<?php

declare(strict_types=1);

namespace App\Post\Infrastructure;

use Netig\Netslim\Taxonomy\Contracts\TaxonUsageCheckerInterface;
use PDO;

/**
 * Vérifie si un terme de taxonomie est encore référencé par au moins un post.
 */
final readonly class PdoTaxonUsageChecker implements TaxonUsageCheckerInterface
{
    public function __construct(private PDO $db) {}

    public function isTaxonInUse(int $taxonId): bool
    {
        $stmt = $this->db->prepare('SELECT COUNT(*) FROM posts WHERE category_id = :category_id');
        $stmt->execute([':category_id' => $taxonId]);

        return (int) $stmt->fetchColumn() > 0;
    }
}