<?php
/**
 * @author Lukas Reschke <lukas@owncloud.com>
 *
 * @copyright Copyright (c) 2015, ownCloud, Inc.
 * @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/>
 *
 */
namespace OCA\DAV\Tests\Unit\CardDAV;

use OCA\DAV\CardDAV\CardDavBackend;
use Sabre\DAV\PropPatch;
use Test\TestCase;

/**
 * Class CardDavBackendTest
 *
 * @group DB
 *
 * @package OCA\DAV\Tests\Unit\CardDAV
 */
class CardDavBackendTest extends TestCase {

	/** @var CardDavBackend */
	private $backend;

	const UNIT_TEST_USER = 'carddav-unit-test';

	public function setUp() {
		parent::setUp();

		$principal = $this->getMockBuilder('OCA\DAV\Connector\Sabre\Principal')
			->disableOriginalConstructor()
			->setMethods(['getPrincipalByPath'])
			->getMock();
		$principal->method('getPrincipalByPath')
			->willReturn([
				'uri' => 'principals/best-friend'
			]);

		$db = \OC::$server->getDatabaseConnection();
		$this->backend = new CardDavBackend($db, $principal);

		$this->tearDown();
	}

	public function tearDown() {
		parent::tearDown();

		if (is_null($this->backend)) {
			return;
		}
		$books = $this->backend->getAddressBooksForUser(self::UNIT_TEST_USER);
		foreach ($books as $book) {
			$this->backend->deleteAddressBook($book['id']);
		}
	}

	public function testAddressBookOperations() {

		// create a new address book
		$this->backend->createAddressBook(self::UNIT_TEST_USER, 'Example', []);

		$books = $this->backend->getAddressBooksForUser(self::UNIT_TEST_USER);
		$this->assertEquals(1, count($books));
		$this->assertEquals('Example', $books[0]['{DAV:}displayname']);

		// update it's display name
		$patch = new PropPatch([
			'{DAV:}displayname' => 'Unit test',
			'{urn:ietf:params:xml:ns:carddav}addressbook-description' => 'Addressbook used for unit testing'
		]);
		$this->backend->updateAddressBook($books[0]['id'], $patch);
		$patch->commit();
		$books = $this->backend->getAddressBooksForUser(self::UNIT_TEST_USER);
		$this->assertEquals(1, count($books));
		$this->assertEquals('Unit test', $books[0]['{DAV:}displayname']);
		$this->assertEquals('Addressbook used for unit testing', $books[0]['{urn:ietf:params:xml:ns:carddav}addressbook-description']);

		// delete the address book
		$this->backend->deleteAddressBook($books[0]['id']);
		$books = $this->backend->getAddressBooksForUser(self::UNIT_TEST_USER);
		$this->assertEquals(0, count($books));
	}

	public function testCardOperations() {
		// create a new address book
		$this->backend->createAddressBook(self::UNIT_TEST_USER, 'Example', []);
		$books = $this->backend->getAddressBooksForUser(self::UNIT_TEST_USER);
		$this->assertEquals(1, count($books));
		$bookId = $books[0]['id'];

		// create a card
		$uri = $this->getUniqueID('card');
		$this->backend->createCard($bookId, $uri, '');

		// get all the cards
		$cards = $this->backend->getCards($bookId);
		$this->assertEquals(1, count($cards));
		$this->assertEquals('', $cards[0]['carddata']);

		// get the cards
		$card = $this->backend->getCard($bookId, $uri);
		$this->assertNotNull($card);
		$this->assertArrayHasKey('id', $card);
		$this->assertArrayHasKey('uri', $card);
		$this->assertArrayHasKey('lastmodified', $card);
		$this->assertArrayHasKey('etag', $card);
		$this->assertArrayHasKey('size', $card);
		$this->assertEquals('', $card['carddata']);

		// update the card
		$this->backend->updateCard($bookId, $uri, '***');
		$card = $this->backend->getCard($bookId, $uri);
		$this->assertEquals('***', $card['carddata']);

		// delete the card
		$this->backend->deleteCard($bookId, $uri);
		$cards = $this->backend->getCards($bookId);
		$this->assertEquals(0, count($cards));
	}

	public function testMultiCard() {
		// create a new address book
		$this->backend->createAddressBook(self::UNIT_TEST_USER, 'Example', []);
		$books = $this->backend->getAddressBooksForUser(self::UNIT_TEST_USER);
		$this->assertEquals(1, count($books));
		$bookId = $books[0]['id'];

		// create a card
		$uri0 = $this->getUniqueID('card');
		$this->backend->createCard($bookId, $uri0, '');
		$uri1 = $this->getUniqueID('card');
		$this->backend->createCard($bookId, $uri1, '');
		$uri2 = $this->getUniqueID('card');
		$this->backend->createCard($bookId, $uri2, '');

		// get all the cards
		$cards = $this->backend->getCards($bookId);
		$this->assertEquals(3, count($cards));
		$this->assertEquals('', $cards[0]['carddata']);
		$this->assertEquals('', $cards[1]['carddata']);
		$this->assertEquals('', $cards[2]['carddata']);

		// get the cards
		$cards = $this->backend->getMultipleCards($bookId, [$uri1, $uri2]);
		$this->assertEquals(2, count($cards));
		foreach($cards as $card) {
			$this->assertArrayHasKey('id', $card);
			$this->assertArrayHasKey('uri', $card);
			$this->assertArrayHasKey('lastmodified', $card);
			$this->assertArrayHasKey('etag', $card);
			$this->assertArrayHasKey('size', $card);
			$this->assertEquals('', $card['carddata']);
		}

		// delete the card
		$this->backend->deleteCard($bookId, $uri0);
		$this->backend->deleteCard($bookId, $uri1);
		$this->backend->deleteCard($bookId, $uri2);
		$cards = $this->backend->getCards($bookId);
		$this->assertEquals(0, count($cards));
	}

	public function testSyncSupport() {
		// create a new address book
		$this->backend->createAddressBook(self::UNIT_TEST_USER, 'Example', []);
		$books = $this->backend->getAddressBooksForUser(self::UNIT_TEST_USER);
		$this->assertEquals(1, count($books));
		$bookId = $books[0]['id'];

		// fist call without synctoken
		$changes = $this->backend->getChangesForAddressBook($bookId, '', 1);
		$syncToken = $changes['syncToken'];

		// add a change
		$uri0 = $this->getUniqueID('card');
		$this->backend->createCard($bookId, $uri0, '');

		// look for changes
		$changes = $this->backend->getChangesForAddressBook($bookId, $syncToken, 1);
		$this->assertEquals($uri0, $changes['added'][0]);
	}

	public function testSharing() {
		$this->backend->createAddressBook(self::UNIT_TEST_USER, 'Example', []);
		$books = $this->backend->getAddressBooksForUser(self::UNIT_TEST_USER);
		$this->assertEquals(1, count($books));

		$this->backend->updateShares('Example', [['href' => 'principal:principals/best-friend']], []);

		$shares = $this->backend->getShares('Example');
		$this->assertEquals(1, count($shares));

		$books = $this->backend->getAddressBooksForUser('principals/best-friend');
		$this->assertEquals(1, count($books));

		$this->backend->updateShares('Example', [], [['href' => 'principal:principals/best-friend']]);

		$shares = $this->backend->getShares('Example');
		$this->assertEquals(0, count($shares));

		$books = $this->backend->getAddressBooksForUser('principals/best-friend');
		$this->assertEquals(0, count($books));


	}
}