import { render, screen } from "@testing-library/react";
import { getShowcaseAssets } from "@/lib/project-showcase";
import { buttonLabels } from "@/lib/site-content";
import { similarProjectSubject } from "@/lib/whatsapp";
import { CaseCapabilitiesSection } from "./CaseCapabilitiesSection";
import { getCaseMedia } from "./case-media";

/**
 * Testes de caminhos-base de CaseCapabilitiesSection: com itens e "Como ficou" (lista e botão), só com "Como ficou"
 * (só o botão), só com itens (só a lista, sem repetir o botão que o fecho da página já traz) e sem nada (não aparece).
 * A existência das capturas em disco é simulada em getCaseMedia.
 */

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

const mockedGetCaseMedia = jest.mocked(getCaseMedia);

const capabilities = [
  "O dono muda os preços sem pedir a ninguém.",
  "O cliente pede pelo WhatsApp com a mensagem pronta.",
];
const withSite = {
  id: "projeto-teste",
  title: "Projeto Teste",
  demoUrl: "https://exemplo.com.br",
};

function messageOf(link: HTMLElement) {
  return new URL(link.getAttribute("href") ?? "").searchParams.get("text");
}

beforeEach(() => {
  mockedGetCaseMedia.mockReturnValue(undefined);
});

describe("CaseCapabilitiesSection", () => {
  it("path: items and a site on the air -> the list under the client title, then the contact button", () => {
    render(
      <CaseCapabilitiesSection
        caseStudy={{ ...withSite, capabilities }}
        isClient
      />,
    );

    expect(
      screen.getByRole("heading", {
        level: 2,
        name: "O que o cliente passou a poder fazer",
      }),
    ).toBeVisible();
    for (const item of capabilities) {
      expect(screen.getByText(item)).toBeVisible();
    }
    const button = screen.getByRole("link", { name: buttonLabels.contact });
    expect(button).toHaveAttribute("target", "_blank");
    expect(button.className).toContain("bg-[var(--slash)]");
    expect(messageOf(button)).toContain(
      `Quero conversar sobre ${similarProjectSubject(withSite.title)}.`,
    );
    // o botão vem depois da lista
    expect(
      screen.getByText(capabilities[1]).compareDocumentPosition(button) &
        Node.DOCUMENT_POSITION_FOLLOWING,
    ).toBeTruthy();
  });

  it("path: a laboratory case with items -> the title does not talk about a client", () => {
    render(
      <CaseCapabilitiesSection
        caseStudy={{ ...withSite, capabilities }}
        isClient={false}
      />,
    );

    expect(
      screen.getByRole("heading", {
        level: 2,
        name: "O que dá para fazer com ele",
      }),
    ).toBeVisible();
    expect(screen.queryByText(/o cliente passou a poder fazer/i)).toBeNull();
  });

  it("path: no items but a capture on disk (no site) -> only the contact button, under a heading that only screen readers get", () => {
    mockedGetCaseMedia.mockImplementation((id, device) =>
      id === "projeto-teste" ? getShowcaseAssets(id, device) : undefined,
    );
    const { container } = render(
      <CaseCapabilitiesSection
        caseStudy={{
          id: "projeto-teste",
          title: "Projeto Teste",
          demoUrl: null,
        }}
        isClient
      />,
    );

    expect(container.querySelector("ul")).toBeNull();
    expect(
      screen.getByRole("link", { name: buttonLabels.contact }),
    ).toBeVisible();
    expect(screen.getByRole("heading", { level: 2 })).toHaveClass("sr-only");
  });

  it("path: items but no 'Como ficou' -> the list stays and the button is not repeated", () => {
    render(
      <CaseCapabilitiesSection
        caseStudy={{
          id: "projeto-teste",
          title: "Projeto Teste",
          demoUrl: null,
          capabilities,
        }}
        isClient
      />,
    );

    expect(screen.getByText(capabilities[0])).toBeVisible();
    expect(screen.queryByRole("link")).toBeNull();
  });

  it("path: no items and no 'Como ficou' -> renders nothing", () => {
    const { container } = render(
      <CaseCapabilitiesSection
        caseStudy={{
          id: "projeto-teste",
          title: "Projeto Teste",
          demoUrl: null,
        }}
        isClient
      />,
    );

    expect(container).toBeEmptyDOMElement();
  });
});