// @vitest-environment jsdom

import { fireEvent, render, screen, waitFor } from "@testing-library/react";
import userEvent from "@testing-library/user-event";
import { MemoryRouter } from "react-router-dom";
import {
  afterAll,
  afterEach,
  beforeAll,
  beforeEach,
  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 { FIXTURE_IDS } from "../../../src/features/tech-log/adapters/mock/fixtures.ts";
import { StudioGatewayError } from "../../../src/features/tech-log/application/ports/studio-gateway-error.ts";
import type { StudioGateway } from "../../../src/features/tech-log/application/ports/studio-gateway.ts";
import type { WorkingCopyInput } from "../../../src/features/tech-log/contracts/studio/contract.ts";
import { PublicationEventPreviewScreen } from "../../../src/features/tech-log/presentation/studio/components/publication-event-preview-screen.tsx";
import { PublicationList } from "../../../src/features/tech-log/presentation/studio/components/publication-list.tsx";
import { PublishScreen } from "../../../src/features/tech-log/presentation/studio/components/publish-screen.tsx";
import { StudioProvider } from "../../../src/features/tech-log/presentation/studio/studio-provider.tsx";

const originalShowModal = HTMLDialogElement.prototype.showModal;
const originalClose = HTMLDialogElement.prototype.close;

class NoopIntersectionObserver implements IntersectionObserver {
  readonly root = null;
  readonly rootMargin = "0px";
  readonly scrollMargin = "0px";
  readonly thresholds = [0];

  disconnect() {}
  observe() {}
  takeRecords(): IntersectionObserverEntry[] {
    return [];
  }
  unobserve() {}
}

beforeAll(() => {
  vi.stubGlobal("IntersectionObserver", NoopIntersectionObserver);
});

afterAll(() => {
  vi.unstubAllGlobals();
});

beforeEach(() => {
  Object.defineProperty(HTMLDialogElement.prototype, "showModal", {
    configurable: true,
    value(this: HTMLDialogElement) {
      this.setAttribute("open", "");
    },
  });
  Object.defineProperty(HTMLDialogElement.prototype, "close", {
    configurable: true,
    value(this: HTMLDialogElement) {
      this.removeAttribute("open");
      this.dispatchEvent(new Event("close"));
    },
  });
});

afterEach(() => {
  vi.restoreAllMocks();
  Object.defineProperty(HTMLDialogElement.prototype, "showModal", {
    configurable: true,
    value: originalShowModal,
  });
  Object.defineProperty(HTMLDialogElement.prototype, "close", {
    configurable: true,
    value: originalClose,
  });
});

function renderInStudio(
  node: React.ReactNode,
  gateway: StudioGateway = createTechLogFeatureInstalledInput(MOCK_STUDIO_INSTALL_CONTEXT).input.createStudioGateway(),
  navigate: (href: string) => void = () => undefined,
) {
  return render(
    <MemoryRouter initialEntries={["/studio"]}>
      <StudioProvider createGateway={() => gateway} navigate={navigate}>
        {node}
      </StudioProvider>
    </MemoryRouter>,
  );
}

async function warningReadyDocument(gateway: StudioGateway) {
  const input: WorkingCopyInput = {
    kind: "CASE",
    title: "게시 경고 예시",
    slug: "publish-warning-example",
    summary: "경고 확인 뒤 게시합니다.",
    topicId: FIXTURE_IDS.topicJpa,
    projectId: null,
    relations: [],
    problem: "경고가 있습니다.",
    conclusion: "확인 뒤 게시합니다.",
    environment: "Studio",
    reproduction: "Mock",
    lastVerifiedOn: "2026-08-14",
    bodyMarkdown: "게시할 본문",
  };
  const document = await gateway.createDocument(input, {
    idempotencyKey: "publication-test-create",
  });
  const validation = await gateway.validateDocument(
    document.id,
    { expectedVersion: 1 },
    { idempotencyKey: "publication-test-validation" },
  );
  await gateway.createPreview(
    document.id,
    { expectedVersion: 1, validationId: validation.validationId },
    { idempotencyKey: "publication-test-preview" },
  );
  return document;
}

function deferred<T>() {
  let resolve!: (value: T) => void;
  let reject!: (reason?: unknown) => void;
  const promise = new Promise<T>((nextResolve, nextReject) => {
    resolve = nextResolve;
    reject = nextReject;
  });
  return { promise, resolve, reject };
}

describe("TechLog Studio publication flow", () => {
  it("blocks invalid and stale saved versions before a publish command can start", async () => {
    const invalid = renderInStudio(
      <PublishScreen documentId={FIXTURE_IDS.edgeTokenQuestion} />,
    );
    expect(await screen.findByText("검증 오류를 먼저 수정해야 합니다")).toBeVisible();
    expect(screen.queryByRole("button", { name: "게시" })).not.toBeInTheDocument();
    invalid.unmount();

    renderInStudio(<PublishScreen documentId={FIXTURE_IDS.fetchJoinCase} />);
    expect(await screen.findByText("검증 결과가 현재 버전과 다릅니다")).toBeVisible();
    expect(screen.getByRole("link", { name: "다시 검증" })).toHaveAttribute(
      "href",
      `/studio/documents/${FIXTURE_IDS.fetchJoinCase}/validation`,
    );
  });

  it("publishes a current warning preview only after every warning is acknowledged", async () => {
    const gateway = createTechLogFeatureInstalledInput(MOCK_STUDIO_INSTALL_CONTEXT).input.createStudioGateway();
    const document = await warningReadyDocument(gateway);
    const destinations: string[] = [];
    renderInStudio(
      <PublishScreen documentId={document.id} />,
      gateway,
      (href) => destinations.push(href),
    );

    const publish = await screen.findByRole("button", { name: "게시" });
    expect(publish).toBeDisabled();
    await userEvent.click(screen.getByRole("checkbox", { name: /PROJECT_MISSING/ }));
    expect(publish).toBeEnabled();
    await userEvent.click(publish);

    await waitFor(() =>
      expect(destinations[0]).toMatch(
        /^\/studio\/publications\/[0-9a-f-]+\/preview$/,
      ),
    );
    expect(screen.getByRole("status", { name: "" })).toHaveTextContent("게시했습니다.");
    expect((await gateway.listPublications({ limit: 100 })).items[0]).toMatchObject({
      event: { type: "PUBLISHED", publishedVersion: 1 },
      publication: { status: "PUBLISHED", publicPath: "/cases/publish-warning-example" },
    });
  });

  it("keeps the publish pending state, preserves gateway command order, and retries with a new key", async () => {
    const user = userEvent.setup();
    const base = createTechLogFeatureInstalledInput(MOCK_STUDIO_INSTALL_CONTEXT).input.createStudioGateway();
    const document = await warningReadyDocument(base);
    const first = deferred<never>();
    const calls: string[] = [];
    const keys: string[] = [];
    const publishDocument = vi
      .fn<StudioGateway["publishDocument"]>()
      .mockImplementationOnce((_id, _command, options) => {
        calls.push("publishDocument");
        keys.push(options.idempotencyKey);
        return first.promise;
      })
      .mockImplementation((...args) => {
        calls.push("publishDocument");
        keys.push(args[2].idempotencyKey);
        return base.publishDocument(...args);
      });
    const gateway = {
      ...base,
      getDocument(...args: Parameters<StudioGateway["getDocument"]>) {
        calls.push("getDocument");
        return base.getDocument(...args);
      },
      getCurrentPreview(...args: Parameters<StudioGateway["getCurrentPreview"]>) {
        calls.push("getCurrentPreview");
        return base.getCurrentPreview(...args);
      },
      publishDocument,
    } satisfies StudioGateway;
    renderInStudio(<PublishScreen documentId={document.id} />, gateway);

    await user.click(await screen.findByRole("checkbox", { name: /PROJECT_MISSING/ }));
    await user.click(screen.getByRole("button", { name: "게시" }));
    expect(screen.getByRole("button", { name: "게시 중…" })).toBeDisabled();
    expect(calls.slice(0, 3)).toEqual([
      "getDocument",
      "getCurrentPreview",
      "publishDocument",
    ]);

    first.reject(new StudioGatewayError({
      type: "https://techlog.local/problems/studio-unavailable",
      title: "STUDIO_UNAVAILABLE",
      status: 503,
      detail: "Studio가 잠시 응답하지 않습니다.",
      code: "STUDIO_UNAVAILABLE",
      retryable: true,
    }));
    expect(await screen.findByRole("alert")).toHaveTextContent(
      "Studio가 잠시 응답하지 않습니다.",
    );
    await user.click(screen.getByRole("button", { name: "게시" }));
    await waitFor(() => expect(publishDocument).toHaveBeenCalledTimes(2));
    expect(keys[1]).not.toBe(keys[0]);
  });

  it("filters publication events and recovers a failed history read", async () => {
    const user = userEvent.setup();
    const base = createTechLogFeatureInstalledInput(MOCK_STUDIO_INSTALL_CONTEXT).input.createStudioGateway();
    const listPublications = vi
      .fn<StudioGateway["listPublications"]>()
      .mockRejectedValueOnce(new Error("offline"))
      .mockImplementation((query, options) => base.listPublications(query, options));
    renderInStudio(<PublicationList />, { ...base, listPublications });

    expect(await screen.findByRole("alert")).toHaveTextContent(
      "게시 기록을 불러오지 못했습니다offline",
    );
    await user.click(screen.getByRole("button", { name: "다시 시도" }));
    expect(await screen.findByRole("heading", { name: "Redis Adapter가 도메인 TTL 정책을 소유하지 않는 이유" })).toBeVisible();

    await user.selectOptions(screen.getByLabelText("이벤트"), "UNPUBLISHED");
    await user.type(screen.getByLabelText("검색"), "Fetch 전략");
    await user.click(screen.getByRole("button", { name: "적용" }));
    expect(await screen.findByRole("heading", { name: "JPA 목록 조회에서 Fetch 전략을 선택하는 기준" })).toBeVisible();
    expect(screen.queryByRole("heading", { name: "Redis Adapter가 도메인 TTL 정책을 소유하지 않는 이유" })).not.toBeInTheDocument();
  });

  it("unpublishes only the selected current row after the source confirmation", async () => {
    const user = userEvent.setup();
    const gateway = createTechLogFeatureInstalledInput(MOCK_STUDIO_INSTALL_CONTEXT).input.createStudioGateway();
    renderInStudio(<PublicationList />, gateway);
    await user.click(
      await screen.findByRole("button", { name: /Redis Adapter.*게시 취소/ }),
    );

    expect(screen.getByRole("dialog", { name: "게시를 취소할까요?" })).toHaveTextContent(
      "Studio 게시 상태를 중단하고 게시 취소 이벤트를 남깁니다.",
    );
    expect(screen.getByText("작업본과 이전 Snapshot은 보존됩니다.")).toBeVisible();
    await user.click(screen.getByRole("button", { name: "게시 취소 확인" }));

    await waitFor(() => expect(screen.getAllByText("게시를 취소했습니다.").length).toBeGreaterThanOrEqual(1));
    expect(await screen.findAllByRole("link", { name: "게시 취소 전 Snapshot 보기" })).not.toHaveLength(0);
  });

  it("renders the event's immutable snapshot instead of a newer working copy", async () => {
    const view = renderInStudio(
      <PublicationEventPreviewScreen publicationEventId={FIXTURE_IDS.fetchPublishedEvent} />,
    );

    expect(await screen.findByRole("heading", { level: 1, name: "컬렉션 Fetch Join과 페이징은 왜 충돌하는가" })).toBeVisible();
    expect(screen.getByText(/반환된 20건 뒤에서 전체 컬렉션이 로드되는 과정/)).toBeVisible();
    expect(screen.queryByText("게시 후 본문 측정값을 보완한 저장본입니다.")).not.toBeInTheDocument();
    expect(view.container.querySelectorAll("main")).toHaveLength(0);
    expect(view.container.querySelector(".public-record-embedded")).toBeInTheDocument();
  });

  it("keeps unknown publication events inside the Studio not-found screen", async () => {
    renderInStudio(
      <PublicationEventPreviewScreen publicationEventId="99999999-9999-4999-8999-999999999999" />,
    );

    expect(await screen.findByRole("heading", { level: 1, name: "게시 기록을 찾을 수 없습니다" })).toBeVisible();
    expect(screen.getByRole("link", { name: "게시 기록으로 돌아가기" })).toHaveAttribute(
      "href",
      "/studio/publications",
    );
  });
});