<?php

declare(strict_types=1);

/**
 * @copyright Copyright (c) 2019, Thomas Citharel
 * @copyright Copyright (c) 2019, Georg Ehrke
 *
 * @author Georg Ehrke <oc.list@georgehrke.com>
 * @author Roeland Jago Douma <roeland@famdouma.nl>
 * @author Thomas Citharel <tcit@tcit.fr>
 *
 * @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\CalDAV\Reminder\NotificationProvider;

use OCA\DAV\AppInfo\Application;
use OCA\DAV\CalDAV\Reminder\NotificationProvider\PushProvider;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\IConfig;
use OCP\IL10N;
use OCP\ILogger;
use OCP\IURLGenerator;
use OCP\IUser;
use OCP\L10N\IFactory as L10NFactory;
use OCP\Notification\IManager;
use OCP\Notification\INotification;
use Test\TestCase;

class PushProviderTest extends AbstractNotificationProviderTest {

    /** @var ILogger|\PHPUnit\Framework\MockObject\MockObject */
    protected $logger;

    /** @var L10NFactory|\PHPUnit\Framework\MockObject\MockObject */
    protected $l10nFactory;

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

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

    /** @var IConfig|\PHPUnit\Framework\MockObject\MockObject */
    protected $config;

    /** @var IManager|\PHPUnit\Framework\MockObject\MockObject */
    private $manager;

    /** @var ITimeFactory|\PHPUnit\Framework\MockObject\MockObject */
    private $timeFactory;

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

        $this->config = $this->createMock(IConfig::class);
        $this->manager = $this->createMock(IManager::class);
        $this->timeFactory = $this->createMock(ITimeFactory::class);

        $this->provider = new PushProvider(
            $this->config,
            $this->manager,
            $this->logger,
            $this->l10nFactory,
            $this->urlGenerator,
            $this->timeFactory
        );
    }

    public function testNotificationType():void  {
    	$this->assertEquals(PushProvider::NOTIFICATION_TYPE, 'DISPLAY');
	}

	public function testNotSend(): void {
		$this->config->expects($this->once())
			->method('getAppValue')
			->with('dav', 'sendEventRemindersPush', 'no')
			->willReturn('no');

		$this->manager->expects($this->never())
			->method('createNotification');
		$this->manager->expects($this->never())
			->method('notify');

		$user1 = $this->createMock(IUser::class);
		$user1->method('getUID')
			->willReturn('uid1');
		$user2 = $this->createMock(IUser::class);
		$user2->method('getUID')
			->willReturn('uid2');
		$user3 = $this->createMock(IUser::class);
		$user3->method('getUID')
			->willReturn('uid3');

		$users = [$user1, $user2, $user3];

		$this->provider->send($this->vcalendar->VEVENT, $this->calendarDisplayName, $users);
	}

    public function testSend(): void {
    	$this->config->expects($this->once())
			->method('getAppValue')
			->with('dav', 'sendEventRemindersPush', 'no')
			->willReturn('yes');

    	$user1 = $this->createMock(IUser::class);
    	$user1->method('getUID')
			->willReturn('uid1');
    	$user2 = $this->createMock(IUser::class);
		$user2->method('getUID')
			->willReturn('uid2');
    	$user3 = $this->createMock(IUser::class);
		$user3->method('getUID')
			->willReturn('uid3');

		$users = [$user1, $user2, $user3];

		$dateTime = new \DateTime('@946684800');
		$this->timeFactory->method('getDateTime')
			->with()
			->willReturn($dateTime);

		$notification1 = $this->createNotificationMock('uid1', $dateTime);
		$notification2 = $this->createNotificationMock('uid2', $dateTime);
		$notification3 = $this->createNotificationMock('uid3', $dateTime);

		$this->manager->expects($this->at(0))
			->method('createNotification')
			->with()
			->willReturn($notification1);
		$this->manager->expects($this->at(2))
			->method('createNotification')
			->with()
			->willReturn($notification2);
		$this->manager->expects($this->at(4))
			->method('createNotification')
			->with()
			->willReturn($notification3);

		$this->manager->expects($this->at(1))
			->method('notify')
			->with($notification1);
		$this->manager->expects($this->at(3))
			->method('notify')
			->with($notification2);
		$this->manager->expects($this->at(5))
			->method('notify')
			->with($notification3);

		$this->provider->send($this->vcalendar->VEVENT, $this->calendarDisplayName, $users);
    }

	/**
	 * @param string $uid
	 * @param \DateTime $dt
	 */
    private function createNotificationMock(string $uid, \DateTime $dt):INotification {
		$notification = $this->createMock(INotification::class);
		$notification
			->expects($this->once())
			->method('setApp')
			->with('dav')
			->willReturn($notification);

		$notification->expects($this->once())
			->method('setUser')
			->with($uid)
			->willReturn($notification);

		$notification->expects($this->once())
			->method('setDateTime')
			->with($dt)
			->willReturn($notification);

		$notification->expects($this->once())
			->method('setObject')
			->with('dav', hash('sha256', 'uid1234', false))
			->willReturn($notification);

		$notification->expects($this->once())
			->method('setSubject')
			->with('calendar_reminder', [
				'title' => 'Fellowship meeting',
				'start_atom' => '2017-01-01T00:00:00+00:00',
			])
			->willReturn($notification);

		$notification
			->expects($this->once())
			->method('setMessage')
			->with('calendar_reminder', [
				'title' => 'Fellowship meeting',
				'start_atom' => '2017-01-01T00:00:00+00:00',
				'description' => null,
				'location' => null,
				'all_day' => false,
				'start_is_floating' => false,
				'start_timezone' => 'UTC',
				'end_atom' => '2017-01-01T00:00:00+00:00',
				'end_is_floating' => false,
				'end_timezone' => 'UTC',
				'calendar_displayname' => 'Personal',
			])
			->willReturn($notification);

		return $notification;
	}
}