import { fetchAgentRuntimeHealth } from "./agentRuntime";

const apiFetch = jest.fn();

jest.mock("@/lib/apiFetch", () => ({
  apiFetch: (...args: unknown[]) => apiFetch(...args),
}));

describe("fetchAgentRuntimeHealth", () => {
  beforeEach(() => {
    apiFetch.mockReset();
  });

  it("reports ready only after runtime warmup is complete", async () => {
    apiFetch.mockResolvedValueOnce({
      ok: true,
      json: async () => ({
        ok: true,
        ready: true,
        warmed_up: true,
        runtime: { healthy: true },
      }),
    });

    await expect(fetchAgentRuntimeHealth()).resolves.toBe(true);
    expect(apiFetch).toHaveBeenCalledWith(
      expect.stringContaining("/health"),
      expect.objectContaining({
        method: "GET",
        projectHeaderMode: "omit",
        skipAuthRedirect: true,
      }),
    );
  });

  it("reports unavailable when runtime health is not ready", async () => {
    apiFetch.mockResolvedValueOnce({
      ok: false,
      json: async () => ({ ok: false, ready: false, warmed_up: true }),
    });

    await expect(fetchAgentRuntimeHealth()).resolves.toBe(false);
  });
});