/* 90轮回启动器 · 单窗口页面与工具整合 */
(function () {
  const $ = (id) => document.getElementById(id);
  const pages = ['start','gm','loadout','gamesettings','settings','changelog'];
  let shellGmInit = false;
  let loConfig = null, loPage = 0, loScheme = -1;
  let loCooldownUntil = 0, loCooldownCharacter = '', loCooldownTimer = null;
  let hotkeyCapture = false;

  const crumb = {start:'开始 / 本地服务端',gm:'GM工具',loadout:'工具 / 一键换装',gamesettings:'工具 / 游戏设置',settings:'设置',changelog:'更新日志'};

  function shellGo(page) {
    if (!pages.includes(page)) page = 'start';
    document.querySelectorAll('.shell-page').forEach(el => el.classList.toggle('active', el.id === 'page-' + page));
    document.querySelectorAll('.shell-nav-item').forEach(el => el.classList.toggle('active', el.dataset.shellPage === page));
    $('shellCrumb').textContent = crumb[page] || page;
    if (page === 'start') loadStart();
    if (page === 'loadout') loadLoadout();
    if (page === 'gamesettings') loadGameSettings();
    if (page === 'settings') loadSettings();
    if (page === 'changelog') loadChangelog();
    if (page === 'gm') {
      // 进入 GM：GM 覆盖整个窗口（隐藏顶部导航/面包屑/底部状态栏），并铺满工作区
      document.body.classList.add('gm-fullscreen');
      const w = win();
      if (w && w.enter_gm) w.enter_gm();
      if (!shellGmInit && typeof initGm === 'function') {
        shellGmInit = true;
        initGm();
        if (typeof renderGmPage === 'function') renderGmPage('dashboard');
      } else if (typeof renderGmPage === 'function') {
        renderGmPage(gmCurrentPage || 'dashboard');
      }
    } else {
      // 离开 GM：移除全屏状态，并恢复窗口几何（若正处于全屏）
      if (document.body.classList.contains('gm-fullscreen')) {
        document.body.classList.remove('gm-fullscreen');
        const w2 = win();
        if (w2 && w2.restore_gm) w2.restore_gm();
      }
    }
  }
  window.shellGo = shellGo;

  // 从 GM 返回启动器：恢复窗口几何 + 回到开始页
  function shellExitGm() {
    document.body.classList.remove('gm-fullscreen');
    const w = win();
    if (w && w.restore_gm) w.restore_gm();
    shellGo('start');
  }
  window.shellExitGm = shellExitGm;

  document.querySelectorAll('.shell-nav-item').forEach(el => {
    el.addEventListener('click', () => shellGo(el.dataset.shellPage));
  });

  // 顶部窗口按钮
  const win = () => (window.pywebview && window.pywebview.api) || null;
  const bMin = $('shellWinMin'); if (bMin) bMin.addEventListener('click', () => { const w = win(); if (w && w.minimize) w.minimize(); });
  const bClose = $('shellWinClose'); if (bClose) bClose.addEventListener('click', () => { const w = win(); if (w && w.close) w.close(); });


  // 账号登录：打开原账号管理弹窗，可选择默认账号
  $('shellAccount').addEventListener('click', () => {
    if (typeof openAccounts === 'function') openAccounts();
    else alert('账号管理未加载');
  });

  async function shellAddAccount() {
    const user = $('newAccUser').value.trim();
    const pass = $('newAccPass').value;
    const toast = (msg, type) => {
      if (typeof gmToast === 'function') gmToast(msg, type || 'info');
      else alert(msg);
    };
    if (!user || !pass) { toast('请填写用户名和密码', 'err'); return; }
    try {
      const r = await post('/api/accounts-config', {op:'add', username:user, password:pass});
      if (!r.ok) { toast('添加失败：' + (r.error || '未知错误'), 'err'); return; }
      $('newAccUser').value = '';
      $('newAccPass').value = '';
      $('accountsModal').classList.add('hidden');
      await loadAccountLabel();
      toast('账号添加成功：' + user, 'ok');
    } catch (e) { toast('添加失败：' + e.message, 'err'); }
  }

  // app.js 的 init 如果没有完成绑定，这里也保证添加按钮可用
  const addBtn = $('btnAddAccount');
  if (addBtn) {
    const fresh = addBtn.cloneNode(true);
    addBtn.replaceWith(fresh);
    fresh.addEventListener('click', shellAddAccount);
  }

  // 开始页
  let startState = 'idle'; // idle | starting | started
  function setStartState(state) {
    startState = state;
    const btn = $('shellStart');
    if (!btn) return;
    btn.disabled = state === 'starting';
    if (state === 'starting') btn.innerHTML = '<span>⏳</span> 游戏启动中…';
    else if (state === 'started') btn.innerHTML = '<span>✔</span> 游戏已启动';
    else btn.innerHTML = '<span>▶</span> 开始游戏';
  }
  $('shellStart').addEventListener('click', () => {
    if (startState === 'starting') return;
    setStartState('starting');
    doAction('start');
  });
  $('shellStartMenu').addEventListener('click', () => $('shellStartPop').classList.toggle('hidden'));
  document.querySelectorAll('#shellStartPop button').forEach(b => b.addEventListener('click', () => {
    $('shellStartPop').classList.add('hidden');
    if (b.dataset.shellAction === 'stop') setStartState('idle');
    doAction(b.dataset.shellAction);
  }));
  $('shellStop').addEventListener('click', () => {
    setStartState('idle');
    doAction('stop');
  });

  async function doAction(action) {
    const map = {start:'start', launch:'start', stop:'stop'};
    const payload = {action: map[action] || action};
    if (payload.action === 'start') {
      payload.account = $('shellAccountSelect').value || '';
    }
    try {
      const r = await post('/api/action', payload);
      if (!r.ok) {
        if (startState === 'starting') setStartState('idle');
        alert(r.error || '操作失败');
      }
      setTimeout(loadStart, 900);
    } catch (e) {
      if (startState === 'starting') setStartState('idle');
      alert('操作失败：' + e.message);
    }
  }

  async function loadStart() {
    try {
      const s = await api('/api/status');
      const running = !!s.server_running;
      if (running && startState !== 'started') setStartState('started');
      else if (!running && startState === 'started') setStartState('idle');
      $('shellStatusDot').style.background = running ? '#3dd68b' : '#5a7568';
      $('shellStatusText').textContent = running ? '运行中' : '未运行';
      $('shellPid').textContent = running ? '服务端已启动' : 'PID —';
      $('shellBottomStatus').textContent = running ? '运行中' : '未运行';
      $('statClient').textContent = running ? '运行中' : '未运行';
      $('statPorts').textContent = running ? '18111 / 7001' : '—';
      $('statPvf').textContent = s.db_exists ? '已校验通过' : '未检测';
      $('statClientDir').textContent = s.client_dir || '—';
      $('statDb').textContent = s.db_exists ? 'SQLite 就绪' : '未创建';
      $('statGmPort').textContent = '18111';
      $('statApiPort').textContent = location.port || '19527';
      $('shellBottomPort').textContent = running ? '18111 / 7001' : '—';
      $('statState').textContent = s.control_exists && s.client_dir_exists ? '已就绪' : '不完整';
      $('statClient').textContent = s.client_dir_exists ? (running ? '运行中' : '已就绪') : '缺失';
      $('shellClock').textContent = '检查于 ' + new Date().toLocaleTimeString('zh-CN', {hour12:false});
      $('statResource').textContent = s.admin ? '管理员' : '普通权限';
      loadAccountLabel();
      loadUpdateStatus();
    } catch (e) { /* ignore */ }
  }

  async function loadAccountLabel() {
    try {
      const r = await api('/api/accounts-config');
      const list = (r && r.data) || [];
      const selected = list.find(a => a.is_default) || list[0];
      $('shellAccountName').textContent = selected ? selected.username : '未配置账号';
      const sel = $('shellAccountSelect');
      if (sel && list.length) {
        const current = sel.value;
        sel.innerHTML = list.map(a => `<option value="${a.username}">${a.username}</option>`).join('');
        sel.value = selected ? selected.username : (current || list[0].username);
      }
    } catch (e) { /* ignore */ }
  }

  // 检查更新：填充「版本」卡片里的「本地 / 远程最新 / 状态」
  async function loadUpdateStatus() {
    const remoteEl = $('statRemote');
    const versionEl = $('statVersion');
    try {
      const r = await api('/api/update/check');
      if (versionEl) versionEl.textContent = r.current || '—';
      if (!remoteEl) return;
      if (r.error) {
        remoteEl.textContent = '检查失败';
        remoteEl.className = '';
        remoteEl.title = '无法连接更新服务器：' + r.error;
      } else if (r.has_update && r.latest) {
        remoteEl.textContent = r.latest;
        remoteEl.className = 'green';
        remoteEl.title = '发现新版本，点击查看';
        remoteEl.style.cursor = 'pointer';
        remoteEl.onclick = () => { window.open(r.latest_url, '_blank'); };
      } else if (r.latest) {
        remoteEl.textContent = r.latest;
        remoteEl.className = 'green';
        remoteEl.title = '已是最新版本';
      } else {
        remoteEl.textContent = '暂无发布';
        remoteEl.className = '';
      }
    } catch (e) {
      if (remoteEl) { remoteEl.textContent = '检查失败'; remoteEl.className = ''; }
    }
  }

  // 更新日志页面：拉取所有 Release 的 changelog
  async function loadChangelog() {
    const box = $('changelogBody');
    if (!box) return;
    box.innerHTML = '<div class="empty-box">正在获取更新日志…</div>';
    try {
      const r = await api('/api/update/changelog');
      if (!r.ok) {
        box.innerHTML = '<div class="empty-box">获取失败：' + escapeHtml(r.error || '未知错误') + '</div>';
        return;
      }
      const rels = r.releases || [];
      if (!rels.length) {
        box.innerHTML = '<div class="empty-box">暂无发布记录。<br>在 Gitea 仓库「发布 Release」并填写更新说明后，这里会自动显示。</div>';
        return;
      }
      box.innerHTML = rels.map(rel => {
        const badge = rel.prerelease ? '<span class="gm-tag gm-tag-gray">预发布</span>' : '';
        const body = (rel.body || '').replace(/\r?\n/g, '<br>');
        const assets = (rel.assets || []).map(a =>
          `<a class="changelog-asset" href="${escapeHtml(a.download_url)}" target="_blank">⬇ ${escapeHtml(a.name)} (${fmt(a.size)} B)</a>`
        ).join('');
        const when = rel.published_at ? rel.published_at.replace('T', ' ').slice(0, 16) : '';
        return `<div class="changelog-item">
          <div class="changelog-head">
            <span class="changelog-tag">${escapeHtml(rel.tag || rel.name || '')}</span>
            <span class="changelog-name">${escapeHtml(rel.name || '')}</span>
            ${badge}
            <span class="changelog-time">${escapeHtml(when)}</span>
          </div>
          <div class="changelog-body">${body}</div>
          ${assets ? '<div class="changelog-assets">' + assets + '</div>' : ''}
          <a class="changelog-link" href="${escapeHtml(rel.html_url)}" target="_blank">在浏览器中查看 ↗</a>
        </div>`;
      }).join('');
    } catch (e) {
      box.innerHTML = '<div class="empty-box">获取失败：' + escapeHtml(e && e.message ? e.message : e) + '</div>';
    }
  }

  $('shellAccountSelect').addEventListener('change', async () => {
    const username = $('shellAccountSelect').value;
    try {
      const r = await post('/api/accounts-config', {op:'select', username});
      if (r.ok) { $('shellAccountName').textContent = username; }
    } catch (e) { /* ignore */ }
  });

  // ---------------- 一键换装 ----------------
  function normalizeConfig(cfg) {
    cfg = cfg || {};
    if (!Array.isArray(cfg.Pages) || !cfg.Pages.length) cfg.Pages = [{Name:'默认页', Schemes:[]}];
    cfg.Pages.forEach(p => { if (!Array.isArray(p.Schemes)) p.Schemes = []; });
    cfg.ActivePage = Math.max(0, Math.min(Number(cfg.ActivePage) || 0, cfg.Pages.length - 1));
    return cfg;
  }

  async function loadLoadout() {
    try {
      const r = await api('/api/loadout/config');
      loConfig = normalizeConfig(r.data);
      loPage = loConfig.ActivePage || 0;
      renderLoadout();
    } catch (e) { $('loStatus').textContent = '读取失败：' + e.message; }
  }

  function currentPage() { return loConfig.Pages[loPage]; }
  function currentScheme() { return currentPage().Schemes[loScheme] || null; }

  function loadoutCooldownRemaining() {
    return Math.max(0, Math.ceil((loCooldownUntil - Date.now()) / 1000));
  }

  function updateLoadoutCooldown() {
    const s = currentScheme();
    const active = s && s.CharacterName === loCooldownCharacter;
    const remain = active ? loadoutCooldownRemaining() : 0;
    const el = $('loCooldown');
    if (remain > 0) {
      el.textContent = `换装冷却：${remain} 秒`;
      el.classList.add('active');
      $('loApply').disabled = true;
    } else {
      el.textContent = '';
      el.classList.remove('active');
      $('loApply').disabled = false;
      if (loCooldownTimer) { clearInterval(loCooldownTimer); loCooldownTimer = null; }
    }
  }

  function startLoadoutCooldown(character, seconds) {
    loCooldownCharacter = character || '';
    loCooldownUntil = Date.now() + Math.max(0, Number(seconds) || 0) * 1000;
    if (loCooldownTimer) clearInterval(loCooldownTimer);
    updateLoadoutCooldown();
    loCooldownTimer = setInterval(updateLoadoutCooldown, 250);
  }


  function renderLoadout() {
    const pages = $('loPages'); pages.innerHTML = '';
    loConfig.Pages.forEach((p, i) => {
      const b = document.createElement('button');
      b.className = 'lo-page' + (i === loPage ? ' active' : '');
      b.textContent = p.Name || ('页 ' + (i + 1));
      b.onclick = async () => { loPage = i; loConfig.ActivePage = i; loScheme = -1; renderLoadout(); await saveLoadout(false); };
      pages.appendChild(b);
    });
    const list = $('loList'); list.innerHTML = '';
    currentPage().Schemes.forEach((s, i) => {
      const d = document.createElement('div');
      d.className = 'lo-item' + (i === loScheme ? ' active' : '');
      d.textContent = `${s.Name || '方案'}  [${s.CharacterName || '未绑定'}]  ${hotkeyText(s.Modifiers, s.KeyCode)}  (${(s.Slots||[]).length} 件)`;
      d.onclick = () => { loScheme = i; renderLoadout(); };
      list.appendChild(d);
    });
    const s = currentScheme();
    $('loName').value = s ? (s.Name || '') : '';
    $('loCharacter').value = s ? (s.CharacterName || '') : '';
    $('loHotkey').value = s ? hotkeyText(s.Modifiers, s.KeyCode) : '未设置';
    const slots = $('loSlots');
    slots.innerHTML = '';
    if (!s || !(s.Slots || []).length) {
      slots.innerHTML = '<div class="empty-box">选择方案后显示装备快照；点击「保存当前装备」从服务端读取。</div>';
    } else {
      s.Slots.forEach(it => {
        const d = document.createElement('div');
        d.className = 'lo-slot';
        d.innerHTML = `槽位 ${it.slot}<b>${it.item_id}</b>`;
        slots.appendChild(d);
      });
    }
    updateLoadoutCooldown();
  }

  function hotkeyText(mods, key) {
    if (!key) return '未设置';
    const p = [];
    if (mods & 2) p.push('Ctrl');
    if (mods & 1) p.push('Alt');
    if (mods & 4) p.push('Shift');
    p.push(keyName(key));
    return p.join('+');
  }
  function keyName(code) {
    if (code >= 112 && code <= 123) return 'F' + (code - 111);
    if (code >= 65 && code <= 90) return String.fromCharCode(code);
    if (code >= 48 && code <= 57) return String.fromCharCode(code);
    return String(code);
  }

  $('loAddPage').addEventListener('click', async () => {
    const name = prompt('换装页名称', '换装页' + (loConfig.Pages.length + 1));
    if (!name) return;
    loConfig.Pages.push({Name:name, Schemes:[]});
    loPage = loConfig.Pages.length - 1; loConfig.ActivePage = loPage; loScheme = -1;
    renderLoadout(); await saveLoadout();
  });

  $('loAddScheme').addEventListener('click', async () => {
    const name = prompt('方案名称', '方案' + (currentPage().Schemes.length + 1));
    if (!name) return;
    const character = prompt('绑定角色游戏内名称（可稍后修改）', '') || '';
    currentPage().Schemes.push({Name:name, CharacterName:character, Modifiers:0, KeyCode:0, Slots:[]});
    loScheme = currentPage().Schemes.length - 1;
    renderLoadout(); await saveLoadout();
  });

  $('loDeleteScheme').addEventListener('click', async () => {
    if (loScheme < 0) return;
    if (!confirm('删除当前方案？')) return;
    currentPage().Schemes.splice(loScheme, 1);
    loScheme = -1; renderLoadout(); await saveLoadout();
  });

  $('loSaveConfig').addEventListener('click', () => saveLoadout());
  $('loName').addEventListener('change', () => { const s=currentScheme(); if(s){s.Name=$('loName').value; renderLoadout();} });
  $('loCharacter').addEventListener('change', () => { const s=currentScheme(); if(s){s.CharacterName=$('loCharacter').value.trim(); renderLoadout();} });

  async function saveLoadout(show = true) {
    try {
      if (loConfig) { loConfig.ActivePage = loPage; const s=currentScheme(); if(s){s.Name=$('loName').value; s.CharacterName=$('loCharacter').value.trim();} }
      const r = await post('/api/loadout/config', {config: loConfig});
      if (r.ok) { if (show) $('loStatus').textContent = '配置已保存 ' + new Date().toLocaleTimeString(); }
      else $('loStatus').textContent = r.error || '保存失败';
    } catch (e) { $('loStatus').textContent = '保存失败：' + e.message; }
  }

  $('loRefreshChars').addEventListener('click', async () => {
    try {
      const r = await api('/api/loadout/characters');
      if (!r.ok) { $('loStatus').textContent = r.error || '读取失败'; return; }
      const list = r.data || [];
      $('loStatus').textContent = list.map(c => `${c.name}(${c.online?'在线':'离线'})`).join('  ') || '没有角色';
    } catch (e) { $('loStatus').textContent = e.message; }
  });

  $('loSaveCurrent').addEventListener('click', async () => {
    const s = currentScheme();
    if (!s) { $('loStatus').textContent = '请先选择方案'; return; }
    if (!s.CharacterName) { $('loStatus').textContent = '请先填写绑定角色'; return; }
    try {
      const r = await api('/api/loadout/equipment?character=' + encodeURIComponent(s.CharacterName));
      if (!r.ok) { $('loStatus').textContent = r.error || '读取装备失败'; return; }
      s.Slots = r.data.slots || [];
      renderLoadout(); await saveLoadout();
      $('loStatus').textContent = `已保存 ${s.Slots.length} 个部位`;
    } catch (e) { $('loStatus').textContent = e.message; }
  });

  $('loApply').addEventListener('click', async () => {
    const s = currentScheme();
    if (!s) { $('loStatus').textContent = '请先选择方案'; return; }
    if (s.CharacterName === loCooldownCharacter && loadoutCooldownRemaining() > 0) {
      $('loStatus').textContent = `换装冷却中，还需 ${loadoutCooldownRemaining()} 秒`;
      return;
    }
    try {
      const r = await post('/api/loadout/apply', {character:s.CharacterName, slots:s.Slots || []});
      if (r.ok) {
        const d = r.data || {};
        const applied = (d.applied || []).length;
        const skipped = (d.skipped || []).length;
        if (Number(d.cooldown_seconds) > 0) {
          startLoadoutCooldown(s.CharacterName, Number(d.cooldown_seconds));
          $('loStatus').textContent = `应用完成：成功 ${applied}，跳过 ${skipped}；换装冷却 ${d.cooldown_seconds} 秒`;
        } else {
          $('loStatus').textContent = `应用完成：成功 ${applied}，跳过 ${skipped}`;
        }
      } else {
        const msg = r.error || '应用失败';
        const m = msg.match(/cooldown[^0-9]*(\d+)\s*seconds?/i);
        if (m) {
          startLoadoutCooldown(s.CharacterName, Number(m[1]));
          $('loStatus').textContent = `换装冷却中，还需 ${m[1]} 秒才能再次换装`;
        } else {
          $('loStatus').textContent = msg;
        }
      }
    } catch (e) { $('loStatus').textContent = e.message; }
  });

  $('loCaptureHotkey').addEventListener('click', () => {
    if (!currentScheme()) { $('loStatus').textContent = '请先选择方案'; return; }
    hotkeyCapture = true; $('loHotkey').value = '请按下组合键…'; $('loHotkey').focus();
  });
  $('loHotkey').addEventListener('keydown', (e) => {
    if (!hotkeyCapture) return;
    e.preventDefault();
    let mods = 0;
    if (e.ctrlKey) mods |= 2;
    if (e.altKey) mods |= 1;
    if (e.shiftKey) mods |= 4;
    const key = e.keyCode;
    if (!key || key === 17 || key === 18 || key === 16) return;
    const s = currentScheme();
    if (!s) return;
    s.Modifiers = mods; s.KeyCode = key;
    hotkeyCapture = false;
    $('loHotkey').value = hotkeyText(mods, key);
    saveLoadout();
  });

  async function loadSettings() {
    try {
      const s = await api('/api/status');
      $('setServerRoot').textContent = s.server_root || '未绑定';
      $('setControl').textContent = s.control_exists ? '已找到 DNF90Control.exe' : '缺失';
      $('setDb').textContent = s.db || '未找到';
      $('setClient').textContent = s.client_dir || '未找到';
      $('setRun').textContent = s.server_running ? '运行中' : '未运行';
      $('setNative').textContent = s.native_available ? '可用' : '不可用';
    } catch (e) { /* ignore */ }
  }
  $('setRefresh').addEventListener('click', loadSettings);

  // ==================== 游戏设置（频道开关 / 活动开关） ====================
  let gsCurrentTab = 'channels';
  const gsToast = (msg, type = 'info') => {
    if (typeof gmToast === 'function') gmToast(msg, type);
    else console.log(msg);
  };

  function gsSwitchTab(tab) {
    gsCurrentTab = tab;
    document.querySelectorAll('#gsTabs .st-tab').forEach(el =>
      el.classList.toggle('active', el.dataset.gs === tab));
    $('gsChannelsPane').style.display = tab === 'channels' ? '' : 'none';
    $('gsActivitiesPane').style.display = tab === 'activities' ? '' : 'none';
  }

  function gsChannelTypeText(type) {
    const t = Number(type);
    if (t === 22) return '特殊区域';
    if (t === 11) return '普通城镇';
    if (t === 2 || t === 3) return '引导';
    return '频道 ' + t;
  }

  async function gsLoadChannels() {
    const grid = $('gsChannelGrid');
    const summary = $('gsChannelSummary');
    if (!grid) return;
    grid.innerHTML = '<div class="empty-box">加载中…</div>';
    try {
      const r = await api('/api/game-settings/channel-switches');
      if (!r.ok) {
        grid.innerHTML = '<div class="empty-box">获取失败：' + escapeHtml(r.error || '未知错误') + '</div>';
        summary.textContent = '';
        return;
      }
      const d = r.data || {};
      const list = d.channels || [];
      summary.textContent = '共 ' + (d.total_channels ?? list.length) + ' 个频道 · 已启用 ' +
        (d.enabled_channels ?? '—') + ' · 已停用 ' + (d.disabled_channels ?? '—');
      if (!list.length) {
        grid.innerHTML = '<div class="empty-box">暂无频道数据。请确认服务端已启动。</div>';
        return;
      }
      grid.innerHTML = list.map(ch => {
        const on = !!ch.enabled;
        return `<div class="gs-card ${on ? '' : 'gs-off'}">
          <div class="gs-card-head">
            <span class="gs-card-name">${escapeHtml(ch.name || ('频道 ' + ch.id))}</span>
            <span class="gm-tag ${on ? 'gm-tag-green' : 'gm-tag-gray'}">${on ? '启用' : '停用'}</span>
          </div>
          <div class="gs-card-meta muted">ID ${ch.id} · ${gsChannelTypeText(ch.type)}${ch.group ? ' · ' + escapeHtml(ch.group) : ''}${ch.port ? ' · 端口 ' + ch.port : ''}</div>
          <div class="gs-card-actions">
            <button class="shell-btn ${on ? '' : 'primary'}" data-gs-channel="${ch.id}" data-gs-enable="${!on}">${on ? '停用' : '启用'}</button>
          </div>
        </div>`;
      }).join('');
    } catch (e) {
      grid.innerHTML = '<div class="empty-box">获取失败：' + escapeHtml(e && e.message ? e.message : e) + '</div>';
    }
  }

  async function gsLoadActivities() {
    const list = $('gsActivityList');
    const summary = $('gsActivitySummary');
    if (!list) return;
    list.innerHTML = '<div class="empty-box">加载中…</div>';
    try {
      const r = await api('/api/game-settings/activity-switches');
      if (!r.ok) {
        list.innerHTML = '<div class="empty-box">获取失败：' + escapeHtml(r.error || '未知错误') + '</div>';
        summary.textContent = '';
        return;
      }
      const d = r.data || {};
      const items = d.switches || [];
      const onCount = items.filter(x => x.enabled).length;
      summary.textContent = '共 ' + items.length + ' 个活动 · 已开启 ' + onCount;
      if (!items.length) {
        list.innerHTML = '<div class="empty-box">暂无活动数据。请确认服务端已启动。</div>';
        return;
      }
      list.innerHTML = items.map(it => {
        const on = !!it.enabled;
        return `<div class="gs-row ${on ? '' : 'gs-off'}">
          <div class="gs-row-main">
            <div class="gs-row-name">${escapeHtml(it.title || it.key)}</div>
            <div class="gs-row-desc muted">${escapeHtml(it.description || '')}</div>
          </div>
          <button class="gs-switch ${on ? 'on' : ''}" data-gs-activity="${escapeHtml(it.key)}" data-gs-enable="${!on}" role="switch" aria-checked="${on}">
            <span class="gs-knob"></span>
          </button>
        </div>`;
      }).join('');
    } catch (e) {
      list.innerHTML = '<div class="empty-box">获取失败：' + escapeHtml(e && e.message ? e.message : e) + '</div>';
    }
  }

  async function loadGameSettings() {
    gsSwitchTab(gsCurrentTab);
    if (gsCurrentTab === 'channels') await gsLoadChannels();
    else await gsLoadActivities();
  }

  // 刷新按钮
  $('gsRefresh').addEventListener('click', () => {
    if (gsCurrentTab === 'channels') gsLoadChannels();
    else gsLoadActivities();
  });

  // Tab 切换
  document.querySelectorAll('#gsTabs .st-tab').forEach(el => {
    el.addEventListener('click', () => {
      gsSwitchTab(el.dataset.gs);
      if (gsCurrentTab === 'channels') gsLoadChannels();
      else gsLoadActivities();
    });
  });

  // 频道开关点击（事件委托）
  $('gsChannelGrid').addEventListener('click', async (e) => {
    const btn = e.target.closest('button[data-gs-channel]');
    if (!btn) return;
    const id = Number(btn.dataset.gsChannel);
    const enable = btn.dataset.gsEnable === 'true';
    btn.disabled = true;
    btn.textContent = '处理中…';
    try {
      const r = await post('/api/game-settings/channel-switch', { channel_id: id, enabled: enable });
      if (r.ok) {
        gsToast(enable ? '频道已启用' : '频道已停用', 'success');
        await gsLoadChannels();
      } else {
        gsToast('操作失败：' + (r.error || '未知错误'), 'error');
        btn.disabled = false;
        btn.textContent = enable ? '启用' : '停用';
      }
    } catch (e) {
      gsToast('操作失败：' + (e && e.message ? e.message : e), 'error');
      btn.disabled = false;
      btn.textContent = enable ? '启用' : '停用';
    }
  });

  // 活动开关点击（事件委托）
  $('gsActivityList').addEventListener('click', async (e) => {
    const sw = e.target.closest('button[data-gs-activity]');
    if (!sw) return;
    const key = sw.dataset.gsActivity;
    const enable = sw.dataset.gsEnable === 'true';
    sw.disabled = true;
    try {
      const r = await post('/api/game-settings/activity-switch', { key: key, enabled: enable });
      if (r.ok) {
        gsToast(enable ? '活动已开启' : '活动已关闭', 'success');
        await gsLoadActivities();
      } else {
        gsToast('操作失败：' + (r.error || '未知错误'), 'error');
        sw.disabled = false;
      }
    } catch (e) {
      gsToast('操作失败：' + (e && e.message ? e.message : e), 'error');
      sw.disabled = false;
    }
  });

  // 顶栏拖动窗口（JS move 兜底，兼容 pywebview EdgeChromium）
  // 同时支持第一行标题栏(.shell-topnav)与第二行面包屑栏(.shell-topbar)
  ['shell-topnav', 'shell-topbar'].forEach((sel) => {
    const topbar = document.querySelector('.' + sel);
    if (!topbar) return;
    let dragState = null;
    const onMove = (e) => {
      if (!dragState) return;
      const w = win();
      if (w && w.move) w.move(dragState.x + e.screenX - dragState.sx, dragState.y + e.screenY - dragState.sy);
    };
    const onUp = () => {
      dragState = null;
      document.removeEventListener('mousemove', onMove, true);
      document.removeEventListener('mouseup', onUp, true);
    };
    topbar.addEventListener('mousedown', (e) => {
      if (e.target.closest('button,select,input,a')) return;
      const w = win();
      if (!w || !w.getPosition) return;
      e.preventDefault();
      const sx = e.screenX, sy = e.screenY;
      w.getPosition().then((pos) => {
        dragState = {x: Number(pos[0]) || 0, y: Number(pos[1]) || 0, sx, sy};
        document.addEventListener('mousemove', onMove, true);
        document.addEventListener('mouseup', onUp, true);
      }).catch(() => {});
    });
  });
  document.querySelectorAll('.win-resize').forEach(el => {
    el.addEventListener('mousedown', (e) => {
      e.preventDefault();
      const edge = el.dataset.edge;
      const w = win();
      if (!w) return;
      // 优先系统边缘缩放；右侧/底部再用 JS 尺寸兜底
      if (['left','top','topleft','topright','bottomleft'].includes(edge) && w.start_resize) w.start_resize(edge);
      if (['right','bottom','bottomright'].includes(edge) && w.resize_window) {
        const sx = e.screenX, sy = e.screenY;
        const sw = window.innerWidth, sh = window.innerHeight;
        let rz = {edge, sx, sy, sw, sh};
        const move = (ev) => {
          let nw = sw, nh = sh;
          if (edge.includes('right') || edge === 'right') nw = sw + ev.screenX - sx;
          if (edge.includes('bottom') || edge === 'bottom') nh = sh + ev.screenY - sy;
          w.resize_window(nw, nh);
        };
        const up = () => {
          rz = null;
          document.removeEventListener('mousemove', move, true);
          document.removeEventListener('mouseup', up, true);
        };
        document.addEventListener('mousemove', move, true);
        document.addEventListener('mouseup', up, true);
      }
    });
  });

  // 兼容旧 GM 页面里的返回
  window.shellGo = shellGo;
  loadStart();
  setInterval(loadStart, 4000);
})();