<?php
/**
 * Resolve the Basic PDF language through the shared provider registry.
 *
 * @package Leanmerce\CommerceCompliance
 */

namespace Leanmerce\CommerceCompliance\Application\Document;

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

use Leanmerce\CommerceCompliance\Application\Setup\LanguageCatalog;
use Leanmerce\CommerceCompliance\Core\Contract\Provider\DocumentLanguageResolverInterface;
use Leanmerce\CommerceCompliance\Core\Contract\ProviderRegistryInterface;
use Leanmerce\CommerceCompliance\Core\ProviderType;

final class DocumentLanguageService {
	public function __construct( private readonly ProviderRegistryInterface $providers ) {}

	public function resolve( $order = null ): string {
		$provider_id = function_exists( 'apply_filters' )
			? (string) apply_filters( 'leanmerce_commerce_compliance_document_language_provider', 'core-settings', $order )
			: 'core-settings';
		$provider    = $this->providers->get( ProviderType::DOCUMENT_LANGUAGE, $provider_id );

		if ( $provider instanceof DocumentLanguageResolverInterface ) {
			$language = $provider->resolve( $order );
			if ( isset( LanguageCatalog::supported()[ $language ] ) ) {
				return $language;
			}
		}

		return LanguageCatalog::BOSNIAN;
	}
}