import { render, screen, within } from "@testing-library/react";
import { useReducedMotion } from "@/app/hooks/useReducedMotion";
import { primaryButton, secondaryButtonLight } from "./button-styles";
import { WorkModalities } from "./WorkModalities";

/**
 * Testes de caminhos-base de WorkModalities e TierCard: movimento normal x reduzido, plano em destaque
 * (botão e borda) x demais planos, e serviços do hub ausentes x presentes.
 * O `motion/react` é trocado por elementos simples que registram as props de animação.
 */

const mockSeen = jest.fn();

jest.mock("motion/react", () => {
  const React = require("react");
  const cache = new Map<string, unknown>();
  const motion = new Proxy(
    {},
    {
      get: (_target, tag: string) => {
        if (!cache.has(tag)) {
          cache.set(
            tag,
            ({
              children,
              variants,
              whileHover,
              whileTap,
              transition,
              initial: _initial,
              animate: _animate,
              whileInView: _whileInView,
              viewport: _viewport,
              ...props
            }: Record<string, unknown> & { children?: unknown }) => {
              mockSeen(tag, { variants, whileHover, whileTap, transition });
              return React.createElement(tag, props, children);
            },
          );
        }
        return cache.get(tag);
      },
    },
  );
  return { motion };
});

jest.mock("@/app/hooks/useReducedMotion", () => ({
  useReducedMotion: jest.fn(),
}));

jest.mock("./Section", () => ({
  Section: ({ children, id }: { children?: React.ReactNode; id?: string }) => (
    <section id={id}>{children}</section>
  ),
}));

jest.mock("./animations/DrawLine", () => ({ DrawLine: () => null }));

type Seen = {
  variants?: {
    hidden: Record<string, unknown>;
    visible: { transition: Record<string, unknown> };
  };
  whileHover?: unknown;
  whileTap?: unknown;
};

const serviceLinks = [
  {
    href: "/servicos/criacao-de-sites",
    label: "Sites profissionais",
    description: "Presença digital para a empresa.",
  },
  {
    href: "/servicos/tauri-rust",
    label: "Aplicativos de desktop",
    description: "Programas rápidos para o computador.",
  },
];

function seen(tag: string): Seen[] {
  return mockSeen.mock.calls
    .filter(([name]) => name === tag)
    .map(([, props]) => props as Seen);
}

beforeEach(() => {
  mockSeen.mockClear();
});

describe("WorkModalities: movimento", () => {
  it("path: normal motion -> tiers rise in, with hover lift and press feedback", () => {
    jest.mocked(useReducedMotion).mockReturnValue(false);

    render(<WorkModalities />);

    const items = seen("div").filter(
      (props) => props.variants?.hidden?.opacity === 0,
    );
    expect(items).toHaveLength(3);
    for (const item of items) {
      expect(item.variants?.hidden).toEqual({
        opacity: 0,
        y: 20,
        clipPath: "inset(100% 0 0 0)",
      });
      expect(item.variants?.visible.transition).toEqual({
        duration: 0.75,
        ease: [0.16, 1, 0.3, 1],
      });
    }
    const cards = seen("article");
    expect(cards).toHaveLength(3);
    for (const card of cards) {
      expect(card.whileHover).toEqual({
        y: -4,
        boxShadow: "0 24px 50px rgba(0, 0, 0, 0.08)",
      });
      expect(card.whileTap).toEqual({ scale: 0.99 });
    }
  });

  it("path: reduced motion -> tiers only fade, with no hover lift and no press feedback", () => {
    jest.mocked(useReducedMotion).mockReturnValue(true);

    render(<WorkModalities />);

    const items = seen("div").filter(
      (props) => props.variants?.hidden?.opacity === 0,
    );
    expect(items).toHaveLength(3);
    for (const item of items) {
      expect(item.variants?.hidden).toEqual({ opacity: 0 });
      expect(item.variants?.visible.transition).toEqual({ duration: 0.25 });
    }
    for (const card of seen("article")) {
      expect(card.whileHover).toBeUndefined();
      expect(card.whileTap).toBeUndefined();
    }
  });
});

describe("WorkModalities: plano em destaque", () => {
  it("path: the featured tier has the filled button and the thick border; the others have outline buttons", () => {
    jest.mocked(useReducedMotion).mockReturnValue(false);

    const { container } = render(<WorkModalities />);

    const featured = screen.getByRole("link", {
      name: "Conversar sobre meu sistema",
    });
    expect(featured.className).toContain(primaryButton);
    expect(featured.closest("article")).toHaveStyle({ borderWidth: "2px" });
    expect(featured.closest("article")).toHaveClass("border-[var(--slash)]");

    for (const name of ["Avaliar meu projeto", "Planejar a próxima etapa"]) {
      const other = screen.getByRole("link", { name });
      expect(other.className).toContain(secondaryButtonLight);
      expect(other.className).not.toContain(primaryButton);
      expect(other.closest("article")).toHaveStyle({ borderWidth: "1px" });
      expect(other.closest("article")).not.toHaveClass("border-[var(--slash)]");
    }
    expect(container.querySelectorAll("article")).toHaveLength(3);
  });
});

describe("WorkModalities: serviços do hub", () => {
  it("path: no serviceLinks prop -> no service cards, the 'all services' link stays", () => {
    jest.mocked(useReducedMotion).mockReturnValue(false);

    render(<WorkModalities />);

    expect(
      screen.getByRole("link", { name: "Conhecer todos os serviços" }),
    ).toHaveAttribute("href", "/servicos");
    expect(
      screen.queryByRole("link", { name: /Sites profissionais/ }),
    ).toBeNull();
  });

  it("path: serviceLinks given -> one card per service, in order, linking to its page", () => {
    jest.mocked(useReducedMotion).mockReturnValue(false);

    const { container } = render(
      <WorkModalities serviceLinks={serviceLinks} />,
    );

    const grid = container.querySelector(
      "[data-reel-stagger='left']",
    ) as HTMLElement;
    const links = within(grid).getAllByRole("link");
    expect(links.map((link) => link.getAttribute("href"))).toEqual(
      serviceLinks.map(({ href }) => href),
    );
    expect(
      within(links[0]).getByText("Sites profissionais"),
    ).toBeInTheDocument();
    expect(
      within(links[1]).getByText("Programas rápidos para o computador."),
    ).toBeInTheDocument();
  });
});