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

const apiGet = vi.fn();
const apiPost = vi.fn();
const apiRequestRaw = vi.fn();

vi.mock("@/api/api", () => ({
  apiGet: (...args: unknown[]) => apiGet(...args),
  apiPost: (...args: unknown[]) => apiPost(...args),
  apiRequestRaw: (...args: unknown[]) => apiRequestRaw(...args),
}));

import { upliftsApi } from "@/domain/uplifts/api/uplifts-api";

describe("upliftsApi", () => {
  beforeEach(() => {
    apiGet.mockReset();
    apiPost.mockReset();
    apiRequestRaw.mockReset();
  });

  it("posts admin revoke decisions to the uplift decision endpoint", async () => {
    apiPost.mockResolvedValueOnce(undefined);

    await upliftsApi.revoke(42, "Scope was already covered");

    expect(apiPost).toHaveBeenCalledWith("uplifts/42/revoke", {
      note: "Scope was already covered",
    });
  });

  it("reads the backend tier decision permission", async () => {
    apiGet.mockResolvedValueOnce({ status: "Success", data: { canApprove: true } });

    await expect(upliftsApi.canApprove(1)).resolves.toBe(true);

    expect(apiGet).toHaveBeenCalledWith("uplifts/can-approve", { searchParams: { tier: 1 } });
  });

  it("treats a missing tier permission as false", async () => {
    apiGet.mockResolvedValueOnce({ status: "Success", data: {} });

    await expect(upliftsApi.canApprove(2)).resolves.toBe(false);
  });

  describe("openEvidence", () => {
    function evidenceResponse(body: string, contentType: string): Response {
      return new Response(body, {
        headers: {
          "Content-Type": contentType,
          "Content-Disposition": 'attachment; filename="quote.pdf"',
        },
      });
    }

    function fakeTab() {
      return { location: { href: "about:blank" }, close: vi.fn() };
    }

    beforeEach(() => {
      URL.createObjectURL = vi.fn(() => "blob:evidence");
      URL.revokeObjectURL = vi.fn();
    });

    it("renders an inert evidence type in the tab opened by the click", async () => {
      apiRequestRaw.mockResolvedValueOnce(evidenceResponse("%PDF", "application/pdf"));
      const tab = fakeTab();

      await upliftsApi.openEvidence(7, tab as unknown as Window);

      expect(apiRequestRaw).toHaveBeenCalledWith(
        "get",
        "uplifts/7/evidence",
        undefined,
        "upliftsApi.openEvidence",
      );
      expect(tab.location.href).toBe("blob:evidence");
      expect(tab.close).not.toHaveBeenCalled();
    });

    it("downloads a type the browser could execute instead of rendering it on the app origin", async () => {
      apiRequestRaw.mockResolvedValueOnce(evidenceResponse("<svg/>", "image/svg+xml"));
      const tab = fakeTab();
      const click = vi.spyOn(HTMLAnchorElement.prototype, "click").mockImplementation(() => {});

      await upliftsApi.openEvidence(8, tab as unknown as Window);

      expect(tab.location.href).toBe("about:blank");
      expect(tab.close).toHaveBeenCalled();
      expect(click).toHaveBeenCalled();
      click.mockRestore();
    });
  });
});