<?php

use MediaWiki\Block\CompositeBlock;
use MediaWiki\Block\DatabaseBlock;
use MediaWiki\Block\SystemBlock;
use MediaWiki\MediaWikiServices;

/**
 * @group Blocking
 * @coversDefaultClass \MediaWiki\Block\BlockErrorFormatter
 */
class BlockErrorFormatterTest extends MediaWikiLangTestCase {
	/**
	 * @dataProvider provideTestGetMessage
	 * @covers ::getMessage
	 * @covers ::getBlockErrorMessageParams
	 * @covers ::getBlockErrorInfo
	 * @covers ::getFormattedBlockErrorInfo
	 * @covers ::getBlockErrorMessageKey
	 */
	public function testGetMessage( $block, $expectedKey, $expectedParams ) {
		$context = new DerivativeContext( RequestContext::getMain() );
		$request = $this->getMockBuilder( FauxRequest::class )
			->setMethods( [ 'getIP' ] )
			->getMock();
		$request->method( 'getIP' )
			->willReturn( '1.2.3.4' );
		$context->setRequest( $request );

		$formatter = MediaWikiServices::getInstance()->getBlockErrorFormatter();
		$message = $formatter->getMessage(
			$block,
			$context->getUser(),
			$context->getLanguage(),
			$context->getRequest()->getIP()
		);

		$this->assertSame( $expectedKey, $message->getKey() );
		$this->assertSame( $expectedParams, $message->getParams() );
	}

	public static function provideTestGetMessage() {
		$timestamp = '20000101000000';
		$expiry = '20010101000000';

		$databaseBlock = new DatabaseBlock( [
			'timestamp' => $timestamp,
			'expiry' => $expiry,
		] );

		$systemBlock = new SystemBlock( [
			'timestamp' => $timestamp,
			'systemBlock' => 'test',
		] );

		$compositeBlock = new CompositeBlock( [
			'timestamp' => $timestamp,
			'originalBlocks' => [
				$databaseBlock,
				$systemBlock
			]
		] );

		return [
			'Database block' => [
				$databaseBlock,
				'blockedtext',
				[
					'',
					'no reason given',
					'1.2.3.4',
					'',
					null, // Block not inserted
					'00:00, 1 January 2001',
					'',
					'00:00, 1 January 2000',
				],
			],
			'Database block (autoblock)' => [
				new DatabaseBlock( [
					'timestamp' => $timestamp,
					'expiry' => $expiry,
					'auto' => true,
				] ),
				'autoblockedtext',
				[
					'',
					'no reason given',
					'1.2.3.4',
					'',
					null,
					'00:00, 1 January 2001',
					'',
					'00:00, 1 January 2000',
				],
			],
			'Database block (partial block)' => [
				new DatabaseBlock( [
					'timestamp' => $timestamp,
					'expiry' => $expiry,
					'sitewide' => false,
				] ),
				'blockedtext-partial',
				[
					'',
					'no reason given',
					'1.2.3.4',
					'',
					null,
					'00:00, 1 January 2001',
					'',
					'00:00, 1 January 2000',
				],
			],
			'System block (type \'test\')' => [
				$systemBlock,
				'systemblockedtext',
				[
					'',
					'no reason given',
					'1.2.3.4',
					'',
					'test',
					'infinite',
					'',
					'00:00, 1 January 2000',
				],
			],
			'Composite block (original blocks not inserted)' => [
				$compositeBlock,
				'blockedtext-composite',
				[
					'',
					'no reason given',
					'1.2.3.4',
					'',
					'Your IP address appears in multiple blacklists',
					'infinite',
					'',
					'00:00, 1 January 2000',
				],
			],
		];
	}

	/**
	 * @dataProvider provideTestGetMessageCompositeBlocks
	 * @covers ::getMessage
	 * @covers ::getBlockErrorMessageParams
	 */
	public function testGetMessageCompositeBlocks( $ids, $expected ) {
		$block = $this->getMockBuilder( CompositeBlock::class )
			->setMethods( [ 'getIdentifier', 'getBlockErrorParams' ] )
			->getMock();
		$block->method( 'getIdentifier' )
			->willReturn( $ids );

		$context = RequestContext::getMain();

		$formatter = MediaWikiServices::getInstance()->getBlockErrorFormatter();
		$this->assertContains(
			$expected,
			$formatter->getMessage(
				$block,
				$context->getUser(),
				$context->getLanguage(),
				$context->getRequest()->getIP()
			)->getParams()
		);
	}

	public static function provideTestGetMessageCompositeBlocks() {
		return [
			'All original blocks are system blocks' => [
				[ 'test', 'test' ],
				'Your IP address appears in multiple blacklists',
			],
			'One original block is a database block' => [
				[ 100, 'test' ],
				'Relevant block IDs: #100 (your IP address may also be blacklisted)',
			],
			'Several original blocks are database blocks' => [
				[ 100, 101, 102 ],
				'Relevant block IDs: #100, #101, #102 (your IP address may also be blacklisted)',
			],
		];
	}
}