'use client'

import Comment from '@/components/Comment'
import { AdSlot } from '@/components/GoogleAdsense'
import Live2D from '@/components/Live2D'
import NotionIcon from '@/components/NotionIcon'
import NotionPage from '@/components/NotionPage'
import ShareBar from '@/components/ShareBar'
import { siteConfig } from '@/lib/config'
import { useGlobal } from '@/lib/global'
import { isBrowser } from '@/lib/utils'
import { Transition } from '@headlessui/react'
import dynamic from 'next/dynamic'
import Link from 'next/link'
import { useRouter } from 'next/router'
import { createContext, useContext, useEffect, useRef, useState } from 'react'
import Announcement from './components/Announcement'
import ArticleAround from './components/ArticleAround'
import ArticleInfo from './components/ArticleInfo'
import { ArticleLock } from './components/ArticleLock'
import BlogArchiveItem from './components/BlogArchiveItem'
import Catalog from './components/Catalog'
import CategoryItem from './components/CategoryItem'
import FloatTocButton from './components/FloatTocButton'
import Footer from './components/Footer'
import Header from './components/Header'
import InfoCard from './components/InfoCard'
import JumpToTopButton from './components/JumpToTopButton'
import NavPostList from './components/NavPostList'
import PageNavDrawer from './components/PageNavDrawer'
import RevolverMaps from './components/RevolverMaps'
import SearchInput from './components/SearchInput'
import TagItemMini from './components/TagItemMini'
import TocDrawer from './components/TocDrawer'
import CONFIG from './config'
import { Style } from './style'

const AlgoliaSearchModal = dynamic(
  () => import('@/components/AlgoliaSearchModal'),
  { ssr: false }
)
const WWAds = dynamic(() => import('@/components/WWAds'), { ssr: false })

// 主题全局变量
const ThemeGlobalGitbook = createContext()
export const useGitBookGlobal = () => useContext(ThemeGlobalGitbook)

/**
 * 给最新的文章标一个红点
 */
function getNavPagesWithLatest(allNavPages, latestPosts, post) {
  // localStorage 保存id和上次阅读时间戳： posts_read_time = {"${post.id}":"Date()"}
  const postReadTime = JSON.parse(
    localStorage.getItem('post_read_time') || '{}'
  )
  if (post) {
    postReadTime[post.id] = new Date().getTime()
  }
  // 更新
  localStorage.setItem('post_read_time', JSON.stringify(postReadTime))

  return allNavPages?.map(item => {
    const res = {
      id: item.id,
      title: item.title || '',
      pageCoverThumbnail: item.pageCoverThumbnail || '',
      category: item.category || null,
      tags: item.tags || null,
      summary: item.summary || null,
      slug: item.slug,
      href: item.href,
      pageIcon: item.pageIcon || '',
      lastEditedDate: item.lastEditedDate
    }
    // 属于最新文章通常6篇 && (无阅读记录 || 最近更新时间大于上次阅读时间)
    if (
      latestPosts.some(post => post.id === item.id) &&
      (!postReadTime[item.id] ||
        postReadTime[item.id] < new Date(item.lastEditedDate).getTime())
    ) {
      return { ...res, isLatest: true }
    } else {
      return res
    }
  })
}

/**
 * 基础布局
 * 采用左右两侧布局，移动端使用顶部导航栏
 * @returns {JSX.Element}
 * @constructor
 */
const LayoutBase = props => {
  const {
    children,
    post,
    allNavPages,
    latestPosts,
    slotLeft,
    slotRight,
    slotTop
  } = props
  const { onLoading, fullWidth } = useGlobal()
  const router = useRouter()
  const [tocVisible, changeTocVisible] = useState(false)
  const [pageNavVisible, changePageNavVisible] = useState(false)
  const [filteredNavPages, setFilteredNavPages] = useState(allNavPages)

  const showTocButton = post?.toc?.length > 1
  const searchModal = useRef(null)

  useEffect(() => {
    setFilteredNavPages(getNavPagesWithLatest(allNavPages, latestPosts, post))
  }, [router])

  return (
    <ThemeGlobalGitbook.Provider
      value={{
        searchModal,
        tocVisible,
        changeTocVisible,
        filteredNavPages,
        setFilteredNavPages,
        allNavPages,
        pageNavVisible,
        changePageNavVisible
      }}>
      <Style />

      <div
        id='theme-gitbook'
        className={`${siteConfig('FONT_STYLE')} scroll-smooth bg-white dark:bg-hexo-black-gray w-full h-full min-h-screen justify-center dark:text-gray-300`}>
        <AlgoliaSearchModal cRef={searchModal} {...props} />

        {/* 顶部导航栏 */}
        <Header {...props} />

        <main
          id='wrapper'
          className={
            (JSON.parse(siteConfig('LAYOUT_SIDEBAR_REVERSE'))
              ? 'flex-row-reverse'
              : '') + 'relative flex justify-between w-full h-full mx-auto'
          }>
          {/* 左侧推拉抽屉 */}
          {fullWidth ? null : (
            <div
              className={
                'hidden md:block border-r dark:border-transparent relative z-10 dark:bg-hexo-black-gray'
              }>
              <div className='w-72 py-14 px-6 sticky top-0 overflow-y-scroll h-screen scroll-hidden'>
                {slotLeft}
                <SearchInput className='my-3 rounded-md' />
                <div className='mb-20'>
                  {/* 所有文章列表 */}
                  <NavPostList filteredNavPages={filteredNavPages} />
                </div>
              </div>

              <div className='w-72 fixed left-0 bottom-0 z-20 bg-white'>
                <Footer {...props} />
              </div>
            </div>
          )}

          <div
            id='center-wrapper'
            className='flex flex-col justify-between w-full relative z-10 pt-14 min-h-screen dark:bg-black'>
            <div
              id='container-inner'
              className={`w-full px-7 ${fullWidth ? 'px-10' : 'max-w-3xl'} justify-center mx-auto`}>
              {slotTop}
              <WWAds className='w-full' orientation='horizontal' />

              <Transition
                show={!onLoading}
                appear={true}
                enter='transition ease-in-out duration-700 transform order-first'
                enterFrom='opacity-0 translate-y-16'
                enterTo='opacity-100'
                leave='transition ease-in-out duration-300 transform'
                leaveFrom='opacity-100 translate-y-0'
                leaveTo='opacity-0 -translate-y-16'
                unmount={false}>
                {children}
              </Transition>

              {/* Google广告 */}
              <AdSlot type='in-article' />
              <WWAds className='w-full' orientation='horizontal' />

              {/* 回顶按钮 */}
              <JumpToTopButton />
            </div>

            {/* 底部 */}
            <div className='md:hidden'>
              <Footer {...props} />
            </div>
          </div>

          {/*  右侧侧推拉抽屉 */}
          {fullWidth ? null : (
            <div
              style={{ width: '20rem' }}
              className={
                'hidden xl:block dark:border-transparent flex-shrink-0 relative z-10 '
              }>
              <div className='py-14 px-6 sticky top-0'>
                <ArticleInfo post={props?.post ? props?.post : props.notice} />

                <div className='py-4'>
                  <Catalog {...props} />
                  {slotRight}
                  {router.route === '/' && (
                    <>
                      <InfoCard {...props} />
                      {siteConfig(
                        'GITBOOK_WIDGET_REVOLVER_MAPS',
                        null,
                        CONFIG
                      ) === 'true' && <RevolverMaps />}
                      <Live2D />
                    </>
                  )}
                  {/* gitbook主题首页只显示公告 */}
                  <Announcement {...props} />
                </div>

                <AdSlot type='in-article' />
                <Live2D />
              </div>
            </div>
          )}
        </main>

        {/* 移动端悬浮目录按钮 */}
        {showTocButton && !tocVisible && (
          <div className='md:hidden fixed right-0 bottom-52 z-30 bg-white border-l border-t border-b dark:border-gray-800 rounded'>
            <FloatTocButton {...props} />
          </div>
        )}

        {/* 移动端导航抽屉 */}
        <PageNavDrawer {...props} filteredNavPages={filteredNavPages} />

        {/* 移动端底部导航栏 */}
        {/* <BottomMenuBar {...props} className='block md:hidden' /> */}
      </div>
    </ThemeGlobalGitbook.Provider>
  )
}

/**
 * 首页
 * 重定向到某个文章详情页
 * @param {*} props
 * @returns
 */
const LayoutIndex = props => {
  const router = useRouter()
  useEffect(() => {
    router.push(siteConfig('GITBOOK_INDEX_PAGE', null, CONFIG)).then(() => {
      // console.log('跳转到指定首页', siteConfig('INDEX_PAGE', null, CONFIG))
      setTimeout(() => {
        if (isBrowser) {
          const article = document.getElementById('notion-article')
          if (!article) {
            console.log(
              '请检查您的Notion数据库中是否包含此slug页面： ',
              siteConfig('GITBOOK_INDEX_PAGE', null, CONFIG)
            )
            const containerInner = document.querySelector(
              '#theme-gitbook #container-inner'
            )
            const newHTML = `<h1 class="text-3xl pt-12  dark:text-gray-300">配置有误</h1><blockquote class="notion-quote notion-block-ce76391f3f2842d386468ff1eb705b92"><div>请在您的notion中添加一个slug为${siteConfig('GITBOOK_INDEX_PAGE', null, CONFIG)}的文章</div></blockquote>`
            containerInner?.insertAdjacentHTML('afterbegin', newHTML)
          }
        }
      }, 7 * 1000)
    })
  }, [])

  return <></>
}

/**
 * 文章列表 无
 * 全靠页面导航
 * @param {*} props
 * @returns
 */
const LayoutPostList = props => {
  return <></>
}

/**
 * 文章详情
 * @param {*} props
 * @returns
 */
const LayoutSlug = props => {
  const { post, prev, next, lock, validPassword } = props
  const router = useRouter()
  useEffect(() => {
    // 404
    if (!post) {
      setTimeout(
        () => {
          if (isBrowser) {
            const article = document.getElementById('notion-article')
            if (!article) {
              router.push('/404').then(() => {
                console.warn('找不到页面', router.asPath)
              })
            }
          }
        },
        siteConfig('POST_WAITING_TIME_FOR_404') * 1000
      )
    }
  }, [post])
  return (
    <>
      {/* 文章锁 */}
      {lock && <ArticleLock validPassword={validPassword} />}

      {!lock && (
        <div id='container'>
          {/* title */}
          <h1 className='text-3xl pt-12  dark:text-gray-300'>
            {siteConfig('POST_TITLE_ICON') && (
              <NotionIcon icon={post?.pageIcon} />
            )}
            {post?.title}
          </h1>

          {/* Notion文章主体 */}
          {post && (
            <section id='article-wrapper' className='px-1'>
              <NotionPage post={post} />

              {/* 分享 */}
              <ShareBar post={post} />
              {/* 文章分类和标签信息 */}
              <div className='flex justify-between'>
                {siteConfig('POST_DETAIL_CATEGORY', null, CONFIG) &&
                  post?.category && <CategoryItem category={post.category} />}
                <div>
                  {siteConfig('POST_DETAIL_TAG', null, CONFIG) &&
                    post?.tagItems?.map(tag => (
                      <TagItemMini key={tag.name} tag={tag} />
                    ))}
                </div>
              </div>

              {post?.type === 'Post' && (
                <ArticleAround prev={prev} next={next} />
              )}

              <AdSlot />
              <WWAds className='w-full' orientation='horizontal' />

              <Comment frontMatter={post} />
            </section>
          )}

          <TocDrawer {...props} />
        </div>
      )}
    </>
  )
}

/**
 * 没有搜索
 * 全靠页面导航
 * @param {*} props
 * @returns
 */
const LayoutSearch = props => {
  return <></>
}

/**
 * 归档页面基本不会用到
 * 全靠页面导航
 * @param {*} props
 * @returns
 */
const LayoutArchive = props => {
  const { archivePosts } = props

  return (
    <>
      <div className='mb-10 pb-20 md:py-12 py-3  min-h-full'>
        {Object.keys(archivePosts)?.map(archiveTitle => (
          <BlogArchiveItem
            key={archiveTitle}
            archiveTitle={archiveTitle}
            archivePosts={archivePosts}
          />
        ))}
      </div>
    </>
  )
}

/**
 * 404
 */
const Layout404 = props => {
  return (
    <>
      <div className='w-full h-96 py-80 flex justify-center items-center'>
        404 Not found.
      </div>
    </>
  )
}

/**
 * 分类列表
 */
const LayoutCategoryIndex = props => {
  const { categoryOptions } = props
  const { locale } = useGlobal()
  return (
    <>
      <div className='bg-white dark:bg-gray-700 py-10'>
        <div className='dark:text-gray-200 mb-5'>
          <i className='mr-4 fas fa-th' />
          {locale.COMMON.CATEGORY}:
        </div>
        <div id='category-list' className='duration-200 flex flex-wrap'>
          {categoryOptions?.map(category => {
            return (
              <Link
                key={category.name}
                href={`/category/${category.name}`}
                passHref
                legacyBehavior>
                <div
                  className={
                    'hover:text-black dark:hover:text-white dark:text-gray-300 dark:hover:bg-gray-600 px-5 cursor-pointer py-2 hover:bg-gray-100'
                  }>
                  <i className='mr-4 fas fa-folder' />
                  {category.name}({category.count})
                </div>
              </Link>
            )
          })}
        </div>
      </div>
    </>
  )
}

/**
 * 标签列表
 */
const LayoutTagIndex = props => {
  const { tagOptions } = props
  const { locale } = useGlobal()

  return (
    <>
      <div className='bg-white dark:bg-gray-700 py-10'>
        <div className='dark:text-gray-200 mb-5'>
          <i className='mr-4 fas fa-tag' />
          {locale.COMMON.TAGS}:
        </div>
        <div id='tags-list' className='duration-200 flex flex-wrap'>
          {tagOptions?.map(tag => {
            return (
              <div key={tag.name} className='p-2'>
                <TagItemMini key={tag.name} tag={tag} />
              </div>
            )
          })}
        </div>
      </div>
    </>
  )
}

export {
  Layout404,
  LayoutArchive,
  LayoutBase,
  LayoutCategoryIndex,
  LayoutIndex,
  LayoutPostList,
  LayoutSearch,
  LayoutSlug,
  LayoutTagIndex,
  CONFIG as THEME_CONFIG
}