<?php

namespace App\Middleware;

use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;

class PreFlightMiddleware
{
    public function __invoke(RequestInterface $request, ResponseInterface $response, callable $next)
    {
        $requestMethod = strtoupper($request->getMethod());
        if ($requestMethod == 'OPTIONS') {
            return $response
                ->withHeader('Accept', 'OPTIONS,GET,POST,PUT,PATCH,DELETE')
                ->withHeader('Access-Control-Allow-Origin', '*')
                ->withHeader('Access-Control-Allow-Methods', 'OPTIONS,GET,POST,PUT,PATCH,DELETE')
                ->withHeader('Access-Control-Allow-Headers', 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization');
        }
        return $next($request, $response);
    }
}