'use client'

import BLOG from '@/blog.config'
import CONFIG_EXAMPLE from './config_example'
import CommonHead from '@/components/CommonHead'
import { useEffect } from 'react'
import { Header } from './components/Header'
import { Nav } from './components/Nav'
import { Footer } from './components/Footer'
import { Title } from './components/Title'
import { SideBar } from './components/SideBar'
import { BlogListPage } from './components/BlogListPage'
import { BlogListScroll } from './components/BlogListScroll'
import { useGlobal } from '@/lib/global'
import { ArticleLock } from './components/ArticleLock'
import { ArticleInfo } from './components/ArticleInfo'
import JumpToTopButton from './components/JumpToTopButton'
import NotionPage from '@/components/NotionPage'
import Comment from '@/components/Comment'
import ShareBar from '@/components/ShareBar'
import SearchInput from './components/SearchInput'
import Mark from 'mark.js'
import { isBrowser } from '@/lib/utils'
import LoadingCover from './components/LoadingCover'
import BlogListGroupByDate from './components/BlogListGroupByDate'
import CategoryItem from './components/CategoryItem'
import TagItem from './components/TagItem'
import { useRouter } from 'next/router'

/**
 * 基础布局框架
 * 1.其它页面都嵌入在LayoutBase中
 * 2.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, meta, slotTop } = props
  const { onLoading } = useGlobal()

  return (
        <div id='theme-example' className='dark:text-gray-300  bg-white dark:bg-black'>
            {/* 网页SEO信息 */}
            <CommonHead meta={meta} />

            {/* 页头 */}
            <Header {...props} />

            {/* 菜单 */}
            <Nav {...props} />

            {/* 主体 */}
            <div id='container-inner' className="w-full relative z-10">

                {/* 标题栏 */}
                <Title {...props} />

                <div id='container-wrapper' className={(BLOG.LAYOUT_SIDEBAR_REVERSE ? 'flex-row-reverse' : '') + 'relative container mx-auto justify-center md:flex items-start py-8 px-2'}>

                    {/* 内容 */}
                    <div className='w-full max-w-3xl xl:px-14 lg:px-4 '>
                        {/* 嵌入模块 */}
                        {slotTop}
                        {onLoading ? <LoadingCover /> : children}
                    </div>

                    {/* 侧边栏 */}
                    <SideBar {...props} />

                </div>

            </div>

            {/* 页脚 */}
            <Footer {...props} />

            {/* 回顶按钮 */}
            <div className='fixed right-4 bottom-4 z-10'>
                <JumpToTopButton />
            </div>
        </div>
  )
}

/**
 * 首页
 * @param {*} props
 * @returns 此主题首页就是列表
 */
const LayoutIndex = props => {
  return <LayoutPostList {...props} />
}

/**
 * 文章列表
 * @param {*} props
 * @returns
 */
const LayoutPostList = props => {
  const { category, tag } = props
  // 顶部如果是按照分类或标签查看文章列表，列表顶部嵌入一个横幅
  let slotTop = null
  if (category) {
    slotTop = <div className='pb-12'><i className="mr-1 fas fa-folder-open" />{category}</div>
  } else if (tag) {
    slotTop = <div className='pb-12'>#{tag}</div>
  }
  return (
        <LayoutBase {...props} slotTop={slotTop}>
            {BLOG.POST_LIST_STYLE === 'page' ? <BlogListPage {...props} /> : <BlogListScroll {...props} />}
        </LayoutBase>
  )
}

/**
 * 文章详情页
 * @param {*} props
 * @returns
 */
const LayoutSlug = props => {
  const { post, lock, validPassword } = props
  return (
        <LayoutBase {...props}>
            {lock
              ? <ArticleLock validPassword={validPassword} />
              : <div id="article-wrapper" className="px-2">
                    <ArticleInfo post={post} />
                    <NotionPage post={post} />
                    <ShareBar post={post} />
                    <Comment frontMatter={post} />
                </div>}
        </LayoutBase>
  )
}

/**
 * 404页
 * @param {*} props
 * @returns
 */
const Layout404 = (props) => {
  return <LayoutBase {...props}>404 Not found.</LayoutBase>
}

/**
 * 搜索页
 * @param {*} props
 * @returns
 */
const LayoutSearch = props => {
  const { keyword } = props
  // 嵌入一个搜索框在顶部
  const slotTop = <div className='pb-12'><SearchInput {...props} /></div>
  const router = useRouter()
  useEffect(() => {
    setTimeout(() => {
      if (isBrowser()) {
        // 高亮搜索到的结果
        const container = document.getElementById('posts-wrapper')
        console.log('container', container, keyword)
        if (keyword && container) {
          const re = new RegExp(keyword, 'gim')
          const instance = new Mark(container)
          instance.markRegExp(re, {
            element: 'span',
            className: 'text-red-500 border-b border-dashed'
          })
        }
      }
    }, 500)
  }, [router])

  return <LayoutPostList slotTop={slotTop} {...props} />
}

/**
 * 归档列表
 * @param {*} props
 * @returns 按照日期将文章分组排序
 */
const LayoutArchive = props => {
  const { archivePosts } = props
  return (
        <LayoutBase {...props}>
            <div className="mb-10 pb-20 md:py-12 p-3  min-h-screen w-full">
                {Object.keys(archivePosts).map(archiveTitle => (
                    <BlogListGroupByDate key={archiveTitle} archiveTitle={archiveTitle} archivePosts={archivePosts} />
                ))}
            </div>
        </LayoutBase>
  )
}

/**
 * 分类列表
 * @param {*} props
 * @returns
 */
const LayoutCategoryIndex = props => {
  const { categoryOptions } = props
  return (
        <LayoutBase {...props}>
            <div id='category-list' className='duration-200 flex flex-wrap'>
                {categoryOptions?.map(category => <CategoryItem key={category.name} category={category} />)}
            </div>
        </LayoutBase>
  )
}

/**
 * 标签列表
 * @param {*} props
 * @returns
 */
const LayoutTagIndex = (props) => {
  const { tagOptions } = props
  return (
        <LayoutBase {...props}>
            <div id='tags-list' className='duration-200 flex flex-wrap'>
                {tagOptions.map(tag => <TagItem key={tag.name} tag={tag} />)}
            </div>
        </LayoutBase>
  )
}

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