import { render, screen } from "@testing-library/react";
import { getShowcaseAssets } from "@/lib/project-showcase";
import { caseStudies } from "@/lib/site-content";
import { CaseHero } from "./CaseHero";
import { getCaseMedia } from "./case-media";
import { compactHero } from "./hero-styles";

/**
 * Testes de caminhos-base de CaseHero e dos fatos do projeto: com e sem captura gravada, case de cliente e de
 * laboratório, e a lista de fatos ausente, vazia ou preenchida. A existência da captura é simulada em getCaseMedia.
 */

jest.mock("./case-media", () => ({ getCaseMedia: jest.fn() }));

const mockedGetCaseMedia = jest.mocked(getCaseMedia);

function getCase(id: string) {
  const caseStudy = caseStudies.find((item) => item.id === id);
  if (!caseStudy) throw new Error(`Missing case ${id}`);
  return caseStudy;
}

const client = getCase("sev-modaintima");
const lab = getCase("twins-lab");

function withCapture(has: boolean) {
  mockedGetCaseMedia.mockImplementation((id, device) =>
    has ? getShowcaseAssets(id, device) : undefined,
  );
}

afterEach(() => {
  mockedGetCaseMedia.mockReset();
});

describe("CaseHero: captura gravada e tipo de case", () => {
  it("path: client case with a capture -> two columns, the cover on the right, the client eyebrow", () => {
    withCapture(true);
    const { container } = render(<CaseHero caseStudy={client} isClient />);

    expect(container.querySelector(".ds-section-shell")).toHaveClass("grid");
    expect(container.querySelector(".ds-bframe")).toBeInTheDocument();
    expect(screen.getByText(/Case de cliente/)).toBeVisible();
    expect(
      screen.getByRole("heading", { level: 1, name: client.headline }),
    ).toBeVisible();
  });

  it("path: client case without a capture -> one column and no cover", () => {
    withCapture(false);
    const { container } = render(<CaseHero caseStudy={client} isClient />);

    expect(container.querySelector(".ds-section-shell")).not.toHaveClass(
      "grid",
    );
    expect(container.querySelector(".ds-bframe")).toBeNull();
    expect(screen.getByText(client.summary)).toBeVisible();
  });

  it("path: laboratory case with a capture -> the cover shows, with the laboratory eyebrow", () => {
    withCapture(true);
    const { container } = render(<CaseHero caseStudy={lab} isClient={false} />);

    expect(container.querySelector(".ds-bframe")).toBeInTheDocument();
    expect(screen.getByText(/Projeto de laboratório/)).toBeVisible();
    expect(screen.queryByText(/Case de cliente/)).toBeNull();
  });

  it("path: laboratory case without a capture -> one column, laboratory eyebrow, title and summary", () => {
    withCapture(false);
    const { container } = render(<CaseHero caseStudy={lab} isClient={false} />);

    expect(container.querySelector(".ds-section-shell")).not.toHaveClass(
      "grid",
    );
    expect(container.querySelector(".ds-bframe")).toBeNull();
    expect(screen.getByText(/Projeto de laboratório/)).toBeVisible();
    expect(screen.getByText(lab.summary)).toBeVisible();
  });

  it("path: with a capture -> the top strip keeps the default height", () => {
    withCapture(true);
    const { container } = render(<CaseHero caseStudy={client} isClient />);

    expect(container.querySelector("section")).not.toHaveClass(compactHero);
  });

  it("path: without a capture -> the top strip is the lower one-column strip, for client and laboratory cases", () => {
    withCapture(false);
    for (const [caseStudy, isClient] of [
      [client, true],
      [lab, false],
    ] as const) {
      const { container, unmount } = render(
        <CaseHero caseStudy={caseStudy} isClient={isClient} />,
      );
      expect(container.querySelector("section")).toHaveClass(compactHero);
      unmount();
    }
  });

  it("path: breadcrumb -> Início, Cases and the case itself as the current page", () => {
    withCapture(false);
    render(<CaseHero caseStudy={client} isClient />);

    const links = screen.getAllByRole("link");
    expect(links.map((link) => link.getAttribute("href"))).toEqual([
      "/",
      "/cases",
      `/cases/${client.id}`,
    ]);
    expect(links[2]).toHaveAttribute("aria-current", "page");
  });
});

describe("CaseHero: fatos do projeto", () => {
  const withFacts = (facts: string[] | undefined) => ({
    ...client,
    facts,
  });

  it("path: no facts field -> no list", () => {
    withCapture(false);
    render(<CaseHero caseStudy={withFacts(undefined)} isClient />);

    expect(screen.queryByRole("list", { name: "Fatos do projeto" })).toBeNull();
  });

  it("path: empty facts list -> no list", () => {
    withCapture(false);
    render(<CaseHero caseStudy={withFacts([])} isClient />);

    expect(screen.queryByRole("list", { name: "Fatos do projeto" })).toBeNull();
  });

  it("path: filled facts -> one item each, after the summary", () => {
    withCapture(false);
    render(
      <CaseHero
        caseStudy={withFacts(["No ar desde 2025", "Dois painéis"])}
        isClient
      />,
    );

    const list = screen.getByRole("list", { name: "Fatos do projeto" });
    expect(list.querySelectorAll("li")).toHaveLength(2);
    expect(
      screen.getByText(client.summary).compareDocumentPosition(list) &
        Node.DOCUMENT_POSITION_FOLLOWING,
    ).toBeTruthy();
  });
});