// @vitest-environment jsdom
//
// Plex card a11y: locks the accessible names on the icon-only card controls (the E4 a11y sweep). These
// buttons are icon-only (WatchedIcon / Info / ListPlus, no text), so their name comes solely from the
// aria-label — a dropped label silently reintroduces an unnamed button for screen-reader users. i18n is
// key-passthrough, so the asserted names are the i18n keys.
import { describe, it, expect, afterEach, vi } from "vitest";
import { render, screen, cleanup, fireEvent } from "@testing-library/react";

vi.mock("react-i18next", async (importOriginal) => {
  const actual = await importOriginal<typeof import("react-i18next")>();
  return { ...actual, useTranslation: () => ({ t: (key: string) => key }) };
});

import { PlexPosterCard, SeasonCard, EpisodeCard } from "./plexCards";
import type { PlexCard, PlexSeasonDetail } from "../lib/api";

const movie = (status?: string): PlexCard => ({
  id: "1",
  type: "movie",
  title: "M",
  thumb: "",
  status,
});
const episode = (status?: string): PlexCard => ({
  id: "e1",
  type: "episode",
  title: "E1",
  thumb: "",
  status,
});
const season = (status = "new"): PlexSeasonDetail => ({
  id: "s1",
  season_number: 1,
  title: "S1",
  thumb: "",
  episode_count: 3,
  status,
  episodes: [],
});

afterEach(cleanup);

describe("PlexPosterCard a11y", () => {
  it("names the watched-toggle (mark-watched when unwatched) and the info button", () => {
    render(
      <PlexPosterCard card={movie()} onOpen={vi.fn()} onInfo={vi.fn()} onToggleWatched={vi.fn()} />,
    );
    expect(screen.getByRole("button", { name: "plex.markWatched" })).toBeTruthy();
    expect(screen.getByRole("button", { name: "plex.info.title" })).toBeTruthy();
  });

  it("names the watched-toggle as mark-unwatched when the movie is watched", () => {
    render(
      <PlexPosterCard
        card={movie("watched")}
        onOpen={vi.fn()}
        onInfo={vi.fn()}
        onToggleWatched={vi.fn()}
      />,
    );
    expect(screen.getByRole("button", { name: "plex.markUnwatched" })).toBeTruthy();
  });

  it("reveals the synopsis + rating on the hover scrim when the card carries them", () => {
    render(
      <PlexPosterCard
        card={{ ...movie(), year: 2023, rating: 7.5, summary: "A quiet synopsis." }}
        onOpen={vi.fn()}
        onInfo={vi.fn()}
        onToggleWatched={vi.fn()}
      />,
    );
    expect(screen.getByText("A quiet synopsis.")).toBeTruthy();
    expect(screen.getByText("7.5")).toBeTruthy(); // rating.toFixed(1)
  });

  it("omits the scrim when the card has no synopsis or rating", () => {
    render(
      <PlexPosterCard card={movie()} onOpen={vi.fn()} onInfo={vi.fn()} onToggleWatched={vi.fn()} />,
    );
    expect(screen.queryByText(/synopsis/i)).toBeNull();
  });
});

describe("SeasonCard a11y", () => {
  it("names the watched-toggle and the add-season button", () => {
    render(<SeasonCard se={season()} onOpen={vi.fn()} onToggleWatched={vi.fn()} onAdd={vi.fn()} />);
    expect(screen.getByRole("button", { name: "plex.series.markSeasonWatched" })).toBeTruthy();
    expect(screen.getByRole("button", { name: "plex.playlist.addSeason" })).toBeTruthy();
  });
});

describe("EpisodeCard a11y", () => {
  it("names the watched-toggle and the add-episode button", () => {
    render(
      <EpisodeCard ep={episode()} onPlay={vi.fn()} onToggleWatched={vi.fn()} onAdd={vi.fn()} />,
    );
    expect(screen.getByRole("button", { name: "plex.markWatched" })).toBeTruthy();
    expect(screen.getByRole("button", { name: "plex.playlist.addEpisode" })).toBeTruthy();
  });
});

// E11 S4b: in a keyboard-walkable grid or rail the WHOLE card is the item (the ring goes round the
// poster and its title, D2) and the poster — the card's own role=button — is what Enter opens.
describe("Plex cards in a keyboard-walkable list", () => {
  const cases = [
    [
      "PlexPosterCard",
      (onOpen: () => void, navIndex?: number) => (
        <PlexPosterCard
          card={movie()}
          onOpen={onOpen}
          onInfo={vi.fn()}
          onToggleWatched={vi.fn()}
          navIndex={navIndex}
        />
      ),
    ],
    [
      "SeasonCard",
      (onOpen: () => void, navIndex?: number) => (
        <SeasonCard se={season()} onOpen={onOpen} navIndex={navIndex} />
      ),
    ],
    [
      "EpisodeCard",
      (onOpen: () => void, navIndex?: number) => (
        <EpisodeCard ep={episode()} onPlay={onOpen} navIndex={navIndex} />
      ),
    ],
  ] as const;

  it.each(cases)("%s: the root is the item and the poster is its open element", (_, card) => {
    const onOpen = vi.fn();
    const { container } = render(card(onOpen, 3));
    const root = container.firstElementChild as HTMLElement;
    expect(root.getAttribute("data-nav-index")).toBe("3");
    const open = root.querySelector<HTMLElement>("[data-nav-open]")!;
    expect(open.getAttribute("role")).toBe("button");
    fireEvent.click(open);
    expect(onOpen).toHaveBeenCalledTimes(1);
  });

  it.each(cases)("%s: outside a list it is no item", (_, card) => {
    const { container } = render(card(vi.fn()));
    expect(container.querySelector("[data-nav-index]")).toBeNull();
  });
});