// @vitest-environment jsdom

import { render, screen, waitFor, within } from "@testing-library/react";
import userEvent from "@testing-library/user-event";
import type { ReactNode } from "react";
import { MemoryRouter, useLocation, useNavigate } from "react-router-dom";
import { describe, expect, it } 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 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 { DocumentEditorScreen } from "../../../src/features/tech-log/presentation/studio/components/document-editor-screen.tsx";
import { NewDocumentForm } from "../../../src/features/tech-log/presentation/studio/components/new-document-form.tsx";
import { StudioProvider } from "../../../src/features/tech-log/presentation/studio/studio-provider.tsx";

type DecisionInput = Extract<WorkingCopyInput, { kind: "PROJECT_DECISION" }>;

function decisionInput(): DecisionInput {
  return {
    kind: "PROJECT_DECISION",
    title: "목록 페이징과 컬렉션 로딩을 분리합니다",
    slug: "feed-pagination-boundary",
    summary: "부모 페이지를 먼저 고정하고 연관 컬렉션을 별도로 조회합니다.",
    topicId: FIXTURE_IDS.topicJpa,
    projectId: FIXTURE_IDS.projectBackend,
    relations: [
      {
        id: null,
        targetId: FIXTURE_IDS.fetchJoinCase,
        reason: "판단 근거",
        order: 0,
      },
    ],
    decisionStatus: "ADOPTED",
    decidedOn: "2026-08-11",
    statement: "목록 조회와 컬렉션 로딩을 서로 다른 단계로 수행합니다.",
    rationale: "Fetch Join이 DB LIMIT를 제거하는 문제를 피합니다.",
    consequences: [
      {
        id: "99999999-9999-4999-8999-999999999991",
        text: "목록 조회는 한 번의 SQL로 끝나지 않습니다.",
        order: 0,
      },
    ],
  };
}

function RouterStudioProvider({
  gateway,
  children,
}: Readonly<{ gateway: StudioGateway; children: ReactNode }>) {
  const navigate = useNavigate();
  return (
    <StudioProvider
      createGateway={() => gateway}
      navigate={(href) => { void navigate(href); }}
    >
      {children}
    </StudioProvider>
  );
}

function LocationProbe() {
  return <output aria-label="현재 경로">{useLocation().pathname}</output>;
}

describe("TechLog Studio project decision authoring", () => {
  it("creates Decision as the fourth working-copy type", async () => {
    const user = userEvent.setup();
    const gateway = createTechLogFeatureInstalledInput(MOCK_STUDIO_INSTALL_CONTEXT).input.createStudioGateway();
    render(
      <MemoryRouter initialEntries={["/studio/documents/new"]}>
        <RouterStudioProvider gateway={gateway}>
          <NewDocumentForm />
          <LocationProbe />
        </RouterStudioProvider>
      </MemoryRouter>,
    );

    await user.click(screen.getByRole("radio", { name: /Decision/ }));
    await user.click(screen.getByRole("button", { name: "작업본 만들기" }));

    await waitFor(() => {
      expect(screen.getByLabelText("현재 경로")).toHaveTextContent(
        /^\/studio\/documents\/[0-9a-f-]+\/edit$/,
      );
    });
    expect((await gateway.listDocuments({ kind: "PROJECT_DECISION" })).items)
      .toHaveLength(1);
  });

  it("validates, previews, and publishes a project-scoped Decision", async () => {
    const gateway = createTechLogFeatureInstalledInput(MOCK_STUDIO_INSTALL_CONTEXT).input.createStudioGateway();
    const document = await gateway.createDocument(decisionInput(), {
      idempotencyKey: "create-project-decision",
    });
    const validation = await gateway.validateDocument(
      document.id,
      { expectedVersion: document.version },
      { idempotencyKey: "validate-project-decision" },
    );
    expect(validation).toMatchObject({ status: "VALID", issues: [] });

    const preview = await gateway.createPreview(
      document.id,
      {
        expectedVersion: document.version,
        validationId: validation.validationId,
      },
      { idempotencyKey: "preview-project-decision" },
    );
    expect(preview.renderModel).toMatchObject({
      kind: "PROJECT_DECISION",
      status: "ADOPTED",
      publicPath: "/projects/backend-skeleton/decisions#feed-pagination-boundary",
    });

    const published = await gateway.publishDocument(
      document.id,
      {
        expectedVersion: document.version,
        validationId: validation.validationId,
        previewId: preview.previewId,
        acknowledgedWarningCodes: [],
      },
      { idempotencyKey: "publish-project-decision" },
    );
    expect(published.publication.publicPath).toBe(
      "/projects/backend-skeleton/decisions#feed-pagination-boundary",
    );
  });

  it("edits Decision fields and renders the project decision card preview", async () => {
    const user = userEvent.setup();
    const gateway = createTechLogFeatureInstalledInput(MOCK_STUDIO_INSTALL_CONTEXT).input.createStudioGateway();
    const document = await gateway.createDocument(decisionInput(), {
      idempotencyKey: "edit-project-decision",
    });
    render(
      <MemoryRouter initialEntries={[`/studio/documents/${document.id}/edit`]}>
        <StudioProvider createGateway={() => gateway}>
          <DocumentEditorScreen documentId={document.id} />
        </StudioProvider>
      </MemoryRouter>,
    );

    expect(await screen.findByLabelText("결정 상태")).toHaveValue("ADOPTED");
    expect(screen.getByLabelText("결정일")).toHaveValue("2026-08-11");
    expect(screen.getByLabelText("결정문")).toHaveValue(
      "목록 조회와 컬렉션 로딩을 서로 다른 단계로 수행합니다.",
    );
    expect(screen.getByLabelText("판단 이유")).toHaveValue(
      "Fetch Join이 DB LIMIT를 제거하는 문제를 피합니다.",
    );
    expect(screen.getByLabelText("영향 1")).toHaveValue(
      "목록 조회는 한 번의 SQL로 끝나지 않습니다.",
    );
    expect(screen.getByLabelText("근거 1 대상")).toHaveValue(
      FIXTURE_IDS.fetchJoinCase,
    );
    expect(screen.getByRole("complementary", { name: "작업 상태" }))
      .toHaveTextContent("종류Decision");

    await user.click(screen.getByRole("tab", { name: "즉시 미리보기" }));
    const preview = screen.getByRole("tabpanel", { name: "즉시 미리보기" });
    expect(
      within(preview).getByRole("heading", {
        name: "목록 페이징과 컬렉션 로딩을 분리합니다",
      }),
    ).toBeVisible();
    expect(within(preview).getByText("판단 이유")).toBeVisible();
    expect(within(preview).getByText("영향")).toBeVisible();
    expect(within(preview).getByText("근거 기록")).toBeVisible();
    expect(within(preview).getByRole("link", {
      name: "컬렉션 Fetch Join과 페이징은 왜 충돌하는가",
    })).toHaveAttribute("href", "/cases/collection-fetch-join-pagination");
  });
});