import type { LoggedVoicePromptBundle, VoiceLivePromptSlot, VoiceLivePromptState, VoiceSession } from "./voiceSessionTypes.ts";

export function createEmptyVoiceLivePromptState(): VoiceLivePromptState { return { classifier: null, generation: null, bridge: null }; }

export function setVoiceLivePromptSnapshot( session: VoiceSession | null | undefined, slot: VoiceLivePromptSlot, { replyPrompts = null, source = null, updatedAt = Date.now() }: { replyPrompts?: LoggedVoicePromptBundle | null; source?: string | null; updatedAt?: number; } = {} ) { if (!session || !replyPrompts) return null;

const state = session.livePromptState && typeof session.livePromptState === "object" ? session.livePromptState : createEmptyVoiceLivePromptState(); const normalizedUpdatedAt = Number.isFinite(Number(updatedAt)) ? Math.max(0, Math.round(Number(updatedAt))) : Date.now();

const snapshot = { updatedAt: normalizedUpdatedAt, source: String(source || "").trim() || null, replyPrompts };

state[slot] = snapshot; session.livePromptState = state; return snapshot; }