<?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\MainBundle\Serializer\Normalizer;

use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\Serializer\Normalizer\ContextAwareNormalizerInterface;
use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
use Symfony\Component\Serializer\Normalizer\DenormalizerInterface;
use Symfony\Component\Serializer\Normalizer\AbstractNormalizer;

class DateNormalizer implements ContextAwareNormalizerInterface, DenormalizerInterface
{
    private RequestStack $requestStack;
    private ParameterBagInterface $parameterBag;

    public function __construct(RequestStack $requestStack, ParameterBagInterface $parameterBag)
    {
        $this->requestStack = $requestStack;
        $this->parameterBag = $parameterBag;
    }

    public function normalize($date, string $format = null, array $context = array())
    {
        /** @var \DateTimeInterface $date */
        switch($format) {
            case 'json':
                return [
                    'datetime' => $date->format(\DateTimeInterface::ISO8601)
                ];
            case 'docgen':

                if (null === $date) {
                    return [
                        'long' => '', 'short' => ''
                    ];
                }

                $hasTime = $date->format('His') !== "000000";
                $request = $this->requestStack->getCurrentRequest();
                $locale = null !== $request ? $request->getLocale() : $this->parameterBag->get('kernel.default_locale');
                $formatterLong = \IntlDateFormatter::create(
                    $locale,
                    \IntlDateFormatter::LONG,
                    $hasTime ? \IntlDateFormatter::SHORT: \IntlDateFormatter::NONE
                );
                $formatterShort = \IntlDateFormatter::create(
                    $locale,
                    \IntlDateFormatter::SHORT,
                    $hasTime ? \IntlDateFormatter::SHORT: \IntlDateFormatter::NONE
                );

                return [
                    'short' => $formatterShort->format($date),
                    'long' => $formatterLong->format($date)
                ];
        }
    }

    public function supportsNormalization($data, string $format = null, array $context = []): bool
    {
        if ($format === 'json') {
            return $data instanceof \DateTimeInterface;
        } elseif ($format === 'docgen') {
            return $data instanceof \DateTimeInterface || (
                $data === null
                && \array_key_exists('docgen:expects', $context)
                && (
                    $context['docgen:expects']  === \DateTimeInterface::class
                    || $context['docgen:expects']  === \DateTime::class
                    || $context['docgen:expects']  === \DateTimeImmutable::class
                )
            );
        }

        return false;
    }

    public function denormalize($data, string $type, string $format = null, array $context = [])
    {
        switch ($type) {
            case \DateTime::class:
                return \DateTime::createFromFormat(\DateTimeInterface::ISO8601, $data['datetime']);
            case \DateTimeInterface::class:
            case \DateTimeImmutable::class:
            default:
                return \DateTimeImmutable::createFromFormat(\DateTimeInterface::ISO8601, $data['datetime']);
        }
    }

    public function supportsDenormalization($data, string $type, string $format = null): bool
    {
        return $type === \DateTimeInterface::class ||
            $type === \DateTime::class ||
            $type === \DateTimeImmutable::class ||
            (\is_array($data) && array_key_exists('datetime', $data));
    }
}