<?php

declare(strict_types=1);

namespace App\State\Bovin;

use ApiPlatform\Metadata\Operation;
use ApiPlatform\State\ProviderInterface;
use App\ApiResource\BovinReturnedDossiers;
use App\Service\AnimalSummaryMapper;
use DateTimeImmutable;
use Exception;
use Malio\EdnotifBundle\Bovin\Api\BovinApiInterface;

/**
 * @implements ProviderInterface<null|BovinReturnedDossiers>
 */
final class BovinReturnedDossiersProvider implements ProviderInterface
{
    public function __construct(
        private BovinApiInterface $bovinApi,
        private AnimalSummaryMapper $animalSummaryMapper,
    ) {}

    public function provide(Operation $operation, array $uriVariables = [], array $context = []): ?BovinReturnedDossiers
    {
        $startDateRaw = (string) ($uriVariables['startDate'] ?? '');
        if ('' === $startDateRaw) {
            return null;
        }

        try {
            $startDate = new DateTimeImmutable($startDateRaw);
        } catch (Exception) {
            return null;
        }

        $dto = $this->bovinApi->getReturnedDossiers($startDate);

        $resource            = new BovinReturnedDossiers();
        $resource->startDate = $dto->startDate?->format('Y-m-d') ?? $startDate->format('Y-m-d');
        $resource->nbBovins  = $dto->nbBovins;

        foreach ($dto->animals as $animalDto) {
            $resource->animals[] = $this->animalSummaryMapper->map($animalDto);
        }

        return $resource;
    }
}