<?php

namespace Xxx\Component\HttpFoundation;

use Symfony\Component\Form\Form;
use Symfony\Component\HttpFoundation\JsonResponse;

class JsonFormResponse extends JsonResponse
{
    public function __construct(Form $data, $status = 422, $headers = array())
    {
        $errors = [$data->getName() => []];

        if (count($formErrors = $this->getFormErrors($data))) {
            $errors[$data->getName()] = [
                'errors' => $formErrors
            ];
        }

        foreach ($data as $field) {
            if (count($fieldErrors = $this->getFormErrors($field))) {
                $errors[$data->getName()][$field->getName()] = [
                    'errors' => $fieldErrors
                ];
            }
        }

        parent::__construct($errors, $status, $headers);
    }

    private function getFormErrors($form) {
        $errors = [];
        foreach ($form->getErrors() as $error) {
            $errors[] = $error->getMessageTemplate();
        }

        return $errors;
    }
}