import test from 'node:test';
import assert from 'node:assert/strict';
import { SecondarySubMode } from '../../types';
import { cycleSecondarySubMode } from './subtitle-position';

test('cycleSecondarySubMode cycles and emits broadcast + OSD', () => {
  let mode: SecondarySubMode = 'hover';
  let lastToggleAt = 0;
  const broadcasts: SecondarySubMode[] = [];
  const osd: string[] = [];

  cycleSecondarySubMode({
    getSecondarySubMode: () => mode,
    setSecondarySubMode: (next) => {
      mode = next;
    },
    getLastSecondarySubToggleAtMs: () => lastToggleAt,
    setLastSecondarySubToggleAtMs: (value) => {
      lastToggleAt = value;
    },
    broadcastSecondarySubMode: (next) => {
      broadcasts.push(next);
    },
    showMpvOsd: (text) => {
      osd.push(text);
    },
    now: () => 1000,
  });

  assert.equal(mode, 'hidden');
  assert.deepEqual(broadcasts, ['hidden']);
  assert.deepEqual(osd, ['Secondary subtitle: hidden']);
  assert.equal(lastToggleAt, 1000);
});

test('cycleSecondarySubMode obeys debounce window', () => {
  let mode: SecondarySubMode = 'visible';
  let lastToggleAt = 950;
  let broadcasted = false;
  let osdShown = false;

  cycleSecondarySubMode({
    getSecondarySubMode: () => mode,
    setSecondarySubMode: (next) => {
      mode = next;
    },
    getLastSecondarySubToggleAtMs: () => lastToggleAt,
    setLastSecondarySubToggleAtMs: (value) => {
      lastToggleAt = value;
    },
    broadcastSecondarySubMode: () => {
      broadcasted = true;
    },
    showMpvOsd: () => {
      osdShown = true;
    },
    now: () => 1000,
  });

  assert.equal(mode, 'visible');
  assert.equal(lastToggleAt, 950);
  assert.equal(broadcasted, false);
  assert.equal(osdShown, false);
});