// WebSocket Protocol Types (Gateway <-> Bot)

export interface PlayAudioMessage {
  type: 'playAudio';
  sessionId: string;
  audio: {
    format: 'mp3' | 'pcm' | 'wav';
    data: string; // base64 encoded
  };
}

export interface TranscriptMessage {
  type: 'transcript';
  sessionId: string;
  transcript: {
    speaker: string;
    text: string;
    timestamp: string;
    isFinal: boolean;
  };
}

export interface StatusMessage {
  type: 'status';
  sessionId: string;
  status: 'connecting' | 'in_lobby' | 'joined' | 'left' | 'error';
  message?: string;
}

export interface JoinMeetingMessage {
  type: 'joinMeeting';
  sessionId: string;
  meetingUrl: string;
  botName?: string;
}

export interface LeaveMeetingMessage {
  type: 'leaveMeeting';
  sessionId: string;
}

export type GatewayToBot = PlayAudioMessage | JoinMeetingMessage | LeaveMeetingMessage;
export type BotToGateway = TranscriptMessage | StatusMessage;

// Bot State
export type BotState = 
  | 'idle'
  | 'launching'
  | 'navigating'
  | 'in_lobby'
  | 'in_meeting'
  | 'leaving'
  | 'error'
  | 'disconnected';

// Session
export interface BotSession {
  sessionId: string;
  meetingUrl: string;
  botName: string;
  state: BotState;
  createdAt: Date;
  joinedAt?: Date;
  leftAt?: Date;
  error?: string;
}

// Transcript Entry
export interface TranscriptEntry {
  speaker: string;
  text: string;
  timestamp: Date;
  isFinal: boolean;
}

// Meeting URL Types
export interface ParsedMeetingUrl {
  type: 'classic' | 'short';
  originalUrl: string;
  meetingId?: string;
  passcode?: string;
}