<?php
/**
 * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
 *
 * @author Christoph Wurst <christoph@winzerhof-wurst.at>
 * @author Joas Schilling <coding@schilljs.com>
 * @author Morris Jobke <hey@morrisjobke.de>
 * @author Roeland Jago Douma <roeland@famdouma.nl>
 *
 * @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\Provisioning_API\Tests\Controller;

use OCA\Provisioning_API\Controller\AppConfigController;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\DataResponse;
use OCP\IAppConfig;
use OCP\IConfig;
use OCP\IGroupManager;
use OCP\IL10N;
use OCP\IRequest;
use OCP\IUser;
use OCP\IUserSession;
use OCP\Settings\IManager;
use Test\TestCase;

/**
 * Class AppConfigControllerTest
 *
 * @package OCA\Provisioning_API\Tests
 */
class AppConfigControllerTest extends TestCase {

	/** @var IConfig|\PHPUnit\Framework\MockObject\MockObject */
	private $config;
	/** @var IAppConfig|\PHPUnit\Framework\MockObject\MockObject */
	private $appConfig;
	/** @var IUserSession|\PHPUnit\Framework\MockObject\MockObject */
	private $userSession;
	/** @var IL10N|\PHPUnit\Framework\MockObject\MockObject */
	private $l10n;
	/** @var IManager|\PHPUnit\Framework\MockObject\MockObject */
	private $settingManager;
	/** @var IGroupManager|\PHPUnit\Framework\MockObject\MockObject */
	private $groupManager;

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

		$this->config = $this->createMock(IConfig::class);
		$this->appConfig = $this->createMock(IAppConfig::class);
		$this->userSession = $this->createMock(IUserSession::class);
		$this->l10n = $this->createMock(IL10N::class);
		$this->groupManager = $this->createMock(IGroupManager::class);
		$this->settingManager = $this->createMock(IManager::class);
	}

	/**
	 * @param string[] $methods
	 * @return AppConfigController|\PHPUnit\Framework\MockObject\MockObject
	 */
	protected function getInstance(array $methods = []) {
		$request = $this->createMock(IRequest::class);

		if (empty($methods)) {
			return new AppConfigController(
				'provisioning_api',
				$request,
				$this->config,
				$this->appConfig,
				$this->userSession,
				$this->l10n,
				$this->groupManager,
				$this->settingManager
			);
		} else {
			return $this->getMockBuilder(AppConfigController::class)
				->setConstructorArgs([
					'provisioning_api',
					$request,
					$this->config,
					$this->appConfig,
					$this->userSession,
					$this->l10n,
					$this->groupManager,
					$this->settingManager
				])
				->setMethods($methods)
				->getMock();
		}
	}

	public function testGetApps() {
		$this->appConfig->expects($this->once())
			->method('getApps')
			->willReturn(['apps']);

		$result = $this->getInstance()->getApps();
		$this->assertInstanceOf(DataResponse::class, $result);
		$this->assertSame(Http::STATUS_OK, $result->getStatus());
		$this->assertEquals(['data' => ['apps']], $result->getData());
	}

	public function dataGetKeys() {
		return [
			['app1 ', null, new \InvalidArgumentException('error'), Http::STATUS_FORBIDDEN],
			['app2', ['keys'], null, Http::STATUS_OK],
		];
	}

	/**
	 * @dataProvider dataGetKeys
	 * @param string $app
	 * @param array|null $keys
	 * @param \Exception|null $throws
	 * @param int $status
	 */
	public function testGetKeys($app, $keys, $throws, $status) {
		$api = $this->getInstance(['verifyAppId']);
		if ($throws instanceof \Exception) {
			$api->expects($this->once())
				->method('verifyAppId')
				->with($app)
				->willThrowException($throws);

			$this->config->expects($this->never())
				->method('getAppKeys');
		} else {
			$api->expects($this->once())
				->method('verifyAppId')
				->with($app);

			$this->config->expects($this->once())
				->method('getAppKeys')
				->with($app)
				->willReturn($keys);
		}

		$result = $api->getKeys($app);
		$this->assertInstanceOf(DataResponse::class, $result);
		$this->assertSame($status, $result->getStatus());
		if ($throws instanceof \Exception) {
			$this->assertEquals(['data' => ['message' => $throws->getMessage()]], $result->getData());
		} else {
			$this->assertEquals(['data' => $keys], $result->getData());
		}
	}

	public function dataGetValue() {
		return [
			['app1', 'key', 'default', null, new \InvalidArgumentException('error'), Http::STATUS_FORBIDDEN],
			['app2', 'key', 'default', 'return', null, Http::STATUS_OK],
		];
	}

	/**
	 * @dataProvider dataGetValue
	 * @param string $app
	 * @param string|null $key
	 * @param string|null $default
	 * @param string|null $return
	 * @param \Exception|null $throws
	 * @param int $status
	 */
	public function testGetValue($app, $key, $default, $return, $throws, $status) {
		$api = $this->getInstance(['verifyAppId']);
		if ($throws instanceof \Exception) {
			$api->expects($this->once())
				->method('verifyAppId')
				->with($app)
				->willThrowException($throws);

			$this->config->expects($this->never())
				->method('getAppValue');
		} else {
			$api->expects($this->once())
				->method('verifyAppId')
				->with($app);

			$this->config->expects($this->once())
				->method('getAppValue')
				->with($app, $key, $default)
				->willReturn($return);
		}

		$result = $api->getValue($app, $key, $default);
		$this->assertInstanceOf(DataResponse::class, $result);
		$this->assertSame($status, $result->getStatus());
		if ($throws instanceof \Exception) {
			$this->assertEquals(['data' => ['message' => $throws->getMessage()]], $result->getData());
		} else {
			$this->assertEquals(['data' => $return], $result->getData());
		}
	}

	public function dataSetValue() {
		return [
			['app1', 'key', 'default', new \InvalidArgumentException('error1'), null, Http::STATUS_FORBIDDEN],
			['app2', 'key', 'default', null, new \InvalidArgumentException('error2'), Http::STATUS_FORBIDDEN],
			['app2', 'key', 'default', null, null, Http::STATUS_OK],
		];
	}

	/**
	 * @dataProvider dataSetValue
	 * @param string $app
	 * @param string|null $key
	 * @param string|null $value
	 * @param \Exception|null $appThrows
	 * @param \Exception|null $keyThrows
	 * @param int $status
	 */
	public function testSetValue($app, $key, $value, $appThrows, $keyThrows, $status) {
		$adminUser = $this->createMock(IUser::class);
		$adminUser->expects($this->once())
			->method('getUid')
			->willReturn('admin');

		$this->userSession->expects($this->once())
			->method('getUser')
			->willReturn($adminUser);
		$this->groupManager->expects($this->once())
			->method('isAdmin')
			->with('admin')
			->willReturn(true);
		$api = $this->getInstance(['verifyAppId', 'verifyConfigKey']);
		if ($appThrows instanceof \Exception) {
			$api->expects($this->once())
				->method('verifyAppId')
				->with($app)
				->willThrowException($appThrows);

			$api->expects($this->never())
				->method('verifyConfigKey');
			$this->config->expects($this->never())
				->method('setAppValue');
		} elseif ($keyThrows instanceof  \Exception) {
			$api->expects($this->once())
				->method('verifyAppId')
				->with($app);
			$api->expects($this->once())
				->method('verifyConfigKey')
				->with($app, $key)
				->willThrowException($keyThrows);

			$this->config->expects($this->never())
				->method('setAppValue');
		} else {
			$api->expects($this->once())
				->method('verifyAppId')
				->with($app);
			$api->expects($this->once())
				->method('verifyConfigKey')
				->with($app, $key);

			$this->config->expects($this->once())
				->method('setAppValue')
				->with($app, $key, $value);
		}

		$result = $api->setValue($app, $key, $value);
		$this->assertInstanceOf(DataResponse::class, $result);
		$this->assertSame($status, $result->getStatus());
		if ($appThrows instanceof \Exception) {
			$this->assertEquals(['data' => ['message' => $appThrows->getMessage()]], $result->getData());
		} elseif ($keyThrows instanceof \Exception) {
			$this->assertEquals(['data' => ['message' => $keyThrows->getMessage()]], $result->getData());
		} else {
			$this->assertEquals([], $result->getData());
		}
	}

	public function dataDeleteValue() {
		return [
			['app1', 'key', new \InvalidArgumentException('error1'), null, Http::STATUS_FORBIDDEN],
			['app2', 'key', null, new \InvalidArgumentException('error2'), Http::STATUS_FORBIDDEN],
			['app2', 'key', null, null, Http::STATUS_OK],
		];
	}

	/**
	 * @dataProvider dataDeleteValue
	 * @param string $app
	 * @param string|null $key
	 * @param \Exception|null $appThrows
	 * @param \Exception|null $keyThrows
	 * @param int $status
	 */
	public function testDeleteValue($app, $key, $appThrows, $keyThrows, $status) {
		$api = $this->getInstance(['verifyAppId', 'verifyConfigKey']);
		if ($appThrows instanceof \Exception) {
			$api->expects($this->once())
				->method('verifyAppId')
				->with($app)
				->willThrowException($appThrows);

			$api->expects($this->never())
				->method('verifyConfigKey');
			$this->config->expects($this->never())
				->method('deleteAppValue');
		} elseif ($keyThrows instanceof  \Exception) {
			$api->expects($this->once())
				->method('verifyAppId')
				->with($app);
			$api->expects($this->once())
				->method('verifyConfigKey')
				->with($app, $key)
				->willThrowException($keyThrows);

			$this->config->expects($this->never())
				->method('deleteAppValue');
		} else {
			$api->expects($this->once())
				->method('verifyAppId')
				->with($app);
			$api->expects($this->once())
				->method('verifyConfigKey')
				->with($app, $key);

			$this->config->expects($this->once())
				->method('deleteAppValue')
				->with($app, $key);
		}

		$result = $api->deleteKey($app, $key);
		$this->assertInstanceOf(DataResponse::class, $result);
		$this->assertSame($status, $result->getStatus());
		if ($appThrows instanceof \Exception) {
			$this->assertEquals(['data' => ['message' => $appThrows->getMessage()]], $result->getData());
		} elseif ($keyThrows instanceof \Exception) {
			$this->assertEquals(['data' => ['message' => $keyThrows->getMessage()]], $result->getData());
		} else {
			$this->assertEquals([], $result->getData());
		}
	}

	public function testVerifyAppId() {
		$api = $this->getInstance();
		$this->invokePrivate($api, 'verifyAppId', ['activity']);
		$this->addToAssertionCount(1);
	}

	public function dataVerifyAppIdThrows() {
		return [
			['activity..'],
			['activity/'],
			['activity\\'],
			['activity\0'],
		];
	}

	/**
	 * @dataProvider dataVerifyAppIdThrows
	 * @param string $app
	 */
	public function testVerifyAppIdThrows($app) {
		$this->expectException(\InvalidArgumentException::class);

		$api = $this->getInstance();
		$this->invokePrivate($api, 'verifyAppId', [$app]);
	}

	public function dataVerifyConfigKey() {
		return [
			['activity', 'abc', ''],
			['dav', 'public_route', ''],
			['files', 'remote_route', ''],
			['core', 'encryption_enabled', 'yes'],
		];
	}

	/**
	 * @dataProvider dataVerifyConfigKey
	 * @param string $app
	 * @param string $key
	 * @param string $value
	 */
	public function testVerifyConfigKey($app, $key, $value) {
		$api = $this->getInstance();
		$this->invokePrivate($api, 'verifyConfigKey', [$app, $key, $value]);
		$this->addToAssertionCount(1);
	}

	public function dataVerifyConfigKeyThrows() {
		return [
			['activity', 'installed_version', ''],
			['calendar', 'enabled', ''],
			['contacts', 'types', ''],
			['core', 'encryption_enabled', 'no'],
			['core', 'encryption_enabled', ''],
			['core', 'public_files', ''],
			['core', 'public_dav', ''],
			['core', 'remote_files', ''],
			['core', 'remote_dav', ''],
		];
	}

	/**
	 * @dataProvider dataVerifyConfigKeyThrows
	 * @param string $app
	 * @param string $key
	 * @param string $value
	 */
	public function testVerifyConfigKeyThrows($app, $key, $value) {
		$this->expectException(\InvalidArgumentException::class);

		$api = $this->getInstance();
		$this->invokePrivate($api, 'verifyConfigKey', [$app, $key, $value]);
	}
}