// ==UserScript==
// @name         国开助手
// @namespace    https://eduai.lovie.me/
// @version      0.5.8
// @description  国开课程视频试跑 + 当前试卷自动作答；核心答案走服务器，脚本本身不含题库。
// @icon         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
// @author       国开助手
// @match        *://*.ouchn.cn/*
// @grant        GM_xmlhttpRequest
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_registerMenuCommand
// @grant        GM_notification
// @grant        GM_setClipboard
// @connect      eduai.lovie.me
// @connect      menhu.pt.ouchn.cn
// @run-at       document-idle
// ==/UserScript==

(function () {
  'use strict';

  // ======== 运营配置（发之前只改这里）========
  const CFG = {
    QQ_GROUP: '3930058219',
    QQ_LINK: '',
    HOMEPAGE: 'https://eduai.lovie.me/s/',
    SERVER_BASE: 'https://eduai.lovie.me',
    VIDEO_RATE: 4,
    CHUNK: 120,
    PANEL_KEY: 'gk_trial_panel_open',
    AUTH_KEY: 'gk_trial_auth_v3'
  };

  // ======== 通用小工具 ========
  const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
  function gmGet(k, d) {
    try {
      if (typeof GM_getValue === 'function') { const v = GM_getValue(k, null); return v === null ? d : v; }
      const v = localStorage.getItem(k); return v === null ? d : JSON.parse(v);
    } catch (e) { return d; }
  }
  function gmSet(k, v) {
    try {
      if (typeof GM_setValue === 'function') GM_setValue(k, v);
      else localStorage.setItem(k, JSON.stringify(v));
    } catch (e) {}
  }
  function gmXhr(opts) {
    if (typeof GM_xmlhttpRequest === 'function') {
      return new Promise((resolve, reject) => {
        GM_xmlhttpRequest({
          method: opts.method || 'GET', url: opts.url,
          headers: opts.headers || {}, data: opts.data,
          timeout: opts.timeout || 30000,
          onload: resolve, onerror: reject,
          ontimeout: () => reject(new Error('请求超时'))
        });
      });
    }
    return fetch(opts.url, { method: opts.method || 'GET', headers: opts.headers, body: opts.data })
      .then(async (r) => ({ status: r.status, responseText: await r.text() }));
  }
  function deviceId() {
    let d = gmGet('gk_trial_device', '');
    if (!d) {
      const hex = '0123456789ABCDEF';
      for (let i = 0; i < 8; i++) d += hex[Math.floor(Math.random() * 16)];
      gmSet('gk_trial_device', d);
    }
    return d;
  }

  // ======== 页面识别 ========
  function guessActivityId() {
    try {
      let m = location.href.match(/learning-activity(?:\/full-screen)?#\/(\d{6,})/i);
      if (m) return m[1];
      m = location.href.match(/[#/](?:learning-activity|activity|activities)[\/=](\d{6,})/i);
      if (m) return m[1];
      m = location.href.match(/(?:learning-activity|activity|activities)[\/=](\d{6,})/i);
      if (m) return m[1];
      const b = document.body;
      if (b && b.dataset && b.dataset.activityId) return b.dataset.activityId;
      const el = document.querySelector('[data-activity-id]');
      if (el) return el.getAttribute('data-activity-id') || '';
      const es = performance.getEntriesByType('resource').map((e) => e.name);
      for (const u of es) {
        let mm = u.match(/\/api\/activities\/(\d{6,})/);
        if (mm) return mm[1];
        mm = u.match(/activities-read\/(\d{6,})/);
        if (mm) return mm[1];
      }
    } catch (e) {}
    return '';
  }
  function pickVideo() {
    const vs = Array.from(document.querySelectorAll('video'));
    return vs.find((v) => isFinite(v.duration) && v.duration > 0) || vs[0] || null;
  }
  function guessStudent() {
    try {
      const hay = location.href + ' ' + location.hash;
      let m = hay.match(/(?:student_?id|studentId|user_?no|userNumber|username)[=:_-]?(\d{6,20})/i);
      if (m) return m[1];
      m = ((document.body && document.body.innerText) || '').match(/(?:学号|学号[:：])\s*(\d{6,20})/);
      if (m) return m[1];
      for (let i = 0; i < localStorage.length; i++) {
        const k = localStorage.key(i) || '';
        if (!/user|student|account|学号/i.test(k)) continue;
        const v = localStorage.getItem(k) || '';
        const mm = v.match(/\d{8,20}/);
        if (mm) return mm[0];
      }
    } catch (e) {}
    return '';
  }
  function guessCourse() {
    try {
      const h = document.querySelector('h1, .course-title, .course-name');
      const s = ((h && h.innerText) || document.title || '').trim();
      return s.replace(/\s+/g, ' ').slice(0, 40);
    } catch (e) { return ''; }
  }
  function guessExamId() {
    try {
      const hay = location.pathname + location.search + location.hash;
      if (!/exam/i.test(hay)) return '';
      const m = location.pathname.match(/\/exam\/(\d{5,})/i);
      if (m) return m[1];
      const hm = location.hash.match(/\/exam\/(\d{5,})/i);
      if (hm) return hm[1];
      const qs = new URLSearchParams(location.search);
      for (const k of ['exam_id', 'examId', 'exam']) {
        const v = qs.get(k) || '';
        if (/^\d{5,}$/.test(v)) return v;
      }
      const b = document.body;
      if (b && b.dataset && b.dataset.examId) return b.dataset.examId;
      const el = document.querySelector('[data-exam-id]');
      if (el) return el.getAttribute('data-exam-id') || '';
      for (const sc of Array.from(document.scripts || [])) {
        const t = sc.textContent || '';
        const mm = t.match(/"exam_id"\s*:\s*"?(\d{5,})/);
        if (mm) return mm[1];
      }
    } catch (e) {}
    return '';
  }
  // 学号不让客户手填：先看页面，再从学校门户取（浏览器里本来就有登录态）
  const studentCache = { no: String(gmGet('gk_student', '') || ''), at: 0 };
  let resolvingStudent = null;
  async function fetchPortalStudent() {
    try {
      const r = await gmXhr({
        method: 'POST',
        url: 'https://menhu.pt.ouchn.cn/ouchnapp/wap/user/get-info',
        headers: {
          'Accept': 'application/json, text/plain, */*',
          'Content-Type': 'application/x-www-form-urlencoded'
        },
        data: '', timeout: 6000
      });
      const j = JSON.parse((r && r.responseText) || '{}');
      const d = (j && j.d) || {};
      const role = d.role || {};
      const no = String(role.number || d.uid || '').trim();
      if (/^\d{6,20}$/.test(no)) return no;
    } catch (e) {}
    return '';
  }
  function resolveStudent(force) {
    if (!force && studentCache.no && Date.now() - studentCache.at < 120000) {
      return Promise.resolve(studentCache.no);
    }
    if (resolvingStudent) return resolvingStudent;
    resolvingStudent = (async () => {
      let no = guessStudent();
      const portal = await fetchPortalStudent();
      // 门户当前登录账号最权威：换号后不会拿旧学号去扣额度
      if (portal) no = portal;
      resolvingStudent = null;
      if (no) {
        studentCache.no = no;
        studentCache.at = Date.now();
        gmSet('gk_student', no);
      }
      return no;
    })();
    return resolvingStudent;
  }
  const maskStudent = (no) => no ? (no.slice(0, 3) + '****' + no.slice(-4)) : '';

  // ======== 授权 / 额度 ========
  let AUTH = gmGet(CFG.AUTH_KEY, {}) || {};
  let USAGE = null;
  const now = () => Date.now();
  const token = () => AUTH.token || AUTH.trialToken || '';
  const trialActive = () => !AUTH.token && AUTH.trialToken && (AUTH.trialEnd || 0) > now();
  const isAuthed = () => !!AUTH.token || trialActive();
  let expiredLogged = false;

  function saveAuth() { gmSet(CFG.AUTH_KEY, AUTH); }
  function trialLeftText() {
    if (AUTH.token) return '已登录：' + (AUTH.user || '用户');
    if (trialActive()) {
      const s = Math.max(0, Math.floor((AUTH.trialEnd - now()) / 1000));
      const h = Math.floor(s / 3600), m = Math.floor((s % 3600) / 60), ss = s % 60;
      return '体验剩余 ' + String(h).padStart(2, '0') + ':' + String(m).padStart(2, '0') + ':' + String(ss).padStart(2, '0');
    }
    if (AUTH.trialUsed) return '体验已结束，注册后继续';
    return '未登录：点下面「注册 / 登录」或「免费体验 120 分钟」';
  }
  function quotaText() {
    if (!USAGE) return isAuthed() ? '正在读取额度…' : '登录/体验后显示额度';
    if (USAGE.kind === 'trial') {
      return '体验已用学号 ' + (USAGE.used || 0) + '/' + (USAGE.limit || 3) + '；到期后注册，每天免费 1 个学号';
    }
    return '今日学号 ' + ((USAGE.today || []).length) + ' 个（免费名额' +
      (USAGE.free_used ? '已用' : '可用') + '）· 点数 ' + (USAGE.credits || 0) +
      ' · 明天还有 1 个免费（只认学号）';
  }
  function renderQuota() {
    el('#quota').textContent = quotaText();
    authline.textContent = trialLeftText();
    const cta = el('#authCta');
    if (cta) cta.style.display = isAuthed() ? 'none' : 'block';
  }
  async function api(path, body) {
    const r = await gmXhr({
      method: 'POST', url: CFG.SERVER_BASE + path,
      headers: { 'Content-Type': 'application/json' },
      data: JSON.stringify(body)
    });
    let j = {};
    try { j = JSON.parse(r.responseText || '{}'); } catch (e) {}
    j._status = r.status;
    return j;
  }
  async function loadUsage() {
    if (!isAuthed()) { USAGE = null; renderQuota(); return; }
    try {
      const j = await api('/dati/api/usage', { token: token(), device: deviceId() });
      if (j.ok) {
        USAGE = j;
        if (j.kind === 'trial' && j.left) AUTH.trialEnd = now() + j.left * 1000;
      } else if (j._status === 401) { AUTH = {}; saveAuth(); USAGE = null; }
    } catch (e) {}
    renderQuota();
  }
  async function startTrial() {
    authMsg.textContent = '正在开通体验…';
    try {
      const j = await api('/dati/api/trial/start', { device: deviceId() });
      if (!j.ok) {
        authMsg.textContent = j.error || '体验开通失败';
        if (j._status === 429) authForm.style.display = 'block';
        return;
      }
      AUTH.trialToken = j.token;
      AUTH.trialEnd = (j.end || 0) * 1000;
      AUTH.trialUsed = true;
      saveAuth();
      log('体验已开始：120 分钟（最多 3 个学号）');
      closeGate(true);
      loadUsage();
    } catch (e) { authMsg.textContent = '体验开通失败：' + e.message; }
  }

  // ======== 面板 ========
  const host = document.createElement('div');
  host.id = 'gk-trial-host';
  (document.body || document.documentElement).appendChild(host);
  const root = host.attachShadow({ mode: 'open' });
  root.innerHTML = `
  <style>
    :host { all: initial; }
    * { box-sizing: border-box; }
    .fab {
      position: fixed; right: 22px; bottom: 26px; z-index: 2147483647;
      width: 104px; height: 40px; border-radius: 20px; cursor: pointer;
      background: linear-gradient(135deg, #0b1b33, #15325c);
      color: #e8c979; border: 1px solid #d4af37;
      display: flex; align-items: center; justify-content: center;
      font: 600 14px/1 "Microsoft YaHei", sans-serif; letter-spacing: 1px;
      box-shadow: 0 6px 24px rgba(0,0,0,.35);
    }
    .panel {
      position: fixed; right: 22px; bottom: 76px; z-index: 2147483647;
      width: 350px; max-height: 72vh; display: none; flex-direction: column;
      background: #0b1b33; color: #e9eef7; border: 1px solid #2a4a78;
      border-radius: 12px; box-shadow: 0 18px 50px rgba(0,0,0,.45);
      font: 13px/1.6 "Microsoft YaHei", sans-serif; overflow: hidden;
    }
    .panel.open { display: flex; }
    .hd {
      padding: 12px 14px; display: flex; align-items: center; justify-content: space-between;
      background: linear-gradient(135deg, #10264a, #0b1b33); border-bottom: 1px solid #233f68;
    }
    .hd b { color: #e8c979; font-size: 14px; letter-spacing: 1px; }
    .hd span { color: #8fa6c8; font-size: 11px; }
    .x { cursor: pointer; color: #9db3d4; padding: 0 4px; }
    .body { padding: 12px 14px; overflow-y: auto; overflow-x: hidden; }
    .sec { margin-bottom: 12px; }
    .sec h4 { margin: 0 0 6px; font-size: 12px; color: #e8c979; font-weight: 600; }
    .row { display: flex; gap: 8px; }
    button {
      flex: 1; padding: 7px 10px; border-radius: 8px; cursor: pointer;
      border: 1px solid #2f5588; background: #132b4d; color: #dfe9f7;
      font: 500 12px "Microsoft YaHei", sans-serif;
    }
    button.primary { background: linear-gradient(135deg, #b8912f, #e8c979); color: #1a1206; border-color: #e8c979; font-weight: 700; }
    button:disabled { opacity: .45; cursor: not-allowed; }
    input[type=checkbox] { width: auto; margin: 0 6px 0 0; padding: 0; vertical-align: middle; }
    label.chk { display: flex; align-items: center; gap: 6px; color: #9db3d4; font-size: 12px; cursor: pointer; }
    input, textarea {
      width: 100%; margin-top: 6px; padding: 7px 9px; border-radius: 8px;
      border: 1px solid #2f5588; background: #0f2442; color: #e9eef7;
      font: 12px/1.5 "Microsoft YaHei", sans-serif; resize: vertical;
    }
    textarea { min-height: 62px; }
    .muted { color: #8fa6c8; font-size: 11px; overflow-wrap: anywhere; word-break: break-word; }
    .log {
      margin-top: 8px; padding: 8px; height: 88px; overflow: auto;
      background: #081528; border: 1px solid #1c3557; border-radius: 8px;
      font: 11px/1.5 Consolas, "Microsoft YaHei", monospace; color: #b9cbe4; white-space: pre-wrap;
    }
    .contact { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
    .contact a { color: #e8c979; text-decoration: none; font-size: 12px; white-space: nowrap; }
    .contact button { flex: 0 0 auto; white-space: nowrap; min-width: 46px; }
    .tag { display: inline-block; padding: 1px 6px; border-radius: 999px; background: #10264a; border: 1px solid #2f5588; color: #9db3d4; font-size: 10px; }
    .gate { position: fixed; inset: 0; z-index: 2147483647; display: none; align-items: center; justify-content: center; background: rgba(3,10,22,.55); }
    .gate.open { display: flex; }
    .mbox { width: 360px; max-width: calc(100vw - 30px); max-height: calc(100vh - 30px); overflow-y: auto; background: #0b1b33; border: 1px solid #2a4a78; border-radius: 14px; box-shadow: 0 18px 60px rgba(0,0,0,.5); padding: 18px; }
    .mbox h3 { margin: 0 0 6px; color: #e8c979; font-size: 16px; letter-spacing: 1px; }
    .mbox p { margin: 0 0 12px; color: #b9cbe4; font-size: 12px; line-height: 1.7; }
    .mbox .row { margin-top: 8px; }
    .mbox input, .mbox select { margin-top: 8px; }
    .mbox select { width: 100%; padding: 7px 9px; border-radius: 8px; border: 1px solid #2f5588; background: #0f2442; color: #e9eef7; font: 12px "Microsoft YaHei", sans-serif; }
    .later { margin-top: 10px; text-align: right; color: #8fa6c8; font-size: 11px; cursor: pointer; }
    .authcta { margin-top: 8px; padding: 10px; border: 1px solid #2f5588; border-radius: 10px; background: rgba(16,38,74,.65); }
    .sec select { width: 100%; margin-top: 6px; padding: 7px 9px; border-radius: 8px; border: 1px solid #2f5588; background: #0f2442; color: #e9eef7; font: 12px "Microsoft YaHei", sans-serif; }
    details.consult { margin-top: 8px; border-top: 1px solid #1c3557; padding-top: 8px; }
    details.consult summary { cursor: pointer; color: #8fa6c8; font-size: 12px; list-style: none; }
    details.consult summary::-webkit-details-marker { display: none; }
    details.consult summary::before { content: '＋ '; color: #e8c979; }
    details.consult[open] summary::before { content: '－ '; }
  </style>
  <div class="fab" id="fab">国开助手</div>
  <div class="panel" id="panel">
    <div class="hd">
      <div><b>国开助手</b> <span>v0.5.8</span></div>
      <div class="x" id="close">关闭</div>
    </div>
    <div class="body">
      <div class="sec">
        <h4>当前页面</h4>
        <div id="authline" class="muted">未登录：点下面「注册 / 登录」或「免费体验 120 分钟」</div>
        <div id="authCta" class="authcta">
          <div class="muted">还没有开通：先免费体验 120 分钟，或注册一个账号</div>
          <div class="row" style="margin-top:8px">
            <button id="ctaTrial" class="primary">免费体验 120 分钟</button>
            <button id="ctaAuth">注册 / 登录</button>
          </div>
        </div>
        <div id="pageinfo" class="muted" style="margin-top:6px; white-space:pre-wrap">检测中…</div>
        <div class="row" style="margin-top:8px">
          <button id="scan">重新识别</button>
          <button id="testvideo" class="primary">试跑视频</button>
        </div>
        <div class="row" style="margin-top:8px">
          <button id="autoexam" class="primary">自动答题并交卷</button>
          <label class="chk"><input type="checkbox" id="autosubmit" checked>答完自动交卷</label>
        </div>
        <input id="aid" placeholder="活动ID / 试卷ID（自动识别不出来时手填）">
        <div class="row" style="margin-top:8px">
          <button id="copyinfo">复制页面信息</button>
        </div>
      </div>
      <div class="sec">
        <h4>额度</h4>
        <div id="quota" class="muted">登录/体验后显示额度（学号自动识别）</div>
      </div>
      <div class="sec">
        <h4>题目查询（答案走服务器）</h4>
        <textarea id="q" placeholder="把题目和选项贴进来"></textarea>
        <div class="muted" style="margin-top:6px">答案题型（不选则自动）</div>
        <select id="qtype">
          <option value="">自动 / 按题干判断</option>
          <option value="single_selection">单选</option>
          <option value="multiple_selection">多选</option>
          <option value="true_or_false">判断</option>
          <option value="fill_in_blank">填空</option>
          <option value="short_answer">简答 / 论述</option>
        </select>
        <div class="row" style="margin-top:8px">
          <button id="ask">获取答案</button>
          <button id="copyans">复制答案</button>
        </div>
        <div id="ans" class="muted" style="margin-top:6px; white-space:pre-wrap"></div>
      </div>
      <div class="sec">
        <h4>点数</h4>
        <input id="code" placeholder="输入卡密兑换点数">
        <div class="row" style="margin-top:8px">
          <button id="redeem">兑换点数</button>
        </div>
        <div class="muted" style="margin-top:4px">注册后每天免费 1 个学号；第 2 个起 1 点 = 1 个学号/天。购买点数请展开下方「服务咨询」。</div>
      </div>
      <div class="log" id="log"></div>
      <div class="row" style="margin-top:6px">
        <button id="copylog">复制日志</button>
        <button id="clearlog">清空日志</button>
      </div>
      <details class="consult" id="consult">
        <summary>服务咨询</summary>
        <div class="contact" style="margin-top:8px">
          <span class="tag">服务咨询QQ</span>
          <b id="qq"></b>
          <button id="copyqq">复制</button>
          <a id="home" target="_blank" rel="noopener">正式版</a>
          <a id="checkupdate" href="https://eduai.lovie.me/s/guokai-trial.user.js" target="_blank" rel="noopener">检查更新</a>
        </div>
        <div class="muted" style="margin-top:4px">支付暂未开放；购买点数或正式版请通过服务咨询QQ联系。</div>
      </details>
    </div>
  </div>
  <div class="gate" id="gate">
    <div class="mbox">
      <h3>开始使用</h3>
      <p>先选一种方式：<b>免费体验 120 分钟</b>（全功能，最多 3 个学号，不注册），或 <b>注册</b>（每天免费 1 个学号，更多按点数）。</p>
      <div class="row">
        <button id="startTrial" class="primary">免费体验 120 分钟</button>
        <button id="showAuth">注册 / 登录</button>
      </div>
      <div id="authForm" style="display:none">
        <input id="u" placeholder="用户名（3~20 位）" autocomplete="username">
        <input id="p" type="password" placeholder="密码（至少 6 位）" autocomplete="current-password">
        <div class="row">
          <button id="doLogin">登录</button>
          <button id="doReg">注册</button>
        </div>
        <div id="authMsg" class="muted" style="margin-top:6px"></div>
      </div>
      <div class="muted" style="margin-top:10px">体验结束或学号用完，可继续注册；正式版可在面板底部查看服务咨询。</div>
      <div class="later" id="gateLater">以后再说</div>
    </div>
  </div>`;

  const el = (s) => root.querySelector(s);
  const panel = el('#panel'), fab = el('#fab');
  const aidInput = el('#aid'), qInput = el('#q'), qtypeInput = el('#qtype');
  const ansBox = el('#ans'), logBox = el('#log');
  const btnTest = el('#testvideo'), btnScan = el('#scan'), btnAsk = el('#ask');
  const btnExam = el('#autoexam');
  function examBtnIdleText() {
    return el('#autosubmit').checked ? '自动答题并交卷' : '自动答题（只暂存）';
  }
  el('#autosubmit').addEventListener('change', () => {
    if (!state.examRunning) btnExam.textContent = examBtnIdleText();
  });
  const gate = el('#gate'), authForm = el('#authForm'), authMsg = el('#authMsg');
  const authline = el('#authline');

  el('#qq').textContent = CFG.QQ_GROUP;
  el('#home').href = CFG.HOMEPAGE;

  function log(msg) {
    const t = new Date().toTimeString().slice(0, 8);
    logBox.textContent += `[${t}] ${msg}\n`;
    logBox.scrollTop = logBox.scrollHeight;
  }
  async function copyText(text, label) {
    try {
      if (typeof GM_setClipboard === 'function') GM_setClipboard(text, 'text');
      else await navigator.clipboard.writeText(text);
      log((label || '内容') + '已复制');
      return true;
    } catch (e) {
      log('复制失败，请手动选择');
      return false;
    }
  }
  function setOpen(open) { panel.classList.toggle('open', open); gmSet(CFG.PANEL_KEY, open ? 1 : 0); }
  fab.addEventListener('click', () => setOpen(!panel.classList.contains('open')));
  el('#close').addEventListener('click', () => setOpen(false));
  el('#copyqq').addEventListener('click', () => copyText(CFG.QQ_GROUP, '服务咨询QQ'));
  el('#copyinfo').addEventListener('click', () => {
    const txt = [
      (el('#pageinfo').textContent || '').trim(),
      '网址：' + location.href,
      '版本：' + (el('.hd span') ? el('.hd span').textContent : ''),
      '账号：' + trialLeftText()
    ].join('\n');
    copyText(txt, '页面信息');
  });
  el('#copyans').addEventListener('click', () => {
    let t = (ansBox.textContent || '').trim();
    if (!t || t === '请求服务器…') { log('还没有答案可复制'); return; }
    t = t.replace(/\n来源：[\s\S]*$/, '').trim();
    copyText(t, '答案');
  });
  el('#copylog').addEventListener('click', () => {
    const t = (logBox.textContent || '').trim();
    if (!t) { log('日志为空'); return; }
    copyText(t, '日志');
  });
  el('#clearlog').addEventListener('click', () => {
    logBox.textContent = '';
    log('日志已清空');
  });

  function updateAuthline() {
    authline.textContent = trialLeftText();
    if (!isAuthed() && AUTH.trialUsed && !expiredLogged) {
      expiredLogged = true;
      log('体验已结束：注册后继续（明天还有 1 个免费学号）');
      renderQuota();
    }
    if (trialActive()) expiredLogged = false;
  }
  setInterval(updateAuthline, 1000);

  let gateResolve = null;
  function openGate() {
    gate.classList.add('open');
    if (gateResolve) gateResolve(false);
    return new Promise((r) => { gateResolve = r; });
  }
  function closeGate(ok) {
    gate.classList.remove('open');
    if (gateResolve) { gateResolve(ok); gateResolve = null; }
  }
  async function ensureAuth() {
    if (isAuthed()) return true;
    return openGate();
  }

  el('#startTrial').addEventListener('click', () => { startTrial(); });
  el('#showAuth').addEventListener('click', () => {
    authForm.style.display = 'block';
    authMsg.textContent = '';
  });
  el('#gateLater').addEventListener('click', () => closeGate(false));
  el('#ctaTrial').addEventListener('click', () => { openGate(); startTrial(); });
  el('#ctaAuth').addEventListener('click', () => {
    openGate();
    authForm.style.display = 'block';
    authMsg.textContent = '';
  });

  el('#doLogin').addEventListener('click', async () => {
    const u = el('#u').value.trim(), p = el('#p').value;
    if (!u || !p) { authMsg.textContent = '用户名和密码都要填'; return; }
    authMsg.textContent = '登录中…';
    try {
      const j = await api('/dati/api/auth/login', { username: u, password: p, device: deviceId() });
      if (!j.ok) throw new Error(j.error || ('HTTP ' + j._status));
      AUTH.token = j.token; AUTH.user = j.name || u; AUTH.expires = j.expires || '';
      saveAuth();
      log('登录成功：' + AUTH.user);
      closeGate(true);
      loadUsage();
    } catch (e) { authMsg.textContent = '登录失败：' + e.message; }
  });
  el('#doReg').addEventListener('click', async () => {
    const u = el('#u').value.trim(), p = el('#p').value;
    if (!u || !p) { authMsg.textContent = '用户名和密码都要填'; return; }
    authMsg.textContent = '注册中…';
    try {
      // 注册来源由服务器记录，客户只填账号密码
      const r1 = await api('/dati/api/auth/register', {
        username: u, password: p, device: deviceId(), channel: 'script'
      });
      if (!r1.ok) throw new Error(r1.error || ('HTTP ' + r1._status));
      if (r1.pending) {
        authMsg.textContent = '注册已提交，等待开通；详情请查看面板底部「服务咨询」。';
        return;
      }
      const j = await api('/dati/api/auth/login', { username: u, password: p, device: deviceId() });
      if (!j.ok) throw new Error('注册成功但登录失败：' + (j.error || ''));
      AUTH.token = j.token; AUTH.user = j.name || u; AUTH.expires = j.expires || '';
      saveAuth();
      log('注册并登录成功：' + AUTH.user);
      closeGate(true);
      loadUsage();
    } catch (e) { authMsg.textContent = '注册失败：' + e.message; }
  });

  async function bindStudent(quiet) {
    if (!isAuthed()) return false;
    // 不让客户手动绑定：从页面/学校门户自动识别当前登录学号
    const sno = await resolveStudent(true);
    if (!sno) {
      if (!quiet) log('没识别到学号：请确认已在国开登录；识别不到可咨询服务咨询QQ');
      return false;
    }
    try {
      const j = await api('/dati/api/student/bind', { token: token(), device: deviceId(), student_no: sno });
      if (!j.ok) {
        log(j.error || '学号绑定失败');
        if (j.today) {
          USAGE = { kind: 'user', today: j.today, credits: j.credits || 0, free_used: true, tomorrow_free: 1 };
          renderQuota();
        }
        return false;
      }
      studentCache.no = sno; gmSet('gk_student', sno);
      log('学号已识别：' + maskStudent(sno));
      await loadUsage();
      return true;
    } catch (e) { log('学号绑定失败：' + e.message); return false; }
  }

  const state = { running: false, examRunning: false };
  function refreshPageInfo() {
    const aid = aidInput.value.trim() || guessActivityId();
    const v = pickVideo();
    const dur = v && isFinite(v.duration) && v.duration > 0 ? Math.round(v.duration) : 0;
    let pname = location.pathname; try { pname = decodeURIComponent(pname); } catch (e) {}
    let s = '页面：' + pname;
    s += '\n活动ID：' + (aid || '未识别（可手填）');
    const eid = guessExamId();
    if (eid) s += '\n试卷ID：' + eid;
    s += '\n视频：' + (v ? (dur ? dur + ' 秒' : '已找到，时长未加载') : '未找到');
    s += '\n学号：' + (studentCache.no ? maskStudent(studentCache.no) + '（自动识别）' : '识别中…');
    if (!aidInput.value && aid) aidInput.value = aid;
    el('#pageinfo').textContent = s;
  }
  btnScan.addEventListener('click', () => { log('重新识别…'); refreshPageInfo(); });

  // ======== 自动答题（当前试卷）========
  const EXAM_AB = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
  const COMPOUND_TYPES = ['matching', 'cloze', 'analysis', 'compound', 'group', 'material'];
  function stripHtml(html) {
    try {
      const d = document.createElement('div');
      d.innerHTML = html || '';
      return (d.textContent || '').replace(/\s+/g, ' ').trim();
    } catch (e) {
      return String(html || '').replace(/<[^>]+>/g, ' ').replace(/\s+/g, ' ').trim();
    }
  }
  function normText(s) {
    return String(s || '').toLowerCase().replace(/[^0-9a-z\u4e00-\u9fff]+/g, '');
  }
  function optLabel(o) {
    return stripHtml((o && o.content) || '').replace(/^[A-Da-d]\s*[.、)）:：]\s*/, '');
  }
  function isSingleType(t) {
    return ['single_selection', 'true_or_false', 'true_false',
      'single_choice', 'judge', '单选', '判断'].includes(String(t || ''));
  }
  function isSubjectiveType(t) {
    return ['fill_in_blank', 'short_answer', 'analysis', 'essay',
      '填空', '简答', '论述', '名词解释'].includes(String(t || ''));
  }
  function mapAnswer(opts, answer, single) {
    if (!opts || !opts.length || !answer) return [];
    const sorted = opts.slice().sort((a, b) => (a.sort || 0) - (b.sort || 0));
    const a0 = String(answer).trim();
    if (!a0) return [];
    const segs = a0.split(/\/&\/|\|/).map((s) => s.trim()).filter(Boolean);
    if (segs.length > 1) {
      const out = [];
      for (const s of segs) {
        for (const id of mapAnswer(sorted, s, false)) if (!out.includes(id)) out.push(id);
      }
      return single ? out.slice(0, 1) : out;
    }
    // 纯字母：A / AB / A,B / A、C
    if (/^[A-Za-z](?:[\s,，、/&;.]*[A-Za-z])*$/.test(a0)) {
      const letters = (a0.toUpperCase().match(/[A-Z]/g) || []);
      const sep = /[,，、/&;.]/.test(a0);
      if (!(single && letters.length > 1 && !sep) &&
          letters.every((L) => EXAM_AB.indexOf(L) < sorted.length)) {
        const ids = letters.map((L) => sorted[EXAM_AB.indexOf(L)].id).filter(Boolean);
        return single ? ids.slice(0, 1) : ids;
      }
    }
    // 判断题：对/错/正确/错误/√/×
    if (sorted.length === 2) {
      const t = a0.replace(/\s+/g, '');
      const wrong = /错误|错|不对|×|✗|false/i.test(t);
      const right = !wrong && /正确|对|是|√|✓|true/i.test(t);
      if (wrong || right) {
        for (const o of sorted) {
          const c = optLabel(o);
          if (wrong ? /错误|错|否|×|✗|false/i.test(c) : /正确|对|是|√|✓|true/i.test(c)) {
            return [o.id];
          }
        }
      }
    }
    // 文本：先精确，再互相包含
    const raw = stripHtml(a0);
    const clean = raw.replace(/^[A-Da-d]\s*[.、)）:：]\s*/, '');
    const na = normText(clean);
    if (na) {
      for (const o of sorted) if (normText(optLabel(o)) === na) return [o.id];
      if (na.length >= 2) {
        for (const o of sorted) {
          const no = normText(optLabel(o));
          if (no && (no.includes(na) || na.includes(no))) return [o.id];
        }
      }
    }
    return [];
  }
  async function imgKey(html) {
    try {
      if (!html || String(html).toLowerCase().indexOf('<img') < 0) return '';
      if (!(window.crypto && crypto.subtle && window.TextEncoder)) return '';
      const srcs = [];
      const re = /<img[^>]*>/gi;
      let m;
      while ((m = re.exec(html))) {
        const sm = /src\s*=\s*["']([^"']+)["']/i.exec(m[0]);
        if (sm) srcs.push(sm[1]);
      }
      if (!srcs.length) return '';
      srcs.sort();
      const buf = await crypto.subtle.digest('SHA-1', new TextEncoder().encode(srcs.join('|')));
      const hex = Array.from(new Uint8Array(buf)).map((b) => b.toString(16).padStart(2, '0')).join('');
      return 'img:' + hex.slice(0, 16);
    } catch (e) { return ''; }
  }
  function leavesOf(subject, pool) {
    const ty = String((subject && subject.type) || '');
    const subs = (subject && subject.sub_subjects) || [];
    const cur = ((subject && subject.options) || []).length ? subject.options : (pool || []);
    if (COMPOUND_TYPES.includes(ty) && subs.length) {
      let out = [];
      for (const c of subs) out = out.concat(leavesOf(c, cur));
      return out;
    }
    return [{ s: subject, opts: cur }];
  }
  async function lmsJson(path, opts) {
    const o = Object.assign({ credentials: 'include' }, opts || {});
    o.headers = Object.assign({
      'Accept': 'application/json, text/plain, */*',
      'X-Requested-With': 'XMLHttpRequest'
    }, o.headers || {});
    const ctl = new AbortController();
    const timer = setTimeout(() => ctl.abort(), 30000);
    o.signal = ctl.signal;
    let r;
    try { r = await fetch(path, o); }
    catch (e) { throw new Error(e && e.name === 'AbortError' ? '平台请求超时' : (e.message || '平台请求失败')); }
    finally { clearTimeout(timer); }
    const text = await r.text();
    let j = {};
    if (text) {
      try { j = JSON.parse(text); } catch (e) { throw new Error('平台返回非 JSON（可能被拦截）'); }
    }
    if (!r.ok) throw new Error('平台 HTTP ' + r.status + ((j && (j.message || j.error)) ? '：' + (j.message || j.error) : ''));
    return j || {};
  }
  const lmsGet = (path) => lmsJson(path);
  const lmsPost = (path, body) => lmsJson(path, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json;charset=UTF-8' },
    body: JSON.stringify(body || {})
  });
  async function askOne(qtext, qtype, options) {
    const j = await api('/dati/api/answer', {
      token: token(), device: deviceId(), course: guessCourse(),
      question: qtext, qtype: qtype, options: options || []
    });
    if (!j.ok) throw new Error(j.error || ('答案服务 HTTP ' + j._status));
    return j;
  }
  function fillParts(answer, subject) {
    let parts = String(answer || '').split(/\/&\/|[；;\n]/).map((s) => s.trim()).filter(Boolean);
    let n = parseInt(subject.answer_number, 10);
    if (!n) n = ((subject.description || '').match(/__blank__/g) || []).length || parts.length || 1;
    while (parts.length < n) parts.push('');
    return parts.slice(0, n);
  }
  async function autoExam() {
    if (state.examRunning) { log('正在答题中，请稍候…'); return; }
    const examId = guessExamId() || (/^\d{5,}$/.test(aidInput.value.trim()) ? aidInput.value.trim() : '');
    if (!examId) { log('没识别到试卷ID：请从考试页面点进来，或在输入框手填'); return; }
    if (!(await ensureAuth())) return;
    if (!(await bindStudent(false))) return;
    const doSubmit = !!el('#autosubmit').checked;
    state.examRunning = true;
    btnExam.disabled = true;
    btnExam.textContent = '答题中…';
    try {
      log('自动答题：试卷 ' + examId);
      try {
        const old = await lmsGet('/api/exams/' + examId + '/submissions');
        const arr = (old && old.submissions) || [];
        if (arr.length) {
          const best = Math.max(...arr.map((x) => parseFloat(x.score || 0)));
          log('这份卷已交过 ' + arr.length + ' 次（最好 ' + best + ' 分），不重复交卷');
          return;
        }
      } catch (e) { log('历史提交读取失败（继续取卷）：' + e.message); }

      let qual = {};
      try {
        qual = await lmsGet('/api/exam/' + examId + '/check-exam-qualification?no-intercept=true&check_status=start');
      } catch (e) { log('资格检查失败（继续取卷）：' + e.message); }
      if (qual && qual.is_closed) { log('考试已截止：' + (qual.message || '')); return; }

      try { await lmsPost('/api/course/activities-read/exam/' + examId, {}); } catch (e) {}
      let dist;
      try {
        dist = await lmsGet('/api/exams/' + examId + '/distribute');
      } catch (e) {
        log('取卷失败：' + e.message + '；请先在页面点「开始答题」，再点本按钮');
        return;
      }
      const data = (dist && dist.subjects) ? dist : ((dist && dist.data) || {});
      const trees = data.subjects || [];
      if (!trees.length) { log('平台未下发题目：先在页面点「开始答题」，或稍后再试'); return; }
      const inst = data.exam_paper_instance_id || dist.exam_paper_instance_id;
      if (!inst) { log('没拿到 exam_paper_instance_id，停止'); return; }
      let leaves = [];
      for (const t of trees) leaves = leaves.concat(leavesOf(t, null));
      leaves = leaves.filter((x) => String((x.s && x.s.type) || '') !== 'text');
      const total = leaves.length;
      log('取到 ' + total + ' 道题，开始作答…');

      const payload = [];
      let hit = 0, skipped = 0, aiUsed = 0;
      for (let i = 0; i < leaves.length; i++) {
        const s = leaves[i].s || {};
        const opts = (leaves[i].opts || []).slice().sort((a, b) => (a.sort || 0) - (b.sort || 0));
        const ty = String(s.type || '');
        const html = s.description || '';
        let qtext = stripHtml(html);
        if (qtext.length < 4) {
          const k = await imgKey(html);
          if (k) qtext = k;
        }
        btnExam.textContent = '答题中 ' + (i + 1) + '/' + total;
        if (!qtext) { skipped++; continue; }
        if (opts.length) {
          try {
            const j = await askOne(qtext, ty, opts.map((o) => stripHtml(o.content || '').slice(0, 200)).slice(0, 20));
            if (j.source === 'ai') aiUsed++;
            const ids = mapAnswer(opts, j.answer, isSingleType(ty));
            if (ids.length) {
              payload.push({
                subject_id: s.id,
                subject_updated_at: s.last_updated_at,
                answer_option_ids: ids
              });
              hit++;
              const picked = opts.filter((o) => ids.includes(o.id)).map((o) => optLabel(o).slice(0, 12)).join('、');
              log('[' + (i + 1) + '/' + total + '] 选择题 → ' + (picked || ('选项 ' + ids.join(','))) +
                  '（' + (j.source === 'bank' ? '题库' : 'AI') + '）');
            } else {
              skipped++;
              log('[' + (i + 1) + '/' + total + '] 选择题未匹配：' + qtext.slice(0, 28));
            }
          } catch (e) {
            skipped++;
            log('[' + (i + 1) + '/' + total + '] 取答失败：' + e.message);
          }
        } else if (isSubjectiveType(ty)) {
          try {
            const j = await askOne(qtext, ty, []);
            if (j.answer) {
              if (ty === 'fill_in_blank') {
                const parts = fillParts(j.answer, s);
                payload.push({
                  subject_id: s.id,
                  subject_updated_at: s.last_updated_at,
                  answers: parts.map((content, idx) => ({ sort: idx, content: content }))
                });
              } else {
                payload.push({
                  subject_id: s.id,
                  subject_updated_at: s.last_updated_at,
                  answer: j.answer,
                  attachments: []
                });
              }
              if (j.source === 'ai') aiUsed++;
              hit++;
              log('[' + (i + 1) + '/' + total + '] ' + ty + ' 已作答（' +
                  (j.source === 'bank' ? '题库' : 'AI') + '）');
            } else {
              skipped++;
              log('[' + (i + 1) + '/' + total + '] ' + ty + ' 没有答案，留人工');
            }
          } catch (e) {
            skipped++;
            log('[' + (i + 1) + '/' + total + '] ' + ty + ' 取答失败：' + e.message);
          }
        } else {
          skipped++;
          log('[' + (i + 1) + '/' + total + '] ' + (ty || '未知题型') + ' 留人工');
        }
        await sleep(120);
      }

      const kept = payload.filter((x) => {
        const n = parseInt(x.subject_id, 10);
        return Number.isFinite(n) && n >= 1;
      });
      if (kept.length !== payload.length) {
        log((payload.length - kept.length) + ' 个作答节点 subject_id 无效（<1），已剔除');
      }
      payload.length = 0;
      payload.push.apply(payload, kept);
      log('作答结束：命中 ' + hit + '/' + total + '，跳过 ' + skipped + (aiUsed ? ('，AI ' + aiUsed + ' 次') : ''));
      if (!payload.length) { log('没有可提交的作答，未交卷'); return; }
      const st = await lmsPost('/api/exams/' + examId + '/submissions/storage', {
        exam_paper_instance_id: inst,
        exam_submission_id: null,
        subjects: payload
      });
      const sid = (st && (st.exam_submission_id || st.id || st.submission_id)) || null;
      log('暂存完成' + (sid ? '（' + sid + '）' : ''));
      if (!doSubmit) { log('已填写未交卷（勾选“答完自动交卷”才会提交）'); return; }

      const answered = payload.filter((x) => (x.answer_option_ids && x.answer_option_ids.length) ||
        x.answer || (x.answers && x.answers.some((a) => a.content))).length;
      const sub = await lmsPost('/api/exams/' + examId + '/submissions', {
        exam_paper_instance_id: inst,
        exam_submission_id: sid,
        subjects: payload,
        progress: { answered_num: answered, total_subjects: payload.length },
        reason: 'user'
      });
      const subId = sub && (sub.submission_id || sub.id);
      let score = sub && (sub.exam_score !== undefined ? sub.exam_score : sub.score);
      if (score === undefined) {
        try {
          const ls = await lmsGet('/api/exams/' + examId + '/submissions');
          const arr = (ls && ls.submissions) || [];
          if (arr.length) score = arr[arr.length - 1].score;
        } catch (e) {}
      }
      log('交卷完成' + (subId ? '（' + subId + '）' : '') + (score !== undefined ? '，得分 ' + score : ''));
    } catch (e) {
      log('自动答题失败：' + (e && e.message ? e.message : e));
    } finally {
      state.examRunning = false;
      btnExam.disabled = false;
      btnExam.textContent = examBtnIdleText();
    }
  }
  btnExam.addEventListener('click', autoExam);

  async function runVideo() {
    if (state.running) { state.running = false; log('已停止'); return; }
    const v = pickVideo();
    if (!v) { log('没找到视频：先打开一个视频活动页'); return; }
    const aid = aidInput.value.trim() || guessActivityId();
    if (!aid) { log('没识别到活动ID：请在输入框手填'); return; }
    let dur = v.duration;
    if (!isFinite(dur) || dur <= 0) { log('视频时长还没加载：先点一下页面播放器再试'); return; }
    state.running = true;
    btnTest.textContent = '停止';
    log(`开始试跑：活动 ${aid}，时长 ${Math.round(dur)} 秒`);
    try { await v.play(); v.playbackRate = CFG.VIDEO_RATE; log('播放器已启动，倍速 ' + CFG.VIDEO_RATE + 'x'); } catch (e) { log('播放器启动失败（不影响区间上报）'); }
    let t = 0;
    while (t < dur - 0.5 && state.running) {
      const t1 = Math.min(t + CFG.CHUNK, dur);
      try {
        const r = await fetch('/api/course/activities-read/' + aid, {
          method: 'POST', credentials: 'include',
          headers: { 'Content-Type': 'application/json', 'X-Requested-With': 'XMLHttpRequest' },
          body: JSON.stringify({ start: Math.floor(t), end: Math.floor(t1) })
        });
        log(`上报 ${Math.floor(t)}-${Math.floor(t1)} 秒 → HTTP ${r.status}`);
        if (r.status >= 400) { log('平台拒绝上报，先停'); break; }
      } catch (e) { log('上报失败：' + (e && e.message ? e.message : e)); }
      t = t1;
      await sleep(250);
    }
    state.running = false;
    btnTest.textContent = '试跑视频';
    if (t >= dur - 0.5) log('区间已全部报完');
  }
  btnTest.addEventListener('click', async () => {
    if (!(await ensureAuth())) return;
    if (!(await bindStudent(false))) return;
    runVideo();
  });

  async function askServer() {
    const q = qInput.value.trim();
    if (!q) { log('先把题目贴进来'); return; }
    ansBox.textContent = '请求服务器…';
    try {
      const j = await api('/dati/api/answer', {
        token: token(), device: deviceId(), course: guessCourse(), question: q,
        qtype: (qtypeInput.value || '').trim()
      });
      if (!j.ok) throw new Error(j.error || ('HTTP ' + j._status));
      ansBox.textContent = (j.answer || '(空)') + '\n来源：' + (j.source === 'bank' ? '网络题库' : 'AI 兜底');
    } catch (e) { ansBox.textContent = '失败：' + (e && e.message ? e.message : e); }
  }
  btnAsk.addEventListener('click', async () => {
    if (!(await ensureAuth())) return;
    if (!(await bindStudent(false))) return;
    askServer();
  });
  qInput.addEventListener('keydown', (e) => {
    if ((e.ctrlKey || e.metaKey) && e.key === 'Enter') {
      e.preventDefault();
      btnAsk.click();
    }
  });

  el('#redeem').addEventListener('click', async () => {
    if (!AUTH.token) { log('先注册登录再兑换'); return; }
    const code = el('#code').value.trim();
    if (!code) { log('先填卡密'); return; }
    try {
      const j = await api('/dati/api/redeem', { token: AUTH.token, device: deviceId(), code: code });
      if (!j.ok) throw new Error(j.error || ('HTTP ' + j._status));
      log('兑换成功：+' + j.added + ' 点，当前 ' + j.credits + ' 点');
      el('#code').value = '';
      loadUsage();
    } catch (e) { log('兑换失败：' + e.message); }
  });

  if (typeof GM_registerMenuCommand === 'function') {
    GM_registerMenuCommand('打开国开助手面板', () => setOpen(true));
  }

  setOpen(!!gmGet(CFG.PANEL_KEY, 0));
  updateAuthline();
  refreshPageInfo();
  renderQuota();
  log('脚本已加载（v0.5.8）');
  resolveStudent().then((no) => {
    if (no) {
      log('学号已识别：' + maskStudent(no) + '（无需手动绑定）');
      refreshPageInfo();
    }
  });
  if (isAuthed()) loadUsage();
  setInterval(refreshPageInfo, 5000);
})();