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

const navItems = [
  { path: '/chat', icon: 'chat', label: 'AI聊天' },
  { path: '/channels', icon: 'channel', label: 'IM Bot' },
  { path: '/knowledge', icon: 'knowledge', label: '知识库' },
  { path: '/market', icon: 'market', label: '技能市场' },
  { path: '/token', icon: 'token', label: 'Token驾驶舱' },
  { path: '/pricing', icon: 'pricing', label: '付费中心' },
  { path: '/assets', icon: 'assets', label: '资产文件' },
  { path: '/evolution', icon: 'evolution', label: 'AI自进化' },
  { path: '/wechat-bot', icon: 'wechat', label: '微信机器人' },
];

const bottomItems = [
  { path: '/profile', icon: 'profile', label: '个人中心' },
  { path: '/notifications', icon: 'notify', label: '消息通知' },
];

const iconPaths: Record<string, JSX.Element> = {
  chat: <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>,
  channel: <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>,
  knowledge: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><path d="M4 19.5A2.5 2.5 0 0 1 6.5 17H20"/><path d="M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z"/></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>,
  apps: <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="2" width="9" height="9" rx="2"/><rect x="13" y="2" width="9" height="9" rx="2"/><rect x="2" y="13" width="9" height="9" rx="2"/><rect x="13" y="13" width="5" height="5" rx="1.5"/><path d="M18 18v3"/><path d="M19.5 16.5v6"/></svg>,
  token: <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="10"/><path d="M12 6v6l4 2"/></svg>,
  pricing: <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="10"/><path d="M16 8h-6a2 2 0 1 0 0 4h4a2 2 0 1 1 0 4H8"/><path d="M12 18V6"/></svg>,
  profile: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><path d="M20 21v-2a4 4 0 0 0-4-4H8a4 4 0 0 0-4 4v2"/><circle cx="12" cy="7" r="4"/></svg>,
  notify: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><path d="M18 8A6 6 0 0 0 6 8c0 7-3 9-3 9h18s-3-2-3-9"/><path d="M13.73 21a2 2 0 0 1-3.46 0"/></svg>,
  assets: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><path d="M13 2H6a2 2 0 00-2 2v16a2 2 0 002 2h12a2 2 0 002-2V9z"/><polyline points="13 2 13 9 20 9"/></svg>,
  evolution: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><polyline points="22 12 18 12 15 21 9 3 6 12 2 12"/></svg>,
  wechat: <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><path d="M21 11.5a8.38 8.38 0 0 1-.9 3.8 8.5 8.5 0 0 1-7.6 4.7 8.38 8.38 0 0 1-3.8-.9L3 21l1.9-5.7a8.38 8.38 0 0 1-.9-3.8 8.5 8.5 0 0 1 4.7-7.6 8.38 8.38 0 0 1 3.8-.9h.5a8.48 8.48 0 0 1 8 8v.5z"/><circle cx="9" cy="11" r="1"/><circle cx="15" cy="11" r="1"/></svg>,
};

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

  if (!user) {
    navigate('/login');
    return null;
  }

  return (
    <div className="front-layout">
      {/* Sidebar */}
      <aside className={`front-sidebar ${collapsed ? 'collapsed' : ''}`}>
        {/* Header */}
        <div className="sidebar-header">
          <div className="sidebar-logo">
            <svg width="32" height="32" viewBox="0 0 32 32" fill="none">
              <defs>
                <linearGradient id="flGrad" x1="0%" y1="0%" x2="100%" y2="100%">
                  <stop offset="0%" stopColor="#6C63FF"/>
                  <stop offset="100%" stopColor="#A78BFA"/>
                </linearGradient>
              </defs>
              <rect width="32" height="32" rx="8" fill="url(#flGrad)"/>
              <path d="M8 20V12l4 4 4-4v8" stroke="white" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round" fill="none"/>
              <path d="M6 22h20" stroke="white" strokeWidth="1.5" strokeLinecap="round" opacity="0.5"/>
            </svg>
            {!collapsed && <span className="sidebar-brand">七虎AI</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">
              {collapsed ? <><polyline points="13 17 18 12 13 7"/><polyline points="6 17 11 12 6 7"/></> : <><polyline points="11 17 6 12 11 7"/><polyline points="18 17 13 12 18 7"/></>}
            </svg>
          </button>
        </div>

        {/* Navigation */}
        <nav className="sidebar-nav">
          <NavLink to="/" className={({ isActive }) => `nav-item nav-home-link`} end>
            <span className="nav-item-icon">
              <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round"><path d="M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"/><polyline points="9 22 9 12 15 12 15 22"/></svg>
            </span>
            {!collapsed && <span className="nav-item-label">返回首页</span>}
          </NavLink>
          <div className="nav-section">
            {navItems.map(item => (
              <NavLink
                key={item.path}
                to={item.path}
                className={({ isActive }) => `nav-item ${isActive ? 'active' : ''}`}
                title={collapsed ? item.label : undefined}
              >
                <span className="nav-icon">{iconPaths[item.icon]}</span>
                {!collapsed && <span className="nav-label">{item.label}</span>}
                {!collapsed && <span className="nav-active-dot" />}
              </NavLink>
            ))}
          </div>
          <div className="nav-section nav-bottom">
            {bottomItems.map(item => (
              <NavLink
                key={item.path}
                to={item.path}
                className={({ isActive }) => `nav-item ${isActive ? 'active' : ''}`}
                title={collapsed ? item.label : undefined}
              >
                <span className="nav-icon">{iconPaths[item.icon]}</span>
                {!collapsed && <span className="nav-label">{item.label}</span>}
                {!collapsed && <span className="nav-active-dot" />}
              </NavLink>
            ))}
          </div>
        </nav>

        {/* Footer */}
        <div className="sidebar-footer">
          <div className="user-info-mini">
            <div className="user-avatar-sm">
              {user.username.charAt(0).toUpperCase()}
            </div>
            {!collapsed && (
              <div className="user-details">
                <span className="user-name">{user.username}</span>
                <span className="user-plan">{user.membership?.planName || '免费版'}</span>
              </div>
            )}
          </div>
          {user.role === 'admin' && (
            <NavLink
              to="/admin"
              className={({ isActive }) => `nav-item ${isActive ? 'active' : ''}`}
              title="管理后台"
            >
              <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">
                  <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>
              </span>
              {!collapsed && <span className="nav-label">管理后台</span>}
            </NavLink>
          )}
          <button
            className="nav-item logout-btn"
            onClick={() => { logout(); navigate('/login'); }}
            title="退出登录"
          >
            <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>
      </aside>

      {/* Main Content */}
      <main className="front-main">
        <Outlet />
      </main>
    </div>
  );
};

export default FrontLayout;