// Shared TypeScript types for the Nanobot UI

export type AgentState = "idle" | "listening" | "thinking" | "speaking";

// Messages sent FROM backend TO frontend via DataChannel
export type ServerMessage =
  | { type: "agent_state"; state: AgentState }
  | { type: "message"; content: string; is_progress: boolean }
  | { type: "toast"; kind: "text" | "image"; content: string; title: string; duration_ms: number }
  | { type: "choice"; request_id: string; question: string; choices: string[]; title: string }
  | { type: "error"; error: string }
  | { type: "pong" }
  // Legacy wire format still used by backend (role-based)
  | { role: string; text: string; timestamp?: string };

// Messages sent FROM frontend TO backend via DataChannel
export type ClientMessage =
  | { type: "voice-ptt"; pressed: boolean }
  | { type: "command"; command: string }
  | { type: "ui-response"; request_id: string; value: string }
  | { type: "ping" };

export interface LogLine {
  id: number;
  role: string;
  text: string;
  timestamp: string;
}

export interface ToastItem {
  id: number;
  kind: "text" | "image" | "choice";
  content: string;
  title: string;
  durationMs: number;
  // For choice toasts
  requestId?: string;
  question?: string;
  choices?: string[];
}

export interface RTCState {
  connected: boolean;
  connecting: boolean;
}