"use client";

// Global conversation search. Live path calls the be-crm data door (crm.search → IIOS Meilisearch,
// permission-scoped there); demo path filters a small in-memory set. Search is imperative (the query
// changes on every keystroke), so it uses sdk.query directly rather than the cached useQuery hook.

import { useCallback } from "react";
import { useAppShell } from "@abe-kap/appshell-sdk/react";
import { isShellConfigured } from "./appshell";

export interface SearchResult {
  interactionId: string;
  threadId: string;
  surface: "messenger" | "inbox";
  title: string;
  /** Snippet with <em>…</em> around the matched terms. */
  snippet: string;
  at: number;
}

export type SearchFn = (query: string) => Promise<SearchResult[]>;

const MOCK: SearchResult[] = [
  { interactionId: "s1", threadId: "th_mock_1", surface: "messenger", title: "Sofia Ramirez", snippet: "Can you confirm the <em>Henderson</em> scope?", at: Date.now() },
  { interactionId: "s2", threadId: "th_mock_2", surface: "messenger", title: "Storm response — East side", snippet: "Crew is <em>rolling</em> out at 7", at: Date.now() },
  { interactionId: "s3", threadId: "mt_invoice", surface: "inbox", title: "Invoice #1042 — Acme Roofing", snippet: "Attached is <em>invoice</em> #1042 for the East-side job", at: Date.now() },
];

const SHELL = isShellConfigured();

function useLiveSearch(): SearchFn {
  const { sdk } = useAppShell();
  return useCallback(async (query: string) => {
    const q = query.trim();
    if (!q) return [];
    return sdk.query<SearchResult[]>("crm.search", { query: q, limit: 20 });
  }, [sdk]);
}

function useMockSearch(): SearchFn {
  return useCallback(async (query: string) => {
    const q = query.trim().toLowerCase();
    if (!q) return [];
    return MOCK.filter((m) => (m.title + " " + m.snippet).toLowerCase().includes(q));
  }, []);
}

export function useGlobalSearch(): SearchFn {
  return SHELL ? useLiveSearch() : useMockSearch();
}