// @vitest-environment jsdom
//
// The live-search button's tooltip says what a search costs under the search source the instance
// actually runs. It used to say "uses shared API quota" always, while the default source (the
// website's own endpoint) spends none — so the owner avoided a free search for months.
import { describe, it, expect, vi, afterEach } from "vitest";
import { render, screen, cleanup } from "@testing-library/react";
import type { Me } from "../../lib/api";

vi.mock("react-i18next", async (importOriginal) => ({
  ...(await importOriginal<typeof import("react-i18next")>()),
  useTranslation: () => ({ t: (k: string) => k, i18n: { language: "en" } }),
}));
let me = {} as Me;
vi.mock("../../lib/useMe", () => ({ useMe: () => me }));
vi.mock("../../features/navigation/navigationContext", () => ({
  useNavigationActions: () => ({ enterYtSearch: vi.fn() }),
}));
vi.mock("./feedFiltersContext", () => ({
  useFeedFilters: () => ({ q: "cats", sort: "newest" }),
  useFeedFiltersActions: () => ({ setFilters: vi.fn() }),
}));
vi.mock("../channels", () => ({
  useChannelsActions: () => ({ goToFullHistory: vi.fn() }),
  SyncStatus: () => null,
}));
vi.mock("./FeedScopeToggle", () => ({ default: () => null }));
vi.mock("../../components/ui/PageScroller", () => ({
  default: ({ children }: { children: React.ReactNode }) => <div>{children}</div>,
}));

import FeedHeader from "./FeedHeader";
import PageShell from "../../components/ui/PageShell";

afterEach(() => {
  cleanup();
  vi.unstubAllGlobals();
});

function tipFor(source: Me["search_source"]): string | null {
  vi.stubGlobal(
    "ResizeObserver",
    class {
      observe() {}
      disconnect() {}
    },
  );
  me = { search_source: source, search_enabled: true, role: "user" } as Me;
  render(
    <PageShell header={<div />}>
      <FeedHeader />
    </PageShell>,
  );
  return screen.getByRole("button", { name: /header\.searchYoutube$/ }).getAttribute("title");
}

describe("the live-search tooltip", () => {
  it("does not claim a quota cost under the free website source", () => {
    expect(tipFor("scrape")).toBe("header.searchYoutubeTip");
  });

  it("names the quota cost when the instance searches through the official API", () => {
    expect(tipFor("api")).toBe("header.searchYoutubeTipApi");
  });
});

describe("the live-search button", () => {
  it("is left out when the instance turned live search off", () => {
    vi.stubGlobal(
      "ResizeObserver",
      class {
        observe() {}
        disconnect() {}
      },
    );
    me = { search_source: "scrape", search_enabled: false, role: "user" } as Me;
    render(
      <PageShell header={<div />}>
        <FeedHeader />
      </PageShell>,
    );
    expect(screen.queryByRole("button", { name: /header\.searchYoutube$/ })).toBeNull();
  });
});