<?php

declare(strict_types=1);

namespace Silex\Gateway;

use DateTime;
use PDO;
use Silex\Model\Comment;

class CommentGateway
{
	private PDO $pdo;

    public function __construct(PDO $pdo)
    {
        $this->pdo = $pdo;
    }

    /**
     * @return Comment[]
     */
    public function getByNewsId(int $id): array 
    {
        $req = $this->pdo->prepare('SELECT * FROM comment WHERE news_id = :id ORDER BY publication_date DESC');
        $req->bindValue(':id', $id, PDO::PARAM_INT);
        if (!$req->execute()) {
            return [];
        }
        $comments = [];
        while ($data = $req->fetch()) {
            $comments[] = $this->createComment($data);
        }
        return $comments;
    }

    private function createComment(array $data): Comment
    {
        return new Comment(intval($data['id_comment']),intval($data['news_id']), DateTime::createFromFormat('Y-m-d H:i:s', $data['publication_date']), $data['content'], intval($data['author_id']));
    }
}