// @vitest-environment jsdom

import { act } from "react";
import { createRoot } from "react-dom/client";
import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
import { MemoryRouter } from "@/lib/router";

vi.mock("@/api/skillRegistry", () => ({
  skillRegistryApi: {
    list: vi.fn(async () => [
      { id: "a/one", name: "One", description: null, sourceId: "a", category: null, activeVersionId: "v1", removedAt: null, averageRating: null, ratingCount: null, taskCount: null, avgCostUsd: null, lastUsedAt: null },
      { id: "a/two", name: "Two", description: null, sourceId: "a", category: null, activeVersionId: "v1", removedAt: null, averageRating: null, ratingCount: null, taskCount: null, avgCostUsd: null, lastUsedAt: null },
      { id: "a/removed", name: "R", description: null, sourceId: "a", category: null, activeVersionId: null, removedAt: 123, averageRating: null, ratingCount: null, taskCount: null, avgCostUsd: null, lastUsedAt: null },
    ]),
  },
}));

vi.mock("@/api/skillGroups", () => ({
  skillGroupsApi: {
    listGroups: vi.fn(async () => [{ id: "g1" }, { id: "g2" }]),
  },
}));

vi.mock("@/context/CompanyContext", () => ({
  useCompany: () => ({
    companies: [],
    selectedCompanyId: "c1",
    selectedCompany: { id: "c1", name: "Test", issuePrefix: "NEX" },
    selectionSource: "manual" as const,
    loading: false,
    error: null,
    setSelectedCompanyId: () => {},
    reloadCompanies: async () => {},
    createCompany: async () => {
      throw new Error("not implemented");
    },
  }),
}));

import { SkillsSection } from "./SkillsSection";

// eslint-disable-next-line @typescript-eslint/no-explicit-any
(globalThis as any).IS_REACT_ACT_ENVIRONMENT = true;

describe("SkillsSection", () => {
  let container: HTMLDivElement;
  let root: ReturnType<typeof createRoot> | null = null;
  let queryClient: QueryClient;

  beforeEach(() => {
    container = document.createElement("div");
    document.body.appendChild(container);
    root = null;
    queryClient = new QueryClient({ defaultOptions: { queries: { retry: false } } });
  });

  afterEach(() => {
    if (root) {
      act(() => {
        root!.unmount();
      });
      root = null;
    }
    if (container.parentNode) container.remove();
    queryClient.clear();
  });

  async function renderAndFlush() {
    root = createRoot(container);
    act(() => {
      root!.render(
        <QueryClientProvider client={queryClient}>
          <MemoryRouter initialEntries={["/instance/settings/general"]}>
            <SkillsSection />
          </MemoryRouter>
        </QueryClientProvider>,
      );
    });
    for (let i = 0; i < 20; i++) {
      await act(async () => {
        await new Promise((resolve) => setTimeout(resolve, 0));
      });
    }
  }

  it("renders the Skills section and counts only non-removed skills", async () => {
    await renderAndFlush();
    expect(container.querySelector("h2")?.textContent).toBe("Skills");
    expect(container.textContent).toContain("Installed skills");
    // Exactly 2 non-removed skills from the mock
    const counts = Array.from(container.querySelectorAll("span")).filter(
      (s) => s.textContent === "2",
    );
    expect(counts.length).toBeGreaterThan(0);
  });

  it("links Open Skill Aggregator to the company-prefixed skills route", async () => {
    await renderAndFlush();
    const openLink = container.querySelector("a[aria-label='Open Skill Aggregator']");
    expect(openLink).not.toBeNull();
    expect(openLink?.getAttribute("href")).toBe("/NEX/skills");
  });
});