<?php

/**
 * Chill is a software for social workers
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

declare(strict_types=1);

namespace Chill\MainBundle\Serializer\Normalizer;

use Chill\MainBundle\Entity\Center;
use Chill\MainBundle\Entity\Location;
use Chill\MainBundle\Entity\Scope;
use Chill\MainBundle\Entity\User;
use Chill\MainBundle\Entity\UserJob;
use Chill\MainBundle\Templating\Entity\UserRender;
use Symfony\Component\Serializer\Normalizer\ContextAwareNormalizerInterface;
use Symfony\Component\Serializer\Normalizer\NormalizerAwareInterface;
use Symfony\Component\Serializer\Normalizer\NormalizerAwareTrait;

class UserNormalizer implements ContextAwareNormalizerInterface, NormalizerAwareInterface
{
    use NormalizerAwareTrait;

    public const NULL_USER = [
        'type' => 'user',
        'id' => '',
        'username' => '',
        'text' => '',
        'label' => '',
        'email' => '',
    ];

    private UserRender $userRender;

    public function __construct(UserRender $userRender)
    {
        $this->userRender = $userRender;
    }

    public function normalize($user, $format = null, array $context = [])
    {
        /** @var User $user */
        $userJobContext = array_merge(
            $context,
            ['docgen:expects' => UserJob::class, 'groups' => 'docgen:read']
        );
        $scopeContext = array_merge(
            $context,
            ['docgen:expects' => Scope::class, 'groups' => 'docgen:read']
        );
        $centerContext = array_merge(
            $context,
            ['docgen:expects' => Center::class, 'groups' => 'docgen:read']
        );
        $locationContext = array_merge(
            $context,
            ['docgen:expects' => Location::class, 'groups' => 'dogen:read']
        );

        if (null === $user && 'docgen' === $format) {
            return array_merge(self::NULL_USER, [
                'user_job' => $this->normalizer->normalize(null, $format, $userJobContext),
                'main_center' => $this->normalizer->normalize(null, $format, $centerContext),
                'main_scope' => $this->normalizer->normalize(null, $format, $scopeContext),
                'current_location' => $this->normalizer->normalize(null, $format, $locationContext),
            ]);
        }

        $data = [
            'type' => 'user',
            'id' => $user->getId(),
            'username' => $user->getUsername(),
            'text' => $this->userRender->renderString($user, []),
            'label' => $user->getLabel(),
            'email' => (string) $user->getEmail(),
            'user_job' => $this->normalizer->normalize($user->getUserJob(), $format, $userJobContext),
            'main_center' => $this->normalizer->normalize($user->getMainCenter(), $format, $centerContext),
            'main_scope' => $this->normalizer->normalize($user->getMainScope(), $format, $scopeContext),
        ];

        if ('docgen' === $format) {
            $data['current_location'] = $this->normalizer->normalize($user->getCurrentLocation(), $format, $locationContext);
        }

        return $data;
    }

    public function supportsNormalization($data, $format = null, array $context = []): bool
    {
        if ($data instanceof User && ('json' === $format || 'docgen' === $format)) {
            return true;
        }

        if (null === $data && 'docgen' === $format && User::class === ($context['docgen:expects'] ?? null)) {
            return true;
        }

        return false;
    }
}