// 观影室相关类型定义

export interface Room {
  id: string;
  name: string;
  description: string;
  password?: string;
  isPublic: boolean;
  roomType: RoomType;
  ownerId: string;
  ownerName: string;
  ownerToken: string; // 房主令牌，用于重连时验证身份
  memberCount: number;
  currentState: PlayState | LiveState | ScreenState | MusicState | null;
  createdAt: number;
  lastOwnerHeartbeat: number;
}

export type RoomType = 'sync' | 'screen' | 'music';

export interface Member {
  id: string;
  name: string;
  isOwner: boolean;
  lastHeartbeat: number;
}

export interface PlayState {
  type: 'play';
  url: string;
  currentTime: number;
  isPlaying: boolean;
  videoId: string;
  videoName: string;
  videoYear?: string;
  searchTitle?: string;
  episode?: number;
  source: string;
}

export interface LiveState {
  type: 'live';
  channelId: string;
  channelName: string;
  channelUrl: string;
}

export interface ScreenState {
  type: 'screen';
  status: 'idle' | 'sharing';
  ownerName: string;
  hasAudio?: boolean;
  startedAt?: number;
}

export interface MusicQueueItem {
  id: string;
  name: string;
  artist: string;
  album?: string;
  pic?: string;
  platform: string;
  songmid?: string;
  duration?: number;
  durationText?: string;
}

export interface MusicState {
  type: 'music';
  queue: MusicQueueItem[];
  currentIndex: number;
  song: MusicQueueItem;
  currentTime: number;
  isPlaying: boolean;
  quality: string;
  playMode: 'loop' | 'single' | 'random';
  updatedAt: number;
}

export interface ChatMessage {
  id: string;
  userId: string;
  userName: string;
  content: string;
  type: 'text' | 'emoji';
  timestamp: number;
}

export interface RoomMemberInfo {
  roomId: string;
  userId: string;
  userName: string;
  isOwner: boolean;
}

// Socket.IO 事件类型
export interface ServerToClientEvents {
  'room:created': (room: Room) => void;
  'room:joined': (data: { room: Room; members: Member[] }) => void;
  'room:left': () => void;
  'room:list': (rooms: Room[]) => void;
  'room:member-joined': (member: Member) => void;
  'room:member-left': (userId: string) => void;
  'room:deleted': () => void;
  'play:update': (state: PlayState) => void;
  'play:seek': (currentTime: number) => void;
  'play:play': () => void;
  'play:pause': () => void;
  'play:change': (state: PlayState) => void;
  'live:change': (state: LiveState) => void;
  'screen:start': (state: ScreenState) => void;
  'screen:stop': () => void;
  'screen:viewer-ready': (data: { userId: string }) => void;
  'screen:offer': (data: { userId: string; offer: RTCSessionDescriptionInit }) => void;
  'screen:answer': (data: { userId: string; answer: RTCSessionDescriptionInit }) => void;
  'screen:ice': (data: { userId: string; candidate: RTCIceCandidateInit }) => void;
  'music:change': (state: MusicState) => void;
  'music:update': (state: MusicState) => void;
  'music:play': (state: MusicState) => void;
  'music:pause': (state: MusicState) => void;
  'music:seek': (state: MusicState) => void;
  'music:queue': (state: MusicState) => void;
  'chat:message': (message: ChatMessage) => void;
  'voice:offer': (data: { userId: string; offer: RTCSessionDescriptionInit }) => void;
  'voice:answer': (data: { userId: string; answer: RTCSessionDescriptionInit }) => void;
  'voice:ice': (data: { userId: string; candidate: RTCIceCandidateInit }) => void;
  'voice:mic-enabled': (data: { userId: string }) => void;
  'voice:audio-chunk': (data: { userId: string; audioData: number[]; sampleRate?: number }) => void;
  'state:cleared': () => void;
  'heartbeat:pong': (data: { timestamp: number }) => void;
  'error': (message: string) => void;
}

export interface ClientToServerEvents {
  'room:create': (data: {
    name: string;
    description: string;
    password?: string;
    isPublic: boolean;
    roomType: RoomType;
    userName: string;
  }, callback: (response: { success: boolean; room?: Room; error?: string }) => void) => void;

  'room:join': (data: {
    roomId: string;
    password?: string;
    userName: string;
    ownerToken?: string; // 房主令牌，用于重连时恢复房主身份
  }, callback: (response: { success: boolean; room?: Room; members?: Member[]; error?: string }) => void) => void;

  'room:leave': () => void;

  'room:list': (callback: (rooms: Room[]) => void) => void;

  'play:update': (state: PlayState) => void;
  'play:seek': (currentTime: number) => void;
  'play:play': () => void;
  'play:pause': () => void;
  'play:change': (state: PlayState) => void;

  'live:change': (state: LiveState) => void;
  'screen:helper-register': (data: {
    roomId: string;
    ownerToken: string;
  }, callback: (response: { success: boolean; error?: string }) => void) => void;
  'screen:start': (state: ScreenState) => void;
  'screen:stop': () => void;
  'screen:viewer-ready': () => void;
  'screen:offer': (data: { targetUserId: string; offer: RTCSessionDescriptionInit }) => void;
  'screen:answer': (data: { targetUserId: string; answer: RTCSessionDescriptionInit }) => void;
  'screen:ice': (data: { targetUserId: string; candidate: RTCIceCandidateInit }) => void;
  'music:change': (state: MusicState) => void;
  'music:update': (state: MusicState) => void;
  'music:play': (state: MusicState) => void;
  'music:pause': (state: MusicState) => void;
  'music:seek': (state: MusicState) => void;
  'music:queue': (state: MusicState) => void;

  'chat:message': (data: { content: string; type: 'text' | 'emoji' }) => void;

  'voice:offer': (data: { targetUserId: string; offer: RTCSessionDescriptionInit }) => void;
  'voice:answer': (data: { targetUserId: string; answer: RTCSessionDescriptionInit }) => void;
  'voice:ice': (data: { targetUserId: string; candidate: RTCIceCandidateInit }) => void;
  'voice:audio-chunk': (data: { roomId: string; audioData: number[]; sampleRate?: number }) => void;

  'state:clear': (callback?: (response: { success: boolean; error?: string }) => void) => void;

  'heartbeat': () => void;
}

// 配置类型
export interface WatchRoomConfig {
  enabled: boolean;
  serverType: 'internal' | 'external';
  externalServerUrl?: string;
  externalServerAuth?: string; // 通过 /api/watch-room-auth 接口获取（需要登录）
}

// LocalStorage 存储的房间信息
export interface StoredRoomInfo {
  roomId: string;
  roomName: string;
  isOwner: boolean;
  userName: string;
  password?: string;
  ownerToken?: string; // 房主令牌
  timestamp: number;
}