import {
  createProjectHealthSnapshot,
  getDemoAvailability,
  type ProjectHealthSnapshot,
} from "./project-health";

describe("project health snapshot", () => {
  const snapshot: ProjectHealthSnapshot = {
    checkedAt: "2026-07-10T11:55:00.000Z",
    projects: {
      online: {
        status: 200,
        contentType: "text/html; charset=utf-8",
        checkedAt: "2026-07-10T11:55:00.000Z",
      },
      redirect: {
        status: 301,
        contentType: "text/html",
        checkedAt: "2026-07-10T11:55:00.000Z",
      },
      stale: {
        status: 200,
        contentType: "text/html",
        checkedAt: "2026-07-10T10:30:00.000Z",
      },
    },
  };

  it("classifies demo availability from the latest observation", () => {
    expect(getDemoAvailability(null, undefined)).toBe("none");
    expect(getDemoAvailability("https://demo.example", undefined)).toBe(
      "unknown",
    );
    expect(
      getDemoAvailability("https://demo.example", {
        status: null,
        contentType: null,
        checkedAt: "2026-07-10T11:55:00.000Z",
        error: "network unavailable",
      }),
    ).toBe("unknown");
    expect(
      getDemoAvailability("https://demo.example", snapshot.projects.online),
    ).toBe("available");
    expect(
      getDemoAvailability("https://demo.example", snapshot.projects.redirect),
    ).toBe("unavailable");
    expect(
      getDemoAvailability("https://demo.example", {
        status: 200,
        contentType: "application/json",
        checkedAt: "2026-07-10T11:55:00.000Z",
      }),
    ).toBe("unavailable");
    expect(
      getDemoAvailability("https://demo.example", {
        status: 200,
        contentType: "text/html+custom; charset=utf-8",
        checkedAt: "2026-07-10T11:55:00.000Z",
      }),
    ).toBe("unavailable");
    expect(
      getDemoAvailability("https://demo.example", snapshot.projects.stale),
    ).toBe("available");
  });

  it("creates a fresh health snapshot when the stored result is unavailable", async () => {
    const fetcher = jest.fn(async (url: string) => ({
      status: url.includes("online") ? 200 : 503,
      url,
      headers: new Headers({
        "content-type": url.includes("online") ? "text/html" : "text/plain",
      }),
      body: { cancel: jest.fn() },
    }));

    const result = await createProjectHealthSnapshot(
      [
        { id: "online", demoUrl: "https://online.example" },
        { id: "offline", demoUrl: "https://offline.example" },
      ],
      fetcher,
      new Date("2026-07-10T12:00:00.000Z"),
    );

    expect(result.projects.online.status).toBe(200);
    expect(result.projects.online.contentType).toBe("text/html");
    expect(result.projects.offline.status).toBe(503);
    expect(fetcher).toHaveBeenCalledTimes(2);
  });
});