// Messages between the recorder page (which owns the media streams) and the pop-out teleprompter.

export type RecPhase = 'setup' | 'countdown' | 'recording' | 'paused' | 'processing';

export interface RecState {
  phase: RecPhase;
  elapsed: number;
  countdown: number;
  canStart: boolean;
  message?: string;
}

export type RecCommand = 'start' | 'pause' | 'resume' | 'stop' | 'hello';

export type RecMessage = { type: 'state'; state: RecState } | { type: 'command'; cmd: RecCommand } | { type: 'closed' };

export const channelName = (videoId: string) => `takes-recorder-${videoId}`;