<?php

namespace App\Controllers;

use App\Element\ElementRepository;
use App\Set\Set as DomainSet;
use App\Set\SetRepository;
use Illuminate\Http\JsonResponse;

class SetController
{
    public function __construct(
        private SetRepository $setRepository,
        private ElementRepository $elementRepository,
    ) {
    }

    public function index(): JsonResponse
    {
        $sets = [];
        foreach ($this->setRepository->getAll() as $set) {
            $sets[] = $this->buildSetPayload($set);
        }

        return new JsonResponse([
            'sets' => $sets,
        ], 200);
    }

    /**
     * @return array{
     *     id: int,
     *     name: string,
     *     description: string,
     *     iconImageUrl: string,
     *     rootElementId: int|null
     * }
     */
    private function buildSetPayload(DomainSet $set): array
    {
        $rootElement = $this->elementRepository->findRootBySet($set);

        return [
            'id' => $set->getId(),
            'name' => $set->getName(),
            'description' => $set->getDescription(),
            'iconImageUrl' => $set->getIconImageUrl(),
            'rootElementId' => $rootElement?->getId(),
        ];
    }
}