// @vitest-environment node

import { describe, expect, it, vi } from "vitest";
import { renderToStaticMarkup } from "react-dom/server";
import { SkillCard } from "./SkillCard";
import type { SkillListItem } from "../api/skillRegistry";

// Stub @/lib/router Link as an <a> tag for SSR
vi.mock("@/lib/router", () => ({
  Link: ({ to, children, ...props }: { to: string; children: React.ReactNode; [key: string]: unknown }) =>
    <a href={to as string} {...props}>{children}</a>,
}));

const mockSkill: SkillListItem = {
  id: "test-source/test-skill",
  name: "Test Skill",
  description: "A test skill for unit testing",
  sourceId: "test-source",
  category: "testing",
  activeVersionId: null,
  removedAt: null,
  averageRating: 4.2,
  ratingCount: 10,
  taskCount: null,
  avgCostUsd: null,
  lastUsedAt: null,
};

describe("SkillCard", () => {
  it("renders skill name as a link", () => {
    const html = renderToStaticMarkup(<SkillCard skill={mockSkill} />);
    expect(html).toContain("Test Skill");
    expect(html).toContain("skills/detail/");
  });

  it("renders source badge", () => {
    const html = renderToStaticMarkup(<SkillCard skill={mockSkill} />);
    expect(html).toContain("test-source");
  });

  it("renders star rating when averageRating is non-null", () => {
    const html = renderToStaticMarkup(<SkillCard skill={mockSkill} />);
    expect(html).toContain("4.2");
  });

  it("shows Install skill button when not installed", () => {
    const html = renderToStaticMarkup(
      <SkillCard skill={mockSkill} onInstall={() => {}} />,
    );
    expect(html).toContain("Install skill");
  });

  it("shows Update skill button when installed with update", () => {
    const html = renderToStaticMarkup(
      <SkillCard skill={mockSkill} isInstalled hasUpdate onUpdate={() => {}} />,
    );
    expect(html).toContain("Update skill");
  });

  it("shows update badge when hasUpdate is true", () => {
    const html = renderToStaticMarkup(
      <SkillCard skill={mockSkill} isInstalled hasUpdate onUpdate={() => {}} />,
    );
    expect(html).toContain("Update");
    expect(html).toContain("amber");
  });

  it("shows check icon when installed without update", () => {
    const html = renderToStaticMarkup(
      <SkillCard skill={mockSkill} isInstalled />,
    );
    expect(html).toContain("Installed");
  });

  it("shows loading state on install button", () => {
    const html = renderToStaticMarkup(
      <SkillCard skill={mockSkill} onInstall={() => {}} isLoading />,
    );
    expect(html).toContain("Installing");
  });
});
