// @vitest-environment jsdom
//
// The video menu's download row was labelled with the download's STATE ("Downloaded",
// "In queue") — a row that reads as a status yet opens the download dialog. It is "Download…" now,
// the state riding along as the row's hint.
import type { ReactNode } from "react";
import { afterEach, describe, expect, it, vi } from "vitest";
import { cleanup, renderHook, waitFor } from "@testing-library/react";
import { QueryClient, QueryClientProvider } from "@tanstack/react-query";

vi.mock("react-i18next", async (importOriginal) => ({
  ...(await importOriginal<typeof import("react-i18next")>()),
  useTranslation: () => ({ t: (k: string) => k }),
}));
vi.mock("./navigationContext", () => ({ useNavigationActions: () => ({ openChannel: vi.fn() }) }));
vi.mock("./comfortPin", () => ({
  pinVideo: vi.fn(),
  useComfortPin: () => ({ item: () => [] }),
}));

import { api, type Video } from "../lib/api";
import { useVideoActions } from "./useVideoActions";

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

const video = { id: "v1", title: "A video", status: "new", position_seconds: 0 } as Video;

function downloadRow(state: string | undefined) {
  vi.spyOn(api, "downloadIndex").mockResolvedValue(
    (state ? { v1: state } : {}) as Awaited<ReturnType<typeof api.downloadIndex>>,
  );
  const qc = new QueryClient({ defaultOptions: { queries: { retry: false } } });
  const wrapper = ({ children }: { children: ReactNode }) => (
    <QueryClientProvider client={qc}>{children}</QueryClientProvider>
  );
  const { result } = renderHook(
    () => useVideoActions({ onState: vi.fn(), onToggleSave: vi.fn() }, true),
    { wrapper },
  );
  return () => result.current.items(video, null).find((i) => i.id === "download")!;
}

describe("the video menu's download row", () => {
  // The state rode in a `title`, which a key or a finger never shows.
  it("says what it does, whatever the state, and carries the state as its note", async () => {
    const done = downloadRow("done");
    await waitFor(() => expect(done().note).toBe("downloads.button.downloaded"));
    expect(done().label).toBe("downloads.menu.download");
    cleanup();
    const none = downloadRow(undefined);
    await waitFor(() => expect(none().label).toBe("downloads.menu.download"));
    expect(none().note).toBeUndefined();
  });
});

// The feed's channel filter from a card (owner): under "Open the channel", a row that adds the card's
// channel to the filter, or takes it out again when it is already in.
describe("the video menu's channel-filter row", () => {
  const menu = (ids: string[] | null) => {
    vi.spyOn(api, "downloadIndex").mockResolvedValue({});
    const set = vi.fn();
    const qc = new QueryClient({ defaultOptions: { queries: { retry: false } } });
    const wrapper = ({ children }: { children: ReactNode }) => (
      <QueryClientProvider client={qc}>{children}</QueryClientProvider>
    );
    const { result } = renderHook(
      () =>
        useVideoActions(
          {
            onState: vi.fn(),
            onToggleSave: vi.fn(),
            channelFilter: ids ? { ids, set } : undefined,
          },
          true,
        ),
      { wrapper },
    );
    const items = result.current.items({ ...video, channel_id: "UCa" }, null);
    return { items, set };
  };

  it("adds the channel to a filter that names others, right under Open the channel", () => {
    const { items, set } = menu(["UCz"]);
    const at = items.findIndex((i) => i.id === "channel");
    const row = items[at + 1]!;
    expect(row.id).toBe("channel-filter");
    expect(row.label).toBe("card.menu.channelFilterAdd");
    row.onSelect?.();
    expect(set).toHaveBeenCalledWith(["UCz", "UCa"]);
  });

  it("takes it out again when it is in", () => {
    const { items, set } = menu(["UCz", "UCa"]);
    const row = items.find((i) => i.id === "channel-filter")!;
    expect(row.label).toBe("card.menu.channelFilterRemove");
    row.onSelect?.();
    expect(set).toHaveBeenCalledWith(["UCz"]);
  });

  it("is absent where the host gives no filter (a channel page, Home, a live search)", () => {
    expect(menu(null).items.some((i) => i.id === "channel-filter")).toBe(false);
  });
});