import React, { useState } from 'react';
import { Outlet, NavLink, useNavigate } from 'react-router-dom';
import { useAuth } from '@/contexts/AuthContext';
import './AdminLayout.css';

const adminNavItems = [
  { path: '/admin', icon: 'dashboard', label: '平台驾驶舱', exact: true },
  { path: '/admin/users', icon: 'users', label: '用户管理' },
  { path: '/admin/models', icon: 'models', label: '大模型库管理' },
  { path: '/admin/settings', icon: 'settings', label: '网站基础设置' },
  { path: '/admin/payment', icon: 'payment', label: '支付渠道配置' },
  { path: '/admin/services', icon: 'services', label: '增值服务管理' },
  { path: '/admin/membership', icon: 'membership', label: '会员订阅体系' },
  { path: '/admin/ads', icon: 'ads', label: '广告位管理' },
  { path: '/admin/market', icon: 'market', label: '应用市场审核' },
  { path: '/admin/logs', icon: 'logs', label: '日志与风控' },

    { path: '/admin/agents', icon: 'agents', label: 'Agent管理' },
  { path: '/admin/skills', icon: 'skills', label: '技能管理' },
  { path: '/admin/code-exec', icon: 'code', label: '代码执行沙箱' },
  { path: '/admin/distributions', icon: 'distro', label: '发行版构建' },
  { path: '/admin/privacy', icon: 'privacy', label: '隐私与本地代理' },
    { path: '/admin/promotion', icon: 'promotion', label: '推广系统' },
    { path: '/admin/achievement', icon: 'achievement', label: '成就系统' },
    { path: '/admin/tenant', icon: 'tenant', label: '多租户管理' },
    { path: '/admin/billing', icon: 'billing', label: '计费与支付' },
    { path: '/admin/analytics', icon: 'analytics', label: '数据分析' },
    { path: '/admin/im-bots', icon: 'imbot', label: 'IM 机器人' },
];

const adminIconPaths: Record<string, JSX.Element> = {
  dashboard: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><rect x="3" y="3" width="7" height="7" rx="1"/><rect x="14" y="3" width="7" height="7" rx="1"/><rect x="3" y="14" width="7" height="7" rx="1"/><rect x="14" y="14" width="7" height="7" rx="1"/></svg>,
  users: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><path d="M17 21v-2a4 4 0 0 0-4-4H5a4 4 0 0 0-4 4v2"/><circle cx="9" cy="7" r="4"/><path d="M23 21v-2a4 4 0 0 0-3-3.87"/><path d="M16 3.13a4 4 0 0 1 0 7.75"/></svg>,
  models: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><path d="M12 2L2 7l10 5 10-5-10-5z"/><path d="M2 17l10 5 10-5"/><path d="M2 12l10 5 10-5"/></svg>,
  settings: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><circle cx="12" cy="12" r="3"/><path d="M19.4 15a1.65 1.65 0 0 0 .33 1.82l.06.06a2 2 0 0 1-2.83 2.83l-.06-.06a1.65 1.65 0 0 0-1.82-.33 1.65 1.65 0 0 0-1 1.51V21a2 2 0 0 1-4 0v-.09A1.65 1.65 0 0 0 9 19.4a1.65 1.65 0 0 0-1.82.33l-.06.06a2 2 0 0 1-2.83-2.83l.06-.06A1.65 1.65 0 0 0 4.68 15a1.65 1.65 0 0 0-1.51-1H3a2 2 0 0 1 0-4h.09A1.65 1.65 0 0 0 4.6 9a1.65 1.65 0 0 0-.33-1.82l-.06-.06a2 2 0 0 1 2.83-2.83l.06.06A1.65 1.65 0 0 0 9 4.68a1.65 1.65 0 0 0 1-1.51V3a2 2 0 0 1 4 0v.09a1.65 1.65 0 0 0 1 1.51 1.65 1.65 0 0 0 1.82-.33l.06-.06a2 2 0 0 1 2.83 2.83l-.06.06A1.65 1.65 0 0 0 19.4 9a1.65 1.65 0 0 0 1.51 1H21a2 2 0 0 1 0 4h-.09a1.65 1.65 0 0 0-1.51 1z"/></svg>,
  payment: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><rect x="2" y="5" width="20" height="14" rx="2"/><line x1="2" y1="10" x2="22" y2="10"/></svg>,
  services: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><polyline points="16 3 21 3 21 8"/><line x1="4" y1="20" x2="21" y2="3"/><polyline points="21 16 21 21 16 21"/><line x1="15" y1="15" x2="21" y2="21"/><line x1="4" y1="4" x2="9" y2="9"/></svg>,
  membership: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><path d="M20.59 13.41l-7.17 7.17a2 2 0 0 1-2.83 0L2 12V2h10l8.59 8.59a2 2 0 0 1 0 2.82z"/><line x1="7" y1="7" x2="7.01" y2="7"/></svg>,
  ads: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><rect x="2" y="3" width="20" height="14" rx="2"/><line x1="8" y1="21" x2="16" y2="21"/><line x1="12" y1="17" x2="12" y2="21"/></svg>,
  market: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><rect x="3" y="3" width="7" height="7" rx="1.2"/><rect x="14" y="3" width="7" height="7" rx="1.2"/><rect x="3" y="14" width="7" height="7" rx="1.2"/><rect x="14" y="14" width="7" height="7" rx="1.2"/></svg>,
  logs: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"/><polyline points="14 2 14 8 20 8"/><line x1="16" y1="13" x2="8" y2="13"/><line x1="16" y1="17" x2="8" y2="17"/><polyline points="10 9 9 9 8 9"/></svg>,

    skills: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><path d="M14.7 6.3a1 1 0 0 0 0 1.4l1.6 1.6a1 1 0 0 0 1.4 0l3.77-3.77a6 6 0 0 1-7.94 7.94l-6.91 6.91a2.12 2.12 0 0 1-3-3l6.91-6.91a6 6 0 0 1 7.94-7.94l-3.76 3.76z"/></svg>,
  code: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><polyline points="16 18 22 12 16 6"/><polyline points="8 6 2 12 8 18"/></svg>,
  distro: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><path d="M21 16V8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16z"/><polyline points="3.27 6.96 12 12.01 20.73 6.96"/><line x1="12" y1="22.08" x2="12" y2="12"/></svg>,
  privacy: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round">
    <rect x="3" y="11" width="18" height="11" rx="2" ry="2"/>
    <path d="M7 11V7a5 5 0 0 1 10 0v4"/>
    <circle cx="12" cy="16" r="1"/>
  </svg>,
  promotion: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round">
    <circle cx="12" cy="8" r="7"/>
    <path d="M8.5 12.5L6 21l6-2 6 2-2.5-8.5"/>
    <circle cx="12" cy="8" r="3"/>
  </svg>,
  achievement: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round">
    <path d="M12 2l3.09 6.26L22 9.27l-5 4.87L18.18 22 12 18.27 7.82 22 7 14.14l-5-4.87 6.91-1.01L12 2z"/>
  </svg>,
  tenant: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round">
    <path d="M3 21V8l9-5 9 5v13"/>
    <path d="M9 21v-6h6v6"/>
    <path d="M3 13h18"/>
  </svg>,
  billing: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round">
    <rect x="2" y="5" width="20" height="14" rx="2"/>
    <line x1="2" y1="10" x2="22" y2="10"/>
    <line x1="6" y1="15" x2="10" y2="15"/>
  </svg>,
  analytics: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round">
    <line x1="18" y1="20" x2="18" y2="10"/>
    <line x1="12" y1="20" x2="12" y2="4"/>
    <line x1="6" y1="20" x2="6" y2="14"/>
    <line x1="3" y1="20" x2="21" y2="20"/>
  </svg>,
};

const AdminLayout: React.FC = () => {
  const { user, logout } = useAuth();
  const navigate = useNavigate();
  const [collapsed, setCollapsed] = useState(false);

  if (!user || user.role !== 'admin') {
    navigate('/login');
    return null;
  }

  return (
    <div className="admin-layout">
      {/* Admin Sidebar */}
      <aside className={`admin-sidebar ${collapsed ? 'collapsed' : ''}`}>
        <div className="admin-sidebar-header">
          <div className="sidebar-logo">
            <svg width="28" height="28" viewBox="0 0 32 32" fill="none">
              <rect width="32" height="32" rx="8" fill="#1A1A2E"/>
              <path d="M8 20V12l4 4 4-4v8" stroke="#6C63FF" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round" fill="none"/>
              <path d="M6 22h20" stroke="#6C63FF" strokeWidth="1.5" strokeLinecap="round" opacity="0.5"/>
            </svg>
            {!collapsed && <span className="sidebar-brand admin-brand">Qihu-AIFlow 管理后台</span>}
          </div>
          <button className="collapse-btn" onClick={() => setCollapsed(!collapsed)}>
            <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
              <line x1="3" y1="12" x2="21" y2="12"/><line x1="3" y1="6" x2="21" y2="6"/><line x1="3" y1="18" x2="21" y2="18"/>
            </svg>
          </button>
        </div>

        <nav className="admin-nav">
          {adminNavItems.map(item => (
            <NavLink
              key={item.path}
              to={item.path}
              end={item.exact}
              className={({ isActive }) => `admin-nav-item ${isActive ? 'active' : ''}`}
            >
              <span className="nav-icon">{adminIconPaths[item.icon]}</span>
              {!collapsed && <span className="nav-label">{item.label}</span>}
            </NavLink>
          ))}
        </nav>

        <div className="admin-sidebar-footer">
          <NavLink to="/chat" className="admin-nav-item">
            <span className="nav-icon">
              <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><path d="M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2z"/></svg>
            </span>
            {!collapsed && <span className="nav-label">返回前台</span>}
          </NavLink>
          <button className="admin-nav-item logout-btn" onClick={() => { logout(); navigate('/login'); }}>
            <span className="nav-icon">
              <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><path d="M9 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h4"/><polyline points="16 17 21 12 16 7"/><line x1="21" y1="12" x2="9" y2="12"/></svg>
            </span>
            {!collapsed && <span className="nav-label">退出登录</span>}
          </button>
        </div>
        {!collapsed && (
          <div className="admin-version-info">
            Qihu-AIFlow v2.0.0
          </div>
        )}
      </aside>

      {/* Admin Main Content */}
      <main className="admin-main">
        <header className="admin-topbar">
          <div className="admin-topbar-left">
            <span className="admin-welcome">欢迎，{user.username}</span>
          </div>
          <div className="admin-topbar-right">
            <a href="#/chat" className="admin-topbar-action">
              <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2z"/></svg>
              <span>返回前台</span>
            </a>
            <div className="admin-user-tag">
              <div className="user-avatar-sm admin-avatar">
                {user.username.charAt(0).toUpperCase()}
              </div>
              <span>{user.username}</span>
            </div>
          </div>
        </header>
        <div className="admin-content">
          <Outlet />
        </div>
      </main>
    </div>
  );
};

export default AdminLayout;