import test from 'node:test';
import assert from 'node:assert/strict';
import {
  YOMITAN_LOOKUP_EVENT,
  YOMITAN_POPUP_VISIBLE_HOST_SELECTOR,
  isYomitanPopupVisible,
  registerYomitanLookupListener,
} from './yomitan-popup.js';

test('registerYomitanLookupListener forwards the SubMiner Yomitan lookup event', () => {
  const target = new EventTarget();
  const calls: string[] = [];

  const dispose = registerYomitanLookupListener(target, () => {
    calls.push('lookup');
  });

  target.dispatchEvent(new CustomEvent(YOMITAN_LOOKUP_EVENT));
  dispose();
  target.dispatchEvent(new CustomEvent(YOMITAN_LOOKUP_EVENT));

  assert.deepEqual(calls, ['lookup']);
});

test('isYomitanPopupVisible falls back to querySelector when querySelectorAll is unavailable', () => {
  const root = {
    querySelector: (selector: string) =>
      selector === YOMITAN_POPUP_VISIBLE_HOST_SELECTOR ? ({} as Element) : null,
  } as ParentNode;

  assert.equal(isYomitanPopupVisible(root), true);
});