<?php
declare(strict_types=1);

namespace MageSail\Magesail\Model;

use Magento\Framework\App\Request\Http;

/**
 * Hostname-only tunnel detection against persisted tunnel base URLs (nginx global map without MageSail headers).
 */
class TunnelHostnameMatcher
{
    public function __construct(
        private readonly TunnelRegistry $tunnelRegistry
    ) {
    }

    /**
     * When HTTP_HOST matches unsecure or secure tunnel base URL host, return the persisted store code.
     */
    public function getStoreCodeIfRequestHostMatchesState(Http $request): ?string
    {
        $httpHost = $request->getServer('HTTP_HOST');
        if ($httpHost === null || $httpHost === '') {
            return null;
        }
        $match = $this->tunnelRegistry->findByRequestHost($httpHost);
        if ($match === null) {
            return null;
        }
        return (string) ($match['store_code'] ?? '');
    }

    public static function hostFromHttpHost(?string $httpHost): ?string
    {
        return TunnelRegistry::hostFromHttpHost($httpHost);
    }

    public static function hostFromBaseUrl(string $baseUrl): ?string
    {
        return TunnelRegistry::hostFromBaseUrl($baseUrl);
    }
}