<?php

declare(strict_types=1);

/**
 * @copyright Copyright (c) 2020, Georg Ehrke
 *
 * @author Georg Ehrke <oc.list@georgehrke.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\DAV\Tests\unit;

use OCA\DAV\CardDAV\CardDavBackend;
use OCA\DAV\Search\ContactsSearchProvider;
use OCP\App\IAppManager;
use OCP\IL10N;
use OCP\IURLGenerator;
use OCP\IUser;
use OCP\Search\ISearchQuery;
use OCP\Search\SearchResult;
use OCP\Search\SearchResultEntry;
use Sabre\VObject\Reader;
use Test\TestCase;

class ContactsSearchProviderTest extends TestCase {

	/** @var IAppManager|\PHPUnit\Framework\MockObject\MockObject */
	private $appManager;

	/** @var IL10N|\PHPUnit\Framework\MockObject\MockObject */
	private $l10n;

	/** @var IURLGenerator|\PHPUnit\Framework\MockObject\MockObject */
	private $urlGenerator;

	/** @var CardDavBackend|\PHPUnit\Framework\MockObject\MockObject */
	private $backend;

	/** @var ContactsSearchProvider */
	private $provider;

	private $vcardTest0 = 'BEGIN:VCARD'.PHP_EOL.
		'VERSION:3.0'.PHP_EOL.
		'PRODID:-//Sabre//Sabre VObject 4.1.2//EN'.PHP_EOL.
		'UID:Test'.PHP_EOL.
		'FN:FN of Test'.PHP_EOL.
		'N:Test;;;;'.PHP_EOL.
		'EMAIL:forrestgump@example.com'.PHP_EOL.
		'END:VCARD';

	private $vcardTest1 = 'BEGIN:VCARD'.PHP_EOL.
		'VERSION:3.0'.PHP_EOL.
		'PRODID:-//Sabre//Sabre VObject 4.1.2//EN'.PHP_EOL.
		'PHOTO;ENCODING=b;TYPE=image/jpeg:'.PHP_EOL.
		'UID:Test2'.PHP_EOL.
		'FN:FN of Test2'.PHP_EOL.
		'N:Test2;;;;'.PHP_EOL.
		'END:VCARD';

	protected function setUp(): void {
		parent::setUp();

		$this->appManager = $this->createMock(IAppManager::class);
		$this->l10n = $this->createMock(IL10N::class);
		$this->urlGenerator = $this->createMock(IURLGenerator::class);
		$this->backend = $this->createMock(CardDavBackend::class);

		$this->provider = new ContactsSearchProvider(
			$this->appManager,
			$this->l10n,
			$this->urlGenerator,
			$this->backend
		);
	}

	public function testGetId(): void {
		$this->assertEquals('contacts', $this->provider->getId());
	}

	public function testGetName(): void {
		$this->l10n->expects($this->exactly(1))
			->method('t')
			->with('Contacts')
			->willReturnArgument(0);

		$this->assertEquals('Contacts', $this->provider->getName());
	}

	public function testSearchAppDisabled(): void {
		$user = $this->createMock(IUser::class);
		$query = $this->createMock(ISearchQuery::class);
		$this->appManager->expects($this->once())
			->method('isEnabledForUser')
			->with('contacts', $user)
			->willReturn(false);
		$this->l10n->expects($this->exactly(1))
			->method('t')
			->with('Contacts')
			->willReturnArgument(0);
		$this->backend->expects($this->never())
			->method('getAddressBooksForUser');
		$this->backend->expects($this->never())
			->method('searchPrincipalUri');

		$actual = $this->provider->search($user, $query);
		$data = $actual->jsonSerialize();
		$this->assertInstanceOf(SearchResult::class, $actual);
		$this->assertEquals('Contacts', $data['name']);
		$this->assertEmpty($data['entries']);
		$this->assertFalse($data['isPaginated']);
		$this->assertNull($data['cursor']);
	}

	public function testSearch(): void {
		$user = $this->createMock(IUser::class);
		$user->method('getUID')->willReturn('john.doe');
		$query = $this->createMock(ISearchQuery::class);
		$query->method('getTerm')->willReturn('search term');
		$query->method('getLimit')->willReturn(5);
		$query->method('getCursor')->willReturn(20);
		$this->appManager->expects($this->once())
			->method('isEnabledForUser')
			->with('contacts', $user)
			->willReturn(true);
		$this->l10n->expects($this->exactly(1))
			->method('t')
			->with('Contacts')
			->willReturnArgument(0);

		$this->backend->expects($this->once())
			->method('getAddressBooksForUser')
			->with('principals/users/john.doe')
			->willReturn([
				[
					'id' => 99,
					'principaluri' => 'principals/users/john.doe',
					'uri' => 'addressbook-uri-99',
				], [
					'id' => 123,
					'principaluri' => 'principals/users/john.doe',
					'uri' => 'addressbook-uri-123',
				]
			]);
		$this->backend->expects($this->once())
			->method('searchPrincipalUri')
			->with('principals/users/john.doe', 'search term',
				['N', 'FN', 'NICKNAME', 'EMAIL', 'ADR'],
				['limit' => 5, 'offset' => 20])
			->willReturn([
				[
					'addressbookid' => 99,
					'uri' => 'vcard0.vcf',
					'carddata' => $this->vcardTest0,
				],
				[
					'addressbookid' => 123,
					'uri' => 'vcard1.vcf',
					'carddata' => $this->vcardTest1,
				],
			]);

		$provider = $this->getMockBuilder(ContactsSearchProvider::class)
			->setConstructorArgs([
				$this->appManager,
				$this->l10n,
				$this->urlGenerator,
				$this->backend,
			])
			->setMethods([
				'getDavUrlForContact',
				'getDeepLinkToContactsApp',
				'generateSubline',
			])
			->getMock();

		$provider->expects($this->once())
			->method('getDavUrlForContact')
			->with('principals/users/john.doe', 'addressbook-uri-123', 'vcard1.vcf')
			->willReturn('absolute-thumbnail-url');

		$provider->expects($this->exactly(2))
			->method('generateSubline')
			->willReturn('subline');
		$provider->expects($this->exactly(2))
			->method('getDeepLinkToContactsApp')
			->withConsecutive(
				['addressbook-uri-99', 'Test'],
				['addressbook-uri-123', 'Test2']
			)
			->willReturn('deep-link-to-contacts');

		$actual = $provider->search($user, $query);
		$data = $actual->jsonSerialize();
		$this->assertInstanceOf(SearchResult::class, $actual);
		$this->assertEquals('Contacts', $data['name']);
		$this->assertCount(2, $data['entries']);
		$this->assertTrue($data['isPaginated']);
		$this->assertEquals(22, $data['cursor']);

		$result0 = $data['entries'][0];
		$result0Data = $result0->jsonSerialize();
		$result1 = $data['entries'][1];
		$result1Data = $result1->jsonSerialize();

		$this->assertInstanceOf(SearchResultEntry::class, $result0);
		$this->assertEquals('', $result0Data['thumbnailUrl']);
		$this->assertEquals('FN of Test', $result0Data['title']);
		$this->assertEquals('subline', $result0Data['subline']);
		$this->assertEquals('deep-link-to-contacts', $result0Data['resourceUrl']);
		$this->assertEquals('icon-contacts-dark', $result0Data['icon']);
		$this->assertTrue($result0Data['rounded']);

		$this->assertInstanceOf(SearchResultEntry::class, $result1);
		$this->assertEquals('absolute-thumbnail-url?photo', $result1Data['thumbnailUrl']);
		$this->assertEquals('FN of Test2', $result1Data['title']);
		$this->assertEquals('subline', $result1Data['subline']);
		$this->assertEquals('deep-link-to-contacts', $result1Data['resourceUrl']);
		$this->assertEquals('icon-contacts-dark', $result1Data['icon']);
		$this->assertTrue($result1Data['rounded']);
	}

	public function testGetDavUrlForContact(): void {
		$this->urlGenerator->expects($this->once())
			->method('linkTo')
			->with('', 'remote.php')
			->willReturn('link-to-remote.php');
		$this->urlGenerator->expects($this->once())
			->method('getAbsoluteURL')
			->with('link-to-remote.php/dav/addressbooks/users/john.doe/foo/bar.vcf')
			->willReturn('absolute-url-link-to-remote.php/dav/addressbooks/users/john.doe/foo/bar.vcf');

		$actual = self::invokePrivate($this->provider, 'getDavUrlForContact', ['principals/users/john.doe', 'foo', 'bar.vcf']);

		$this->assertEquals('absolute-url-link-to-remote.php/dav/addressbooks/users/john.doe/foo/bar.vcf', $actual);
	}

	public function testGetDeepLinkToContactsApp(): void {
		$this->urlGenerator->expects($this->once())
			->method('linkToRoute')
			->with('contacts.contacts.direct', ['contact' => 'uid123~uri-john.doe'])
			->willReturn('link-to-route-contacts.contacts.direct/direct/uid123~uri-john.doe');
		$this->urlGenerator->expects($this->once())
			->method('getAbsoluteURL')
			->with('link-to-route-contacts.contacts.direct/direct/uid123~uri-john.doe')
			->willReturn('absolute-url-link-to-route-contacts.contacts.direct/direct/uid123~uri-john.doe');

		$actual = self::invokePrivate($this->provider, 'getDeepLinkToContactsApp', ['uri-john.doe', 'uid123']);
		$this->assertEquals('absolute-url-link-to-route-contacts.contacts.direct/direct/uid123~uri-john.doe', $actual);
	}

	public function testGenerateSubline(): void {
		$vCard0 = Reader::read($this->vcardTest0);
		$vCard1 = Reader::read($this->vcardTest1);

		$actual1 = self::invokePrivate($this->provider, 'generateSubline', [$vCard0]);
		$actual2 = self::invokePrivate($this->provider, 'generateSubline', [$vCard1]);

		$this->assertEquals('forrestgump@example.com', $actual1);
		$this->assertEquals('', $actual2);
	}
}