<?php

declare( strict_types=1 );

namespace AcezSeo\Schema\Types;

use AcezSeo\Schema\SchemaIds;
use AcezSeo\Schema\SchemaTypeInterface;
use AcezSeo\Support\BreadcrumbTrail;

if ( ! defined( 'ABSPATH' ) )
{
	exit;
}

final class BreadcrumbListSchemaType implements SchemaTypeInterface
{
	public function get_id(): string
	{
		return 'BreadcrumbList';
	}

	public function applies_to( \WP_Post $post ): bool
	{
		return true;
	}

	public function build( \WP_Post $post ): array
	{
		$position = 1;
		$items    = array();

		foreach ( BreadcrumbTrail::items( $post ) as $trail_item )
		{
			$items[] = array(
				'@type'    => 'ListItem',
				'position' => $position++,
				'name'     => $trail_item['name'],
				'item'     => $trail_item['url'],
			);
		}

		return array(
			'@type'           => 'BreadcrumbList',
			'@id'             => SchemaIds::breadcrumb( $post ),
			'itemListElement' => $items,
		);
	}
}