import { screen, within } from "@testing-library/react";
import { describe, expect, it, vi } from "vitest";

import { AppSidebar } from "@/components/layout/app-sidebar";
import { renderWithProviders } from "@/test/test-utils";

const canApproveMock = vi.hoisted(() => vi.fn());

vi.mock("@/domain/uplifts/use-cases/use-uplifts-can-approve", () => ({
  useUpliftsCanApprove: canApproveMock,
}));

function renderSidebar(route: string) {
  return renderWithProviders(<AppSidebar collapsed={false} />, {
    route,
    withAuth: false,
  });
}

function sidebarLinks(): Record<string, string> {
  const nav = document.getElementById("primary-navigation");
  const links = Array.from(within(nav as HTMLElement).getAllByRole("link"));
  return Object.fromEntries(
    links.map((link) => [link.textContent ?? "", link.getAttribute("href") ?? ""]),
  );
}

describe("AppSidebar navigation entries", () => {
  it("shows Uplift Approvals for a user the backend says can approve uplifts", () => {
    canApproveMock.mockReturnValue({ data: true });

    renderSidebar("/");
    const links = sidebarLinks();

    expect(links["Uplift Approvals"]).toBe("/uplifts");
  });

  it("hides Uplift Approvals when the backend says the user cannot approve uplifts", () => {
    canApproveMock.mockReturnValue({ data: false });

    renderSidebar("/");
    const links = sidebarLinks();

    expect(links["Uplift Approvals"]).toBeUndefined();
  });

  it("hides Uplift Approvals while the backend answer is still loading", () => {
    canApproveMock.mockReturnValue({ data: undefined });

    renderSidebar("/");
    const links = sidebarLinks();

    expect(links["Uplift Approvals"]).toBeUndefined();
  });

  it.each([
    [1, "tier 1"],
    [2, "tier 2"],
  ])("shows Uplift Approvals when only %s approval is allowed (%s)", (allowedTier) => {
    canApproveMock.mockImplementation((tier: number) => ({ data: tier === allowedTier }));

    renderSidebar("/");
    const links = sidebarLinks();

    expect(links["Uplift Approvals"]).toBe("/uplifts");
    expect(canApproveMock).toHaveBeenCalledWith(1);
    expect(canApproveMock).toHaveBeenCalledWith(2);
  });

  it("hides Uplift Approvals when the can-approve request fails", () => {
    canApproveMock.mockReturnValue({ data: undefined, isError: true, error: new Error("403") });

    renderSidebar("/");
    const links = sidebarLinks();

    expect(links["Uplift Approvals"]).toBeUndefined();
  });

  it("hides Uplift Approvals when a refetch fails after an earlier approval", () => {
    canApproveMock.mockReturnValue({ data: true, isError: true, error: new Error("403") });

    renderSidebar("/");
    const links = sidebarLinks();

    expect(links["Uplift Approvals"]).toBeUndefined();
  });

  it("offers Services to every user", () => {
    canApproveMock.mockReturnValue({ data: false });

    renderSidebar("/");
    const links = sidebarLinks();

    expect(links["Services"]).toBe("/settings/services");
  });

  it("highlights the Uplift Approvals entry on /uplifts", () => {
    canApproveMock.mockReturnValue({ data: true });

    renderSidebar("/uplifts");

    expect(screen.getByRole("link", { name: "Uplift Approvals" })).toHaveAttribute(
      "aria-current",
      "page",
    );
  });

  it("highlights the Services entry on /settings/services", () => {
    canApproveMock.mockReturnValue({ data: false });

    renderSidebar("/settings/services");

    expect(screen.getByRole("link", { name: "Services" })).toHaveAttribute("aria-current", "page");
  });
});