<?php

namespace App\Post\UseCases\ClearFeaturedPost;

use App\Exceptions\BadRequestException;
use App\Exceptions\ForbiddenException;
use App\Post\Post;
use App\Post\PostRepository;

class ClearFeaturedPost
{
    public function __construct(
        private PostRepository $postRepo,
    ) {}

    /**
     * @throws BadRequestException
     * @throws ForbiddenException
     */
    public function execute(ClearFeaturedPostRequest $request): void
    {
        if (! $request->requesterIsAdmin) {
            throw new ForbiddenException(
                'only admins can unfeature a post'
            );
        }
        if ($request->postId <= 0) {
            throw new BadRequestException('postId must be positive');
        }

        $post = $this->postRepo->find($request->postId);
        if ($post === null) {
            return;
        }
        if (! $post->isFeatured()) {
            return;
        }

        $this->postRepo->update(new Post(
            id: $post->getId(),
            userId: $post->getUserId(),
            title: $post->getTitle(),
            body: $post->getBody(),
            createdAt: $post->getCreatedAt(),
            featureSlot: null,
        ));
    }
}