<?php

namespace KTXC\Http\Middleware;

use KTXC\Http\Request\Request;
use KTXC\Http\Response\Response;
use KTXC\Context\TenantContext;
use KTXF\Cache\BlobCacheInterface;
use KTXF\Cache\EphemeralCacheInterface;
use KTXF\Cache\PersistentCacheInterface;

/**
 * Tenant resolution middleware
 * Configures the tenant based on the request host
 */
class TenantMiddleware implements MiddlewareInterface
{
    public function __construct(
        private readonly TenantContext $tenantContext,
        private readonly EphemeralCacheInterface $ephemeralCache,
        private readonly PersistentCacheInterface $persistentCache,
        private readonly BlobCacheInterface $blobCache,
    ) {}

    public function process(Request $request, RequestHandlerInterface $handler): Response
    {
        // Configure tenant from request host
        $this->tenantContext->resolveDomain($request->getHost());
        $tenantId = $this->tenantContext->identifier();
        $this->ephemeralCache->setTenantContext($tenantId);
        $this->persistentCache->setTenantContext($tenantId);
        $this->blobCache->setTenantContext($tenantId);
        
        // Check if tenant is configured and enabled
        if (!$this->tenantContext->configured() || !$this->tenantContext->enabled()) {
            return new Response(
                Response::$statusTexts[Response::HTTP_UNAUTHORIZED], 
                Response::HTTP_UNAUTHORIZED
            );
        }

        // Continue to next middleware
        return $handler->handle($request);
    }
}