<?php

namespace App\Element\UseCases\CreateChildElement;

use App\Element\CreateElementDto;
use App\Element\Element;
use App\Element\ElementRepository;
use App\Exceptions\BadRequestException;
use App\Exceptions\NotFoundException;

class CreateChildElement
{
    public function __construct(private ElementRepository $elementRepository)
    {
    }

    /**
     * @throws BadRequestException
     * @throws NotFoundException
     */
    public function execute(CreateChildElementRequest $request): Element
    {
        if ($request->parentElementId === null) {
            throw new BadRequestException('parentElementId is required');
        }

        if ($request->title === null || $request->title === '') {
            throw new BadRequestException('title is required');
        }

        $parentElement = $this->elementRepository->find(
            $request->parentElementId
        );
        if ($parentElement === null) {
            throw new NotFoundException('Parent element not found');
        }

        return $this->elementRepository->create(new CreateElementDto(
            set: $parentElement->getSet(),
            title: $request->title,
            description: '',
            iconImageUrl: null,
            richText: '',
            shortPdfPath: null,
            longPdfPath: null,
            youtubeUrl: null,
            parentElement: $parentElement,
        ));
    }
}