text: import { useEffect, useState } from 'react'
  import { loadUserThemeFromCookies, saveTheme, useGlobal } from '@/lib/global'
  import { faMoon, faSun } from '@fortawesome/free-solid-svg-icons'
  import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
  import BLOG from '@/blog.config'
  
  export default function FloatDarkModeButton () {
    if (!BLOG.widget?.showDarkMode) {
      return <></>
    }
    const [show, switchShow] = useState(false)
    const scrollListener = () => {
      const scrollY = window.pageYOffset
      const shouldShow = scrollY > 100
      if (shouldShow !== show) {
        switchShow(shouldShow)
      }
    }
    useEffect(() => {
      scrollListener()
      document.addEventListener('scroll', scrollListener)
      return () => document.removeEventListener('scroll', scrollListener)
    }, [show])
  
    const { changeTheme } = useGlobal()
    const userTheme = loadUserThemeFromCookies()
    // 用户手动设置主题
    const handleChangeDarkMode = () => {
      const newTheme = userTheme === 'light' ? 'dark' : 'light'
      saveTheme(newTheme)
      changeTheme(newTheme)
      const htmlElement = document.getElementsByTagName('html')[0]
      htmlElement.classList?.remove(userTheme)
      htmlElement.classList?.add(newTheme)
    }
  
    return (
      <div
        id='float-dark-mode-button'
        onClick={handleChangeDarkMode}
        className={
          (show ? '' : ' hidden ') +
          ' animate__fadeInRight animate__animated animate__faster  fixed right-1 bottom-28 z-10 duration-500 text-xs cursor-pointer ' +
          ' text-black dark:border-gray-500 flex justify-center items-center w-8 h-8 glassmorphism dark:bg-gray-700 dark:text-gray-200'
        }
      >
        <FontAwesomeIcon
          icon={userTheme === 'dark' ? faSun : faMoon}
          id="darkModeButton"
          className="hover:scale-150 transform duration-200"
        />
      </div>
    )
  }
  