import type {IMessage} from '../messaging/IMessage';
import {MessageKind} from '../messaging/MessageKind';

/**
 * Interface for signaling client operations
 * Follows Interface Segregation Principle - focused interface for signaling
 */
export interface ISignalingClient {
  /**
   * Register a callback for a specific message type
   */
  on<T>(kind: MessageKind, callback: (message: IMessage<T>) => Promise<void>): void;

  /**
   * Send an offer to the signaling server
   */
  sendOffer(offer: RTCSessionDescriptionInit): Promise<void>;

  /**
   * Send an answer to the signaling server
   */
  sendAnswer(answer: RTCSessionDescriptionInit): Promise<void>;

  /**
   * Send an ICE candidate to the signaling server
   */
  sendCandidate(candidate: RTCIceCandidateInit): Promise<void>;
}