// ============================================================
// DNF90 GM 工具 — 页面模块
// ============================================================

const Pages = {};

// 当前选中的角色（跨页面共享）
let STATE = {
  currentCharacter: null,   // {character_id, name, ...}
};

function setCurrentCharacter(c) {
  STATE.currentCharacter = c;
  const hint = document.getElementById('selectedCharHint');
  if (hint) {
    hint.innerHTML = c
      ? `当前角色：<span style="color:#b79bff;font-weight:700">${escapeHtml(c.name)}</span> (ID ${c.character_id})`
      : '未选择角色';
  }
}

// ============================================================ 控制台
Pages.dashboard = async (el) => {
  el.innerHTML = loadingHtml('正在获取服务端状态…');
  try {
    const [status, gameplay, channels] = await Promise.all([
      API.get('/api/status').catch(() => null),
      API.get('/api/gameplay').catch(() => null),
      API.get('/api/channels').catch(() => null),
    ]);
    CONN.connected = !!status;
    updateConnDot();

    const s = status || {};
    el.innerHTML = `
      <div class="grid grid-4">
        <div class="stat-card accent">
          <div class="label">在线角色</div>
          <div class="value">${s.online_characters ?? 0}</div>
          <div class="ico-bg">👥</div>
        </div>
        <div class="stat-card">
          <div class="label">等级上限</div>
          <div class="value">${s.level_cap ?? '—'}</div>
          <div class="ico-bg">⬆️</div>
        </div>
        <div class="stat-card">
          <div class="label">频道总数</div>
          <div class="value">${channels?.total_channels ?? '—'}</div>
          <div class="ico-bg">📡</div>
        </div>
        <div class="stat-card">
          <div class="label">仓库状态</div>
          <div class="value" style="font-size:20px">${s.repository_ready ? '✅ 就绪' : '⚠️ 异常'}</div>
          <div class="ico-bg">🗄️</div>
        </div>
      </div>

      <div class="card" style="margin-top:16px">
        <div class="card-title"><span class="dot"></span>服务端健康</div>
        <div class="grid grid-2">
          ${kv('仓库仓储', s.repository_ready ? '就绪' : '不可用', s.repository_ready)}
          ${kv('道具目录', s.item_catalog_ready ? '就绪' : '不可用', s.item_catalog_ready)}
          ${kv('服务端地址', CONN.base_url || '未知', true)}
          ${kv('等级上限', s.level_cap ?? '—', true)}
        </div>
        ${s.error ? `<div class="hint" style="color:var(--red)">⚠ ${escapeHtml(s.error)}</div>` : ''}
      </div>

      <div class="card" style="margin-top:16px">
        <div class="card-title"><span class="dot"></span>玩法配置</div>
        ${gameplay ? `
          <div class="grid grid-2">
            ${kv('深渊史诗掉率', (gameplay.hell_drop_rate ?? 0) + '%', true)}
            ${kv('史诗药剂测试倍率', (gameplay.epic_potion_test_multiplier ?? 0) + '%', true)}
          </div>` : '<div class="empty">暂无玩法配置数据</div>'}
      </div>

      <div class="card" style="margin-top:16px">
        <div class="card-title"><span class="dot"></span>快速入口</div>
        <div class="toolbar">
          <button class="btn btn-primary" onclick="Pages.goto('characters')">👥 角色管理</button>
          <button class="btn" onclick="Pages.goto('items')">🎁 道具发放</button>
          <button class="btn" onclick="Pages.goto('mail')">✉️ 邮件系统</button>
          <button class="btn" onclick="Pages.goto('quests')">📜 任务管理</button>
          <button class="btn" onclick="Pages.goto('dungeons')">⚔️ 副本控制</button>
          <button class="btn" onclick="Pages.goto('wallet')">💰 钱包点券</button>
        </div>
      </div>
    `;
  } catch (e) {
    el.innerHTML = connectPanel();
  }
};

function kv(label, value, ok) {
  const color = ok ? 'var(--text-0)' : 'var(--red)';
  return `<div style="padding:10px 0;border-bottom:1px solid var(--border)">
    <span style="color:var(--text-2);font-size:13px">${escapeHtml(label)}</span>
    <span style="float:right;color:${color};font-weight:600;font-size:13.5px">${escapeHtml(value)}</span>
  </div>`;
}

function connectPanel() {
  return `
    <div class="card" style="max-width:640px;margin:40px auto">
      <div class="card-title"><span class="dot"></span>连接服务端</div>
      <p style="color:var(--text-2);font-size:13.5px;margin-bottom:18px;line-height:1.6">
        无法连接到本地 DNF90 服务端。请确认服务端已启动，或手动填写连接信息。
      </p>
      <div class="conn-panel">
        <div class="field" style="flex:1;min-width:120px">
          <label>主机</label>
          <input class="input" id="connHost" value="127.0.0.1">
        </div>
        <div class="field" style="width:110px">
          <label>端口</label>
          <input class="input" id="connPort" value="18111">
        </div>
        <div class="field" style="flex:1;min-width:160px">
          <label>Admin Token</label>
          <input class="input" id="connToken" placeholder="local-admin-token">
        </div>
      </div>
      <div class="toolbar" style="margin-top:16px;margin-bottom:0">
        <button class="btn btn-primary" onclick="doConnect()">连接</button>
        <button class="btn" onclick="doDiscover()">🔍 自动发现</button>
      </div>
    </div>`;
}

async function doConnect() {
  const host = document.getElementById('connHost').value.trim() || '127.0.0.1';
  const port = parseInt(document.getElementById('connPort').value) || 18111;
  const token = document.getElementById('connToken').value.trim();
  try {
    await API.post('/api/connect', { host, port, token });
    toast('连接成功', 'ok');
    CONN.connected = true;
    updateConnDot();
    renderCurrentPage();
  } catch (e) {
    toast(e.message, 'err');
  }
}

async function doDiscover() {
  toast('正在自动发现服务端…', 'info');
  try {
    const r = await API.get('/api/discover');
    toast('发现服务端：' + r.base_url, 'ok');
    CONN.connected = true;
    updateConnDot();
    renderCurrentPage();
  } catch (e) {
    toast(e.message, 'err');
  }
}

// ============================================================ 角色管理
Pages.characters = async (el) => {
  el.innerHTML = `
    <div class="card">
      <div class="card-title"><span class="dot"></span>查询角色</div>
      <div class="search-row">
        <select class="select" id="charSearchType" style="width:130px">
          <option value="account">按账号</option>
          <option value="name">按角色名</option>
          <option value="username">按登录用户名</option>
        </select>
        <input class="input" id="charSearch" placeholder="输入账号 / 角色名 / 用户名，留空查全部">
        <button class="btn btn-primary" id="btnCharSearch">🔍 查询</button>
      </div>
    </div>
    <div id="charList" class="card" style="margin-top:16px"></div>
  `;
  const doSearch = async () => {
    const type = document.getElementById('charSearchType').value;
    const q = document.getElementById('charSearch').value.trim();
    const listEl = document.getElementById('charList');
    listEl.innerHTML = loadingHtml('查询角色中…');
    try {
      const params = {};
      if (q) {
        if (type === 'account') params.account_id = q;
        else if (type === 'name') params.character_name = q;
        else params.username = q;
      }
      const qs = new URLSearchParams(params).toString();
      const chars = await API.get('/api/characters' + (qs ? '?' + qs : ''));
      renderCharList(listEl, chars);
    } catch (e) {
      listEl.innerHTML = `<div class="empty">查询失败：${escapeHtml(e.message)}</div>`;
    }
  };
  document.getElementById('btnCharSearch').addEventListener('click', doSearch);
  document.getElementById('charSearch').addEventListener('keydown', e => { if (e.key === 'Enter') doSearch(); });
  // 默认加载
  doSearch();
};

function renderCharList(el, chars) {
  const list = Array.isArray(chars) ? chars : (chars?.data || []);
  if (!list.length) {
    el.innerHTML = '<div class="empty">没有找到角色</div>';
    return;
  }
  el.innerHTML = `
    <div class="card-title"><span class="dot"></span>角色列表 (${list.length})</div>
    <div class="table-wrap">
      <table>
        <thead><tr>
          <th>角色</th><th>ID</th><th>账号ID</th><th>等级</th><th>金币</th><th>点券</th><th>状态</th><th>操作</th>
        </tr></thead>
        <tbody>
          ${list.map(c => `
            <tr>
              <td><div style="display:flex;align-items:center;gap:10px">
                <div class="avatar">${escapeHtml((c.name || '?')[0])}</div>
                <span style="font-weight:600">${escapeHtml(c.name)}</span>
              </div></td>
              <td>${c.character_id}</td>
              <td style="color:var(--text-2)">${escapeHtml(c.account_id || '—')}</td>
              <td><span class="tag tag-purple">Lv.${c.level ?? 0}</span></td>
              <td class="num-gold">${fmt(c.gold)}</td>
              <td class="num-cyan">${fmt(c.cera)}</td>
              <td>${c.online ? '<span class="tag tag-green">在线</span>' : '<span class="tag tag-gray">离线</span>'}</td>
              <td><div style="display:flex;gap:6px">
                <button class="btn btn-xs btn-primary" onclick="openCharDetail('${c.character_id}')">详情</button>
                <button class="btn btn-xs" onclick="openCharEdit('${c.character_id}','${escapeHtml(c.name||'')}',${c.level||0},${c.gold||0})">编辑</button>
              </div></td>
            </tr>`).join('')}
        </tbody>
      </table>
    </div>`;
}

async function openCharDetail(id) {
  openModal({ title: '角色详情', wide: true, body: loadingHtml('加载角色详情…') });
  const bodyEl = document.querySelector('.modal:last-of-type .modal-body');
  try {
    const [detail, inv] = await Promise.all([
      API.get(`/api/characters/${id}/detail`),
      API.get(`/api/characters/${id}/inventory`).catch(() => null),
    ]);
    const c = detail.character || detail;
    bodyEl.innerHTML = `
      <div class="grid grid-4" style="margin-bottom:18px">
        ${statMini('等级', c.level)}
        ${statMini('金币', fmt(c.gold))}
        ${statMini('职业', c.profession_name || c.job || '—')}
        ${statMini('状态', c.online ? '在线' : '离线')}
      </div>
      <div class="form-row">
        ${kv('角色ID', c.character_id)}
        ${kv('账号ID', c.account_id || '—')}
        ${kv('角色名', c.name)}
        ${kv('成长类型', c.grow_type ?? '—')}
      </div>
      <pre style="margin-top:16px;background:var(--bg-1);padding:16px;border-radius:10px;overflow:auto;font-size:12px;color:var(--text-2);max-height:300px">${escapeHtml(JSON.stringify(detail, null, 2))}</pre>`;
  } catch (e) {
    bodyEl.innerHTML = `<div class="empty">加载失败：${escapeHtml(e.message)}</div>`;
  }
}

function statMini(label, val) {
  return `<div class="stat-card" style="padding:12px 16px">
    <div class="label">${escapeHtml(label)}</div>
    <div class="value" style="font-size:20px">${escapeHtml(String(val ?? '—'))}</div>
  </div>`;
}

async function openCharEdit(id, name, level, gold) {
  openModal({
    title: `编辑角色 · ${name}`,
    body: `
      <div class="form-row">
        <div class="field">
          <label>等级</label>
          <input class="input" id="editLevel" type="number" value="${level}" min="1" max="110">
        </div>
        <div class="field">
          <label>金币</label>
          <input class="input" id="editGold" type="number" value="${gold}">
        </div>
        <div class="field">
          <label>技能点加成 (SP)</label>
          <input class="input" id="editSp" type="number" value="0">
        </div>
        <div class="field">
          <label>技能点加成 (TP)</label>
          <input class="input" id="editTp" type="number" value="0">
        </div>
      </div>
      <div class="hint">修改后角色需重新上线才完全生效。</div>`,
    foot: `<button class="btn" data-close>取消</button>
      <button class="btn btn-primary" onclick="saveCharEdit('${id}')">保存</button>`,
  });
}

async function saveCharEdit(id) {
  const level = parseInt(document.getElementById('editLevel').value);
  const gold = parseInt(document.getElementById('editGold').value);
  const sp = parseInt(document.getElementById('editSp').value);
  const tp = parseInt(document.getElementById('editTp').value);
  try {
    if (level > 0) await API.post(`/api/characters/${id}/level`, { level });
    if (!isNaN(gold)) await API.post(`/api/characters/${id}/gold`, { value: gold });
    if (sp || tp) await API.post(`/api/characters/${id}/skill-points`, { bonus_sp: sp, bonus_tp: tp });
    toast('修改成功', 'ok');
    document.querySelector('.modal:last-of-type').remove();
    renderCurrentPage();
  } catch (e) {
    toast(e.message, 'err');
  }
}

// ============================================================ 道具发放
Pages.items = async (el) => {
  el.innerHTML = `
    <div class="card">
      <div class="card-title"><span class="dot"></span>道具搜索</div>
      <div class="search-row">
        <input class="input" id="itemSearch" placeholder="输入道具名称或 ID 搜索">
        <button class="btn btn-primary" id="btnItemSearch">🔍 搜索</button>
      </div>
      <div id="itemSelected" class="hint" style="margin-top:10px"></div>
    </div>
    <div id="itemList" class="card" style="margin-top:16px"></div>
  `;

  let selectedItem = null;
  const selEl = document.getElementById('itemSelected');

  function renderSelected() {
    if (!selectedItem) { selEl.innerHTML = '未选择道具'; return; }
    selEl.innerHTML = `
      <span style="color:var(--text-1)">已选择：</span>
      <span class="${rarityColor(selectedItem.rarity)}" style="font-weight:700">
        ${escapeHtml(selectedItem.name || selectedItem.item_id)}
      </span>
      <span class="tag tag-gray" style="margin-left:8px">ID ${selectedItem.item_id}</span>`;
  }

  const doSearch = async () => {
    const q = document.getElementById('itemSearch').value.trim();
    const listEl = document.getElementById('itemList');
    listEl.innerHTML = loadingHtml('搜索道具中…');
    try {
      const items = await API.get('/api/items/search?q=' + encodeURIComponent(q) + '&limit=50');
      const list = Array.isArray(items) ? items : (items?.items || items?.data || []);
      if (!list.length) { listEl.innerHTML = '<div class="empty">没有找到道具</div>'; return; }
      listEl.innerHTML = `
        <div class="card-title"><span class="dot"></span>搜索结果 (${list.length})</div>
        <div class="table-wrap"><table>
          <thead><tr><th>道具</th><th>ID</th><th>稀有度</th><th>类型</th><th>等级</th><th>操作</th></tr></thead>
          <tbody>${list.map(it => `
            <tr>
              <td><span class="${rarityColor(it.rarity)}" style="font-weight:600">${escapeHtml(it.name || it.item_id)}</span></td>
              <td>${it.item_id}</td>
              <td><span class="${rarityColor(it.rarity)}">${rarityName(it.rarity)}</span></td>
              <td style="color:var(--text-2)">${escapeHtml(it.kind || it.type || '—')}</td>
              <td>${it.level ?? '—'}</td>
              <td><button class="btn btn-xs btn-primary" onclick="selectItem('${it.item_id}')">选择</button></td>
            </tr>`).join('')}
          </tbody>
        </table></div>`;
    } catch (e) {
      listEl.innerHTML = `<div class="empty">搜索失败：${escapeHtml(e.message)}</div>`;
    }
  };
  window.selectItem = (id) => {
    // 简单方式：重新查一次详情
    API.get(`/api/items/${id}/detail`).then(detail => {
      selectedItem = detail.item || detail || { item_id: id, name: '道具#' + id, rarity: 0 };
      renderSelected();
      toast('已选择道具', 'ok');
    }).catch(() => {
      selectedItem = { item_id: id, name: '道具#' + id, rarity: 0 };
      renderSelected();
    });
  };

  document.getElementById('btnItemSearch').addEventListener('click', doSearch);
  document.getElementById('itemSearch').addEventListener('keydown', e => { if (e.key === 'Enter') doSearch(); });
};

// ============================================================ 邮件系统
Pages.mail = async (el) => {
  el.innerHTML = `
    <div class="card">
      <div class="card-title"><span class="dot"></span>发送邮件</div>
      <div class="form-row">
        <div class="field">
          <label>收件角色名</label>
          <input class="input" id="mailName" placeholder="角色名">
        </div>
        <div class="field">
          <label>邮件标题</label>
          <input class="input" id="mailTitle" placeholder="标题">
        </div>
        <div class="field full">
          <label>邮件正文</label>
          <textarea class="textarea" id="mailBody" placeholder="正文内容"></textarea>
        </div>
        <div class="field">
          <label>附带金币</label>
          <input class="input" id="mailGold" type="number" value="0">
        </div>
        <div class="field">
          <label>附件道具ID（可选）</label>
          <input class="input" id="mailItemId" type="number" placeholder="道具ID">
        </div>
        <div class="field">
          <label>道具数量</label>
          <input class="input" id="mailItemCount" type="number" value="1">
        </div>
        <div class="field">
          <label>有效期（天）</label>
          <input class="input" id="mailExpire" type="number" value="7">
        </div>
      </div>
      <div class="toolbar" style="margin-top:16px;margin-bottom:0">
        <button class="btn btn-primary" onclick="sendSystemMail()">📨 发送系统邮件</button>
      </div>
    </div>
    <div class="card" style="margin-top:16px">
      <div class="card-title"><span class="dot"></span>指定角色发件</div>
      <div class="search-row">
        <input class="input" id="mailCharId" placeholder="角色ID">
        <button class="btn btn-primary" onclick="sendCharMail()">发送到角色</button>
      </div>
      <div class="hint">指定角色发件使用上方填写的标题、正文、道具与有效期。</div>
    </div>
  `;
};

async function sendSystemMail() {
  const payload = {
    character_name: document.getElementById('mailName').value.trim(),
    title: document.getElementById('mailTitle').value.trim(),
    body: document.getElementById('mailBody').value.trim(),
    gold: parseInt(document.getElementById('mailGold').value) || 0,
  };
  const itemId = parseInt(document.getElementById('mailItemId').value);
  if (itemId) {
    payload.attachments = [{
      item_id: itemId,
      count: parseInt(document.getElementById('mailItemCount').value) || 1,
      bind: false,
    }];
  }
  if (!payload.character_name) { toast('请输入收件角色名', 'err'); return; }
  try {
    await API.post('/api/system-mail', payload);
    toast('邮件已发送', 'ok');
  } catch (e) { toast(e.message, 'err'); }
}

async function sendCharMail() {
  const cid = document.getElementById('mailCharId').value.trim();
  if (!cid) { toast('请输入角色ID', 'err'); return; }
  const payload = {
    item_id: parseInt(document.getElementById('mailItemId').value) || 0,
    count: parseInt(document.getElementById('mailItemCount').value) || 1,
    title: document.getElementById('mailTitle').value.trim(),
    body: document.getElementById('mailBody').value.trim(),
    expire_days: parseInt(document.getElementById('mailExpire').value) || 7,
  };
  try {
    await API.post(`/api/characters/${cid}/mail`, payload);
    toast('邮件已发送', 'ok');
  } catch (e) { toast(e.message, 'err'); }
}

// ============================================================ 背包装备
Pages.inventory = async (el) => {
  el.innerHTML = `
    <div class="card">
      <div class="card-title"><span class="dot"></span>查看背包</div>
      <div class="search-row">
        <input class="input" id="invCharId" placeholder="输入角色ID">
        <button class="btn btn-primary" id="btnInvLoad">查看</button>
        <button class="btn btn-danger" id="btnInvClear">清空背包</button>
      </div>
    </div>
    <div id="invList" class="card" style="margin-top:16px"></div>
  `;
  document.getElementById('btnInvLoad').addEventListener('click', loadInventory);
  document.getElementById('btnInvClear').addEventListener('click', () => {
    const cid = document.getElementById('invCharId').value.trim();
    if (!cid) { toast('请输入角色ID', 'err'); return; }
    if (!confirm('确定要清空该角色背包吗？此操作不可逆！')) return;
    API.post(`/api/characters/${cid}/inventory/clear`, { container: 'inventory' })
      .then(() => { toast('背包已清空', 'ok'); loadInventory(); })
      .catch(e => toast(e.message, 'err'));
  });
};

async function loadInventory() {
  const cid = document.getElementById('invCharId').value.trim();
  if (!cid) { toast('请输入角色ID', 'err'); return; }
  const listEl = document.getElementById('invList');
  listEl.innerHTML = loadingHtml('加载背包…');
  try {
    const inv = await API.get(`/api/characters/${cid}/inventory`);
    const items = inv.items || inv.data || [];
    listEl.innerHTML = `
      <div class="card-title"><span class="dot"></span>背包内容 (${items.length})</div>
      <div class="table-wrap"><table>
        <thead><tr><th>道具</th><th>ID</th><th>数量</th><th>稀有度</th><th>操作</th></tr></thead>
        <tbody>${items.map(it => `
          <tr>
            <td style="font-weight:600">${escapeHtml(it.name || it.item_name || it.item_id)}</td>
            <td>${it.item_id}</td>
            <td>${it.count ?? 1}</td>
            <td><span class="${rarityColor(it.rarity)}">${rarityName(it.rarity)}</span></td>
            <td><button class="btn btn-xs btn-danger" onclick="delInvItem('${cid}','${escapeHtml(it.key||it.item_id)}')">删除</button></td>
          </tr>`).join('')}
        </tbody>
      </table></div>`;
  } catch (e) {
    listEl.innerHTML = `<div class="empty">加载失败：${escapeHtml(e.message)}</div>`;
  }
}

async function delInvItem(cid, key) {
  if (!confirm('确定删除该道具？')) return;
  try {
    await API.post(`/api/characters/${cid}/inventory/delete`, { container: 'inventory', key, count: 1 });
    toast('已删除', 'ok');
    loadInventory();
  } catch (e) { toast(e.message, 'err'); }
}

// ============================================================ 任务管理
Pages.quests = async (el) => {
  el.innerHTML = `
    <div class="card">
      <div class="card-title"><span class="dot"></span>任务查询</div>
      <div class="search-row">
        <input class="input" id="questCharId" placeholder="角色ID">
        <input class="input" id="questSearch" placeholder="任务名/ID（可选）">
        <button class="btn btn-primary" id="btnQuestLoad">查询</button>
      </div>
    </div>
    <div id="questList" class="card" style="margin-top:16px"></div>
  `;
  document.getElementById('btnQuestLoad').addEventListener('click', loadQuests);
};

async function loadQuests() {
  const cid = document.getElementById('questCharId').value.trim();
  if (!cid) { toast('请输入角色ID', 'err'); return; }
  const q = document.getElementById('questSearch').value.trim();
  const listEl = document.getElementById('questList');
  listEl.innerHTML = loadingHtml('加载任务…');
  try {
    let quests;
    if (q) {
      quests = await API.get(`/api/characters/${cid}/quests/search?q=${encodeURIComponent(q)}&limit=100`);
    } else {
      quests = await API.get(`/api/characters/${cid}/quests`);
    }
    const active = quests.active || [];
    const completed = quests.completed || [];
    listEl.innerHTML = `
      <div class="card-title"><span class="dot"></span>进行中任务 (${active.length})</div>
      <div class="table-wrap"><table>
        <thead><tr><th>任务</th><th>ID</th><th>类型</th><th>等级</th><th>操作</th></tr></thead>
        <tbody>${active.map(q => `
          <tr>
            <td style="font-weight:600">${escapeHtml(q.name)}</td>
            <td>${q.quest_id}</td>
            <td style="color:var(--text-2)">${escapeHtml(q.type || '—')}</td>
            <td>${q.level_min ?? '—'}</td>
            <td><div style="display:flex;gap:5px">
              <button class="btn btn-xs btn-primary" onclick="questAct('${cid}',${q.quest_id},'complete')">完成</button>
              <button class="btn btn-xs" onclick="questAct('${cid}',${q.quest_id},'give-up')">放弃</button>
            </div></td>
          </tr>`).join('')}
        </tbody>
      </table></div>
      ${completed.length ? `
        <div class="card-title" style="margin-top:20px"><span class="dot"></span>已完成任务 (${completed.length})</div>
        <div class="table-wrap"><table>
          <thead><tr><th>任务</th><th>ID</th><th>类型</th><th>操作</th></tr></thead>
          <tbody>${completed.map(q => `
            <tr>
              <td>${escapeHtml(q.name)}</td>
              <td>${q.quest_id}</td>
              <td style="color:var(--text-2)">${escapeHtml(q.type || '—')}</td>
              <td><button class="btn btn-xs" onclick="questAct('${cid}',${q.quest_id},'uncomplete')">撤销完成</button></td>
            </tr>`).join('')}
          </tbody>
        </table></div>` : ''}`;
  } catch (e) {
    listEl.innerHTML = `<div class="empty">加载失败：${escapeHtml(e.message)}</div>`;
  }
}

async function questAct(cid, qid, action) {
  const labels = { complete: '完成', 'give-up': '放弃', uncomplete: '撤销完成', accept: '接受', ready: '就绪' };
  if (!confirm(`确定要「${labels[action]}」该任务吗？`)) return;
  try {
    await API.post(`/api/characters/${cid}/quests/${qid}/${action}`);
    toast('操作成功', 'ok');
    loadQuests();
  } catch (e) { toast(e.message, 'err'); }
}

// ============================================================ 副本控制
Pages.dungeons = async (el) => {
  el.innerHTML = `
    <div class="card">
      <div class="card-title"><span class="dot"></span>副本控制</div>
      <div class="search-row">
        <input class="input" id="dungeonCharId" placeholder="角色ID">
        <button class="btn btn-primary" id="btnDungeonLoad">查看副本状态</button>
        <button class="btn" id="btnDungeonUnlockDiff">解锁全部难度</button>
        <button class="btn" id="btnDungeonUnlockHell">解锁深渊模式</button>
        <button class="btn btn-danger" id="btnDungeonReturn">安全回城</button>
      </div>
    </div>
    <div id="dungeonInfo" class="card" style="margin-top:16px"></div>
  `;
  const cid = () => document.getElementById('dungeonCharId').value.trim();
  const load = async () => {
    if (!cid()) { toast('请输入角色ID', 'err'); return; }
    const infoEl = document.getElementById('dungeonInfo');
    infoEl.innerHTML = loadingHtml('加载副本状态…');
    try {
      const [dungeons, control] = await Promise.all([
        API.get(`/api/characters/${cid()}/dungeons`),
        API.get(`/api/characters/${cid()}/dungeon-control`).catch(() => null),
      ]);
      const st = control?.state || {};
      infoEl.innerHTML = `
        <div class="card-title"><span class="dot"></span>副本状态</div>
        <div class="grid grid-3">
          ${statMini('是否在线', st.online ? '在线' : '离线')}
          ${statMini('是否在副本', st.in_dungeon ? '是' : '否')}
          ${statMini('运行状态', st.run_status || '—')}
        </div>
        ${st.in_dungeon ? `
          <div class="form-row" style="margin-top:16px">
            ${kv('副本ID', st.dungeon_id ?? '—')}
            ${kv('地图ID', st.map_id ?? '—')}
            ${kv('当前房间', st.current_room ?? '—')}
            ${kv('已访问房间', st.visited_room_count ?? '—')}
            ${kv('已清怪数', st.defeated_object_count ?? '—')}
            ${kv('可回城', st.can_return_to_town ? '是' : '否')}
          </div>` : ''}
        <pre style="margin-top:16px;background:var(--bg-1);padding:16px;border-radius:10px;overflow:auto;font-size:12px;color:var(--text-2);max-height:260px">${escapeHtml(JSON.stringify(dungeons, null, 2))}</pre>`;
    } catch (e) {
      infoEl.innerHTML = `<div class="empty">加载失败：${escapeHtml(e.message)}</div>`;
    }
  };
  document.getElementById('btnDungeonLoad').addEventListener('click', load);
  document.getElementById('btnDungeonUnlockDiff').addEventListener('click', async () => {
    if (!cid()) return toast('请输入角色ID', 'err');
    try { await API.post(`/api/characters/${cid()}/dungeons/unlock-difficulties`); toast('已解锁全部难度', 'ok'); } catch (e) { toast(e.message, 'err'); }
  });
  document.getElementById('btnDungeonUnlockHell').addEventListener('click', async () => {
    if (!cid()) return toast('请输入角色ID', 'err');
    try { await API.post(`/api/characters/${cid()}/dungeons/unlock-hell`); toast('已解锁深渊模式', 'ok'); } catch (e) { toast(e.message, 'err'); }
  });
  document.getElementById('btnDungeonReturn').addEventListener('click', async () => {
    if (!cid()) return toast('请输入角色ID', 'err');
    if (!confirm('确定要将该角色安全送回城镇吗？')) return;
    try { await API.post(`/api/characters/${cid()}/dungeon-return`); toast('已请求回城', 'ok'); load(); } catch (e) { toast(e.message, 'err'); }
  });
};

// ============================================================ 钱包点券
Pages.wallet = async (el) => {
  el.innerHTML = `
    <div class="card">
      <div class="card-title"><span class="dot"></span>钱包点券</div>
      <div class="search-row">
        <input class="input" id="walletCharId" placeholder="角色ID">
        <button class="btn btn-primary" id="btnWalletQuery">查询钱包</button>
        <button class="btn" onclick="bdStatus()">黑钻状态</button>
        <button class="btn btn-primary" onclick="bdActivate()">开通黑钻</button>
      </div>
    </div>
    <div id="walletInfo" class="card" style="margin-top:16px"></div>
  `;
  document.getElementById('btnWalletQuery').addEventListener('click', queryWallet);
};

async function queryWallet() {
  const cid = document.getElementById('walletCharId').value.trim();
  if (!cid) { toast('请输入角色ID', 'err'); return; }
  const infoEl = document.getElementById('walletInfo');
  infoEl.innerHTML = loadingHtml('查询钱包…');
  try {
    const wallet = await API.post(`/api/characters/${cid}/wallet/query`);
    infoEl.innerHTML = `
      <div class="card-title"><span class="dot"></span>钱包信息</div>
      <pre style="background:var(--bg-1);padding:16px;border-radius:10px;overflow:auto;font-size:13px;color:var(--text-1)">${escapeHtml(JSON.stringify(wallet, null, 2))}</pre>`;
  } catch (e) {
    infoEl.innerHTML = `<div class="empty">查询失败：${escapeHtml(e.message)}</div>`;
  }
}

async function bdStatus() {
  const cid = document.getElementById('walletCharId').value.trim();
  try {
    const r = await API.get('/api/black-diamond' + (cid ? '?id=' + cid : ''));
    const infoEl = document.getElementById('walletInfo');
    infoEl.innerHTML = `<div class="card-title"><span class="dot"></span>黑钻状态</div>
      <pre style="background:var(--bg-1);padding:16px;border-radius:10px;overflow:auto;font-size:13px;color:var(--text-1)">${escapeHtml(JSON.stringify(r, null, 2))}</pre>`;
  } catch (e) { toast(e.message, 'err'); }
}

async function bdActivate() {
  const cid = document.getElementById('walletCharId').value.trim();
  if (!cid) { toast('请输入角色ID', 'err'); return; }
  const days = prompt('开通黑钻天数（默认30天）', '30');
  if (days === null) return;
  try {
    await API.post('/api/black-diamond/activate', { character_id: cid, days: parseInt(days) || 30 });
    toast('黑钻已开通', 'ok');
    bdStatus();
  } catch (e) { toast(e.message, 'err'); }
}

// ============================================================ 玩法配置
Pages.gameplay = async (el) => {
  el.innerHTML = `<div class="card"><div class="card-title"><span class="dot"></span>玩法配置</div></div>`;
  const card = el.querySelector('.card');
  try {
    const gp = await API.get('/api/gameplay');
    card.innerHTML = `
      <div class="card-title"><span class="dot"></span>玩法配置</div>
      <div class="form-row">
        <div class="field">
          <label>深渊史诗掉率（%）</label>
          <input class="input" id="gpHellRate" type="number" value="${gp.hell_drop_rate ?? 0}">
        </div>
        <div class="field">
          <label>史诗药剂测试倍率（%）</label>
          <input class="input" id="gpPotion" type="number" value="${gp.epic_potion_test_multiplier ?? 0}">
        </div>
      </div>
      <div class="toolbar" style="margin-top:16px;margin-bottom:0">
        <button class="btn btn-primary" onclick="saveGameplay()">保存配置</button>
      </div>`;
  } catch (e) {
    card.innerHTML = `<div class="card-title"><span class="dot"></span>玩法配置</div>
      <div class="empty">加载失败：${escapeHtml(e.message)}</div>`;
  }
};

async function saveGameplay() {
  const hellRate = parseInt(document.getElementById('gpHellRate').value) || 0;
  const potion = parseInt(document.getElementById('gpPotion').value) || 0;
  try {
    await API.post('/api/gameplay/hell-drop-rate', { percent: hellRate });
    await API.post('/api/gameplay/epic-potion-multiplier', { percent: potion });
    toast('配置已保存', 'ok');
  } catch (e) { toast(e.message, 'err'); }
}

// ============================================================ 频道管理
Pages.channels = async (el) => {
  el.innerHTML = loadingHtml('加载频道…');
  try {
    const channels = await API.get('/api/channels');
    const list = channels.channels || [];
    el.innerHTML = `
      <div class="card">
        <div class="card-title"><span class="dot"></span>频道总览</div>
        <div class="grid grid-4">
          ${statMini('频道总数', channels.total_channels)}
          ${statMini('已启用', channels.enabled_channels)}
          ${statMini('游戏端口', channels.game_ports)}
          ${statMini('单机频道', (channels.single_player_ids || []).join(', ') || '—')}
        </div>
        <div class="toolbar" style="margin-top:16px;margin-bottom:0">
          <button class="btn btn-primary" onclick="reloadChannels()">🔄 热重载频道</button>
        </div>
      </div>
      <div class="card" style="margin-top:16px">
        <div class="card-title"><span class="dot"></span>频道列表</div>
        <div class="table-wrap"><table>
          <thead><tr><th>ID</th><th>名称</th><th>分组</th><th>端口</th><th>类型</th><th>状态</th></tr></thead>
          <tbody>${list.map(c => `
            <tr>
              <td>${c.id}</td>
              <td style="font-weight:600">${escapeHtml(c.name || '—')}</td>
              <td style="color:var(--text-2)">${escapeHtml(c.group || '—')}</td>
              <td>${c.port ?? '—'}</td>
              <td>${c.type === 0 ? '普通' : '特殊'}</td>
              <td>${c.enabled ? '<span class="tag tag-green">启用</span>' : '<span class="tag tag-gray">禁用</span>'}</td>
            </tr>`).join('')}
          </tbody>
        </table></div>
      </div>`;
  } catch (e) {
    el.innerHTML = `<div class="card"><div class="empty">加载失败：${escapeHtml(e.message)}</div></div>`;
  }
};

async function reloadChannels() {
  try {
    await API.post('/api/channels/reload');
    toast('频道已热重载', 'ok');
    renderCurrentPage();
  } catch (e) { toast(e.message, 'err'); }
}

// ============================================================ 连接设置
Pages.settings = async (el) => {
  el.innerHTML = `
    <div class="card" style="max-width:640px">
      <div class="card-title"><span class="dot"></span>连接设置</div>
      <div class="conn-panel">
        <div class="field" style="flex:1;min-width:120px">
          <label>主机</label>
          <input class="input" id="connHost" value="127.0.0.1">
        </div>
        <div class="field" style="width:110px">
          <label>端口</label>
          <input class="input" id="connPort" value="18111">
        </div>
        <div class="field" style="flex:1;min-width:160px">
          <label>Admin Token</label>
          <input class="input" id="connToken" placeholder="local-admin-token">
        </div>
      </div>
      <div class="toolbar" style="margin-top:16px;margin-bottom:0">
        <button class="btn btn-primary" onclick="doConnect()">连接</button>
        <button class="btn" onclick="doDiscover()">🔍 自动发现</button>
      </div>
      <div class="hint" style="margin-top:14px">当前后端地址：${CONN.base_url || '未连接'}</div>
    </div>`;
};

Pages.goto = (page) => {
  document.querySelectorAll('.nav-item').forEach(n => n.classList.toggle('active', n.dataset.page === page));
  renderPage(page);
};