<?php

namespace DigitalAscetic\EntityAssociationsBundle\EventListener;


use DigitalAscetic\EntityAssociationsBundle\Entity\ExceptionEntityAssociation;
use Symfony\Component\EventDispatcher\Attribute\AsEventListener;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpKernel\Event\ExceptionEvent;
use Symfony\Component\HttpKernel\KernelEvents;

#[AsEventListener(event: KernelEvents::EXCEPTION, method: 'onKernelException')]
class ExceptionEntityAssociationSerializerSubscriber
{
    public function onKernelException(ExceptionEvent $event)
    {
        if ($this->isExceptionEntityAssociation($event->getThrowable())) {

            /** @var ExceptionEntityAssociation $exception */
            $exception = $event->getThrowable();

            $response = new JsonResponse(
                $this->convertToArray($exception),
                500
            );
            $response->headers->set('Content-Type', 'application/json');

            $event->setResponse($response);
        }

    }

    private function isExceptionEntityAssociation($entity)
    {
        return ($entity instanceof ExceptionEntityAssociation);
    }

    /**
     * @param \Exception $exception
     *
     * @return array
     */
    protected function convertToArray(ExceptionEntityAssociation $exception)
    {
        $error = [];
        $error['code'] = $exception->getCode();

        $errorException['class'] = ExceptionEntityAssociation::class;
        $errorException['associations'] = $exception->getAssociations();
        $errorException['message'] = $exception->getMessage();
        $traces = $exception->getTrace();

        $errorException['trace'] = [];

        foreach ($traces as $trace) {
            $errorException['trace'][] = json_encode($trace);
        }

        $error['exception'] = [];
        $error['exception'][] = $errorException;

        $data = [];
        $data['error'] = $error;

        return $data;
    }

}