// @vitest-environment jsdom

import { render, screen, waitFor, within } from "@testing-library/react";
import userEvent from "@testing-library/user-event";
import { Outlet, RouterProvider, createMemoryRouter } from "react-router-dom";
import { afterEach, describe, expect, it, vi } from "vitest";

import { createTechLogFeatureInstalledInput } from "../../../src/features/tech-log/adapters/create-tech-log-feature-input.ts";
import { MOCK_STUDIO_INSTALL_CONTEXT } from "../../helpers/studio-install-context.ts";
import type { StudioGateway } from "../../../src/features/tech-log/application/ports/studio-gateway.ts";
import { StudioHomePage } from "../../../src/features/tech-log/presentation/studio/pages/studio-home-page.tsx";
import { StudioNotFoundPage } from "../../../src/features/tech-log/presentation/studio/pages/studio-not-found-page.tsx";
import { StudioShell } from "../../../src/features/tech-log/presentation/studio/studio-shell.tsx";
import { createExternalAuthSessionAdapter } from "../../../src/adapters/auth/external-session-adapter.ts";
import { ApplicationProvider } from "../../../src/presentation/providers/application-provider.tsx";
import { SessionProvider } from "../../../src/presentation/providers/session-provider.tsx";
import { createTestApplication } from "../../helpers/create-test-application.ts";
import { renderWithQueryProviders } from "../../helpers/query-providers.tsx";

afterEach(() => vi.restoreAllMocks());

async function renderStudio(
  initialEntry: string,
  createStudioGateway: () => StudioGateway,
) {
  const router = createMemoryRouter(
    [
      {
        path: "/studio",
        element: (
          <StudioShell>
            <Outlet />
          </StudioShell>
        ),
        children: [
          { index: true, element: <StudioHomePage /> },
          { path: "documents", element: <p>작업본 라우트</p> },
          { path: "documents/new", element: <p>새 문서 라우트</p> },
          { path: "publications", element: <p>게시 기록 라우트</p> },
          { path: "*", element: <StudioNotFoundPage /> },
        ],
      },
    ],
    { initialEntries: [initialEntry] },
  );
  const installed = createTechLogFeatureInstalledInput(MOCK_STUDIO_INSTALL_CONTEXT).input;
  const application = createTestApplication({
    // The Studio shell draws its chrome only for an authenticated session — a
    // signed-out visitor gets the sign-in surface and nothing else, which is
    // what these tests are not about. In the real app AppRouter supplies both
    // the session state and the provider; here the harness does.
    session: createExternalAuthSessionAdapter({
      readState: () => "authenticated" as const,
      subscribe: () => () => {},
      beginSignIn: async () => {},
      signOut: async () => {},
      attachCredential: async () => ({ headers: {} }),
      recoverSession: async () => "restored" as const,
      notifyUnauthenticated: () => {},
    }),
    featureInputs: {
      "tech-log": { ...installed, createStudioGateway },
    },
  });
  const view = render(
    renderWithQueryProviders(
    <ApplicationProvider application={application}>
      <SessionProvider>
      <RouterProvider router={router} />
      </SessionProvider>
    </ApplicationProvider>,
    ));
  // 포트가 async 가 되면서 첫 페인트에는 데이터가 없다. 화면이 정착한 뒤
  // 단언하도록 여기서 한 번 기다린다 — 각 테스트에 흩어 놓으면 빠뜨린 곳이 생긴다.
  await screen.findByRole("main");
  return { ...view, router };
}

describe("TechLog Studio shell", () => {
  it("creates one application-provided gateway for child navigation and exposes the source header", async () => {
    const user = userEvent.setup();
    const gateway = createTechLogFeatureInstalledInput(MOCK_STUDIO_INSTALL_CONTEXT).input.createStudioGateway();
    const createGateway = vi.fn(() => gateway);

    const { container, router } = await renderStudio("/studio", createGateway);

    expect(await screen.findByRole("heading", { level: 1, name: "작업 흐름" })).toBeVisible();
    expect(createGateway).toHaveBeenCalledTimes(1);
    expect(
      Array.from(
        container.querySelectorAll<HTMLAnchorElement>(".studio-desktop-navigation a"),
        (link) => [link.textContent, link.getAttribute("href")],
      ),
    ).toEqual([
      ["작업본", "/studio/documents"],
      ["게시 기록", "/studio/publications"],
      ["새 문서", "/studio/documents/new"],
      ["주제·프로젝트", "/studio/taxonomy"],
      ["공개 사이트 보기", "/"],
    ]);
    expect(screen.getByRole("link", { name: "공개 사이트 보기" })).toHaveAttribute("href", "/");
    expect(screen.queryByText(/로그인|sign in/i)).not.toBeInTheDocument();

    await user.click(within(screen.getByRole("navigation", { name: "Studio 주 탐색" })).getByRole("link", { name: "작업본" }));

    expect(router.state.location.pathname).toBe("/studio/documents");
    expect(screen.getByText("작업본 라우트")).toBeVisible();
    expect(createGateway).toHaveBeenCalledTimes(1);
    expect(screen.getAllByRole("link", { name: "작업본" })[0]).toHaveAttribute("aria-current", "page");
  });

  it("recreates the provider generation and cancels obsolete work after a persisted pageshow", async () => {
    const user = userEvent.setup();
    let firstSignal: AbortSignal | undefined;
    const first = createTechLogFeatureInstalledInput(MOCK_STUDIO_INSTALL_CONTEXT).input.createStudioGateway();
    const second = createTechLogFeatureInstalledInput(MOCK_STUDIO_INSTALL_CONTEXT).input.createStudioGateway();
    vi.spyOn(first, "getDashboard").mockImplementation(({ signal } = {}) => {
      firstSignal = signal;
      return new Promise(() => {});
    });
    const secondDashboard = vi.spyOn(second, "getDashboard");
    const createGateway = vi.fn()
      .mockReturnValueOnce(first)
      .mockReturnValueOnce(second);

    await renderStudio("/studio", createGateway);
    await waitFor(() => expect(firstSignal).toBeDefined());
    await user.click(screen.getByRole("button", { name: "Studio 메뉴 열기" }));
    expect(screen.getByRole("button", { name: "Studio 메뉴 닫기" })).toBeVisible();

    window.dispatchEvent(new PageTransitionEvent("pageshow", { persisted: true }));

    await waitFor(() => expect(createGateway).toHaveBeenCalledTimes(2));
    expect(firstSignal?.aborted).toBe(true);
    expect(screen.getByRole("button", { name: "Studio 메뉴 열기" })).toHaveAttribute("aria-expanded", "false");
    expect(await screen.findByRole("heading", { level: 1, name: "작업 흐름" })).toBeVisible();
    expect(secondDashboard).toHaveBeenCalledTimes(1);
  });

  it("keeps unknown Studio routes inside the Studio shell without authentication UI", async () => {
    const createGateway = vi.fn(
      () => createTechLogFeatureInstalledInput(MOCK_STUDIO_INSTALL_CONTEXT).input.createStudioGateway(),
    );

    await renderStudio("/studio/does-not-exist", createGateway);

    expect(screen.getByRole("banner")).toHaveClass("studio-header");
    expect(screen.getByRole("heading", { level: 1, name: "Studio 화면을 찾을 수 없습니다" })).toBeVisible();
    expect(screen.getByRole("link", { name: "작업본으로 돌아가기" })).toHaveAttribute("href", "/studio/documents");
    expect(screen.queryByText(/로그인|sign in/i)).not.toBeInTheDocument();
  });
});