import { afterEach, expect, it, vi } from "vitest";
import { createEdgeTtsVoiceCatalog, fetchEdgeTtsVoices } from "./edge-tts-voices";

afterEach(() => vi.unstubAllGlobals());

it("deduplicates simultaneous catalog loads and refreshes after one hour", async () => {
  let now = 0;
  const load = vi.fn(async () => [{ id: "zh-CN-XiaoxiaoNeural", name: "Xiaoxiao", locale: "zh-CN" as const, gender: "Female" as const }]);
  const catalog = createEdgeTtsVoiceCatalog(load, () => now);
  const [first, second] = await Promise.all([catalog(), catalog()]);
  expect(first).toBe(second);
  expect(await catalog()).toBe(first);
  expect(load).toHaveBeenCalledOnce();
  now = 3_600_001;
  await catalog();
  expect(load).toHaveBeenCalledTimes(2);
});

it("requests v2 authentication and only exposes validated mainland Mandarin voices", async () => {
  const upstream = [
    { ShortName: "zh-CN-XiaoxiaoNeural", FriendlyName: "Xiaoxiao", Locale: "zh-CN", Gender: "Female" },
    { ShortName: "en-US-AriaNeural", FriendlyName: "Aria", Locale: "en-US", Gender: "Female" },
    { ShortName: "zh-HK-HiuMaanNeural", FriendlyName: "HiuMaan", Locale: "zh-HK", Gender: "Female" },
    { ShortName: "zh-TW-HsiaoChenNeural", FriendlyName: "HsiaoChen", Locale: "zh-TW", Gender: "Female" },
    { ShortName: "zh-CN-liaoning-XiaobeiNeural", FriendlyName: "Xiaobei", Locale: "zh-CN-liaoning", Gender: "Female" }
  ];
  const fetchMock = vi.fn(async () => new Response(JSON.stringify(upstream)));
  vi.stubGlobal("fetch", fetchMock);
  expect(await fetchEdgeTtsVoices()).toEqual([{ id: upstream[0].ShortName, name: "Xiaoxiao", locale: "zh-CN", gender: "Female" }]);
  const [url] = fetchMock.mock.calls[0] as unknown as [URL];
  expect(url.searchParams.get("Sec-MS-GEC-Version")).toMatch(/^2-/);
  expect(url.searchParams.get("Sec-MS-GEC")).toMatch(/^[0-9A-F]{16}-[0-9A-F]{64}$/);
  fetchMock.mockImplementation(async () => new Response(JSON.stringify([{ ...upstream[0], ShortName: "bad<xml>" }])));
  await expect(fetchEdgeTtsVoices()).rejects.toThrow();
});