import { normalizeInlineText } from "./voiceSessionHelpers.ts";

export type VoiceToolResultSummary = Record<string, unknown> | string | null;

const MAX_RESULT_PREVIEW_CHARS = 400;

function isObjectRecord(value: unknown): value is Record<string, unknown> { return Boolean(value) && typeof value === "object" && !Array.isArray(value); }

function truncateRawSummary(value: unknown, maxChars = MAX_RESULT_PREVIEW_CHARS) { const raw = normalizeInlineText(value, maxChars); if (!raw) return null; return raw.length > maxChars ? raw.slice(0, maxChars) + "..." : raw; }

function parseVoiceToolResultPayload(content: unknown) { if (isObjectRecord(content)) return content; const text = String(content || "").trim(); if (!text) return null; try { const parsed = JSON.parse(text); return isObjectRecord(parsed) ? parsed : null; } catch { return null; } }

function summarizeVoiceToolPayload( toolName: string, payload: Record<string, unknown>, rawContent: unknown = null ): VoiceToolResultSummary { const name = String(toolName || "").trim().toLowerCase();

if ( name === "video_search" || name === "video_play" || name === "music_search" || name === "music_play" || name === "music_queue_add" || name === "music_queue_next" ) { const results = Array.isArray(payload.results) ? payload.results : []; const options = Array.isArray(payload.options) ? payload.options : []; const resultSummaries = results.slice(0, 5).map((row: unknown) => { if (!isObjectRecord(row)) return null; return { title: normalizeInlineText(row.title, 80) || null, id: normalizeInlineText(row.id, 60) || null, platform: normalizeInlineText(row.platform, 20) || null, channel: normalizeInlineText(row.channel || row.artist || row.artists, 60) || null, url: normalizeInlineText(row.url, 120) || null }; }).filter(Boolean); const optionSummaries = options.slice(0, 5).map((row: unknown) => { if (!isObjectRecord(row)) return null; return { title: normalizeInlineText(row.title, 80) || null, id: normalizeInlineText(row.id, 60) || null, selectionId: normalizeInlineText(row.selection_id || row.id, 60) || null, platform: normalizeInlineText(row.platform, 20) || null, channel: normalizeInlineText(row.channel || row.artist || row.artists, 60) || null, url: normalizeInlineText(row.url || row.streamUrl, 120) || null }; }).filter(Boolean); const hasResultSummaries = resultSummaries.length > 0; const hasOptionSummaries = optionSummaries.length > 0; return { ok: payload.ok ?? null, status: normalizeInlineText(payload.status, 60) || null, resultCount: results.length, optionCount: options.length, results: hasResultSummaries ? resultSummaries : hasOptionSummaries ? optionSummaries : null, disambiguationOptions: hasOptionSummaries ? optionSummaries : null, selectedId: normalizeInlineText(payload.selectedId || payload.selection_id, 60) || null, trackTitle: normalizeInlineText(payload.title || payload.trackTitle, 80) || null, trackId: normalizeInlineText(payload.trackId || payload.id, 60) || null, playing: payload.playing ?? null, error: normalizeInlineText(payload.error, 200) || null }; }

if (name === "browser_browse") { return { ok: payload.ok ?? null, sessionId: normalizeInlineText(payload.session_id, 40) || null, completed: payload.completed ?? null, error: normalizeInlineText(payload.error, 200) || null, resultChars: String(rawContent || "").length || null }; }

if (name === "web_search") { const results = Array.isArray(payload.results) ? payload.results : []; return { ok: payload.ok ?? null, resultCount: results.length, resultTitles: results.slice(0, 3).map((row: unknown) => normalizeInlineText(isObjectRecord(row) ? row.title : "", 80) ).filter(Boolean), error: normalizeInlineText(payload.error, 200) || null }; }

if (name === "memory_write" || name === "memory_search") { return { ok: payload.ok ?? null, count: Array.isArray(payload.written) ? payload.written.length : Array.isArray(payload.results) ? payload.results.length : null, error: normalizeInlineText(payload.error, 200) || null }; }

if (name === "start_screen_watch" || name === "stop_screen_watch") { return { ok: payload.ok ?? null, started: payload.started ?? null, stopped: payload.stopped ?? null, reused: payload.reused ?? null, transport: normalizeInlineText(payload.transport, 40) || null, reason: normalizeInlineText(payload.reason, 120) || null, targetUserId: normalizeInlineText(payload.targetUserId, 80) || null, frameReady: payload.frameReady ?? null, expiresInMinutes: Number.isFinite(Number(payload.expiresInMinutes)) ? Math.max(0, Math.round(Number(payload.expiresInMinutes))) : null, error: normalizeInlineText(payload.error, 200) || null }; }

const genericSummary = { ok: payload.ok ?? null, status: normalizeInlineText(payload.status, 60) || null, resultCount: Array.isArray(payload.results) ? payload.results.length : Array.isArray(payload.written) ? payload.written.length : null, error: normalizeInlineText(payload.error, 200) || null };

if (Object.values(genericSummary).some((value) => value !== null && value !== "")) { return genericSummary; }

return truncateRawSummary(rawContent); }

export function summarizeVoiceToolResult( toolName: string, content: unknown ): VoiceToolResultSummary { const payload = parseVoiceToolResultPayload(content); if (payload) { return summarizeVoiceToolPayload(toolName, payload, content); } return truncateRawSummary(content); }

export function summarizeVoiceToolError(content: unknown) { const payload = parseVoiceToolResultPayload(content); const payloadError = payload?.error; if (isObjectRecord(payloadError)) { const message = normalizeInlineText(payloadError.message, 280); if (message) return message; } const errorText = normalizeInlineText(payloadError, 280); if (errorText) return errorText; return normalizeInlineText(content, 280) || null; }

export function formatVoiceToolResultSummary( summary: VoiceToolResultSummary, maxChars = 240 ) { if (summary == null) return null; if (typeof summary === "string") { return normalizeInlineText(summary, maxChars) || null; } try { return normalizeInlineText(JSON.stringify(summary), maxChars) || null; } catch { return normalizeInlineText(String(summary), maxChars) || null; } }