<?php

declare(strict_types=1);

namespace App\Uploads\Services;

use Illuminate\Support\Facades\DB;
use Illuminate\Support\Str;

final class SlugService
{
    public function makeSlug(string $title): string
    {
        $base = Str::slug($title);
        if ($base === '') {
            $base = 'artwork';
        }

        $candidate = $base;
        $suffix = 2;

        while ($this->publishedSlugExists($candidate)) {
            $candidate = $base . '-' . $suffix;
            $suffix++;
        }

        return $candidate;
    }

    private function publishedSlugExists(string $slug): bool
    {
        return DB::table('uploads')
            ->where('status', 'published')
            ->where('slug', $slug)
            ->exists();
    }
}