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

import { OPEN_COMMAND_BAR_EVENT } from "../../uiEvents.js";
import { useCommandBar, type UseCommandBarOptions } from "./useCommandBar.js";

let controls: ReturnType<typeof useCommandBar>;

function Probe(opts: UseCommandBarOptions) {
  controls = useCommandBar(opts);
  return <div>{controls.open ? "open" : "closed"}</div>;
}

function ctrlK(target: EventTarget = window): void {
  act(() => {
    target.dispatchEvent(
      new KeyboardEvent("keydown", { key: "k", ctrlKey: true, bubbles: true, cancelable: true }),
    );
  });
}

afterEach(cleanup);

describe("useCommandBar", () => {
  it("opens on ctrl-k, from the capture phase so an attached xterm never sees it", () => {
    const view = render(<Probe />);
    ctrlK();
    expect(view.container.textContent).toBe("open");
  });

  it("stays deaf while the bar is already up — its own input owns the keys", () => {
    const onOpen = vi.fn();
    render(<Probe onOpen={onOpen} />);
    ctrlK();
    ctrlK();
    expect(onOpen).toHaveBeenCalledTimes(1);
  });

  it("leaves a form field's own Ctrl-K alone", () => {
    const field = document.createElement("input");
    document.body.appendChild(field);
    const view = render(<Probe />);
    ctrlK(field);
    expect(view.container.textContent).toBe("closed");
    field.remove();
  });

  it("opens from the sidebar's search field, the touch entry point", () => {
    const view = render(<Probe />);
    act(() => {
      document.dispatchEvent(new CustomEvent(OPEN_COMMAND_BAR_EVENT));
    });
    expect(view.container.textContent).toBe("open");
  });

  it("runs the caller's hook before opening, so a preview is discarded first", () => {
    const onOpen = vi.fn();
    render(<Probe onOpen={onOpen} />);
    ctrlK();
    expect(onOpen).toHaveBeenCalledTimes(1);
  });

  it("closes on demand", () => {
    const view = render(<Probe />);
    ctrlK();
    act(() => controls.closeBar());
    expect(view.container.textContent).toBe("closed");
  });

  it("binds nothing while disabled — another overlay owns the keyboard", () => {
    const view = render(<Probe enabled={false} />);
    ctrlK();
    expect(view.container.textContent).toBe("closed");
  });
});