<?php

use MediaWiki\Auth\AuthManager;
use MediaWiki\MediaWikiServices;
use MediaWiki\Preferences\DefaultPreferencesFactory;
use Wikimedia\TestingAccessWrapper;

/**
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 * http://www.gnu.org/copyleft/gpl.html
 *
 * @file
 */

/**
 * @group Preferences
 */
class DefaultPreferencesFactoryTest extends \MediaWikiTestCase {

	/** @var IContextSource */
	protected $context;

	/** @var Config */
	protected $config;

	public function setUp() {
		parent::setUp();
		$this->context = new RequestContext();
		$this->context->setTitle( Title::newFromText( self::class ) );

		$services = MediaWikiServices::getInstance();

		$this->setMwGlobals( 'wgParser', $services->getParserFactory()->create() );
		$this->config = $services->getMainConfig();
	}

	/**
	 * Get a basic PreferencesFactory for testing with.
	 * @return DefaultPreferencesFactory
	 */
	protected function getPreferencesFactory() {
		return new DefaultPreferencesFactory(
			$this->config,
			new Language(),
			AuthManager::singleton(),
			MediaWikiServices::getInstance()->getLinkRenderer()
		);
	}

	/**
	 * @covers MediaWiki\Preferences\DefaultPreferencesFactory::getForm()
	 */
	public function testGetForm() {
		$this->setTemporaryHook( 'GetPreferences', null );

		$testUser = $this->getTestUser();
		$form = $this->getPreferencesFactory()->getForm( $testUser->getUser(), $this->context );
		$this->assertInstanceOf( PreferencesFormLegacy::class, $form );
		$this->assertCount( 5, $form->getPreferenceSections() );
	}

	/**
	 * CSS classes for emailauthentication preference field when there's no email.
	 * @see https://phabricator.wikimedia.org/T36302
	 * @covers MediaWiki\Preferences\DefaultPreferencesFactory::profilePreferences()
	 * @dataProvider emailAuthenticationProvider
	 */
	public function testEmailAuthentication( $user, $cssClass ) {
		$prefs = $this->getPreferencesFactory()->getFormDescriptor( $user, $this->context );
		$this->assertArrayHasKey( 'cssclass', $prefs['emailauthentication'] );
		$this->assertEquals( $cssClass, $prefs['emailauthentication']['cssclass'] );
	}

	/**
	 * @covers MediaWiki\Preferences\DefaultPreferencesFactory::renderingPreferences()
	 */
	public function testShowRollbackConfIsHiddenForUsersWithoutRollbackRights() {
		$userMock = $this->getMockBuilder( User::class )
			->disableOriginalConstructor()
			->getMock();
		$userMock->method( 'isAllowed' )
			->willReturn( false );
		$userMock->method( 'getEffectiveGroups' )
			->willReturn( [] );
		$userMock->method( 'getGroupMemberships' )
			->willReturn( [] );
		$userMock->method( 'getOptions' )
			->willReturn( [ 'test' => 'yes' ] );

		$prefs = $this->getPreferencesFactory()->getFormDescriptor( $userMock, $this->context );
		$this->assertArrayNotHasKey( 'showrollbackconfirmation', $prefs );
	}

	/**
	 * @covers MediaWiki\Preferences\DefaultPreferencesFactory::renderingPreferences()
	 */
	public function testShowRollbackConfIsShownForUsersWithRollbackRights() {
		$userMock = $this->getMockBuilder( User::class )
			->disableOriginalConstructor()
			->getMock();
		$userMock->method( 'isAllowed' )
			->willReturn( true );
		$userMock->method( 'getEffectiveGroups' )
			->willReturn( [] );
		$userMock->method( 'getGroupMemberships' )
			->willReturn( [] );
		$userMock->method( 'getOptions' )
			->willReturn( [ 'test' => 'yes' ] );

		$prefs = $this->getPreferencesFactory()->getFormDescriptor( $userMock, $this->context );
		$this->assertArrayHasKey( 'showrollbackconfirmation', $prefs );
		$this->assertEquals(
			'rendering/advancedrendering',
			$prefs['showrollbackconfirmation']['section']
		);
	}

	public function emailAuthenticationProvider() {
		$userNoEmail = new User;
		$userEmailUnauthed = new User;
		$userEmailUnauthed->setEmail( 'noauth@example.org' );
		$userEmailAuthed = new User;
		$userEmailAuthed->setEmail( 'noauth@example.org' );
		$userEmailAuthed->setEmailAuthenticationTimestamp( wfTimestamp() );
		return [
			[ $userNoEmail, 'mw-email-none' ],
			[ $userEmailUnauthed, 'mw-email-not-authenticated' ],
			[ $userEmailAuthed, 'mw-email-authenticated' ],
		];
	}

	/**
	 * Test that PreferencesFormPreSave hook has correct data:
	 *  - user Object is passed
	 *  - oldUserOptions contains previous user options (before save)
	 *  - formData and User object have set up new properties
	 *
	 * @see https://phabricator.wikimedia.org/T169365
	 * @covers MediaWiki\Preferences\DefaultPreferencesFactory::submitForm()
	 */
	public function testPreferencesFormPreSaveHookHasCorrectData() {
		$oldOptions = [
			'test' => 'abc',
			'option' => 'old'
		];
		$newOptions = [
			'test' => 'abc',
			'option' => 'new'
		];
		$configMock = new HashConfig( [
			'HiddenPrefs' => []
		] );
		$form = $this->getMockBuilder( PreferencesFormLegacy::class )
			->disableOriginalConstructor()
			->getMock();

		$userMock = $this->getMockBuilder( User::class )
			->disableOriginalConstructor()
			->getMock();
		$userMock->method( 'getOptions' )
			->willReturn( $oldOptions );
		$userMock->method( 'isAllowedAny' )
			->willReturn( true );
		$userMock->method( 'isAllowed' )
			->willReturn( true );

		$userMock->expects( $this->exactly( 2 ) )
			->method( 'setOption' )
			->withConsecutive(
				[ $this->equalTo( 'test' ), $this->equalTo( $newOptions[ 'test' ] ) ],
				[ $this->equalTo( 'option' ), $this->equalTo( $newOptions[ 'option' ] ) ]
			);

		$form->expects( $this->any() )
			->method( 'getModifiedUser' )
			->willReturn( $userMock );

		$form->expects( $this->any() )
			->method( 'getContext' )
			->willReturn( $this->context );

		$form->expects( $this->any() )
			->method( 'getConfig' )
			->willReturn( $configMock );

		$this->setTemporaryHook( 'PreferencesFormPreSave',
			function ( $formData, $form, $user, &$result, $oldUserOptions )
				use ( $newOptions, $oldOptions, $userMock ) {
					$this->assertSame( $userMock, $user );
					foreach ( $newOptions as $option => $value ) {
						$this->assertSame( $value, $formData[ $option ] );
					}
					foreach ( $oldOptions as $option => $value ) {
						$this->assertSame( $value, $oldUserOptions[ $option ] );
					}
					$this->assertEquals( true, $result );
			}
		);

		/** @var DefaultPreferencesFactory $factory */
		$factory = TestingAccessWrapper::newFromObject( $this->getPreferencesFactory() );
		$factory->saveFormData( $newOptions, $form, [] );
	}

	/**
	 * The rclimit preference should accept non-integer input and filter it to become an integer.
	 *
	 * @covers \MediaWiki\Preferences\DefaultPreferencesFactory::saveFormData
	 */
	public function testIntvalFilter() {
		// Test a string with leading zeros (i.e. not octal) and spaces.
		$this->context->getRequest()->setVal( 'wprclimit', ' 0012 ' );
		$user = new User;
		$form = $this->getPreferencesFactory()->getForm( $user, $this->context );
		$form->show();
		$form->trySubmit();
		$this->assertEquals( 12, $user->getOption( 'rclimit' ) );
	}
}