$this->view->deleteAll('container');
  
  		$this->ownerCache->clear();
  
  		parent::tearDown();
  	}

  	function searchDataProvider() {
  		return array(
  			array('%another%',
  				array(
  					array('name' => 'another too.txt', 'path' => 'subdir/another too.txt'),
  					array('name' => 'another.txt', 'path' => 'subdir/another.txt'),
  				)
  			),
  			array('%Another%',
  				array(
  					array('name' => 'another too.txt', 'path' => 'subdir/another too.txt'),
  					array('name' => 'another.txt', 'path' => 'subdir/another.txt'),
  				)
  			),
  			array('%dir%',
  				array(
  					array('name' => 'emptydir', 'path' => 'emptydir'),
  					array('name' => 'subdir', 'path' => 'subdir'),
  					array('name' => 'shareddir', 'path' => ''),
  				)
  			),
  			array('%Dir%',
  				array(
  					array('name' => 'emptydir', 'path' => 'emptydir'),
  					array('name' => 'subdir', 'path' => 'subdir'),
  					array('name' => 'shareddir', 'path' => ''),
  				)
  			),
  			array('%txt%',
  				array(
  					array('name' => 'bar.txt', 'path' => 'bar.txt'),
  					array('name' => 'another too.txt', 'path' => 'subdir/another too.txt'),
  					array('name' => 'another.txt', 'path' => 'subdir/another.txt'),
  				)
  			),
  			array('%Txt%',
  				array(
  					array('name' => 'bar.txt', 'path' => 'bar.txt'),
  					array('name' => 'another too.txt', 'path' => 'subdir/another too.txt'),
  					array('name' => 'another.txt', 'path' => 'subdir/another.txt'),
  				)
  			),
  			array('%',
  				array(
  					array('name' => 'bar.txt', 'path' => 'bar.txt'),
  					array('name' => 'emptydir', 'path' => 'emptydir'),
  					array('name' => 'subdir', 'path' => 'subdir'),
  					array('name' => 'another too.txt', 'path' => 'subdir/another too.txt'),
  					array('name' => 'another.txt', 'path' => 'subdir/another.txt'),
  					array('name' => 'not a text file.xml', 'path' => 'subdir/not a text file.xml'),
  					array('name' => 'shareddir', 'path' => ''),
  				)
  			),
  			array('%nonexistant%',
  				array(
  				)
  			),
  		);
  	}
  
  	/**
  	 * we cannot use a dataProvider because that would cause the stray hook detection to remove the hooks
  	 * that were added in setUpBeforeClass.
  	 */
  	function testSearch() {
  		foreach ($this->searchDataProvider() as $data) {
  			list($pattern, $expectedFiles) = $data;
  
  			$results = $this->sharedStorage->getCache()->search($pattern);
  
  			$this->verifyFiles($expectedFiles, $results);
  		}
  
  	}

  	/**
  	 * Test searching by mime type
  	 */
  	function testSearchByMime() {
  		$results = $this->sharedStorage->getCache()->searchByMime('text');
  		$check = array(
  				array(

  					'name' => 'bar.txt',

  					'path' => 'bar.txt'

  				),
  				array(
  					'name' => 'another too.txt',

  					'path' => 'subdir/another too.txt'

  				),
  				array(
  					'name' => 'another.txt',

  					'path' => 'subdir/another.txt'

  				),
  			);
  		$this->verifyFiles($check, $results);

  	}
  
  	function testGetFolderContentsInRoot() {

  		$results = $this->user2View->getDirectoryContent('/');

  		// we should get the shared items "shareddir" and "shared single file.txt"
  		// additional root will always contain the example file "welcome.txt",
  		//  so this will be part of the result

  		$this->verifyFiles(
  			array(
  				array(

  					'name' => 'welcome.txt',
  					'path' => 'files/welcome.txt',
  					'mimetype' => 'text/plain',
  				),
  				array(

  					'name' => 'shareddir',

  					'path' => 'files/shareddir',

  					'mimetype' => 'httpd/unix-directory',

  					'uid_owner' => self::TEST_FILES_SHARING_API_USER1,
  					'displayname_owner' => 'User One',

  				),
  				array(
  					'name' => 'shared single file.txt',

  					'path' => 'files/shared single file.txt',

  					'mimetype' => 'text/plain',

  					'uid_owner' => self::TEST_FILES_SHARING_API_USER1,
  					'displayname_owner' => 'User One',

  				),
  			),
  			$results
  		);
  	}
  
  	function testGetFolderContentsInSubdir() {

  		$results = $this->user2View->getDirectoryContent('/shareddir');

  
  		$this->verifyFiles(
  			array(
  				array(
  					'name' => 'bar.txt',

  					'path' => 'bar.txt',

  					'mimetype' => 'text/plain',

  					'uid_owner' => self::TEST_FILES_SHARING_API_USER1,
  					'displayname_owner' => 'User One',

  				),
  				array(
  					'name' => 'emptydir',

  					'path' => 'emptydir',

  					'mimetype' => 'httpd/unix-directory',

  					'uid_owner' => self::TEST_FILES_SHARING_API_USER1,
  					'displayname_owner' => 'User One',

  				),
  				array(
  					'name' => 'subdir',

  					'path' => 'subdir',

  					'mimetype' => 'httpd/unix-directory',

  					'uid_owner' => self::TEST_FILES_SHARING_API_USER1,
  					'displayname_owner' => 'User One',

  				),
  			),
  			$results
  		);
  	}
  
  	function testGetFolderContentsWhenSubSubdirShared() {
  		self::loginHelper(self::TEST_FILES_SHARING_API_USER1);
  
  		$fileinfo = $this->view->getFileInfo('container/shareddir/subdir');
  		\OCP\Share::shareItem('folder', $fileinfo['fileid'], \OCP\Share::SHARE_TYPE_USER,
  			self::TEST_FILES_SHARING_API_USER3, 31);
  
  		self::loginHelper(self::TEST_FILES_SHARING_API_USER3);
  
  		$thirdView = new \OC\Files\View('/' . self::TEST_FILES_SHARING_API_USER3 . '/files');

  		$results = $thirdView->getDirectoryContent('/subdir');

  
  		$this->verifyFiles(
  			array(
  				array(
  					'name' => 'another too.txt',

  					'path' => 'another too.txt',

  					'mimetype' => 'text/plain',

  					'uid_owner' => self::TEST_FILES_SHARING_API_USER1,
  					'displayname_owner' => 'User One',

  				),
  				array(
  					'name' => 'another.txt',

  					'path' => 'another.txt',

  					'mimetype' => 'text/plain',

  					'uid_owner' => self::TEST_FILES_SHARING_API_USER1,
  					'displayname_owner' => 'User One',

  				),
  				array(
  					'name' => 'not a text file.xml',

  					'path' => 'not a text file.xml',

  					'mimetype' => 'application/xml',

  					'uid_owner' => self::TEST_FILES_SHARING_API_USER1,
  					'displayname_owner' => 'User One',

  				),
  			),
  			$results
  		);
  
  		self::loginHelper(self::TEST_FILES_SHARING_API_USER1);
  
  		\OCP\Share::unshare('folder', $fileinfo['fileid'], \OCP\Share::SHARE_TYPE_USER,
  			self::TEST_FILES_SHARING_API_USER3);
  	}
  
  	/**
  	 * Check if 'results' contains the expected 'examples' only.
  	 *
  	 * @param array $examples array of example files
  	 * @param array $results array of files
  	 */
  	private function verifyFiles($examples, $results) {
  		$this->assertEquals(count($examples), count($results));
  
  		foreach ($examples as $example) {
  			foreach ($results as $key => $result) {
  				if ($result['name'] === $example['name']) {
  					$this->verifyKeys($example, $result);
  					unset($results[$key]);
  					break;
  				}
  			}
  		}

  		$this->assertEquals(array(), $results);

  	}
  
  	/**

  	 * verify if each value from the result matches the expected result

  	 * @param array $example array with the expected results
  	 * @param array $result array with the results
  	 */
  	private function verifyKeys($example, $result) {
  		foreach ($example as $key => $value) {
  			$this->assertEquals($value, $result[$key]);
  		}
  	}

  	public function testGetPathByIdDirectShare() {
  		self::loginHelper(self::TEST_FILES_SHARING_API_USER1);
  		\OC\Files\Filesystem::file_put_contents('test.txt', 'foo');
  		$info = \OC\Files\Filesystem::getFileInfo('test.txt');

  		\OCP\Share::shareItem('file', $info->getId(), \OCP\Share::SHARE_TYPE_USER, self::TEST_FILES_SHARING_API_USER2, \OCP\PERMISSION_ALL);

  		\OC_Util::tearDownFS();
  
  		self::loginHelper(self::TEST_FILES_SHARING_API_USER2);

  		$this->assertTrue(\OC\Files\Filesystem::file_exists('/test.txt'));
  		list($sharedStorage) = \OC\Files\Filesystem::resolvePath('/' . self::TEST_FILES_SHARING_API_USER2 . '/files/test.txt');

  		/**
  		 * @var \OC\Files\Storage\Shared $sharedStorage
  		 */
  
  		$sharedCache = $sharedStorage->getCache();

  		$this->assertEquals('', $sharedCache->getPathById($info->getId()));

  	}
  
  	public function testGetPathByIdShareSubFolder() {
  		self::loginHelper(self::TEST_FILES_SHARING_API_USER1);
  		\OC\Files\Filesystem::mkdir('foo');
  		\OC\Files\Filesystem::mkdir('foo/bar');
  		\OC\Files\Filesystem::touch('foo/bar/test.txt', 'bar');
  		$folderInfo = \OC\Files\Filesystem::getFileInfo('foo');
  		$fileInfo = \OC\Files\Filesystem::getFileInfo('foo/bar/test.txt');

  		\OCP\Share::shareItem('folder', $folderInfo->getId(), \OCP\Share::SHARE_TYPE_USER, self::TEST_FILES_SHARING_API_USER2, \OCP\PERMISSION_ALL);

  		\OC_Util::tearDownFS();
  
  		self::loginHelper(self::TEST_FILES_SHARING_API_USER2);

  		$this->assertTrue(\OC\Files\Filesystem::file_exists('/foo'));
  		list($sharedStorage) = \OC\Files\Filesystem::resolvePath('/' . self::TEST_FILES_SHARING_API_USER2 . '/files/foo');

  		/**
  		 * @var \OC\Files\Storage\Shared $sharedStorage
  		 */
  
  		$sharedCache = $sharedStorage->getCache();

  		$this->assertEquals('', $sharedCache->getPathById($folderInfo->getId()));
  		$this->assertEquals('bar/test.txt', $sharedCache->getPathById($fileInfo->getId()));

  	}

  }