// @vitest-environment jsdom
import { cleanup, render, waitFor } from "@testing-library/react";
import { afterEach, describe, expect, it, vi } from "vitest";

import ScriptCrisp from "./ScriptCrisp";

const { hasConsent, isAppOrAdminSurface } = vi.hoisted(() => ({
  hasConsent: vi.fn(() => false),
  isAppOrAdminSurface: vi.fn(() => false),
}));

vi.mock("react-router", () => ({
  useLocation: () => ({ pathname: "/" }),
}));
vi.mock("~/utils/data/useRootData", () => ({
  useRootData: () => ({ chatWebsiteId: "site-id", userSession: { cookies: [] } }),
}));
vi.mock("~/utils/helpers/CookieHelper", () => ({
  default: { hasConsent },
}));
vi.mock("~/utils/app/HostAwareSurface", () => ({
  isAppOrAdminSurface,
}));

afterEach(() => {
  cleanup();
  document.querySelectorAll('script[src="https://client.crisp.chat/l.js"]').forEach((node) => node.remove());
  delete window.$crisp;
  delete window.CRISP_WEBSITE_ID;
  hasConsent.mockReset();
  hasConsent.mockReturnValue(false);
  isAppOrAdminSurface.mockReset();
  isAppOrAdminSurface.mockReturnValue(false);
});

describe("ScriptCrisp privacy gate", () => {
  it("does not contact Crisp without functional-cookie consent", () => {
    render(<ScriptCrisp nonce="aBcDeFgHiJkLmNoPqRsTuVwX" />);

    expect(document.querySelector('script[src="https://client.crisp.chat/l.js"]')).toBeNull();
  });

  it("loads Crisp on a public surface after consent and carries the CSP nonce", async () => {
    hasConsent.mockReturnValue(true);
    render(<ScriptCrisp nonce="aBcDeFgHiJkLmNoPqRsTuVwX" />);

    await waitFor(() => {
      const script = document.querySelector<HTMLScriptElement>('script[src="https://client.crisp.chat/l.js"]');
      expect(script?.nonce).toBe("aBcDeFgHiJkLmNoPqRsTuVwX");
    });
  });

  it("never loads the public chat script on app or admin surfaces", () => {
    hasConsent.mockReturnValue(true);
    isAppOrAdminSurface.mockReturnValue(true);
    render(<ScriptCrisp nonce="aBcDeFgHiJkLmNoPqRsTuVwX" />);

    expect(document.querySelector('script[src="https://client.crisp.chat/l.js"]')).toBeNull();
  });
});