<?php

namespace App\Set\UseCases\CreateSet;

use App\Element\CreateElementDto;
use App\Element\ElementRepository;
use App\Exceptions\BadRequestException;
use App\Set\CreateSetDto;
use App\Set\Set;
use App\Set\SetRepository;

class CreateSet
{
    public function __construct(
        private SetRepository $setRepo,
        private ElementRepository $elementRepo,
    ) {}

    /**
     * @throws BadRequestException
     */
    public function execute(CreateSetRequest $request): Set
    {
        if ($request->name === null || $request->name === '') {
            throw new BadRequestException('name is required');
        }

        $set = $this->setRepo->create(new CreateSetDto(
            name: $request->name,
        ));

        $this->elementRepo->create(new CreateElementDto(
            set: $set,
            title: $set->getName(),
            parentElement: null,
        ));

        return $set;
    }
}