import React from "react";
import { renderWithProviders as render, screen } from "../utils/test-utils";
import { describe, it, expect } from "vitest";
import FeatureGrid from "../../app/components/sections/FeatureGrid";
import {
  componentTestSuite,
  ComponentTestSuiteConfig,
} from "../utils/componentTestSuite";

type FeatureGridProps = React.ComponentProps<typeof FeatureGrid>;

const baseProps: FeatureGridProps = {
  title: "Feature Tools",
  subtitle: "Everything you need",
};

const config: ComponentTestSuiteConfig<FeatureGridProps> = {
  component: FeatureGrid,
  name: "FeatureGrid",
  props: baseProps,
  optionalProps: {
    className: "custom-class",
    title: undefined,
    subtitle: undefined,
  },
  primaryRole: "region",
  testCases: {
    renders: true,
    accessibility: true,
    keyboardNavigation: false,
    disabledState: false,
    errorState: false,
  },
};

componentTestSuite<FeatureGridProps>(config);

describe("FeatureGrid (behavioral tests)", () => {
  it("renders title and subtitle", () => {
    render(<FeatureGrid title="Test Title" subtitle="Test Subtitle" />);
    expect(
      screen.getByRole("heading", { name: "Test Title" }),
    ).toBeInTheDocument();
    expect(screen.getByText("Test Subtitle")).toBeInTheDocument();
    expect(
      screen.queryByRole("heading", { name: "Test Subtitle" }),
    ).not.toBeInTheDocument();
  });

  it("renders all four feature cards as static tiles", () => {
    render(<FeatureGrid title="Test" subtitle="Test" />);
    expect(screen.getByText("Choose how you decide")).toBeInTheDocument();
    expect(screen.getByText("Name your values")).toBeInTheDocument();
    expect(screen.getByText("Define membership")).toBeInTheDocument();
    expect(screen.getByText("Plan for conflict")).toBeInTheDocument();
    expect(
      screen.queryByRole("link", { name: "Choose how you decide" }),
    ).not.toBeInTheDocument();
  });

  it("sends Explore the toolkit to the Learn page", () => {
    render(<FeatureGrid title="Test" subtitle="Test" />);
    expect(
      screen.getByRole("link", { name: "Explore the toolkit" }),
    ).toHaveAttribute("href", "/learn");
  });

  it("does not apply a focus ring to the entire grid shell", () => {
    render(<FeatureGrid title="Test" subtitle="Test" />);
    const shell = document.querySelector('[data-figma-node="18632-10668"]');
    expect(shell?.className).not.toContain("focus-within:ring-2");
  });

  it("has proper accessibility attributes", () => {
    render(<FeatureGrid title="Test" subtitle="Test" />);
    const section = document.querySelector("section");
    expect(section).toHaveAttribute("aria-labelledby", "feature-grid-headline");
  });

  it("handles missing props gracefully", () => {
    render(<FeatureGrid />);
    const section = document.querySelector("section");
    expect(section).toBeInTheDocument();
  });

  it("uses Figma invert surface colors on feature cards", () => {
    render(<FeatureGrid title="Test" subtitle="Test" />);
    expect(
      document.querySelector(
        '[class*="bg-[var(--color-surface-invert-brand-lavender)]"]',
      ),
    ).toBeInTheDocument();
    expect(
      document.querySelector(
        '[class*="bg-[var(--color-surface-invert-brand-lime)]"]',
      ),
    ).toBeInTheDocument();
    expect(
      document.querySelector(
        '[class*="bg-[var(--color-surface-invert-brand-rust)]"]',
      ),
    ).toBeInTheDocument();
    expect(
      document.querySelector(
        '[class*="bg-[var(--color-surface-invert-brand-teal)]"]',
      ),
    ).toBeInTheDocument();
  });

  it("marks the content block with the Figma node id", () => {
    render(<FeatureGrid title="Test" subtitle="Test" />);
    expect(
      document.querySelector('[data-figma-node="18632-10668"]'),
    ).toBeInTheDocument();
  });

  it("uses Figma responsive typography on the feature lockup", () => {
    render(<FeatureGrid title="Test Title" subtitle="Test Subtitle" />);
    const title = screen.getByRole("heading", { name: "Test Title" });
    expect(title.className).toMatch(/text-\[18px\]/);
    expect(title.className).toMatch(/md:text-\[length:var\(--sizing-600,24px\)\]/);
    const subtitle = screen.getByText("Test Subtitle");
    expect(subtitle.tagName).toBe("P");
    expect(subtitle).toHaveClass("text-small-paragraph", "md:text-medium-paragraph");
  });

  it("renders 40px decorative icons from Figma", () => {
    render(<FeatureGrid title="Test" subtitle="Test" />);
    const icons = document.querySelectorAll("section img");
    expect(icons.length).toBe(4);
    icons.forEach((icon) => {
      expect(icon).toHaveAttribute("width", "40");
      expect(icon).toHaveAttribute("height", "40");
      expect(icon).toHaveAttribute("alt", "");
      expect(icon.getAttribute("src")).toMatch(/^\/assets\/icons\/icon-/);
    });
  });
});