<?php

declare(strict_types=1);

namespace App\Framework\Http\Middlewares;

use App\Framework\Http\HttpMiddleware;
use App\Framework\Http\MiddlewareContext;
use App\Framework\Http\MiddlewarePriority;
use App\Framework\Http\MiddlewarePriorityAttribute;
use App\Framework\Http\Next;
use App\Framework\Http\RequestStateManager;
use App\Framework\Http\StateKey;
use App\Framework\Router\RouteResponder;

#[MiddlewarePriorityAttribute(MiddlewarePriority::ROUTING, -1)]
final readonly class ResponseGeneratorMiddleware implements HttpMiddleware
{
    public function __construct(
        private RouteResponder $responder,
    ) {
    }

    public function __invoke(MiddlewareContext $context, Next $next, RequestStateManager $stateManager): MiddlewareContext
    {
        file_put_contents('/tmp/debug.log', "ResponseGeneratorMiddleware: __invoke called\n", FILE_APPEND);
        file_put_contents('/tmp/debug.log', "ResponseGeneratorMiddleware: Has CONTROLLER_RESULT: " . ($stateManager->has(StateKey::CONTROLLER_RESULT) ? 'YES' : 'NO') . "\n", FILE_APPEND);

        if ($stateManager->has(StateKey::CONTROLLER_RESULT)) {
            $controllerResult = $stateManager->get(StateKey::CONTROLLER_RESULT);
            file_put_contents('/tmp/debug.log', "ResponseGeneratorMiddleware: Controller result class: " . get_class($controllerResult) . "\n", FILE_APPEND);
            error_log("ResponseGeneratorMiddleware: Controller result class: " . get_class($controllerResult));

            if (method_exists($controllerResult, 'template')) {
                file_put_contents('/tmp/debug.log', "ResponseGeneratorMiddleware: Template: " . $controllerResult->template . "\n", FILE_APPEND);
                error_log("ResponseGeneratorMiddleware: Template: " . $controllerResult->template);
            }

            file_put_contents('/tmp/debug.log', "ResponseGeneratorMiddleware: About to call responder->respond\n", FILE_APPEND);
            $originalResponse = $this->responder->respond($controllerResult);
            file_put_contents('/tmp/debug.log', "ResponseGeneratorMiddleware: Response body length: " . strlen($originalResponse->body) . "\n", FILE_APPEND);
            error_log("ResponseGeneratorMiddleware: Response body length: " . strlen($originalResponse->body));

            // Kontext mit der generierten Response aktualisieren
            $updatedContext = $context->withResponse($originalResponse);
            $resultContext = $next($updatedContext);

            if (! $resultContext->hasResponse()) {
                return $resultContext->withResponse($originalResponse);
            }

            return $resultContext;
        }

        return $next($context);
    }
}