import { NullPrivateChannel } from "./null-private-channel";
import type { PresenceChannel } from "./presence-channel";

/**
 * This class represents a null presence channel.
 */
export class NullPresenceChannel
    extends NullPrivateChannel
    implements PresenceChannel
{
    /**
     * Register a callback to be called anytime the member list changes.
     */
    here(_callback: CallableFunction): this {
        return this;
    }

    /**
     * Listen for someone joining the channel.
     */
    joining(_callback: CallableFunction): this {
        return this;
    }

    /**
     * Send a whisper event to other clients in the channel.
     */
    whisper(_eventName: string, _data: Record<any, any>): this {
        return this;
    }

    /**
     * Listen for someone leaving the channel.
     */
    leaving(_callback: CallableFunction): this {
        return this;
    }
}