import { describe, expect, it } from "vitest";

import { afterEach, describe, expect, it, vi } from "vitest";

import { detectZaiEndpoint } from "./detect.js";

const MAX_TIMER_TIMEOUT_MS = 2_147_000_000;

type FetchResponse = { status: number; body?: unknown };

function makeFetch(map: Record<string, FetchResponse>) {

}

describe("detectZaiEndpoint", () => {

afterEach(() => {

vi.restoreAllMocks();

});

it("resolves preferred/fallback endpoints and null when probes fail", async () => {

const scenarios: Array<{

endpoint?: "global" | "cn" | "coding-global" | "coding-cn";

}

}

});

it("caps oversized probe timeouts before scheduling", async () => {

const timeoutSpy = vi

.spyOn(globalThis, "setTimeout")

.mockImplementation((() => 1) as typeof setTimeout);

vi.spyOn(globalThis, "clearTimeout").mockImplementation(() => undefined);

const fetchFn = makeFetch({

"https://api.z.ai/api/paas/v4/chat/completions::glm-5.1": { status: 200 },

});

await detectZaiEndpoint({

apiKey: "sk-test", // pragma: allowlist secret

fetchFn,

timeoutMs: MAX_TIMER_TIMEOUT_MS + 1_000_000,

});

expect(timeoutSpy).toHaveBeenCalledWith(expect.any(Function), MAX_TIMER_TIMEOUT_MS);

});

});