// AI助手 - 后台管理前端

const API_BASE = '';

let currentPage = 'stats';
let llmConfigs = [];
let agents = [];
let toolConfigs = [];
let chatConfigs = [];
let systemConfigs = {};

// ==================== 登录 ====================

document.getElementById('loginBtn').addEventListener('click', async () => {
  const username = document.getElementById('loginUsername').value.trim();
  const password = document.getElementById('loginPassword').value;
  
  if (!username || !password) {
    showToast('请输入用户名和密码');
    return;
  }
  
  try {
    const res = await fetch(`${API_BASE}/api/admin/login`, {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({ username, password })
    });
    
    const data = await res.json();
    
    if (data.success) {
      localStorage.setItem('adminLoggedIn', 'true');
      localStorage.setItem('adminUsername', username);
      document.getElementById('loginPage').style.display = 'none';
      document.getElementById('adminPage').style.display = 'block';
      document.getElementById('adminName').textContent = username;
      loadPage('stats');
    } else {
      showToast(data.error || '登录失败');
    }
  } catch (e) {
    showToast('登录失败，请检查网络');
  }
});

// 检查登录状态
if (localStorage.getItem('adminLoggedIn') === 'true') {
  document.getElementById('loginPage').style.display = 'none';
  document.getElementById('adminPage').style.display = 'block';
  document.getElementById('adminName').textContent = localStorage.getItem('adminUsername');
  loadPage('stats');
}

// 退出登录
document.getElementById('logoutBtn').addEventListener('click', () => {
  localStorage.removeItem('adminLoggedIn');
  localStorage.removeItem('adminUsername');
  document.getElementById('adminPage').style.display = 'none';
  document.getElementById('loginPage').style.display = 'flex';
});

// ==================== 侧边栏导航 ====================

document.querySelectorAll('.sidebar-item').forEach(item => {
  item.addEventListener('click', () => {
    const page = item.getAttribute('data-page');
    document.querySelectorAll('.sidebar-item').forEach(i => i.classList.remove('active'));
    item.classList.add('active');
    loadPage(page);
  });
});

// ==================== 页面加载 ====================

async function loadPage(page) {
  currentPage = page;
  const content = document.getElementById('mainContent');
  
  switch (page) {
    case 'stats':
      await loadStatsPage(content);
      break;
    case 'users':
      await loadUsersPage(content);
      break;
    case 'llm':
      await loadLLMPage(content);
      break;
    case 'agents':
      await loadAgentsPage(content);
      break;
    case 'chat':
      await loadChatConfigPage(content);
      break;
    case 'tools':
      await loadToolsPage(content);
      break;
    case 'system':
      await loadSystemPage(content);
      break;
  }
}

// ==================== 统计页面 ====================

async function loadStatsPage(content) {
  const stats = await fetchAPI('/api/admin/stats');
  
  content.innerHTML = `
    <div class="content-header">
      <h1 class="content-title">统计信息</h1>
    </div>
    
    <div class="stats-grid">
      <div class="stat-card">
        <div class="stat-icon">🧠</div>
        <div class="stat-value">${stats.llm_total_calls || 0}</div>
        <div class="stat-label">LLM 总调用</div>
      </div>
      <div class="stat-card">
        <div class="stat-icon">📊</div>
        <div class="stat-value">${stats.llm_today_calls || 0}</div>
        <div class="stat-label">今日 LLM 调用</div>
      </div>
      <div class="stat-card">
        <div class="stat-icon">🔍</div>
        <div class="stat-value">${stats.search_total_calls || 0}</div>
        <div class="stat-label">搜索总调用</div>
      </div>
      <div class="stat-card">
        <div class="stat-icon">📈</div>
        <div class="stat-value">${stats.search_today_calls || 0}</div>
        <div class="stat-label">今日搜索</div>
      </div>
    </div>
    
    <div class="stats-grid">
      <div class="stat-card">
        <div class="stat-icon">🤖</div>
        <div class="stat-value">${stats.agent_count || 0}</div>
        <div class="stat-label">智能体数量</div>
      </div>
      <div class="stat-card">
        <div class="stat-icon">🧠</div>
        <div class="stat-value">${stats.llm_count || 0}</div>
        <div class="stat-label">LLM 配置数量</div>
      </div>
      <div class="stat-card">
        <div class="stat-icon">👥</div>
        <div class="stat-value">${stats.total_users || 0}</div>
        <div class="stat-label">注册用户数</div>
      </div>
      <div class="stat-card">
        <div class="stat-icon">📅</div>
        <div class="stat-value">${new Date().toLocaleDateString()}</div>
        <div class="stat-label">统计日期</div>
      </div>
    </div>
    
    <div class="data-table" style="margin-top: 24px;">
      <h3 style="padding: 16px; background: var(--bg-color);">热门智能体使用排行</h3>
      <table>
        <thead>
          <tr>
            <th>智能体</th>
            <th>使用次数</th>
          </tr>
        </thead>
        <tbody>
          ${stats.agent_usage?.map(a => `
            <tr>
              <td>${a.log_key}</td>
              <td>${a.count}</td>
            </tr>
          `).join('') || '<tr><td colspan="2">暂无数据</td></tr>'}
        </tbody>
      </table>
    </div>
  `;
}

// ==================== 用户管理页面 ====================

let users = [];

async function loadUsersPage(content) {
  users = await fetchAPI('/api/admin/users');
  
  content.innerHTML = `
    <div class="content-header">
      <h1 class="content-title">用户管理</h1>
      <div style="display: flex; gap: 12px;">
        <input type="text" class="form-input" id="userSearch" placeholder="搜索用户名/手机/邮箱" style="width: 200px;" onkeyup="searchUsers(event)">
        <button class="add-btn" onclick="searchUsersBtn()">搜索</button>
      </div>
    </div>
    
    <div class="stats-grid" style="grid-template-columns: repeat(4, 1fr);">
      <div class="stat-card">
        <div class="stat-icon">👥</div>
        <div class="stat-value">${users.length}</div>
        <div class="stat-label">总用户数</div>
      </div>
      <div class="stat-card">
        <div class="stat-icon">🆕</div>
        <div class="stat-value">${users.filter(u => {
          const today = new Date().toISOString().slice(0, 10);
          return u.created_at && u.created_at.startsWith(today);
        }).length}</div>
        <div class="stat-label">今日新增</div>
      </div>
      <div class="stat-card">
        <div class="stat-icon">📧</div>
        <div class="stat-value">${users.filter(u => u.email).length}</div>
        <div class="stat-label">已绑定邮箱</div>
      </div>
      <div class="stat-card">
        <div class="stat-icon">📱</div>
        <div class="stat-value">${users.length}</div>
        <div class="stat-label">已绑定手机</div>
      </div>
    </div>
    
    <div class="data-table">
      <table>
        <thead>
          <tr>
            <th>ID</th>
            <th>头像</th>
            <th>用户名</th>
            <th>手机号</th>
            <th>邮箱</th>
            <th>注册时间</th>
            <th>最后登录</th>
            <th>操作</th>
          </tr>
        </thead>
        <tbody>
          ${users.length === 0 ? '<tr><td colspan="8" style="text-align: center; color: #999;">暂无用户</td></tr>' : 
            users.map(u => `
              <tr>
                <td>${u.id}</td>
                <td style="font-size: 24px;">${u.avatar || '👤'}</td>
                <td>${u.username}</td>
                <td>${u.phone}</td>
                <td>${u.email || '-'}</td>
                <td>${formatDate(u.created_at)}</td>
                <td>${u.last_login_at ? formatDate(u.last_login_at) : '从未登录'}</td>
                <td>
                  <div class="action-btns">
                    <button class="action-btn edit" onclick="showEditUserModal(${u.id})">编辑</button>
                    <button class="action-btn" style="background: #f59e0b; color: white;" onclick="showResetPasswordModal(${u.id})">重置密码</button>
                    <button class="action-btn delete" onclick="deleteUser(${u.id})">删除</button>
                  </div>
                </td>
              </tr>
            `).join('')
          }
        </tbody>
      </table>
    </div>
  `;
}

function formatDate(dateStr) {
  if (!dateStr) return '-';
  const d = new Date(dateStr);
  return d.toLocaleDateString() + ' ' + d.toLocaleTimeString().slice(0, 5);
}

async function searchUsers(event) {
  if (event && event.key !== 'Enter') return;
  const search = document.getElementById('userSearch').value.trim();
  users = await fetchAPI(`/api/admin/users?search=${encodeURIComponent(search)}`);
  loadUsersPage(document.getElementById('mainContent'));
}

async function searchUsersBtn() {
  const search = document.getElementById('userSearch').value.trim();
  users = await fetchAPI(`/api/admin/users?search=${encodeURIComponent(search)}`);
  loadUsersPage(document.getElementById('mainContent'));
}

function showEditUserModal(id) {
  const user = users.find(u => u.id === id);
  if (!user) return;
  
  const avatars = ['👤', '😊', '😎', '🤓', '🦸', '🧙', '🥷', '👨', '👩', '🧑', '👴', '👵', '👦', '👧', '🤖', '👽', '🧛', '🧜', '🧚', '🦊'];
  
  showModal('编辑用户', `
    <div class="form-group">
      <label class="form-label">用户名</label>
      <input type="text" class="form-input" id="editUserName" value="${user.username}">
    </div>
    <div class="form-group">
      <label class="form-label">手机号（不可修改）</label>
      <input type="text" class="form-input" id="editUserPhone" value="${user.phone}" readonly style="background: #f5f7fa;">
    </div>
    <div class="form-group">
      <label class="form-label">邮箱</label>
      <input type="email" class="form-input" id="editUserEmail" value="${user.email || ''}">
    </div>
    <div class="form-group">
      <label class="form-label">头像</label>
      <select class="form-select" id="editUserAvatar">
        ${avatars.map(a => `<option value="${a}" ${a === (user.avatar || '👤') ? 'selected' : ''}>${a}</option>`).join('')}
      </select>
    </div>
    <div class="form-group">
      <label class="form-label">个性签名</label>
      <input type="text" class="form-input" id="editUserSignature" value="${user.signature || ''}" maxlength="50">
    </div>
    <div class="form-group">
      <label class="form-label">性别</label>
      <select class="form-select" id="editUserGender">
        <option value="" ${!user.gender ? 'selected' : ''}>未设置</option>
        <option value="male" ${user.gender === 'male' ? 'selected' : ''}>男</option>
        <option value="female" ${user.gender === 'female' ? 'selected' : ''}>女</option>
        <option value="other" ${user.gender === 'other' ? 'selected' : ''}>其他</option>
      </select>
    </div>
    <div class="form-group">
      <label class="form-label">年龄</label>
      <input type="number" class="form-input" id="editUserAge" value="${user.age || ''}" min="1" max="150">
    </div>
    <div class="form-group">
      <label class="form-label">地区</label>
      <input type="text" class="form-input" id="editUserRegion" value="${user.region || ''}">
    </div>
    <button class="form-submit" onclick="updateUser(${id})">保存</button>
  `);
}

async function updateUser(id) {
  const data = {
    username: document.getElementById('editUserName').value,
    email: document.getElementById('editUserEmail').value,
    avatar: document.getElementById('editUserAvatar').value,
    signature: document.getElementById('editUserSignature').value,
    gender: document.getElementById('editUserGender').value,
    age: document.getElementById('editUserAge').value ? parseInt(document.getElementById('editUserAge').value) : null,
    region: document.getElementById('editUserRegion').value
  };
  
  if (!data.username) {
    showToast('用户名不能为空');
    return;
  }
  
  await fetchAPI(`/api/admin/users/${id}`, 'PUT', data);
  closeModal();
  showToast('更新成功');
  loadPage('users');
}

function showResetPasswordModal(id) {
  const user = users.find(u => u.id === id);
  if (!user) return;
  
  showModal('重置密码', `
    <div style="padding: 16px; background: #f5f7fa; border-radius: 8px; margin-bottom: 16px;">
      <p><strong>用户:</strong> ${user.username}</p>
      <p><strong>手机:</strong> ${user.phone}</p>
    </div>
    <div class="form-group">
      <label class="form-label">新密码</label>
      <input type="text" class="form-input" id="resetPassword" placeholder="输入新密码（至少6位）">
    </div>
    <p style="color: #999; font-size: 12px;">⚠️ 重置后用户需使用新密码登录</p>
    <button class="form-submit" onclick="resetPassword(${id})">确认重置</button>
  `);
}

async function resetPassword(id) {
  const password = document.getElementById('resetPassword').value;
  
  if (!password || password.length < 6) {
    showToast('密码长度至少6位');
    return;
  }
  
  await fetchAPI(`/api/admin/users/${id}/password`, 'PUT', { password });
  closeModal();
  showToast('密码已重置');
}

async function deleteUser(id) {
  const user = users.find(u => u.id === id);
  if (!user) return;
  
  if (!confirm(`确定删除用户 "${user.username}"？\n此操作不可恢复！`)) return;
  
  await fetchAPI(`/api/admin/users/${id}`, 'DELETE');
  showToast('删除成功');
  loadPage('users');
}

// ==================== 大模型配置页面 ====================

async function loadLLMPage(content) {
  llmConfigs = await fetchAPI('/api/admin/llm');
  
  content.innerHTML = `
    <div class="content-header">
      <h1 class="content-title">大模型配置</h1>
      <button class="add-btn" onclick="showAddLLMModal()">+ 添加配置</button>
    </div>
    
    <div class="data-table">
      <table>
        <thead>
          <tr>
            <th>名称</th>
            <th>提供商</th>
            <th>模型</th>
            <th>思考模式</th>
            <th>视觉能力</th>
            <th>API URL</th>
            <th>操作</th>
          </tr>
        </thead>
        <tbody>
          ${llmConfigs.map(c => `
            <tr>
              <td>${c.name} ${c.is_default ? '<span class="default-badge">默认</span>' : ''}</td>
              <td>${c.provider}</td>
              <td>${c.model}</td>
              <td>${c.enable_thinking ? '✅ 支持' : '❌ 不支持'}</td>
              <td>${c.enable_vision ? '✅ 支持' : '❌ 不支持'}</td>
              <td style="max-width: 200px; overflow: hidden; text-overflow: ellipsis;">${c.api_url}</td>
              <td>
                <div class="action-btns">
                  <button class="action-btn edit" onclick="showEditLLMModal(${c.id})">编辑</button>
                  ${!c.is_default ? `<button class="action-btn default" onclick="setDefaultLLM(${c.id})">设为默认</button>` : ''}
                  <button class="action-btn delete" onclick="deleteLLM(${c.id})">删除</button>
                </div>
              </td>
            </tr>
          `).join('')}
        </tbody>
      </table>
    </div>
  `;
}

function showAddLLMModal() {
  showModal('添加大模型配置', `
    <div class="form-group">
      <label class="form-label">名称</label>
      <input type="text" class="form-input" id="llmName" placeholder="如：智谱GLM">
    </div>
    <div class="form-group">
      <label class="form-label">提供商</label>
      <select class="form-select" id="llmProvider">
        <option value="zhipu">智谱</option>
        <option value="openai">OpenAI</option>
        <option value="anthropic">Anthropic</option>
        <option value="custom">自定义</option>
      </select>
    </div>
    <div class="form-group">
      <label class="form-label">API URL</label>
      <input type="text" class="form-input" id="llmApiUrl" placeholder="API endpoint URL">
    </div>
    <div class="form-group">
      <label class="form-label">API Key</label>
      <input type="text" class="form-input" id="llmApiKey" placeholder="API Key">
    </div>
    <div class="form-group">
      <label class="form-label">模型</label>
      <input type="text" class="form-input" id="llmModel" placeholder="如：glm-4.5-air">
    </div>
    <div class="form-group">
      <label class="form-label">Max Tokens</label>
      <input type="number" class="form-input" id="llmMaxTokens" value="2048">
    </div>
    <div class="form-group">
      <label class="form-label">Temperature</label>
      <input type="number" class="form-input" id="llmTemperature" value="0.7" step="0.1">
    </div>
    <div class="form-group">
      <label style="display: flex; align-items: center; gap: 8px;">
        <input type="checkbox" id="llmEnableThinking"> 支持思考模式（深度思考）
      </label>
      <span style="color: #999; font-size: 12px;">模型是否支持原生思考功能（如DeepSeek的think标签）</span>
    </div>
    <div class="form-group">
      <label style="display: flex; align-items: center; gap: 8px;">
        <input type="checkbox" id="llmEnableVision"> 支持视觉能力（图片分析）
      </label>
      <span style="color: #999; font-size: 12px;">模型是否支持图片输入和分析</span>
    </div>
    <button class="form-submit" onclick="saveLLM()">保存</button>
  `);
}

function showEditLLMModal(id) {
  const config = llmConfigs.find(c => c.id === id);
  if (!config) return;
  
  showModal('编辑大模型配置', `
    <div class="form-group">
      <label class="form-label">名称</label>
      <input type="text" class="form-input" id="llmName" value="${config.name}">
    </div>
    <div class="form-group">
      <label class="form-label">提供商</label>
      <select class="form-select" id="llmProvider">
        <option value="zhipu" ${config.provider === 'zhipu' ? 'selected' : ''}>智谱</option>
        <option value="openai" ${config.provider === 'openai' ? 'selected' : ''}>OpenAI</option>
        <option value="anthropic" ${config.provider === 'anthropic' ? 'selected' : ''}>Anthropic</option>
        <option value="custom" ${config.provider === 'custom' ? 'selected' : ''}>自定义</option>
      </select>
    </div>
    <div class="form-group">
      <label class="form-label">API URL</label>
      <input type="text" class="form-input" id="llmApiUrl" value="${config.api_url}">
    </div>
    <div class="form-group">
      <label class="form-label">API Key</label>
      <input type="text" class="form-input" id="llmApiKey" value="${config.api_key}">
    </div>
    <div class="form-group">
      <label class="form-label">模型</label>
      <input type="text" class="form-input" id="llmModel" value="${config.model}">
    </div>
    <div class="form-group">
      <label class="form-label">Max Tokens</label>
      <input type="number" class="form-input" id="llmMaxTokens" value="${config.max_tokens}">
    </div>
    <div class="form-group">
      <label class="form-label">Temperature</label>
      <input type="number" class="form-input" id="llmTemperature" value="${config.temperature}" step="0.1">
    </div>
    <div class="form-group">
      <label style="display: flex; align-items: center; gap: 8px;">
        <input type="checkbox" id="llmEnableThinking" ${config.enable_thinking ? 'checked' : ''}> 支持思考模式（深度思考）
      </label>
      <span style="color: #999; font-size: 12px;">模型是否支持原生思考功能（如DeepSeek的think标签）</span>
    </div>
    <div class="form-group">
      <label style="display: flex; align-items: center; gap: 8px;">
        <input type="checkbox" id="llmEnableVision" ${config.enable_vision ? 'checked' : ''}> 支持视觉能力（图片分析）
      </label>
      <span style="color: #999; font-size: 12px;">模型是否支持图片输入和分析</span>
    </div>
    <button class="form-submit" onclick="updateLLM(${id})">保存</button>
  `);
}

async function saveLLM() {
  const data = {
    name: document.getElementById('llmName').value,
    provider: document.getElementById('llmProvider').value,
    api_url: document.getElementById('llmApiUrl').value,
    api_key: document.getElementById('llmApiKey').value,
    model: document.getElementById('llmModel').value,
    max_tokens: parseInt(document.getElementById('llmMaxTokens').value),
    temperature: parseFloat(document.getElementById('llmTemperature').value),
    enable_thinking: document.getElementById('llmEnableThinking').checked ? 1 : 0,
    enable_vision: document.getElementById('llmEnableVision').checked ? 1 : 0
  };
  
  if (!data.name || !data.api_url || !data.api_key || !data.model) {
    showToast('请填写完整信息');
    return;
  }
  
  await fetchAPI('/api/admin/llm', 'POST', data);
  closeModal();
  showToast('添加成功');
  loadPage('llm');
}

async function updateLLM(id) {
  const data = {
    name: document.getElementById('llmName').value,
    provider: document.getElementById('llmProvider').value,
    api_url: document.getElementById('llmApiUrl').value,
    api_key: document.getElementById('llmApiKey').value,
    model: document.getElementById('llmModel').value,
    max_tokens: parseInt(document.getElementById('llmMaxTokens').value),
    temperature: parseFloat(document.getElementById('llmTemperature').value),
    enable_thinking: document.getElementById('llmEnableThinking').checked ? 1 : 0,
    enable_vision: document.getElementById('llmEnableVision').checked ? 1 : 0
  };
  
  await fetchAPI(`/api/admin/llm/${id}`, 'PUT', data);
  closeModal();
  showToast('更新成功');
  loadPage('llm');
}

async function setDefaultLLM(id) {
  await fetchAPI(`/api/admin/llm/${id}/default`, 'POST');
  showToast('已设为默认');
  loadPage('llm');
}

async function deleteLLM(id) {
  if (!confirm('确定删除此配置？')) return;
  await fetchAPI(`/api/admin/llm/${id}`, 'DELETE');
  showToast('删除成功');
  loadPage('llm');
}

// ==================== 智能体管理页面 ====================

async function loadAgentsPage(content) {
  agents = await fetchAPI('/api/admin/agents');
  llmConfigs = await fetchAPI('/api/admin/llm');
  toolConfigs = await fetchAPI('/api/admin/tools');
  
  const categories = {
    basic: '基础',
    work: '工作',
    study: '学习',
    life: '生活'
  };
  
  const tagLabels = {
    'hot': '🔥 热门',
    'popular': '👍 推荐',
    'new': '🆕 新品',
    '': ''
  };
  
  content.innerHTML = `
    <div class="content-header">
      <h1 class="content-title">智能体管理</h1>
      <button class="add-btn" onclick="showAddAgentModal()">+ 添加智能体</button>
    </div>
    
    <div class="data-table">
      <table>
        <thead>
          <tr>
            <th>头像</th>
            <th>名称</th>
            <th>类别</th>
            <th>标签</th>
            <th>热度</th>
            <th>上线状态</th>
            <th>操作</th>
          </tr>
        </thead>
        <tbody>
          ${agents.map(a => `
            <tr>
              <td style="font-size: 24px;">${a.avatar}</td>
              <td>${a.name}</td>
              <td>${categories[a.category] || a.category}</td>
              <td>${a.tags ? a.tags.split(',').map(t => tagLabels[t] || t).filter(t => t).join(' ') : '-'}</td>
              <td>${a.heat || 0}</td>
              <td>
                <span style="cursor: pointer; color: ${a.is_online ? '#22c55e' : '#e53e3e'};" onclick="toggleAgentOnline('${a.agent_id}', ${a.is_online})">
                  ${a.is_online ? '✅ 已上线' : '❌ 未上线'}
                </span>
              </td>
              <td>
                <div class="action-btns">
                  <button class="action-btn edit" onclick="showEditAgentModal('${a.agent_id}')">编辑</button>
                  <button class="action-btn delete" onclick="deleteAgent('${a.agent_id}')">删除</button>
                </div>
              </td>
            </tr>
          `).join('')}
        </tbody>
      </table>
    </div>
    
    <div style="margin-top: 24px; padding: 16px; background: white; border-radius: 12px;">
      <h3 style="margin-bottom: 16px;">说明</h3>
      <div style="display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;">
        <div style="padding: 12px; background: #f5f7fa; border-radius: 8px;">
          <strong>上线状态</strong>
          <p style="color: #718096; font-size: 12px; margin-top: 4px;">点击可快速切换，未上线则APP不可见</p>
        </div>
        <div style="padding: 12px; background: #f5f7fa; border-radius: 8px;">
          <strong>标签</strong>
          <p style="color: #718096; font-size: 12px; margin-top: 4px;">hot=热门, popular=推荐, new=新品</p>
        </div>
        <div style="padding: 12px; background: #f5f7fa; border-radius: 8px;">
          <strong>类别</strong>
          <p style="color: #718096; font-size: 12px; margin-top: 4px;">basic/work/study/life</p>
        </div>
      </div>
    </div>
  `;
}

async function toggleAgentOnline(agentId, currentStatus) {
  const newStatus = currentStatus ? 0 : 1;
  await fetchAPI(`/api/admin/agents/${agentId}/online`, 'POST', { is_online: newStatus });
  showToast(newStatus ? '已上线' : '已下线');
  loadPage('agents');
}

function showAddAgentModal() {
  showModal('添加智能体', `
    <div class="form-group">
      <label class="form-label">ID</label>
      <input type="text" class="form-input" id="agentId" placeholder="如：assistant">
    </div>
    <div class="form-group">
      <label class="form-label">名称</label>
      <input type="text" class="form-input" id="agentName" placeholder="如：通用助手">
    </div>
    <div class="form-group">
      <label class="form-label">头像</label>
      <select class="form-select" id="agentAvatar">
        ${['🤖', '✍️', '👨‍💻', '🌐', '💼', '📊', '📈', '📚', '🔤', '🔢', '🏥', '✈️', '🍳', '🧑', '😊', '😎', '🤓', '🦸', '🧙', '🥷'].map(a => 
          `<option value="${a}">${a}</option>`
        ).join('')}
      </select>
    </div>
    <div class="form-group">
      <label class="form-label">类别</label>
      <select class="form-select" id="agentCategory">
        <option value="basic">基础</option>
        <option value="work">工作</option>
        <option value="study">学习</option>
        <option value="life">生活</option>
      </select>
    </div>
    <div class="form-group">
      <label class="form-label">标签（逗号分隔）</label>
      <input type="text" class="form-input" id="agentTags" placeholder="如：hot,popular">
      <span style="color: #999; font-size: 12px;">可选: hot(热门), popular(推荐), new(新品)</span>
    </div>
    <div class="form-group">
      <label class="form-label">描述</label>
      <input type="text" class="form-input" id="agentDescription" placeholder="智能体描述">
    </div>
    <div class="form-group">
      <label class="form-label">System Prompt</label>
      <textarea class="form-textarea" id="agentPrompt" placeholder="系统提示词"></textarea>
    </div>
    <div class="form-group">
      <label class="form-label">LLM配置（可选）</label>
      <select class="form-select" id="agentLLM">
        <option value="">使用默认</option>
        ${llmConfigs.map(c => `<option value="${c.id}">${c.name}</option>`).join('')}
      </select>
    </div>
    <div class="form-group">
      <label class="form-label">可使用工具（逗号分隔）</label>
      <input type="text" class="form-input" id="agentEnableTools" placeholder="如：search,calculator">
      <span style="color: #999; font-size: 12px;">已配置工具: ${toolConfigs.map(t => t.tool_id).join(', ')}</span>
    </div>
    <div class="form-group">
      <label class="form-label">热度</label>
      <input type="number" class="form-input" id="agentHeat" value="0">
    </div>
    <div class="form-group">
      <label style="display: flex; align-items: center; gap: 8px;">
        <input type="checkbox" id="agentIsOnline" checked> 立即上线
      </label>
    </div>
    <button class="form-submit" onclick="saveAgent()">保存</button>
  `);
}

function showEditAgentModal(agentId) {
  const agent = agents.find(a => a.agent_id === agentId);
  if (!agent) return;
  
  showModal('编辑智能体', `
    <div class="form-group">
      <label class="form-label">ID（不可修改）</label>
      <input type="text" class="form-input" id="agentId" value="${agent.agent_id}" readonly style="background: #f5f7fa;">
    </div>
    <div class="form-group">
      <label class="form-label">名称</label>
      <input type="text" class="form-input" id="agentName" value="${agent.name}">
    </div>
    <div class="form-group">
      <label class="form-label">头像</label>
      <select class="form-select" id="agentAvatar">
        ${['🤖', '✍️', '👨‍💻', '🌐', '💼', '📊', '📈', '📚', '🔤', '🔢', '🏥', '✈️', '🍳', '🧑', '😊', '😎', '🤓', '🦸', '🧙', '🥷'].map(a => 
          `<option value="${a}" ${a === agent.avatar ? 'selected' : ''}>${a}</option>`
        ).join('')}
      </select>
    </div>
    <div class="form-group">
      <label class="form-label">类别</label>
      <select class="form-select" id="agentCategory">
        <option value="basic" ${agent.category === 'basic' ? 'selected' : ''}>基础</option>
        <option value="work" ${agent.category === 'work' ? 'selected' : ''}>工作</option>
        <option value="study" ${agent.category === 'study' ? 'selected' : ''}>学习</option>
        <option value="life" ${agent.category === 'life' ? 'selected' : ''}>生活</option>
      </select>
    </div>
    <div class="form-group">
      <label class="form-label">标签（逗号分隔）</label>
      <input type="text" class="form-input" id="agentTags" value="${agent.tags || ''}">
      <span style="color: #999; font-size: 12px;">可选: hot(热门), popular(推荐), new(新品)</span>
    </div>
    <div class="form-group">
      <label class="form-label">描述</label>
      <input type="text" class="form-input" id="agentDescription" value="${agent.description || ''}">
    </div>
    <div class="form-group">
      <label class="form-label">System Prompt</label>
      <textarea class="form-textarea" id="agentPrompt">${agent.system_prompt || ''}</textarea>
    </div>
    <div class="form-group">
      <label class="form-label">LLM配置（可选）</label>
      <select class="form-select" id="agentLLM">
        <option value="" ${!agent.llm_config_id ? 'selected' : ''}>使用默认</option>
        ${llmConfigs.map(c => `<option value="${c.id}" ${c.id === agent.llm_config_id ? 'selected' : ''}>${c.name}</option>`).join('')}
      </select>
    </div>
    <div class="form-group">
      <label class="form-label">可使用工具（逗号分隔）</label>
      <input type="text" class="form-input" id="agentEnableTools" value="${agent.enable_tools || ''}">
      <span style="color: #999; font-size: 12px;">已配置工具: ${toolConfigs.map(t => t.tool_id).join(', ')}</span>
    </div>
    <div class="form-group">
      <label class="form-label">热度</label>
      <input type="number" class="form-input" id="agentHeat" value="${agent.heat || 0}">
    </div>
    <div class="form-group">
      <label style="display: flex; align-items: center; gap: 8px;">
        <input type="checkbox" id="agentIsOnline" ${agent.is_online ? 'checked' : ''}> 已上线
      </label>
    </div>
    <button class="form-submit" onclick="updateAgent('${agentId}')">保存</button>
  `);
}

async function saveAgent() {
  const data = {
    agent_id: document.getElementById('agentId').value,
    name: document.getElementById('agentName').value,
    avatar: document.getElementById('agentAvatar').value,
    category: document.getElementById('agentCategory').value,
    tags: document.getElementById('agentTags').value,
    description: document.getElementById('agentDescription').value,
    system_prompt: document.getElementById('agentPrompt').value,
    llm_config_id: document.getElementById('agentLLM').value || null,
    enable_tools: document.getElementById('agentEnableTools').value,
    heat: parseInt(document.getElementById('agentHeat').value),
    is_online: document.getElementById('agentIsOnline').checked ? 1 : 0
  };
  
  if (!data.agent_id || !data.name || !data.system_prompt) {
    showToast('请填写完整信息');
    return;
  }
  
  await fetchAPI('/api/admin/agents', 'POST', data);
  closeModal();
  showToast('添加成功');
  loadPage('agents');
}

async function updateAgent(agentId) {
  const data = {
    name: document.getElementById('agentName').value,
    avatar: document.getElementById('agentAvatar').value,
    category: document.getElementById('agentCategory').value,
    tags: document.getElementById('agentTags').value,
    description: document.getElementById('agentDescription').value,
    system_prompt: document.getElementById('agentPrompt').value,
    llm_config_id: document.getElementById('agentLLM').value || null,
    enable_tools: document.getElementById('agentEnableTools').value,
    heat: parseInt(document.getElementById('agentHeat').value),
    is_online: document.getElementById('agentIsOnline').checked ? 1 : 0
  };
  
  await fetchAPI(`/api/admin/agents/${agentId}`, 'PUT', data);
  closeModal();
  showToast('更新成功');
  loadPage('agents');
}

async function deleteAgent(agentId) {
  if (!confirm('确定删除此智能体？')) return;
  await fetchAPI(`/api/admin/agents/${agentId}`, 'DELETE');
  showToast('删除成功');
  loadPage('agents');
}

// ==================== 对话配置页面 ====================

async function loadChatConfigPage(content) {
  llmConfigs = await fetchAPI('/api/admin/llm');
  toolConfigs = await fetchAPI('/api/admin/tools');
  const chatConfig = await fetchAPI('/api/admin/chat');
  
  content.innerHTML = `
    <div class="content-header">
      <h1 class="content-title">对话配置</h1>
    </div>
    
    <div style="background: white; padding: 24px; border-radius: 12px;">
      <p style="color: #718096; margin-bottom: 24px;">
        此配置对所有用户的普通对话生效，修改后立即生效。
      </p>
      
      <div class="form-group">
        <label class="form-label">LLM 配置（对话使用的大模型）</label>
        <select class="form-select" id="chatLLMConfig">
          ${llmConfigs.map(l => `<option value="${l.id}" ${l.id === chatConfig.llm_config_id ? 'selected' : ''}>${l.name}</option>`).join('')}
        </select>
      </div>
      
      <div class="form-group">
        <label style="display: flex; align-items: center; gap: 8px;">
          <input type="checkbox" id="chatEnableSearch" ${chatConfig.enable_search ? 'checked' : ''} onchange="toggleEnableSearch()">
          启用联网搜索
        </label>
        <span style="color: #999; font-size: 12px; margin-top: 4px;">开启后对话可联网搜索实时信息</span>
      </div>
      
      <div class="form-group">
        <label class="form-label">可用工具（逗号分隔）</label>
        <input type="text" class="form-input" id="chatEnableTools" value="${chatConfig.enable_tools || ''}" placeholder="如：search,calculator">
        <span style="color: #999; font-size: 12px;">已配置工具: ${toolConfigs.map(t => t.tool_id).join(', ')}</span>
      </div>
      
      <div class="form-group">
        <label class="form-label">历史记录数（对话上下文）</label>
        <input type="number" class="form-input" id="chatMaxHistory" value="${chatConfig.max_history || 20}">
        <span style="color: #999; font-size: 12px;">发送给模型的对话历史条数</span>
      </div>
      
      <div class="form-group">
        <label class="form-label">Temperature（创造性）</label>
        <input type="number" class="form-input" id="chatTemperature" value="${chatConfig.temperature || 0.7}" step="0.1" min="0" max="2">
        <span style="color: #999; font-size: 12px;">0-2之间，越高越随机创造性，越低越稳定精确</span>
      </div>
      
      <div class="form-group">
        <label class="form-label">系统提示词（可选）</label>
        <textarea class="form-textarea" id="chatSystemPrompt" placeholder="全局系统提示词，对所有对话生效">${chatConfig.system_prompt || ''}</textarea>
      </div>
      
      <button class="form-submit" onclick="saveChatConfig()">保存配置</button>
    </div>
    
    <div style="margin-top: 24px; padding: 16px; background: white; border-radius: 12px;">
      <h3 style="margin-bottom: 16px;">参数说明</h3>
      <div style="display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;">
        <div style="padding: 12px; background: #f5f7fa; border-radius: 8px;">
          <strong>🧠 LLM配置</strong>
          <p style="color: #718096; font-size: 12px; margin-top: 4px;">选择对话使用的大模型接口</p>
        </div>
        <div style="padding: 12px; background: #f5f7fa; border-radius: 8px;">
          <strong>🔍 启用联网搜索</strong>
          <p style="color: #718096; font-size: 12px; margin-top: 4px;">用户可在对话中开启联网搜索</p>
        </div>
        <div style="padding: 12px; background: #f5f7fa; border-radius: 8px;">
          <strong>🔧 可用工具</strong>
          <p style="color: #718096; font-size: 12px; margin-top: 4px;">对话中可使用的工具列表</p>
        </div>
        <div style="padding: 12px; background: #f5f7fa; border-radius: 8px;">
          <strong>📜 历史记录数</strong>
          <p style="color: #718096; font-size: 12px; margin-top: 4px;">发送多少条历史对话给模型</p>
        </div>
      </div>
    </div>
  `;
}

function toggleEnableSearch() {
  const enableSearch = document.getElementById('chatEnableSearch').checked;
  const toolsInput = document.getElementById('chatEnableTools');
  
  // 自动添加/移除 search 工具
  let tools = toolsInput.value.split(',').filter(t => t.trim());
  if (enableSearch) {
    if (!tools.includes('search')) {
      tools.push('search');
    }
  } else {
    tools = tools.filter(t => t !== 'search');
  }
  toolsInput.value = tools.join(',');
}

async function saveChatConfig() {
  const data = {
    llm_config_id: parseInt(document.getElementById('chatLLMConfig').value),
    enable_search: document.getElementById('chatEnableSearch').checked ? 1 : 0,
    enable_tools: document.getElementById('chatEnableTools').value,
    max_history: parseInt(document.getElementById('chatMaxHistory').value),
    temperature: parseFloat(document.getElementById('chatTemperature').value),
    system_prompt: document.getElementById('chatSystemPrompt').value
  };
  
  await fetchAPI('/api/admin/chat', 'PUT', data);
  showToast('保存成功');
  loadPage('chat');
}

// ==================== 工具配置页面 ====================

async function loadToolsPage(content) {
  toolConfigs = await fetchAPI('/api/admin/tools');
  
  const toolTypes = {
    search: '搜索工具',
    calculator: '计算器',
    image: '图像生成',
    code: '代码执行',
    weather: '天气查询',
    custom: '自定义'
  };
  
  content.innerHTML = `
    <div class="content-header">
      <h1 class="content-title">工具配置</h1>
      <button class="add-btn" onclick="showAddToolModal()">+ 添加工具</button>
    </div>
    
    <div class="data-table">
      <table>
        <thead>
          <tr>
            <th>工具ID</th>
            <th>名称</th>
            <th>类型</th>
            <th>提供商</th>
            <th>API URL</th>
            <th>状态</th>
            <th>操作</th>
          </tr>
        </thead>
        <tbody>
          ${toolConfigs.map(t => `
            <tr>
              <td>${t.tool_id} ${t.is_default ? '<span class="default-badge">默认</span>' : ''}</td>
              <td>${t.name}</td>
              <td>${toolTypes[t.type] || t.type}</td>
              <td>${t.provider}</td>
              <td style="max-width: 200px; overflow: hidden; text-overflow: ellipsis;">${t.api_url}</td>
              <td>${t.is_active ? '✅ 启用' : '❌ 禁用'}</td>
              <td>
                <div class="action-btns">
                  <button class="action-btn edit" onclick="showEditToolModal('${t.tool_id}')">编辑</button>
                  ${!t.is_default ? `<button class="action-btn default" onclick="setDefaultTool('${t.tool_id}')">设为默认</button>` : ''}
                  <button class="action-btn delete" onclick="deleteTool('${t.tool_id}')">删除</button>
                </div>
              </td>
            </tr>
          `).join('')}
        </tbody>
      </table>
    </div>
    
    <div style="margin-top: 24px; padding: 16px; background: white; border-radius: 12px;">
      <h3 style="margin-bottom: 16px;">工具类型说明</h3>
      <div style="display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;">
        <div style="padding: 12px; background: #f5f7fa; border-radius: 8px;">
          <strong>🔍 search</strong>
          <p style="color: #718096; font-size: 12px; margin-top: 4px;">联网搜索工具（Tavily、Google等）</p>
        </div>
        <div style="padding: 12px; background: #f5f7fa; border-radius: 8px;">
          <strong>🧮 calculator</strong>
          <p style="color: #718096; font-size: 12px; margin-top: 4px;">数学计算工具</p>
        </div>
        <div style="padding: 12px; background: #f5f7fa; border-radius: 8px;">
          <strong>🎨 image</strong>
          <p style="color: #718096; font-size: 12px; margin-top: 4px;">图像生成工具（DALL-E等）</p>
        </div>
        <div style="padding: 12px; background: #f5f7fa; border-radius: 8px;">
          <strong>💻 code</strong>
          <p style="color: #718096; font-size: 12px; margin-top: 4px;">代码执行工具</p>
        </div>
      </div>
    </div>
  `;
}

function showAddToolModal() {
  showModal('添加工具', `
    <div class="form-group">
      <label class="form-label">工具ID</label>
      <input type="text" class="form-input" id="toolId" placeholder="如：search">
    </div>
    <div class="form-group">
      <label class="form-label">名称</label>
      <input type="text" class="form-input" id="toolName" placeholder="如：联网搜索">
    </div>
    <div class="form-group">
      <label class="form-label">类型</label>
      <select class="form-select" id="toolType">
        <option value="search">搜索工具</option>
        <option value="calculator">计算器</option>
        <option value="image">图像生成</option>
        <option value="code">代码执行</option>
        <option value="weather">天气查询</option>
        <option value="custom">自定义</option>
      </select>
    </div>
    <div class="form-group">
      <label class="form-label">提供商</label>
      <input type="text" class="form-input" id="toolProvider" placeholder="如：tavily">
    </div>
    <div class="form-group">
      <label class="form-label">API URL</label>
      <input type="text" class="form-input" id="toolApiUrl" placeholder="API endpoint URL">
    </div>
    <div class="form-group">
      <label class="form-label">API Key</label>
      <input type="text" class="form-input" id="toolApiKey" placeholder="API Key（可选）">
    </div>
    <div class="form-group">
      <label class="form-label">最大结果数</label>
      <input type="number" class="form-input" id="toolMaxResults" value="10">
    </div>
    <div class="form-group">
      <label class="form-label">额外配置（JSON格式）</label>
      <textarea class="form-textarea" id="toolConfigJson" placeholder="{}"></textarea>
    </div>
    <button class="form-submit" onclick="saveTool()">保存</button>
  `);
}

function showEditToolModal(toolId) {
  const tool = toolConfigs.find(t => t.tool_id === toolId);
  if (!tool) return;
  
  const toolTypes = ['search', 'calculator', 'image', 'code', 'weather', 'custom'];
  
  showModal('编辑工具', `
    <div class="form-group">
      <label class="form-label">工具ID（不可修改）</label>
      <input type="text" class="form-input" id="toolId" value="${tool.tool_id}" readonly style="background: #f5f7fa;">
    </div>
    <div class="form-group">
      <label class="form-label">名称</label>
      <input type="text" class="form-input" id="toolName" value="${tool.name}">
    </div>
    <div class="form-group">
      <label class="form-label">类型</label>
      <select class="form-select" id="toolType">
        ${toolTypes.map(t => `<option value="${t}" ${t === tool.type ? 'selected' : ''}>${t}</option>`).join('')}
      </select>
    </div>
    <div class="form-group">
      <label class="form-label">提供商</label>
      <input type="text" class="form-input" id="toolProvider" value="${tool.provider}">
    </div>
    <div class="form-group">
      <label class="form-label">API URL</label>
      <input type="text" class="form-input" id="toolApiUrl" value="${tool.api_url}">
    </div>
    <div class="form-group">
      <label class="form-label">API Key</label>
      <input type="text" class="form-input" id="toolApiKey" value="${tool.api_key || ''}">
    </div>
    <div class="form-group">
      <label class="form-label">最大结果数</label>
      <input type="number" class="form-input" id="toolMaxResults" value="${tool.max_results || 10}">
    </div>
    <div class="form-group">
      <label class="form-label">额外配置（JSON格式）</label>
      <textarea class="form-textarea" id="toolConfigJson">${tool.config_json || '{}'}</textarea>
    </div>
    <button class="form-submit" onclick="updateTool('${toolId}')">保存</button>
  `);
}

async function saveTool() {
  const data = {
    tool_id: document.getElementById('toolId').value,
    name: document.getElementById('toolName').value,
    type: document.getElementById('toolType').value,
    provider: document.getElementById('toolProvider').value,
    api_url: document.getElementById('toolApiUrl').value,
    api_key: document.getElementById('toolApiKey').value,
    max_results: parseInt(document.getElementById('toolMaxResults').value),
    config_json: document.getElementById('toolConfigJson').value
  };
  
  if (!data.tool_id || !data.name || !data.type) {
    showToast('请填写完整信息');
    return;
  }
  
  await fetchAPI('/api/admin/tools', 'POST', data);
  closeModal();
  showToast('添加成功');
  loadPage('tools');
}

async function updateTool(toolId) {
  const data = {
    name: document.getElementById('toolName').value,
    type: document.getElementById('toolType').value,
    provider: document.getElementById('toolProvider').value,
    api_url: document.getElementById('toolApiUrl').value,
    api_key: document.getElementById('toolApiKey').value,
    max_results: parseInt(document.getElementById('toolMaxResults').value),
    config_json: document.getElementById('toolConfigJson').value
  };
  
  await fetchAPI(`/api/admin/tools/${toolId}`, 'PUT', data);
  closeModal();
  showToast('更新成功');
  loadPage('tools');
}

async function setDefaultTool(toolId) {
  await fetchAPI(`/api/admin/tools/${toolId}/default`, 'POST');
  showToast('已设为默认');
  loadPage('tools');
}

async function deleteTool(toolId) {
  if (!confirm('确定删除此工具？')) return;
  await fetchAPI(`/api/admin/tools/${toolId}`, 'DELETE');
  showToast('删除成功');
  loadPage('tools');
}

// ==================== 系统设置页面 ====================

async function loadSystemPage(content) {
  systemConfigs = await fetchAPI('/api/admin/system');
  
  content.innerHTML = `
    <div class="content-header">
      <h1 class="content-title">系统设置</h1>
    </div>
    
    <div class="data-table" style="padding: 24px;">
      <div class="form-group">
        <label class="form-label">应用名称</label>
        <input type="text" class="form-input" id="appName" value="${systemConfigs.app_name?.value || ''}">
        <span style="color: #999; font-size: 12px;">${systemConfigs.app_name?.description || ''}</span>
      </div>
      
      <div class="form-group">
        <label class="form-label">应用版本</label>
        <input type="text" class="form-input" id="appVersion" value="${systemConfigs.app_version?.value || ''}">
      </div>
      
      <h3 style="margin: 24px 0 16px; padding-top: 16px; border-top: 1px solid #e2e8f0;">游客使用限制</h3>
      
      <div class="form-group">
        <label class="form-label">每日对话会话数</label>
        <input type="number" class="form-input" id="guestChatSessions" value="${systemConfigs.guest_chat_sessions?.value || 1}">
      </div>
      
      <div class="form-group">
        <label class="form-label">每日对话消息数</label>
        <input type="number" class="form-input" id="guestChatMessages" value="${systemConfigs.guest_chat_messages?.value || 20}">
      </div>
      
      <div class="form-group">
        <label class="form-label">每日智能体消息数</label>
        <input type="number" class="form-input" id="guestAgentMessages" value="${systemConfigs.guest_agent_messages?.value || 20}">
      </div>
      
      <h3 style="margin: 24px 0 16px; padding-top: 16px; border-top: 1px solid #e2e8f0;">管理员设置</h3>
      
      <div class="form-group">
        <label class="form-label">管理员密码</label>
        <input type="text" class="form-input" id="adminPassword" value="${systemConfigs.admin_password?.value || ''}" placeholder="修改管理员密码">
      </div>
      
      <button class="form-submit" onclick="saveSystemConfig()">保存设置</button>
    </div>
    
    <div style="margin-top: 16px; padding: 12px; background: #f5f7fa; border-radius: 8px;">
      <p style="color: #718096; font-size: 13px;">
        💡 提示：启用联网搜索等对话相关配置请前往"对话配置"页面设置
      </p>
    </div>
  `;
}

async function saveSystemConfig() {
  const data = {
    app_name: document.getElementById('appName').value,
    app_version: document.getElementById('appVersion').value,
    guest_chat_sessions: document.getElementById('guestChatSessions').value,
    guest_chat_messages: document.getElementById('guestChatMessages').value,
    guest_agent_messages: document.getElementById('guestAgentMessages').value,
    admin_password: document.getElementById('adminPassword').value
  };
  
  await fetchAPI('/api/admin/system', 'POST', data);
  showToast('保存成功');
}

// ==================== 工具函数 ====================

async function fetchAPI(url, method = 'GET', data = null) {
  const options = {
    method,
    headers: { 'Content-Type': 'application/json' }
  };
  
  if (data) {
    options.body = JSON.stringify(data);
  }
  
  const res = await fetch(`${API_BASE}${url}`, options);
  return res.json();
}

function showModal(title, content) {
  const modal = document.getElementById('modal');
  const modalContent = document.getElementById('modalContent');
  
  modalContent.innerHTML = `
    <div class="modal-header">
      <h2 class="modal-title">${title}</h2>
      <span class="modal-close" onclick="closeModal()">×</span>
    </div>
    ${content}
  `;
  
  modal.classList.add('show');
}

function closeModal() {
  document.getElementById('modal').classList.remove('show');
}

function showToast(message) {
  const toast = document.getElementById('toast');
  toast.textContent = message;
  toast.classList.add('show');
  
  setTimeout(() => {
    toast.classList.remove('show');
  }, 2000);
}

// 点击模态框背景关闭
document.getElementById('modal').addEventListener('click', (e) => {
  if (e.target.id === 'modal') {
    closeModal();
  }
});