<?php

class CaptchaTest extends MediaWikiTestCase {
	/**
	 * @dataProvider provideSimpleTriggersCaptcha
	 */
	public function testTriggersCaptcha( $action, $expectedResult ) {
		$captcha = new SimpleCaptcha();
		$this->setMwGlobals( [
			'wgCaptchaTriggers' => [
				$action => $expectedResult,
			]
		] );
		$this->assertEquals( $expectedResult, $captcha->triggersCaptcha( $action ) );
	}

	public function provideSimpleTriggersCaptcha() {
		$data = [];
		$captchaTriggers = new ReflectionClass( CaptchaTriggers::class );
		$constants = $captchaTriggers->getConstants();
		foreach ( $constants as $const ) {
			$data[] = [ $const, true ];
			$data[] = [ $const, false ];
		}
		return $data;
	}

	/**
	 * @dataProvider provideNamespaceOverwrites
	 */
	public function testNamespaceTriggersOverwrite( $trigger, $expected ) {
		$captcha = new SimpleCaptcha();
		$this->setMwGlobals( [
			'wgCaptchaTriggers' => [
				$trigger => !$expected,
			],
			'wgCaptchaTriggersOnNamespace' => [
				0 => [
					$trigger => $expected,
				],
			],
		] );
		$title = Title::newFromText( 'Main' );
		$this->assertEquals( $expected, $captcha->triggersCaptcha( $trigger, $title ) );
	}

	public function provideNamespaceOverwrites() {
		return [
			[ 'edit', true ],
			[ 'edit', false ],
		];
	}

	private function setCaptchaTriggersAttribute( $trigger, $value ) {
		$info = [
			'globals' => [],
			'callbacks' => [],
			'defines' => [],
			'credits' => [],
			'attributes' => [
				'CaptchaTriggers' => [
					$trigger => $value
				]
			],
			'autoloaderPaths' => []
		];
		$registry = new ExtensionRegistry();
		$class = new ReflectionClass( 'ExtensionRegistry' );
		$instanceProperty = $class->getProperty( 'instance' );
		$instanceProperty->setAccessible( true );
		$instanceProperty->setValue( $registry );
		$method = $class->getMethod( 'exportExtractedData' );
		$method->setAccessible( true );
		$method->invokeArgs( $registry, [ $info ] );
	}

	/**
	 * @dataProvider provideAttributeSet
	 */
	public function testCaptchaTriggersAttributeSetTrue( $trigger, $value ) {
		$this->setCaptchaTriggersAttribute( $trigger, $value );
		$captcha = new SimpleCaptcha();
		$this->assertEquals( $value, $captcha->triggersCaptcha( $trigger ) );
	}

	public function provideAttributeSet() {
		return [
			[ 'test', true ],
			[ 'test', false ],
		];
	}

	/**
	 * @dataProvider provideAttributeOverwritten
	 */
	public function testCaptchaTriggersAttributeGetsOverwritten( $trigger, $expected ) {
		$this->setMwGlobals( [
			'wgCaptchaTriggers' => [
				$trigger => $expected
			]
		] );
		$this->setCaptchaTriggersAttribute( $trigger, !$expected );
		$captcha = new SimpleCaptcha();
		$this->assertEquals( $expected, $captcha->triggersCaptcha( $trigger ) );
	}

	public function provideAttributeOverwritten() {
		return [
			[ 'edit', true ],
			[ 'edit', false ],
		];
	}
}