<?php declare(strict_types=1);

namespace Amp\Websocket\Internal;

use Amp\Websocket\WebsocketCloseInfo;

/** @internal */
final class WebsocketClientMetadata
{
    /** @var int<0, max> Next sequential client ID. */
    private static int $nextId = 0;

    /** @var int<0, max> */
    public readonly int $id;

    public ?WebsocketCloseInfo $closeInfo = null;

    public readonly float $connectedAt;

    public float $lastReadAt = \NAN;

    public float $lastSentAt = \NAN;

    public float $lastDataReadAt = \NAN;

    public float $lastDataSentAt = \NAN;

    public float $lastHeartbeatAt = \NAN;

    /** @var int<0, max> */
    public int $bytesReceived = 0;

    /** @var int<0, max> */
    public int $bytesSent = 0;

    /** @var int<0, max> */
    public int $framesReceived = 0;

    /** @var int<0, max> */
    public int $framesSent = 0;

    /** @var int<0, max> */
    public int $messagesReceived = 0;

    /** @var int<0, max> */
    public int $messagesSent = 0;

    /** @var int<0, max> */
    public int $pingsReceived = 0;

    /** @var int<0, max> */
    public int $pingsSent = 0;

    /** @var int<0, max> */
    public int $pongsReceived = 0;

    /** @var int<0, max> */
    public int $pongsSent = 0;

    public function __construct(
        public readonly bool $compressionEnabled,
    ) {
        $this->id = self::$nextId++;

        $this->connectedAt = \microtime(true);
    }

    public function isClosed(): bool
    {
        return $this->closeInfo !== null;
    }
}