<?php

declare(strict_types=1);

namespace Lib\Websocket;

use Ratchet\MessageComponentInterface;
use Ratchet\ConnectionInterface;
use Exception;
use SplObjectStorage;

class ConnectionManager implements MessageComponentInterface
{
    protected SplObjectStorage $clients;

    public function __construct()
    {
        $this->clients = new SplObjectStorage;
    }

    public function onOpen(ConnectionInterface $conn): void
    {
        $this->clients->attach($conn);
        echo "New connection! ({$conn->resourceId})";
    }

    public function onMessage(ConnectionInterface $from, $msg): void
    {
        foreach ($this->clients as $client) {
            if ($from !== $client) {
                $client->send($msg);
            }
        }
    }

    public function onClose(ConnectionInterface $conn): void
    {
        $this->clients->detach($conn);
        echo "Connection {$conn->resourceId} has disconnected";
    }

    public function onError(ConnectionInterface $conn, Exception $e): void
    {
        echo "An error has occurred: {$e->getMessage()}";
        $conn->close();
    }
}