<?php

declare(strict_types=1);

namespace Siteworxpro\App\Http\Middleware;

use League\Route\Dispatcher;
use League\Route\Route;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;

abstract class Middleware implements MiddlewareInterface
{

    protected function extractRouteCallable($request, RequestHandlerInterface | Dispatcher $handler): array|null
    {
        if (!$handler instanceof Dispatcher) {
            return null;
        }

        /** @var Route | null $lastSegment */
        $lastSegment = array_last($handler->getMiddlewareStack());

        if ($lastSegment === null) {
            return null;
        }

        $callable = $lastSegment->getCallable();
        $class = null;
        $method = null;

        if (is_array($callable) && count($callable) === 2) {
            [$class, $method] = $callable;
        } elseif (is_string($callable)) {
            // Handle the case where the callable is a string (e.g., 'ClassName::methodName')
            [$class, $method] = explode('::', $callable);
        }

        return [$class, $method];
    }
}