import { fireEvent, render, screen, within } from "@testing-library/react";
import { OPEN_COOKIE_PREFERENCES_EVENT } from "@/lib/analytics";
import { serviceHubLinks } from "@/lib/site-content";
import Footer from "./Footer";

// o Link do Next, trocado por um <a> que mostra o `prefetch` recebido: HoverPrefetchLink começa em false
jest.mock("next/link", () => ({
  __esModule: true,
  default: ({
    children,
    prefetch,
    ...props
  }: { children?: React.ReactNode; prefetch?: boolean | null } & Record<
    string,
    unknown
  >) => (
    <a data-prefetch={String(prefetch)} {...props}>
      {children}
    </a>
  ),
}));

describe("Footer contact and navigation", () => {
  it("offers a direct mailto link without repeating the contact call to action", () => {
    render(<Footer />);

    // o convite principal fica na secao Contato, logo acima do rodape
    expect(
      screen.queryByRole("link", { name: "Falar sobre meu projeto" }),
    ).not.toBeInTheDocument();

    const emailLink = screen.getByRole("link", {
      name: "evandrofonsecajunior@gmail.com",
    });
    expect(emailLink).toHaveAttribute(
      "href",
      "mailto:evandrofonsecajunior@gmail.com",
    );
    expect(emailLink).not.toHaveAttribute("target", "_blank");
  });

  it("offers WhatsApp in the contact column, in a new tab", () => {
    render(<Footer />);

    const contact = screen.getByRole("region", { name: "Contato" });
    const whatsApp = within(contact).getByRole("link", { name: "WhatsApp" });
    expect(whatsApp.getAttribute("href")).toMatch(/^https:\/\/wa\.me\/\d+\?/);
    expect(whatsApp).toHaveAttribute("target", "_blank");
    expect(whatsApp).toHaveAttribute("rel", "noopener noreferrer");
  });

  it("lists the six services from the services hub as same-tab links", () => {
    render(<Footer serviceLinks={serviceHubLinks} />);

    expect(serviceHubLinks).toHaveLength(6);
    const services = screen.getByRole("navigation", { name: "Serviços" });
    const links = within(services).getAllByRole("link");
    expect(links.map((link) => link.getAttribute("href"))).toEqual(
      serviceHubLinks.map((service) => service.href),
    );
    expect(links.map((link) => link.textContent)).toEqual(
      serviceHubLinks.map((service) => service.label),
    );
    for (const link of links) expect(link).not.toHaveAttribute("target");
  });

  it("links Cases, Privacidade and a discreet Currículo, with no PDF download", () => {
    render(<Footer />);

    const more = screen.getByRole("navigation", { name: "Mais" });
    expect(within(more).getByRole("link", { name: "Cases" })).toHaveAttribute(
      "href",
      "/cases",
    );
    expect(
      within(more).getByRole("link", {
        name: "Revisão de sistema que já existe",
      }),
    ).toHaveAttribute("href", "/ia");
    expect(
      within(more).getByRole("link", { name: "Privacidade" }),
    ).toHaveAttribute("href", "/privacidade");
    const resume = within(more).getByRole("link", { name: "Currículo" });
    expect(resume).toHaveAttribute("href", "/curriculo");
    expect(within(more).getAllByRole("link").at(-1)).toBe(resume);
    expect(screen.queryByRole("link", { name: /baixar|pdf/i })).toBeNull();
    for (const link of screen.getAllByRole("link")) {
      expect(link).not.toHaveAttribute("download");
    }
  });

  it("reopens the cookie preferences from a button", () => {
    const reopen = jest.fn();
    window.addEventListener(OPEN_COOKIE_PREFERENCES_EVENT, reopen);
    render(<Footer />);

    fireEvent.click(
      screen.getByRole("button", { name: "Preferências de cookies" }),
    );

    expect(reopen).toHaveBeenCalledTimes(1);
    window.removeEventListener(OPEN_COOKIE_PREFERENCES_EVENT, reopen);
  });

  it("states the location and rights in Portuguese", () => {
    render(<Footer />);

    expect(
      screen.getByText("Garuva, SC · Atendimento remoto em todo o Brasil"),
    ).toBeInTheDocument();
    expect(
      screen.getByText(/Todos os direitos\s+reservados/),
    ).toBeInTheDocument();
    expect(screen.queryByText(/remote worldwide|all rights/i)).toBeNull();
  });
});

describe("Footer social links", () => {
  it("keeps one LinkedIn profile in a new tab and no GitHub link", () => {
    render(<Footer />);

    const linkedin = screen.getByRole("link", { name: "LinkedIn" });
    expect(linkedin).toHaveAttribute(
      "href",
      "https://www.linkedin.com/in/evandrodevbr/",
    );
    expect(linkedin).toHaveAttribute("target", "_blank");
    expect(linkedin).toHaveAttribute("rel", "noopener noreferrer");
    for (const link of screen.getAllByRole("link")) {
      expect(link.getAttribute("href") ?? "").not.toMatch(/github\.com/);
    }
    expect(screen.queryByRole("link", { name: /github/i })).toBeNull();
  });

  it("keeps Instagram in the contact column, in a new tab", () => {
    render(<Footer />);

    const contact = screen.getByRole("region", { name: "Contato" });
    const instagram = within(contact).getByRole("link", { name: "Instagram" });
    expect(instagram).toHaveAttribute(
      "href",
      "https://www.instagram.com/evandrodevbr/",
    );
    expect(instagram).toHaveAttribute("target", "_blank");
    expect(instagram).toHaveAttribute("rel", "noopener noreferrer");
  });

  it("names the three offers once, with the same words as the home, and no old 'app feito com IA' name", () => {
    render(<Footer />);

    expect(
      screen.getByRole("link", { name: "Revisão de sistema que já existe" }),
    ).toHaveAttribute("href", "/ia");
    expect(screen.queryByText(/app feito com IA/i)).toBeNull();
  });

  it("adds the height of the cookie bar to the bottom padding, so the logo and the copyright are not under it at the end of the page", () => {
    const { container } = render(<Footer />);

    const footer = container.querySelector("footer") as HTMLElement;
    // com a barra fechada a variável não existe: o 0px do fallback deixa o rodapé como era
    expect(footer.className).toContain(
      "pb-[calc(var(--sp-10)+var(--cookie-bar-height,0px))]",
    );
    // no celular o botão flutuante do WhatsApp (72 px) também continua à parte
    expect(footer.className).toContain(
      "max-md:pb-[calc(var(--sp-10)+72px+var(--cookie-bar-height,0px))]",
    );
    expect(footer.className).not.toMatch(/(?:^|\s)py-sp-10(?:\s|$)/);
  });

  it("pre-fetches the internal links only when the visitor reaches them, never by viewport (services, cases, /ia, privacy, résumé, home)", () => {
    render(<Footer serviceLinks={serviceHubLinks} />);

    const internal = screen
      .getAllByRole("link")
      .filter((link) => (link.getAttribute("href") ?? "").startsWith("/"));
    // serviços do hub + Cases, /ia, Privacidade, Currículo + o logo para /#home
    expect(internal.length).toBeGreaterThanOrEqual(serviceHubLinks.length + 5);
    for (const link of internal) {
      expect(link).toHaveAttribute("data-prefetch", "false");
      fireEvent.mouseEnter(link);
      expect(link).toHaveAttribute("data-prefetch", "null");
    }
  });
});