1
import type { RGB, Telemetry } from '@/shared/contracts/robot.ts';
2
import type { RoomStatus } from '@/shared/contracts/signaling.ts';
3
import type { NowPlaying } from '@/shared/contracts/track.ts';
4
import type { SpectrumFrame } from './protocol.ts';
5
 
6
export type SignalBuffer = { frame?: SpectrumFrame; at: number; count: number };
7
export type ConnectionPhase = 'idle' | 'connecting' | 'connected';
8
export type AccessState = 'checking' | 'required' | 'ready';
9
export type IssueSource = 'status' | 'heartbeat' | 'connection' | 'control';
10
export type CommandAck = {
11
  state: 'idle' | 'pending' | 'confirmed' | 'error';
12
  text: string;
13
  at: number;
14
  rtt?: number;
15
};
16
export type SessionState = {
17
  phase: ConnectionPhase;
18
  auth: AccessState;
19
  room: RoomStatus;
20
  viewerId?: string;
21
  telemetry?: Telemetry;
22
  led?: RGB;
23
  nowPlaying?: NowPlaying;
24
  paused?: boolean;
25
  message: string;
26
  issues: Partial<Record<IssueSource, string>>;
27
  busy: boolean;
28
  ack: CommandAck;
29
  muted: boolean;
30
  volume: number;
31
  audioBlocked: boolean;
32
  now: number;
33
  telemetryAt: number;
34
  received: number;
35
  spectrumCount: number;
36
  audio: { packets: number; bytes: number; kbps: number; lost: number; at: number };
37
};
38
export const initialState = (): SessionState => ({
39
  phase: 'idle',
40
  auth: 'checking',
41
  room: { online: false, viewers: 0, controller: null, generation: null },
42
  message: 'Checking the board…',
43
  issues: {},
44
  busy: false,
45
  ack: { state: 'idle', text: '', at: 0 },
46
  muted: false,
47
  volume: 0.45,
48
  audioBlocked: false,
49
  now: 0,
50
  telemetryAt: 0,
51
  received: 0,
52
  spectrumCount: 0,
53
  audio: { packets: 0, bytes: 0, kbps: 0, lost: 0, at: 0 },
54
});