import { afterEach, expect, test } from "bun:test";
import { setHttpFetchTransport } from "../../../utils/http-transport";
import { resetThirteenFApiPersistence } from "../thirteenf/api";
import { bestFundMatch, loadHolder13FMatches } from "./thirteenf-match";
import type { HolderRow } from "./types";
afterEach(() => { setHttpFetchTransport(null); resetThirteenFApiPersistence(); });

test("manager matching rejects ambiguous subsidiaries, empty names and substring collisions", () => {
  const funds = [{ cik: "1", name: "Acme Capital Partners L.P." }, { cik: "2", name: "Acme Capital Advisors LLC" }];
  expect(bestFundMatch("Acme Capital", funds)).toBeUndefined();
  expect(bestFundMatch("Inc.", funds)).toBeUndefined();
  expect(bestFundMatch("Capital", funds)).toBeUndefined();
  expect(bestFundMatch("Capital Partners", [{ cik: "3", name: "Noncapital Partners" }])).toBeUndefined();
  expect(bestFundMatch("Acme Capital Partners LP", funds)?.cik).toBe("1");
  expect(bestFundMatch("Acme Capital Partners", [{ cik: "1", name: "Acme Capital Partners" }, { cik: "2", name: "Acme Capital Partners LLC" }])).toBeUndefined();
  expect(bestFundMatch("Acme Capital Partners", [...funds, funds[0]!])?.cik).toBe("1");
});

test("holder metadata combines additive amendments instead of showing just the added positions", async () => {
  setHttpFetchTransport(async url => {
    const path = new URL(String(url)).pathname;
    const payload = path.endsWith("/funds") ? [{ cik: "1", name: "Acme Capital Partners LP" }] : [
      { cik: "1", company_name: "Acme Capital Partners LP", accession_number: "addition", period_of_report: "2026-06-30", filed_as_of_date: "2026-08-20", submission_type: "13F-HR/A", amendment_type: "NEW HOLDINGS", table_value_total: 20, table_entry_total: 1 },
      { cik: "1", company_name: "Acme Capital Partners LP", accession_number: "base", period_of_report: "2026-06-30", filed_as_of_date: "2026-08-10", submission_type: "13F-HR", table_value_total: 100, table_entry_total: 2 },
    ];
    return new Response(JSON.stringify(payload), { headers: { "Content-Type": "application/json" } });
  });
  const result = await loadHolder13FMatches([{ id: "holder", name: "Acme Capital Partners" } as HolderRow], new AbortController().signal);
  expect(result.get("holder")).toMatchObject({ cik: "0000000001", tableValueTotal: 120, periodOfReport: "2026-06-30", filedAsOfDate: "2026-08-20" });
});