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

vi.mock("@/server/lib/runtime-env", () => ({
  getRequiredEnvValue: vi.fn(async () => "encoded-credentials"),
}));

import { dataforseoPost } from "@/server/lib/dataforseo/core";

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

describe("DataForSEO transport", () => {
  it("retries a transient 5xx on idempotent reads and returns the parsed envelope", async () => {
    const fetchMock = vi
      .fn<typeof fetch>()
      .mockResolvedValueOnce(new Response("upstream failure", { status: 503 }))
      .mockResolvedValueOnce(Response.json({ status_code: 20000, tasks: [] }));
    vi.stubGlobal("fetch", fetchMock);

    await expect(
      dataforseoPost("/v3/backlinks/summary/live", []),
    ).resolves.toEqual({ status_code: 20000, tasks: [] });
    expect(fetchMock).toHaveBeenCalledTimes(2);

    const [url, init] = fetchMock.mock.calls[0];
    expect(url).toBe("https://api.dataforseo.com/v3/backlinks/summary/live");
    expect(new Headers(init?.headers).get("Authorization")).toBe(
      "Basic encoded-credentials",
    );
  });
});