/**
 * playtest.mjs — 《音序回响》无头试玩仿真测试（docs/design/13-playtest-criteria.md §3 + §7）。
 *
 * 思路：mock 浏览器环境（window/document/navigator/localStorage/fetch/AudioContext），
 * 加载**真实** engine/audio.js（拿到真实 skipVoice/onComplete/设置语义）与 game.js，
 * 用虚拟时钟推进所有 setTimeout（语音链结束定时器也在其列），手势直接注入
 * game.onGesture（即引擎回调路径）。Math.random 注入种子，全流程可重复。
 *
 * 运行：tools/node/bin/node web/simon/test/playtest.mjs
 */
import fs from 'node:fs';
import path from 'node:path';
import { fileURLToPath } from 'node:url';

const ROOT = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '..'); // web/simon

// ---------------------------------------------------------------- 虚拟时钟
let nowMs = 0;
const timers = new Map();
let nextTimerId = 1;

function vSetTimeout(fn, ms) {
  const id = nextTimerId++;
  timers.set(id, { at: nowMs + (ms || 0), fn });
  return id;
}
function vClearTimeout(id) { timers.delete(id); }

async function flush(rounds = 50) {
  for (let i = 0; i < rounds; i++) await Promise.resolve();
}

/** 推进虚拟时钟 ms，沿途触发到期定时器（含级联）。 */
async function advance(ms) {
  const target = nowMs + ms;
  for (;;) {
    let bestId = null;
    let bestAt = Infinity;
    for (const [id, t] of timers) {
      if (t.at <= target && t.at < bestAt) { bestAt = t.at; bestId = id; }
    }
    if (bestId === null) break;
    const t = timers.get(bestId);
    timers.delete(bestId);
    nowMs = t.at;
    t.fn();
    await flush();
  }
  nowMs = target;
  await flush();
}

async function advanceUntil(cond, { step = 25, max = 60000, desc = '' } = {}) {
  let t = 0;
  while (!cond()) {
    if (t >= max) {
      (globalThis.__origError || console.error)(`[debug] phase=${game?.phase} teachIdx=${game?.teachIdx} teachAwait=${game?.teachAwait} teachErrs=${game?.teachErrs} round=${game?.round} voice=${lastVoice?.() ?? '?'} voicePlaying=${!!audio?._voice} timers=${timers.size}`);
      throw new Error(`advanceUntil 超时（${max}ms）：${desc}`);
    }
    await advance(step);
    t += step;
  }
}

// ---------------------------------------------------------------- 浏览器 mock
const vibLog = [];
const fetchLog = [];
const warnLog = [];
const errorLog = [];
const blockedAssets = new Set(); // 子串匹配，命中的资产 fetch 返回 !ok
const bufDuration = new Map();   // ArrayBuffer -> 秒

function durFor(url) {
  if (url.includes('voice/')) return 1.0;
  if (url.includes('sfx/gameover')) return 0.95;
  if (url.includes('sfx/tone')) return 0.3;
  if (url.includes('bgm/')) return 90;
  return 1.0;
}

function fakeEl() {
  return {
    id: '', className: '', textContent: '', src: '', alt: '', offsetWidth: 0,
    style: { setProperty() {} },
    children: [],
    appendChild(c) { this.children.push(c); },
    remove() {},
    addEventListener() {},
  };
}

const winListeners = new Map();
const windowMock = {
  addEventListener(type, fn) {
    if (!winListeners.has(type)) winListeners.set(type, []);
    winListeners.get(type).push(fn);
  },
  removeEventListener() {},
  dispatch(type, event = {}) {
    for (const fn of winListeners.get(type) || []) fn(event);
  },
  location: { href: '' },
};

const lsStore = new Map();
const localStorageMock = {
  getItem: (k) => (lsStore.has(k) ? lsStore.get(k) : null),
  setItem: (k, v) => lsStore.set(k, String(v)),
  removeItem: (k) => lsStore.delete(k),
};

class FakeAudioParam {
  constructor(v = 0) { this.value = v; }
  setValueAtTime() {}
  cancelScheduledValues() {}
  linearRampToValueAtTime() {}
}

class FakeAudioContext {
  constructor() {
    this.state = 'suspended';
    this.currentTime = 0;
    this.sampleRate = 44100;
    this.destination = {};
  }
  async resume() { this.state = 'running'; }
  createGain() { return { gain: new FakeAudioParam(1), connect() {}, disconnect() {} }; }
  createDynamicsCompressor() {
    return {
      threshold: new FakeAudioParam(), ratio: new FakeAudioParam(),
      attack: new FakeAudioParam(), release: new FakeAudioParam(),
      connect() {}, disconnect() {},
    };
  }
  createBufferSource() {
    return { buffer: null, loop: false, onended: null, connect() {}, disconnect() {}, start() {}, stop() {} };
  }
  createScriptProcessor() { return { connect() {}, disconnect() {}, onaudioprocess: null }; }
  async decodeAudioData(ab) {
    const duration = bufDuration.get(ab) ?? 1;
    return {
      duration, numberOfChannels: 1, sampleRate: 44100,
      getChannelData: () => new Float32Array(8),
    };
  }
}

async function fetchMock(url) {
  fetchLog.push(url);
  const blocked = [...blockedAssets].some((b) => url.includes(b));
  const fsPath = path.join(ROOT, decodeURIComponent(url));
  const ok = !blocked && fs.existsSync(fsPath);
  return {
    ok,
    async arrayBuffer() {
      const ab = new ArrayBuffer(8);
      bufDuration.set(ab, durFor(url));
      return ab;
    },
  };
}

// 种子随机（LCG），保证序列可重复
let seed = 20260830;
function seededRandom() {
  seed = (seed * 1103515245 + 12345) & 0x7fffffff;
  return seed / 0x7fffffff;
}

// 全局安装（defineProperty：Node 24 自带 fetch/performance/navigator 只读 getter）
for (const [k, v] of Object.entries({
  window: windowMock,
  document: {
    body: fakeEl(),
    createElement: () => fakeEl(),
    getElementById: () => null,
  },
  navigator: { vibrate: (p) => vibLog.push(p) },
  localStorage: localStorageMock,
  fetch: fetchMock,
  performance: { now: () => nowMs },
  setTimeout: vSetTimeout,
  clearTimeout: vClearTimeout,
})) {
  Object.defineProperty(globalThis, k, { value: v, configurable: true, writable: true });
}
windowMock.AudioContext = FakeAudioContext;
Math.random = seededRandom;

const origWarn = console.warn;
const origError = console.error;
globalThis.__origError = origError;
console.warn = (...a) => { warnLog.push(a.join(' ')); };
console.error = (...a) => { errorLog.push(a.join(' ')); };

// ---------------------------------------------------------------- 断言框架
let passed = 0;
let failed = 0;
function assert(cond, msg) {
  if (cond) { passed++; console.log(`  ✓ ${msg}`); }
  else { failed++; origError(`  ✗ ${msg}`); } // 失败行走原始 console（console.error 被 mock 捕获）
}
function section(name) { console.log(`\n== ${name}`); }

process.on('unhandledRejection', (e) => {
  failed++;
  origError('  ✗ 未处理 Promise 拒绝:', e);
});

// ---------------------------------------------------------------- 加载引擎与游戏
const { WebAudioEngine } = await import('../../engine/audio.js');
const { settings } = await import('../../engine/settings.js');
const { SimonGame } = await import('../game.js');

// 向导层关闭：回归测试只验证纯游戏逻辑（guide='full' 的行为由 harness/guide.test.mjs 覆盖）
settings.set({ guide: 'off', voice: 'female', speed: 1.0, bgm: 1.0 });

const audio = new WebAudioEngine('audio/');
const game = new SimonGame(audio, fakeEl());
let gameRef = game; // 手势注入目标（第二场景换新实例时切换）

// 间谍：记录播放/跳过/停 BGM
const playLog = [];
const skipLog = [];
const stopBgmLog = [];
const origPlay = audio.play.bind(audio);
audio.play = (id, opts) => { playLog.push({ id, opts: opts || {}, t: nowMs }); return origPlay(id, opts); };
const origSkip = audio.skipVoice.bind(audio);
audio.skipVoice = () => { skipLog.push(nowMs); return origSkip(); };
const origStopBgm = audio.stopBgm.bind(audio);
audio.stopBgm = (ms) => { stopBgmLog.push(ms); return origStopBgm(ms); };

const played = (id) => playLog.some((e) => e.id === id);
const playCount = (id) => playLog.filter((e) => e.id === id).length;
const lastVoice = () => {
  for (let i = playLog.length - 1; i >= 0; i--) {
    if (playLog[i].id.startsWith('voice/')) return playLog[i].id;
  }
  return null;
};

let gestureCount = 0;
// 真实手势回调是独立宏任务；每次注入后 flush 微任务，模拟事件循环间隔
//（否则同一 tick 内连续两个 voice play 会撞上引擎 _playVoice 的异步加载窗口）
async function gesture(g) { gestureCount++; gameRef.onGesture(g); await flush(); }

const GESTURES = ['up', 'down', 'left', 'right', 'tap', 'doubletap'];

// ---------------------------------------------------------------- 全局断言 1：解锁前无音频
section('启动遮罩前（引擎解锁语义）');
audio.play('voice/t0_welcome');
await flush();
assert(warnLog.some((w) => w.includes('尚未解锁')), '解锁前 play 仅 console.warn');
assert(fetchLog.length === 0, '解锁前无任何资产加载');
await audio.unlock();

// ---------------------------------------------------------------- 启动 + 设置边界（全局断言 3）
section('启动 / 设置生效（voice 性别、语速）');
settings.set({ voice: 'male', speed: 1.7 });
game.start();
await advanceUntil(() => !!audio._voice, { desc: 't0_welcome 开播' });
assert(game.phase === 'tutorial', '0.5s 后进入教学（T0）');
assert(lastVoice() === 'voice/t0_welcome', 't0_welcome 播放');
assert(fetchLog.some((u) => u.includes('audio/voice/male/t0_welcome.ogg')), 'voice=male 时从 male 目录取材');
assert(audio._voice.st.tempo === 1.7, 'speed=1.7 时播放实例 tempo=1.7（不变调变速）');
settings.set({ voice: 'female', speed: 1.0 });

// skip_hint 插播 + 长按加速（引擎内置行为过一遍真实代码路径）
await advanceUntil(() => lastVoice() === 'voice/skip_hint' && !!audio._voice, { desc: 'skip_hint 开播' });
assert(fetchLog.some((u) => u.includes('audio/voice/female/skip_hint.ogg')), '切回 female 后下一句从 female 目录取材');
assert(playCount('voice/skip_hint') === 1, 'skip_hint 在 t0 附近插播一次');
windowMock.dispatch('soundgame:longpress');
assert(audio._voice && audio._voice.st.tempo === 1.7, '长按 → 旁白临时 1.7 倍速');
windowMock.dispatch('soundgame:longpressend');
assert(audio._voice && audio._voice.st.tempo === 1.0, '松开 → 恢复 settings.speed');

// ---------------------------------------------------------------- 教学 T1-T6
section('交互式教学（T0-T7）');
// T1 讲解句播放中单击 = 跳过本句（12 号文档 + 本轮裁定）
// 注意：teachIdx 构造即 0，必须以"当前在播 t1_up"为准
await advanceUntil(() => lastVoice() === 'voice/t1_up' && !!audio._voice, { desc: 't1_up 开播' });
assert(game.phase === 'tutorial' && game.teachIdx === 0, 'T1 教学句播放');
{
  const skips = skipLog.length;
  await gesture('tap');
  assert(skipLog.length === skips + 1, '教学讲解播放中单击 = skipVoice()');
  assert(game.phase === 'tutorial' && game.teachIdx === 0, '跳过后教学状态机不破坏');
}
await advanceUntil(() => game.teachAwait, { desc: 'T1 等待输入' });

for (let i = 0; i < GESTURES.length; i++) {
  await advanceUntil(() => game.teachAwait, { desc: `T${i + 1} 等待输入` });
  assert(game.teachIdx === i, `teachIdx 递进到 ${i}`);
  const expected = GESTURES[i];
  if (i === 1) {
    // 错手势：播 t_wrong_* + error 震动，不推进
    const wrong = GESTURES.find((g) => g !== expected && g !== 'down'); // down=跳教学，避开
    await gesture(wrong);
    assert(played('voice/t_wrong_down'), '教学错手势播 t_wrong_down');
    assert(vibLog.some((p) => Array.isArray(p) && p[0] === 60), '教学错手势发 error 震动');
    assert(game.teachIdx === 1 && game.teachAwait, '错手势后仍在原步骤等待');
  }
  await gesture(expected); // i=4 时 expected='tap'：等待输入阶段单击=答题（不跳过）
  if (i < GESTURES.length - 1) {
    await advanceUntil(() => game.teachIdx === i + 1, { desc: `teachIdx → ${i + 1}` });
  }
}
await advanceUntil(() => game.phase === 'announce', { desc: 'T7 收尾后进第 1 轮' });
assert(game.round === 1 && played('voice/round_01'), '教学完成直达第 1 轮播报');

// ---------------------------------------------------------------- 对局辅助
function checkSeqConstraints() {
  const s = game.sequence;
  if (game.round <= 5) {
    for (let i = 2; i < s.length; i++) {
      assert(!(s[i] === s[i - 1] && s[i - 1] === s[i - 2]), `第 ${game.round} 轮序列前三连同手势（位置 ${i}）`);
    }
  }
  for (let i = 3; i < s.length; i++) {
    assert(!(s[i] === s[i - 1] && s[i - 1] === s[i - 2] && s[i - 2] === s[i - 3]), `全程无四连同手势（第 ${game.round} 轮位置 ${i}）`);
  }
}

/** announce →（单击跳过轮次播报）→ playback（手势静默忽略）→ input。 */
async function toInputViaSkip(round) {
  await advanceUntil(() => game.phase === 'announce' && !!audio._voice, { desc: `第 ${round} 轮播报` });
  const skips = skipLog.length;
  await gesture('tap');
  assert(skipLog.length === skips + 1, `第 ${round} 轮 round_* 播报单击可跳`);
  assert(game.phase === 'playback', '跳过后直接进入序列播放');
  const seqSnapshot = game.sequence.join(',');
  await gesture('left'); // playback 阶段任意手势静默忽略（含 voice 也不跳）
  assert(game.phase === 'playback' && game.sequence.join(',') === seqSnapshot, 'playback 阶段手势静默忽略、序列不受影响');
  await advanceUntil(() => game.phase === 'input', { desc: `第 ${round} 轮进入输入` });
  assert(game.inputIdx === 0, `第 ${round} 轮 inputIdx 归零`);
  checkSeqConstraints();
}

/** 语音缺失（round_03 被屏蔽）→ 2.5s 看门狗直接进 playback。 */
async function toInputViaWatchdog(round) {
  await advanceUntil(() => game.phase === 'announce', { desc: `第 ${round} 轮 announce` });
  await advance(300);
  assert(!audio._voice, '被屏蔽的语音确实没有播起来');
  await advanceUntil(() => game.phase === 'playback', { desc: '看门狗兜底进 playback', max: 10000 });
  assert(errorLog.some((e) => e.includes('资产缺失')), '资产缺失仅 console.error');
  const seqSnapshot = game.sequence.join(',');
  await gesture('left');
  assert(game.phase === 'playback' && game.sequence.join(',') === seqSnapshot, '看门狗路径 playback 手势同样忽略');
  await advanceUntil(() => game.phase === 'input', { desc: `第 ${round} 轮进入输入` });
}

let dtAnswerTested = false; // 裁定①：期望恰为 doubletap 时双击=答题
/** 输入阶段按序列原样复现；途中遇到期望 doubletap 时验证"双击=答题不触发重听"。 */
async function answerAll() {
  while (game.phase === 'input' && game.inputIdx < game.sequence.length) {
    const exp = game.sequence[game.inputIdx];
    if (exp === 'doubletap' && !dtAnswerTested) {
      const ch = game.chances;
      const idx = game.inputIdx;
      const relistenCount = playCount('voice/relisten');
      await gesture('doubletap');
      assert(game.inputIdx === idx + 1 && game.chances === ch && playCount('voice/relisten') === relistenCount,
        '裁定①：期望输入恰为 doubletap 时双击=答题（inputIdx 前进、不触发重听）');
      dtAnswerTested = true;
    } else {
      await gesture(exp);
    }
  }
}

/** 把前缀里连续的 doubletap 答掉，直到期望输入非 doubletap。 */
async function answerPastDoubletaps() {
  while (game.phase === 'input' && game.sequence[game.inputIdx] === 'doubletap') {
    await gesture('doubletap'); // 期望即 doubletap → 答题
  }
}

// ---------------------------------------------------------------- 第 1-3 轮
section('第 1-3 轮（含单击跳播报、playback 忽略、看门狗）');
assert(game._interval() === 700, '第 1 轮播放间隔 700ms');
await toInputViaSkip(1);
await answerAll();
await advanceUntil(() => game.phase === 'announce' && game.round === 2, { desc: '进第 2 轮' });

await toInputViaSkip(2);
await answerAll();
blockedAssets.add('round_03'); // 看门狗被测项：在第 3 轮播报发起前屏蔽该语音资产
await advanceUntil(() => game.phase === 'announce' && game.round === 3, { desc: '进第 3 轮' });

await toInputViaWatchdog(3);
await answerAll();
await advanceUntil(() => game.phase === 'announce' && game.round === 4, { desc: '进第 4 轮' });

// ---------------------------------------------------------------- 第 4 轮：答错触发复活
section('第 4 轮：答错消耗复活、序列不变重播');
await toInputViaSkip(4);
assert(game.chances === 1, '初始 1 次重听机会');
{
  const prevSeq = game.sequence;
  const exp = game.sequence[0];
  const wrong = GESTURES.find((g) => g !== exp && g !== 'doubletap');
  await gesture(wrong);
  assert(game.chances === 0, '答错自动消耗复活：chances 1→0');
  assert(game.phase === 'roundend' && played('voice/retry_use'), '播 retry_use');
  await advanceUntil(() => played('voice/chances_out'), { desc: 'chances_out 链播' });
  assert(played('voice/chances_out'), '机会归 0 追加播 chances_out');
  assert(vibLog.some((p) => Array.isArray(p) && p[0] === 60), '答错发 error 震动');
  await advanceUntil(() => game.phase === 'input', { desc: '重播后回输入' });
  assert(game.sequence === prevSeq, '复活重播序列不变（引用相等）');
  assert(game.inputIdx === 0, '复活后输入进度清零');
}
await answerAll();
await advanceUntil(() => game.phase === 'announce' && game.round === 5, { desc: '进第 5 轮' });
assert(game.chances === 1, '每完成 4 轮 chances +1（回到 1）');
assert(played('voice/chance_plus'), '播 chance_plus');

// ---------------------------------------------------------------- 第 5 轮：主动重听 + 边界
section('第 5 轮：主动重听 / chances=0 双击 / 双击冲突裁定');
await toInputViaSkip(5);
{
  await answerPastDoubletaps();
  const relistenCount = playCount('voice/relisten');
  await gesture('doubletap'); // 期望非 doubletap → 主动重听
  assert(game.chances === 0, '主动重听耗机会：chances 1→0');
  assert(playCount('voice/relisten') === relistenCount + 1 && game.phase === 'roundend', '播 relisten 并重播');
  await advanceUntil(() => game.phase === 'input', { desc: '重听重播后回输入' });
  assert(game.inputIdx === 0, '重听后输入进度清零');
}
{
  // chances=0 时双击非期望手势：不判错、播 chances_out
  await answerPastDoubletaps();
  const round = game.round;
  const idx = game.inputIdx;
  const coCount = playCount('voice/chances_out');
  await gesture('doubletap');
  assert(game.phase === 'input' && game.round === round && game.inputIdx === idx, 'chances=0 双击非期望：不判错（round/inputIdx 不变）');
  assert(playCount('voice/chances_out') === coCount + 1, 'chances=0 双击播 chances_out');
  assert(game.chances === 0, 'chances 不变（不为负）');
}
// 答完第 5 轮（途中验证双击=答题）；若本轮没遇到 doubletap 则继续往下轮找
await answerAll();
while (!dtAnswerTested && game.round < 10) {
  await advanceUntil(() => game.phase === 'announce', { desc: '继续找 doubletap 回合' });
  const r = game.round;
  await advanceUntil(() => !!audio._voice, { desc: `第 ${r} 轮播报` });
  await gesture('tap'); // 跳播报
  await advanceUntil(() => game.phase === 'input', { desc: `第 ${r} 轮输入` });
  await answerAll();
}
assert(dtAnswerTested, '双击冲突裁定①已覆盖（序列中出现 doubletap 并验证）');

// ---------------------------------------------------------------- 耗尽后答错 → gameover
section('复活耗尽 → gameover → 结算');
await advanceUntil(() => game.phase === 'input' || game.phase === 'roundend', { desc: '最后一轮输入' });
if (game.phase === 'roundend') {
  await advanceUntil(() => game.phase === 'input', { desc: '进入输入阶段' });
}
assert(game.chances === 0, '复活已耗尽');
const finalRound = game.round;
{
  const exp = game.sequence[game.inputIdx];
  const wrong = GESTURES.find((g) => g !== exp && g !== 'doubletap');
  await gesture(wrong);
}
assert(game.phase === 'gameover', 'chances=0 答错 → gameover');
const gameoverT = nowMs;
const score = finalRound - 1;
const expectedBand = score <= 0 ? 'voice/score_band1' : score <= 3 ? 'voice/score_band2'
  : score <= 6 ? 'voice/score_band3' : score <= 9 ? 'voice/score_band4'
    : score <= 14 ? 'voice/score_band5' : 'voice/score_band6';
assert(!played('bgm/menu'), 'gameover 瞬间尚无 BGM');
// 结算语音链播放中单击 = 跳过本句（不是重开）
await advanceUntil(() => !!audio._voice, { desc: '结算语音链开播' });
for (let i = 0; i < 8 && audio._voice; i++) {
  const ph = game.phase;
  await gesture('tap');
  assert(game.phase === ph && game.phase === 'gameover', '结算语音播放中单击=跳过本句（不重开）');
  await advance(50);
}
await advanceUntil(() => !audio._voice, { desc: '结算语音链播完' });
assert(played('voice/gameover') && played(expectedBand), `score_band 语音与 round-1=${score} 匹配（${expectedBand}）`);
assert(played('voice/new_record'), '破纪录播 new_record');
assert(lsStore.get('soundgame.simon.best') === String(score), 'best 写入 localStorage');
assert(played('sfx/gameover'), 'sfx/gameover 播出');
// 状态 BGM：sfx/gameover 播完 1s 后淡入 menu pad（gameover 起 +2650ms，volume 0.3）
await advanceUntil(() => played('bgm/menu'), { desc: '结算 menu pad 淡入' });
{
  const e = playLog.find((x) => x.id === 'bgm/menu');
  assert(e.opts.volume === 0.3, '结算 bgm/menu 以 volume 0.3 播放');
  assert(e.t - gameoverT >= 2500 && e.t - gameoverT <= 2800, `menu pad 在 sfx/gameover 播完 1s 后淡入（实际 +${e.t - gameoverT}ms）`);
}

// 全程无 BGM（教学/对局）：gameover 之前无任何 bgm 层播放调用
assert(playLog.filter((e) => e.id.startsWith('bgm/') && e.t < gameoverT).length === 0,
  '教学/对局/序列播放全程无 BGM（用户硬性要求）');

// ---------------------------------------------------------------- 速度下限（单测 _interval）
{
  const r = game.round;
  game.round = 1; assert(game._interval() === 700, '第 1 轮 interval=700ms');
  game.round = 11; assert(game._interval() === 440, '第 11 轮 interval=440ms（未到下限）');
  game.round = 12; assert(game._interval() === 420, '第 12 轮起 interval=420ms 下限');
  game.round = 30; assert(game._interval() === 420, '第 30 轮仍为 420ms（不穿了下限）');
  game.round = r;
}

// ---------------------------------------------------------------- 菜单约定 + 重开
section('菜单（下滑呼出）与单击重开');
await gesture('down');
assert(game.phase === 'menu' && played('voice/menu_open'), '下滑呼出菜单');
assert(playCount('bgm/menu') >= 1, '菜单状态挂 bgm/menu（与结算同一首）');
await gesture('tap');
assert(game._menuIdx === 1 && played('voice/menu_home'), '菜单单击循环到"回大厅"');
await gesture('tap');
assert(game._menuIdx === 2 && played('voice/menu_back'), '菜单单击循环到"返回"');
await gesture('up');
assert(played('voice/rules'), '菜单上滑=帮助（规则播报）');
await gesture('doubletap'); // 选中"返回"
assert(game.phase === 'gameover', '菜单双击确认"返回"→ 回结算页');
await advanceUntil(() => !audio._voice, { desc: 'rules 链播完' });
const stopsBefore = stopBgmLog.length;
await gesture('tap'); // 结算页无语音时单击 = 重开
assert(stopBgmLog.length === stopsBefore + 1 && stopBgmLog[stopBgmLog.length - 1] === 300, '单击重开 stopBgm(300) 回静默');
await advanceUntil(() => game.phase === 'announce' && game.round === 1, { desc: '重开进第 1 轮' });
assert(game.phase !== 'tutorial' && playCount('voice/skip_hint') === 1, '单击重开跳过教学直达第 1 轮（skip_hint 不重播）');
await advanceUntil(() => game.phase === 'input', { desc: '重开后第 1 轮输入' });
await answerAll();
assert(game.round === 1 && (game.phase === 'roundend' || game.phase === 'announce'), '重开后对局功能正常');

// ---------------------------------------------------------------- settings.bgm 边界（全局断言 3）
section('settings.bgm 边界');
settings.set({ bgm: 0 });
await flush();
assert(audio._bgm === null, 'bgm=0 立即停播进行中 BGM');
{
  const fetches = fetchLog.filter((u) => u.includes('bgm/menu')).length;
  audio.play('bgm/menu', { volume: 0.3 });
  await flush();
  assert(fetchLog.filter((u) => u.includes('bgm/menu')).length === fetches && audio._bgm === null,
    'bgm=0 时 play(bgm) 只记意图不加载不播放');
}
settings.set({ bgm: 1.0 });
await advanceUntil(() => !!audio._bgm, { desc: 'bgm 恢复自动补播' });
assert(audio._bgm.id === 'bgm/menu', 'bgm 调回非零自动补播最后的状态 BGM');
audio.stopBgm();
settings.set({ bgm: 1.0 });

// ---------------------------------------------------------------- 场景二：教学期下滑=跳教学（现有裁定回归）
section('场景二：教学期下滑=跳过教学');
game.stop(); // 主场景实例收尾（作废旧会话计时器/语音链）
await advance(500);
{
  const game2 = new SimonGame(audio, fakeEl());
  gameRef = game2;
  game2.start();
  await advanceUntil(() => game2.phase === 'tutorial' && lastVoice() === 'voice/t1_up' && !!audio._voice,
    { desc: '场景二 T1 讲解开播' });
  await gesture('down'); // 非"等待练下滑"时刻：下滑=跳整个教学
  assert(played('voice/t_skip'), '教学讲解期下滑播 t_skip 确认句');
  await advanceUntil(() => game2.phase === 'announce' && game2.round === 1, { desc: '跳教学直达第 1 轮' });
  assert(game2.phase !== 'tutorial', '下滑跳过教学直达第 1 轮');
  game2.stop();
  gameRef = game;
  await advance(500);
}

// ---------------------------------------------------------------- 资产引用校验
section('资产引用校验（ogg+m4a 双格式，voice 双性别）');
{
  const src = fs.readFileSync(path.join(ROOT, 'game.js'), 'utf8');
  const ids = new Set();
  for (const m of src.matchAll(/'(voice|sfx|bgm)\/[a-z0-9_]+'/gi)) ids.add(m[0].slice(1, -1));
  for (let i = 1; i <= 20; i++) ids.add(`voice/round_${String(i).padStart(2, '0')}`); // 动态 id
  ids.add('voice/round_more');
  const missing = [];
  for (const id of ids) {
    const [layer, name] = id.split('/');
    if (layer === 'voice') {
      for (const gender of ['male', 'female']) {
        for (const ext of ['ogg', 'm4a']) {
          if (!fs.existsSync(path.join(ROOT, 'audio/voice', gender, `${name}.${ext}`))) {
            missing.push(`audio/voice/${gender}/${name}.${ext}`);
          }
        }
      }
    } else {
      for (const ext of ['ogg', 'm4a']) {
        if (!fs.existsSync(path.join(ROOT, 'audio', layer, `${name}.${ext}`))) {
          missing.push(`audio/${layer}/${name}.${ext}`);
        }
      }
    }
  }
  assert(missing.length === 0, `game.js 引用 ${ids.size} 个资产 id，双格式双性别零缺失${missing.length ? '：缺 ' + missing.join(', ') : ''}`);
}

// ---------------------------------------------------------------- 汇总
section('汇总');
assert(gestureCount <= 120, `手势预算达标（${gestureCount} ≤ 120）`);
console.warn = origWarn;
console.error = origError;
console.log(`\n通过 ${passed} 条断言，失败 ${failed} 条，注入手势 ${gestureCount} 次，虚拟时长 ${(nowMs / 1000).toFixed(1)}s`);
if (failed > 0) {
  console.error('PLAYTEST FAILED');
  process.exit(1);
}
console.log('PLAYTEST PASSED');