<?php
/*
 *
 * Copyright (C) 2014-2021, Champs Libres Cooperative SCRLFS, <http://www.champs-libres.coop>
 *
 * This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 *  License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
namespace Chill\PersonBundle\Serializer\Normalizer;

use Chill\MainBundle\Entity\Center;
use Chill\PersonBundle\Entity\Household\Household;
use Chill\PersonBundle\Entity\Person;
use Symfony\Component\Serializer\Normalizer\DenormalizerAwareInterface;
use Symfony\Component\Serializer\Normalizer\DenormalizerAwareTrait;
use Symfony\Component\Serializer\Normalizer\NormalizerAwareTrait;
use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
use Symfony\Component\Serializer\Normalizer\DenormalizerInterface;
use Symfony\Component\Serializer\Normalizer\NormalizerAwareInterface;
use Chill\PersonBundle\Repository\PersonRepository;
use Symfony\Component\Serializer\Exception\RuntimeException;
use Symfony\Component\Serializer\Exception\UnexpectedValueException;
use Chill\MainBundle\Templating\Entity\ChillEntityRenderExtension;
use Symfony\Component\Serializer\Normalizer\AbstractNormalizer;
use Symfony\Component\Serializer\Normalizer\ObjectToPopulateTrait;

/**
 * Serialize a Person entity
 *
 */
class PersonNormalizer implements
    NormalizerInterface,
    NormalizerAwareInterface,
    DenormalizerInterface,
    DenormalizerAwareInterface
{
    private ChillEntityRenderExtension $render;

    private PersonRepository $repository;

    use NormalizerAwareTrait;

    use ObjectToPopulateTrait;

    use DenormalizerAwareTrait;

    public function __construct(ChillEntityRenderExtension $render, PersonRepository $repository)
    {
        $this->render = $render;
        $this->repository = $repository;
    }

    public function normalize($person, string $format = null, array $context = array())
    {
        /** @var Household $household */
        $household = $person->getCurrentHousehold();

        /** @var Person $person */
        return [
            'type' => 'person',
            'id' => $person->getId(),
            'text' => $this->render->renderString($person),
            'firstName' => $person->getFirstName(),
            'lastName' => $person->getLastName(),
            'birthdate' => $this->normalizer->normalize($person->getBirthdate()),
            'center' => $this->normalizer->normalize($person->getCenter()),
            'phonenumber' => $person->getPhonenumber(),
            'mobilenumber' => $person->getMobilenumber(),
            'altNames' => $this->normalizeAltNames($person->getAltNames()),
            'gender' => $person->getGender(),
            'gender_numeric' => $person->getGenderNumeric(),
            'current_household_address' => $this->normalizer->normalize($person->getCurrentHouseholdAddress()),
            'current_household_id' => $household ? $this->normalizer->normalize($household->getId()) : null,
        ];
    }

    protected function normalizeAltNames($altNames): array
    {
        $r = [];

        foreach ($altNames as $n) {
            $r[] = [ 'key' => $n->getKey(), 'label' => $n->getLabel() ];
        }

        return $r;
    }


    public function supportsNormalization($data, string $format = null): bool
    {
        return $data instanceof Person;
    }

    public function denormalize($data, string $type, string $format = null, array $context = [])
    {
        $person = $this->extractObjectToPopulate($type, $context);

        if (\array_key_exists('id', $data)) {
            $person = $this->repository->find($data['id']);

            if (null === $person) {
                throw new UnexpectedValueException("The person with id \"{$data['id']}\" does ".
                    "not exists");
            }
            // currently, not allowed to update a person through api
            // if instantiated with id
            return $person;
        }

        if (null === $person) {
            $person = new Person();
        }

        foreach (['firstName', 'lastName', 'phonenumber', 'mobilenumber', 'gender']
            as $item) {
            if (\array_key_exists($item, $data)) {
                $person->{'set'.\ucfirst($item)}($data[$item]);
            }
        }

        foreach ([
            'birthdate' => \DateTime::class,
            'center' => Center::class
        ] as $item => $class) {
            if (\array_key_exists($item, $data)) {
                $object = $this->denormalizer->denormalize($data[$item], $class, $format, $context);
                if ($object instanceof $class) {
                    $person->{'set'.\ucfirst($item)}($object);
                }
            }
        }

        return $person;
    }

    public function supportsDenormalization($data, string $type, string $format = null)
    {
        return $type === Person::class && ($data['type'] ?? NULL) === 'person';
    }
}