<?php

namespace Cite\Tests\Unit;

use Cite\Cite;
use Cite\Parsoid\ReferencesData;
use MediaWikiUnitTestCase;
use Wikimedia\Parsoid\Ext\ParsoidExtensionAPI;

/**
 * @covers \Cite\Parsoid\ReferencesData
 * @license GPL-2.0-or-later
 */
class ReferencesDataTest extends MediaWikiUnitTestCase {

	public function testMinimalSetup() {
		$data = new ReferencesData();
		$this->assertSame( [], $data->embeddedErrors );
		$this->assertSame( Cite::DEFAULT_GROUP, $data->referencesGroup );
		$this->assertFalse( $data->inReferencesContent() );
		$this->assertFalse( $data->inEmbeddedContent() );
		$this->assertNull( $data->getRefGroup( Cite::DEFAULT_GROUP ) );
		$this->assertSame( [], $data->getRefGroups() );
	}

	public function testAllocIfMissing() {
		$data = new ReferencesData();
		$group = $data->getRefGroup( 'note', true );
		$this->assertSame( 'note', $group->name );
		$data->removeRefGroup( 'note' );
		$this->assertNull( $data->getRefGroup( 'note' ) );
	}

	public function testEmbeddedInAnyContent() {
		$data = new ReferencesData();
		$data->pushEmbeddedContentFlag();
		$this->assertTrue( $data->inEmbeddedContent() );
		$this->assertFalse( $data->inReferencesContent() );
		$data->popEmbeddedContentFlag();
		$this->assertFalse( $data->inEmbeddedContent() );
	}

	public function testEmbeddedInReferencesContent() {
		$data = new ReferencesData();
		$data->pushEmbeddedContentFlag( 'references' );
		$this->assertTrue( $data->inEmbeddedContent() );
		$this->assertTrue( $data->inReferencesContent() );
		$data->popEmbeddedContentFlag();
		$this->assertFalse( $data->inReferencesContent() );
	}

	public function testAddUnnamedRef() {
		$data = new ReferencesData();
		$ref = $data->add(
			$this->createNoOpMock( ParsoidExtensionAPI::class ),
			Cite::DEFAULT_GROUP,
			'',
			''
		);

		$expected = [
			'contentId' => null,
			'cachedHtml' => null,
			'dir' => '',
			'group' => '',
			'groupIndex' => 1,
			'index' => 0,
			'key' => 'cite_ref-1',
			'id' => 'cite_ref-1',
			'linkbacks' => [],
			'name' => '',
			'target' => 'cite_note-1',
			'nodes' => [],
			'embeddedNodes' => [],
		];
		$this->assertSame( $expected, (array)$ref );

		$group = $data->getRefGroup( Cite::DEFAULT_GROUP );
		$this->assertEquals( [ (object)$expected ], $group->refs );
		$this->assertSame( [], $group->indexByName );
	}

	public function testAddNamedRef() {
		$data = new ReferencesData();
		$ref = $data->add(
			$this->createNoOpMock( ParsoidExtensionAPI::class ),
			'note',
			'wales',
			'rtl'
		);

		$expected = [
			'contentId' => null,
			'cachedHtml' => null,
			'dir' => 'rtl',
			'group' => 'note',
			'groupIndex' => 1,
			'index' => 0,
			'key' => 'cite_ref-wales_1',
			'id' => 'cite_ref-wales_1-0',
			'linkbacks' => [],
			'name' => 'wales',
			'target' => 'cite_note-wales-1',
			'nodes' => [],
			'embeddedNodes' => [],
		];
		$this->assertSame( $expected, (array)$ref );

		$group = $data->getRefGroup( 'note' );
		$this->assertEquals( [ (object)$expected ], $group->refs );
		$this->assertEquals( [ 'wales' => (object)$expected ], $group->indexByName );
	}

}