<?php

namespace App\Http\Middleware;

use Closure;
use Illuminate\Http\Request;
use Symfony\Component\HttpKernel\Exception\HttpException;

class ValidateJsonApiHeader
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure(\Illuminate\Http\Request): (\Illuminate\Http\Response|\Illuminate\Http\RedirectResponse)  $next
     * @return \Illuminate\Http\Response|\Illuminate\Http\RedirectResponse
     */
    public function handle(Request $request, Closure $next)
    {
        $accepts = [
            'application/vnd.api+json',
            //'application/pdf',
            'multipart/form-data',
            'application/pdf'
        ];

        $accept = 'application/vnd.api+json';

        if (false && !in_array($request->header('accept'), $accepts)) {
            throw new HttpException(406, 'No aceptado');
        }

        if ($request->isMethod('POST') || $request->isMethod('PATCH') || $request->isMethod('PUT')) {
            if (false && !in_array($request->header('Content-Type'), $accepts)) {
                throw new HttpException(415, 'No soportado');
            }
        }

        $response = $next($request);

        if (method_exists($response, 'withHeaders')) {
            return $response->withHeaders([
                'content-type' => $accept
            ]);
        } else {
            return $response;
        }
    }
}