/**
 * Header 组件
 * 
 * 全局顶部导航栏组件
 * 包含Logo、主题切换、用户下拉菜单等功能
 * 使用三层架构样式系统，支持深浅色主题
 * 
 * @created 2025-01-XX
 * @component
 */

'use client'

import Image from 'next/image'
import Link from 'next/link'
import { signOut } from 'next-auth/react'
import { Session } from 'next-auth'
import { useState, useRef, useEffect, useCallback } from 'react'
import { initializeNetwork } from '@/lib/network'
import { useThemeStyles, cn } from '@/lib/ui-styles'
import Avatar from '@/components/ui/Avatar'

interface HeaderCompactModeProps {
  isScrolled: boolean
  searchKeyword: string
  onSearchChange: (value: string) => void
  onOpenFilter: () => void
  onOpenUpload: () => void
  categoryItems: Array<{ key: string; label: string }>
  selectedCategoryKey: string
  onSelectCategory: (key: string) => void
  themeColor: string
}

interface HeaderProps {
  session: Session | null
  compactMode?: HeaderCompactModeProps
}

const THEME_STORAGE_KEY = 'admin-theme-preference'

// 默认导航栏 LOGO：优先使用构建时环境变量，否则使用内置静态资源
const DEFAULT_HEADER_LOGO =
  process.env.NEXT_PUBLIC_DEFAULT_HEADER_LOGO_URL || ''

export default function Header({ session, compactMode }: HeaderProps) {
  const styles = useThemeStyles()
  const isAdmin = session ? ((session.user as any)?.role === 'ADMIN' || (session.user as any)?.isSuperAdmin) : false
  const isSuperAdmin = session ? Boolean((session.user as any)?.isSuperAdmin) : false
  const [showDropdown, setShowDropdown] = useState(false)
  const [isInternalNetwork, setIsInternalNetwork] = useState(false)
  const [networkChecked, setNetworkChecked] = useState(false)
  const dropdownRef = useRef<HTMLDivElement>(null)
  const [showCategoryMenu, setShowCategoryMenu] = useState(false)
  
  // 系统设置
  const [headerBgColor, setHeaderBgColor] = useState('#1f2937')
  const [headerLogoUrl, setHeaderLogoUrl] = useState(DEFAULT_HEADER_LOGO)
  const [siteName, setSiteName] = useState('FLNXI素材库')
  
  // Logo 加载状态
  const [logoError, setLogoError] = useState(false)
  const [logoRetryCount, setLogoRetryCount] = useState(0)
  const [theme, setTheme] = useState<'light' | 'dark'>('light')
  const [themeReady, setThemeReady] = useState(false)
  const [isHeaderDarkBg, setIsHeaderDarkBg] = useState(false)
  const fallbackHeaderBg = theme === 'dark' ? '#0f172a' : '#ffffff'

  const parseColorToRGB = useCallback((color: string): { r: number; g: number; b: number } | null => {
    if (!color) return null
    const trimmed = color.trim()
    const hexMatch = trimmed.match(/^#([0-9a-f]{3}|[0-9a-f]{6})$/i)
    if (hexMatch) {
      let hex = hexMatch[1]
      if (hex.length === 3) {
        hex = hex.split('').map((ch) => ch + ch).join('')
      }
      const num = parseInt(hex, 16)
      return {
        r: (num >> 16) & 255,
        g: (num >> 8) & 255,
        b: num & 255,
      }
    }
    const rgbMatch = trimmed.match(/^rgba?\((\d+),\s*(\d+),\s*(\d+)/i)
    if (rgbMatch) {
      return {
        r: parseInt(rgbMatch[1], 10),
        g: parseInt(rgbMatch[2], 10),
        b: parseInt(rgbMatch[3], 10),
      }
    }
    return null
  }, [])

  const isColorDark = useCallback((color: string) => {
    const rgb = parseColorToRGB(color)
    if (!rgb) {
      return theme === 'dark'
    }
    const luminance = (0.2126 * rgb.r + 0.7152 * rgb.g + 0.0722 * rgb.b) / 255
    return luminance < 0.55
  }, [parseColorToRGB, theme])

  const applyTheme = useCallback((nextTheme: 'light' | 'dark') => {
    if (typeof document === 'undefined') return
    const root = document.documentElement
    if (nextTheme === 'dark') {
      root.classList.add('dark')
    } else {
      root.classList.remove('dark')
    }
    root.dataset.theme = nextTheme
    try {
      window.localStorage.setItem(THEME_STORAGE_KEY, nextTheme)
    } catch {
      // ignore storage errors
    }
  }, [])

  useEffect(() => {
    if (typeof window === 'undefined') return
    let initial: 'light' | 'dark' = 'light'
    try {
      const stored = window.localStorage.getItem(THEME_STORAGE_KEY)
      if (stored === 'light' || stored === 'dark') {
        initial = stored
      } else {
        initial = window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light'
      }
    } catch {
      initial = 'light'
    }
    setTheme(initial)
    applyTheme(initial)
    setThemeReady(true)
  }, [applyTheme])

  useEffect(() => {
    if (!headerLogoUrl) return

    // 对于以 / 开头的相对路径（如 /logo/logo2.png），直接认为是站内静态资源，不做 URL 解析
    if (headerLogoUrl.startsWith('/')) {
      setLogoError(false)
      return
    }

    try {
      const parsed = new URL(headerLogoUrl)
      const host = parsed.hostname.toLowerCase()
      const hostIsLocal = host === 'localhost' || host === '127.0.0.1'
      if (hostIsLocal && typeof window !== 'undefined') {
        const currentHost = window.location.hostname.toLowerCase()
        if (currentHost !== host) {
          console.warn(
            `[Header] Logo 地址 ${headerLogoUrl} 指向本地服务，但当前访问域名为 ${currentHost}，自动降级为占位图`
          )
          setLogoError(true)
        }
      }
    } catch (error) {
      console.warn('[Header] Logo 地址解析失败，自动降级为占位图:', headerLogoUrl, error)
      setLogoError(true)
    }
  }, [headerLogoUrl])

  // 加载系统设置
  useEffect(() => {
    const loadSettings = async () => {
      try {
        const response = await fetch('/api/system-settings')
        if (response.ok) {
          const settings = await response.json()
          setHeaderBgColor(settings.headerBgColor || '#1f2937')
          setHeaderLogoUrl(settings.headerLogoUrl || DEFAULT_HEADER_LOGO)
          setSiteName(settings.siteName || 'FLNXI素材库')
        }
      } catch (error) {
        console.error('加载系统设置失败:', error)
      }
    }
    loadSettings()
  }, [])

  // 更新浏览器标题
  useEffect(() => {
    if (siteName) {
      document.title = siteName
    }
  }, [siteName])

  useEffect(() => {
    const detectionColor = headerBgColor || (theme === 'dark' ? '#0f172a' : '#ffffff')
    setIsHeaderDarkBg(isColorDark(detectionColor))
  }, [headerBgColor, theme, isColorDark])

  // 检测网络状态（仅用于右上角「内网 / 公网」状态展示，不再弹出横幅）
  useEffect(() => {
    const detectNetwork = async () => {
      try {
        const networkStatus = await initializeNetwork()
        setIsInternalNetwork(networkStatus.isInternal)
        setNetworkChecked(true)
      } catch (error) {
        console.error('网络检测失败:', error)
        setIsInternalNetwork(false)
        setNetworkChecked(true)
      }
    }
    detectNetwork()
  }, [])

  // 点击外部关闭下拉菜单
  useEffect(() => {
    const handleClickOutside = (event: MouseEvent) => {
      if (dropdownRef.current && !dropdownRef.current.contains(event.target as Node)) {
        setShowDropdown(false)
      }
    }

    document.addEventListener('mousedown', handleClickOutside)
    return () => document.removeEventListener('mousedown', handleClickOutside)
  }, [])

  const headerPrimaryTextClass = isHeaderDarkBg ? 'text-white' : 'text-slate-900'
  const compactActive = Boolean(compactMode?.isScrolled)
  const compactCategoryItems = compactMode?.categoryItems || []
  const compactSelectedCategory =
    compactCategoryItems.find(
      (item: HeaderCompactModeProps['categoryItems'][number]) => item.key === compactMode?.selectedCategoryKey
    ) || compactCategoryItems[0] || null

  return (
    <>
      <header 
        className={cn(
          'sticky z-50',
          'top-0',
          'border-b border-slate-200 dark:border-slate-700',
          'transition-colors'
        )}
        style={{
          backgroundColor: headerBgColor || fallbackHeaderBg
        }}
      >
        <div className="container mx-auto px-4 py-3 max-w-7xl">
          <div className="flex items-center justify-between gap-6 h-12">
            {/* Logo + 首页收缩模式下的分类与搜索卡片 */}
            <div className="flex items-center gap-4 flex-1 min-w-0 h-full">
              <Link href="/" className="flex items-center space-x-3 flex-shrink-0 h-full">
                {headerLogoUrl && !logoError ? (
                  <Image
                    key={logoRetryCount}
                    src={headerLogoUrl + (logoRetryCount > 0 ? `?retry=${logoRetryCount}` : '')}
                    alt={siteName}
                    width={40}
                    height={40}
                    unoptimized
                    className="rounded-lg"
                    onError={(e) => {
                      try {
                        const img = e.target as HTMLImageElement
                        if (!img) return

                        // 检查是否是 localhost 地址但当前访问域名不是 localhost
                        const currentHost = typeof window !== 'undefined' ? window.location.hostname : ''
                        const checkLogoUrl = (url: string, host: string) => {
                          try {
                            const logoHost = new URL(url).hostname
                            return (logoHost === 'localhost' || logoHost === '127.0.0.1') && host !== 'localhost' && host !== '127.0.0.1'
                          } catch {
                            return true // 如果 URL 无效，视为错误
                          }
                        }

                        if (checkLogoUrl(headerLogoUrl, currentHost)) {
                          console.warn(
                            `[Header] Logo 地址 ${headerLogoUrl} 指向本地服务，但当前访问域名为 ${currentHost}，自动降级为占位图`
                          )
                          setLogoError(true)
                          if (img) img.style.display = 'none'
                          return
                        }

                        setLogoRetryCount((prevCount) => {
                          const newCount = prevCount + 1
                          if (newCount <= 3) {
                            // 重试加载（最多3次）
                            console.warn(`Logo 加载失败，正在重试 (${newCount}/3):`, headerLogoUrl)
                            setTimeout(() => {
                              if (img && img.parentNode) {
                                img.src = headerLogoUrl + `?retry=${newCount}`
                              }
                            }, 1000 * newCount) // 递增延迟：1s, 2s, 3s
                            return newCount
                          } else {
                            // 重试失败，记录错误并显示占位符
                            console.error('Logo 加载失败，已重试3次:', headerLogoUrl)
                            setLogoError(true)
                            if (img) img.style.display = 'none'
                            return prevCount
                          }
                        })
                      } catch (error) {
                        // 捕获所有错误，防止崩溃
                        console.error('[Header] Logo 错误处理异常:', error)
                        setLogoError(true)
                      }
                    }}
                  />
                ) : (
                  <div
                    className={cn(
                      'w-10 h-10 rounded-lg flex items-center justify-center',
                      isHeaderDarkBg ? 'bg-white/15' : 'bg-slate-900/10'
                    )}
                  >
                    <span
                      className={cn(
                        'text-lg font-bold',
                        headerPrimaryTextClass
                      )}
                    >
                      {siteName.charAt(0)}
                    </span>
                  </div>
                )}
                <span
                  className={cn(
                    'text-2xl font-semibold transition-colors',
                    headerPrimaryTextClass
                  )}
                >
                  {siteName}
                </span>
              </Link>

              {/* 首页收缩模式：分类 + 搜索卡片（含筛选与上传） */}
              {compactActive && compactMode && (
                <div className="flex items-center gap-3 flex-1 min-w-0 max-w-xl h-full">
                  {/* 分类 三 */}
                  <div
                    className="relative flex-shrink-0 select-none h-full flex items-center"
                    onMouseEnter={() => setShowCategoryMenu(true)}
                    onMouseLeave={() => setShowCategoryMenu(false)}
                  >
                    <button
                      type="button"
                      className={cn(
                        'inline-flex items-center gap-1.5 px-2.5 py-1 rounded-md text-sm font-medium transition-colors h-8',
                        isHeaderDarkBg 
                          ? 'text-white/90' 
                          : 'text-slate-800'
                      )}
                    >
                      <span>分类</span>
                      <span className="inline-flex items-center justify-center w-4 h-4">
                        <svg className="w-3.5 h-3.5" viewBox="0 0 20 20" fill="none" stroke="currentColor">
                          <path strokeLinecap="round" strokeWidth={1.6} d="M4 6h12M4 10h12M4 14h12" />
                        </svg>
                      </span>
                    </button>
                    {showCategoryMenu && compactCategoryItems.length > 0 && (
                      <div
                        className={cn(
                          'absolute top-full left-0 mt-0 w-40 md:w-44 pt-1.5 pb-1.5 z-50',
                          'rounded-lg bg-white dark:bg-slate-900',
                          'border border-slate-200 dark:border-slate-700',
                          'shadow-sm',
                          'origin-top-left'
                        )}
                        onMouseEnter={() => setShowCategoryMenu(true)}
                        onMouseLeave={() => setShowCategoryMenu(false)}
                        style={{
                          transformOrigin: 'top left'
                        }}
                      >
                        {compactCategoryItems.map((item: HeaderCompactModeProps['categoryItems'][number]) => (
                          <button
                            key={item.key}
                            type="button"
                            onClick={() => {
                              compactMode.onSelectCategory(item.key)
                              setShowCategoryMenu(false)
                            }}
                            className={cn(
                              'w-full px-4 py-2 text-left text-sm transition-colors',
                              'text-slate-800 dark:text-slate-100',
                              'hover:bg-slate-100 dark:hover:bg-slate-800'
                            )}
                          >
                            {item.label}
                          </button>
                        ))}
                      </div>
                    )}
                  </div>

                  {/* 搜索卡片：类别文字 + 输入框 + 筛选图标 + 上传按钮（集成在尾部） */}
                  <div
                    className={cn(
                      'flex items-center gap-0 flex-1 min-w-0 h-9',
                      'rounded-lg overflow-hidden',
                      'bg-white dark:bg-slate-900',
                      'border border-slate-200 dark:border-slate-700',
                      'shadow-sm'
                    )}
                  >
                    {/* 左侧内容区域 */}
                    <div className="flex items-center gap-1.5 flex-1 min-w-0 px-2.5 h-full">
                      {/* 当前分类标签 */}
                      {compactSelectedCategory && (
                        <div className="flex items-center gap-1 px-1.5 py-0.5 rounded bg-slate-100 dark:bg-slate-800 text-xs font-medium text-slate-600 dark:text-slate-200 whitespace-nowrap h-5">
                          <span>{compactSelectedCategory.label}</span>
                        </div>
                      )}

                      {/* 搜索输入 */}
                      <div className="relative flex-1 min-w-0 h-full flex items-center">
                        <input
                          type="text"
                          value={compactMode.searchKeyword}
                          onChange={(e) => compactMode.onSearchChange(e.target.value)}
                          placeholder="搜索SPU、店铺、场景类别、作者..."
                          className={cn(
                            'w-full bg-transparent border-none outline-none text-sm text-slate-900 dark:text-slate-50 placeholder:text-slate-400 dark:placeholder:text-slate-500',
                            'pl-5 pr-10 h-full'
                          )}
                        />
                        <svg
                          className="absolute left-1 top-1/2 -translate-y-1/2 w-3.5 h-3.5 text-slate-400"
                          fill="none"
                          stroke="currentColor"
                          viewBox="0 0 24 24"
                        >
                          <path
                            strokeLinecap="round"
                            strokeLinejoin="round"
                            strokeWidth={2}
                            d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"
                          />
                        </svg>

                        {/* 右侧筛选图标按钮（内嵌在输入框尾部区域，只显示图标） */}
                        <button
                          type="button"
                          onClick={compactMode.onOpenFilter}
                          className="absolute right-1.5 top-1/2 -translate-y-1/2 inline-flex items-center justify-center w-6 h-6 rounded border border-slate-300 dark:border-slate-600 bg-white dark:bg-slate-800 text-slate-600 dark:text-slate-300 hover:bg-slate-50 dark:hover:bg-slate-700 transition-colors"
                          title="筛选"
                          aria-label="筛选"
                        >
                          <svg className="w-3.5 h-3.5" viewBox="0 0 24 24" fill="none" stroke="currentColor">
                            <path
                              strokeLinecap="round"
                              strokeLinejoin="round"
                              strokeWidth={2}
                              d="M3 4h18l-7 8v6l-4 2v-8L3 4z"
                            />
                          </svg>
                        </button>
                      </div>
                    </div>

                    {/* 上传素材按钮（直接集成在卡片尾部，作为卡片的一部分） */}
                    <button
                      type="button"
                      onClick={compactMode.onOpenUpload}
                      className={cn(
                        'flex items-center justify-center px-3 h-9 rounded-r-lg text-xs font-medium whitespace-nowrap',
                        'border-l border-slate-300 dark:border-slate-600',
                        'bg-slate-800 dark:bg-slate-100',
                        'text-white dark:text-slate-900',
                        'hover:bg-slate-700 dark:hover:bg-white',
                        'transition-colors'
                      )}
                    >
                      上传素材
                    </button>
                  </div>
                </div>
              )}
            </div>

            {/* Navigation */}
            <nav className="flex items-center space-x-4">
            {/* Network Status Indicator */}
            {networkChecked && (
              <div className={`flex items-center gap-1.5 px-3 py-1.5 rounded-full text-xs font-medium transition-colors ${
                isInternalNetwork 
                  ? 'bg-green-500/10 text-green-400 border border-green-500/20' 
                  : 'bg-blue-500/10 text-blue-400 border border-blue-500/20'
              }`}>
                <svg className="w-3 h-3" fill="currentColor" viewBox="0 0 20 20">
                  <circle cx="10" cy="10" r="4"/>
                </svg>
                <span>{isInternalNetwork ? '内网' : '公网'}</span>
              </div>
            )}
            {/* Theme toggle */}
            <div className="flex items-center">
              {themeReady ? (
                <button
                  type="button"
                  onClick={() => {
                    const next = theme === 'dark' ? 'light' : 'dark'
                    setTheme(next)
                    applyTheme(next)
                  }}
                  aria-label={`切换为${theme === 'dark' ? '浅色' : '深色'}模式`}
                  aria-pressed={theme === 'dark'}
                  className={cn(
                    "relative flex items-center px-2 py-1 rounded-full border focus:outline-none focus-visible:outline-none focus-visible:ring-0 transition-colors w-16 h-8 overflow-hidden",
                    isHeaderDarkBg 
                      ? 'border-white/25 bg-white/15' 
                      : 'border-slate-300 bg-white'
                  )}
                >
                  <div className="absolute inset-0 flex items-center justify-between px-2">
                    <svg
                      className={`w-4 h-4 transition-colors ${theme === 'light' ? 'text-amber-300' : 'text-white/35'}`}
                      viewBox="0 0 24 24"
                      fill="none"
                      stroke="currentColor"
                    >
                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={1.6} d="M12 3v1m0 16v1m9-9h-1M4 12H3m15.364-6.364l-.707.707M6.343 17.657l-.707.707m12.728 0l-.707-.707M6.343 6.343l-.707-.707M16 12a4 4 0 11-8 0 4 4 0 018 0z" />
                    </svg>
                    <svg
                      className={`w-4 h-4 transition-colors ${theme === 'dark' ? 'text-indigo-200' : 'text-white/35'}`}
                      viewBox="0 0 24 24"
                      fill="none"
                      stroke="currentColor"
                    >
                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={1.6} d="M21 12.79A9 9 0 1111.21 3 7 7 0 0021 12.79z" />
                    </svg>
                  </div>
                  <span
                    className={`absolute top-1 left-1 w-6 h-6 rounded-full bg-white shadow-sm transition-transform duration-300 ${
                      theme === 'dark' ? 'translate-x-7' : 'translate-x-0'
                    }`}
                  >
                    <span className="sr-only">{theme === 'dark' ? '深色模式' : '浅色模式'}</span>
                    <span className="relative block w-full h-full text-slate-700">
                      <svg
                        className={`absolute inset-0 m-auto w-3.5 h-3.5 transition-opacity ${theme === 'light' ? 'opacity-100 text-amber-500' : 'opacity-0'}`}
                        viewBox="0 0 24 24"
                        fill="none"
                        stroke="currentColor"
                      >
                        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={1.6} d="M12 3v1m0 16v1m9-9h-1M4 12H3m15.364-6.364l-.707.707M6.343 17.657l-.707.707m12.728 0l-.707-.707M6.343 6.343l-.707-.707M16 12a4 4 0 11-8 0 4 4 0 018 0z" />
                      </svg>
                      <svg
                        className={`absolute inset-0 m-auto w-3.5 h-3.5 transition-opacity ${theme === 'dark' ? 'opacity-100 text-indigo-400' : 'opacity-0'}`}
                        viewBox="0 0 24 24"
                        fill="none"
                        stroke="currentColor"
                      >
                        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={1.6} d="M21 12.79A9 9 0 1111.21 3 7 7 0 0021 12.79z" />
                      </svg>
                    </span>
                  </span>
                </button>
              ) : (
                <div className="w-16 h-8 rounded-full border border-white/20 bg-white/10 animate-pulse" />
              )}
            </div>
            
            {/* User Dropdown */}
            {session && (
              <div className="relative" ref={dropdownRef}>
                    <button
                      onClick={() => setShowDropdown(!showDropdown)}
                      aria-label="打开用户菜单"
                      className={cn(
                        'flex items-center justify-center rounded-full transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-white/40',
                        isHeaderDarkBg ? 'hover:bg-white/15 p-1' : 'hover:bg-slate-900/5 p-1'
                      )}
                    >
                  {/* 使用 Avatar 组件 */}
                  <Avatar
                    src={(session.user as any)?.avatar || undefined}
                    name={session.user?.name || ''}
                    size="sm"
                    onClick={() => setShowDropdown(!showDropdown)}
                  />
                </button>

                {/* 下拉菜单 - 使用三层架构样式 */}
                {showDropdown && (
                  <div className={cn(
                    'absolute right-0 mt-2 w-48 py-2 z-50 overflow-hidden',
                    styles.cardStyles.base
                  )}>
                    <div className={cn('px-4 py-2 border-b', 'border-slate-200/70 dark:border-slate-700/70')}>
                      <p className="text-sm font-medium text-slate-900 dark:text-white">
                        {session.user?.name}
                      </p>
                      <p className="text-xs text-slate-500 dark:text-slate-400">
                        {session.user?.email}
                      </p>
                    </div>
                    
                    {/* 个人中心 */}
                    <Link
                      href="/profile"
                      onClick={() => setShowDropdown(false)}
                      className={cn(
                        'w-full text-left px-4 py-2 text-sm transition-colors flex items-center space-x-2',
                        'text-slate-700 dark:text-slate-200',
                        'hover:bg-slate-100 dark:hover:bg-slate-700'
                      )}
                    >
                      <svg
                        className="w-4 h-4"
                        fill="none"
                        stroke="currentColor"
                        viewBox="0 0 24 24"
                      >
                        <path
                          strokeLinecap="round"
                          strokeLinejoin="round"
                          strokeWidth={2}
                          d="M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7z"
                        />
                      </svg>
                      <span>个人中心</span>
                    </Link>

                    {isAdmin && (
                      <>
                        <Link
                          href="/admin"
                          onClick={() => setShowDropdown(false)}
                          className={cn(
                            'w-full text-left px-4 py-2 text-sm transition-colors flex items-center space-x-2',
                            'text-slate-700 dark:text-slate-200',
                            'hover:bg-slate-100 dark:hover:bg-slate-700'
                          )}
                        >
                          <svg
                            className="w-4 h-4"
                            fill="none"
                            stroke="currentColor"
                            viewBox="0 0 24 24"
                          >
                            <path
                              strokeLinecap="round"
                              strokeLinejoin="round"
                              strokeWidth={2}
                              d="M7 21a4 4 0 01-4-4V5a2 2 0 012-2h4a2 2 0 012 2v12a4 4 0 01-4 4zm0 0h12a2 2 0 002-2v-4a2 2 0 00-2-2h-2.343M11 7.343l1.657-1.657a2 2 0 012.828 0l2.829 2.829a2 2 0 010 2.828l-8.486 8.485M7 17h.01"
                            />
                          </svg>
                          <span>企业管理</span>
                        </Link>

                        {isAdmin && (
                          <Link
                            href="/admin/settings"
                            onClick={() => setShowDropdown(false)}
                            className={cn(
                              'w-full text-left px-4 py-2 text-sm transition-colors flex items-center space-x-2',
                              'text-slate-700 dark:text-slate-200',
                              'hover:bg-slate-100 dark:hover:bg-slate-700'
                            )}
                          >
                            <svg
                              className="w-4 h-4"
                              fill="none"
                              stroke="currentColor"
                              viewBox="0 0 24 24"
                            >
                              <path
                                strokeLinecap="round"
                                strokeLinejoin="round"
                                strokeWidth={2}
                                d="M12 6V4m0 2a2 2 0 100 4m0-4a2 2 0 110 4m-6 8a2 2 0 100-4m0 4a2 2 0 110-4m0 4v2m0-6V4m6 6v10m6-2a2 2 0 100-4m0 4a2 2 0 110-4m0 4v2m0-6V4"
                              />
                            </svg>
                            <span>系统设置</span>
                          </Link>
                        )}
                      </>
                    )}

                    <Link
                      href="/admin/monitor"
                      onClick={() => setShowDropdown(false)}
                      className={cn(
                        'w-full text-left px-4 py-2 text-sm transition-colors flex items-center space-x-2',
                        'text-slate-700 dark:text-slate-200',
                        'hover:bg-slate-100 dark:hover:bg-slate-700'
                      )}
                    >
                      <svg
                        className="w-4 h-4"
                        fill="none"
                        stroke="currentColor"
                        viewBox="0 0 24 24"
                      >
                        <path
                          strokeLinecap="round"
                          strokeLinejoin="round"
                          strokeWidth={2}
                          d="M3 10h4l3 8 4-16 3 8h4"
                        />
                      </svg>
                      <span>监控仪表板</span>
                    </Link>
                    
                    {/* 退出登录 */}
                    <button
                      onClick={async () => {
                        setShowDropdown(false)
                        // 先退出登录，然后手动跳转到登录页
                        await signOut({ redirect: false })
                        window.location.href = '/login'
                      }}
                      className={cn(
                        'w-full text-left px-4 py-2 text-sm transition-colors flex items-center space-x-2',
                        'text-slate-700 dark:text-slate-200',
                        'hover:bg-slate-100 dark:hover:bg-slate-700'
                      )}
                    >
                      <svg
                        className="w-4 h-4"
                        fill="none"
                        stroke="currentColor"
                        viewBox="0 0 24 24"
                      >
                        <path
                          strokeLinecap="round"
                          strokeLinejoin="round"
                          strokeWidth={2}
                          d="M17 16l4-4m0 0l-4-4m4 4H7m6 4v1a3 3 0 01-3 3H6a3 3 0 01-3-3V7a3 3 0 013-3h4a3 3 0 013 3v1"
                        />
                      </svg>
                      <span>退出登录</span>
                    </button>
                  </div>
                )}
              </div>
            )}
          </nav>
        </div>
      </div>
    </header>
    </>
  )
}