import BLOG from '@/blog.config'
import { getPostBlocks } from '@/lib/notion'
import { getGlobalNotionData } from '@/lib/notion/getNotionData'
import * as ThemeMap from '@/themes'
import { useGlobal } from '@/lib/global'
const Index = (props) => {
  const { theme } = useGlobal()
  const ThemeComponents = ThemeMap[theme]
  return <ThemeComponents.LayoutIndex {...props}/>
}

export async function getStaticProps () {
  const from = 'index'
  const props = await getGlobalNotionData({ from, pageType: ['Post'] })
  const { allPosts, siteInfo } = props
  const meta = {
    title: `${siteInfo.title}`,
    description: siteInfo.description,
    type: 'website'
  }

  // 处理分页
  const page = 1
  let postsToShow
  if (BLOG.POST_LIST_STYLE !== 'page') {
    postsToShow = Array.from(allPosts)
  } else {
    postsToShow = allPosts.slice(
      BLOG.POSTS_PER_PAGE * (page - 1),
      BLOG.POSTS_PER_PAGE * page
    )
    if (BLOG.POST_LIST_PREVIEW === 'true') {
      for (const i in postsToShow) {
        const post = postsToShow[i]
        const blockMap = await getPostBlocks(post.id, 'slug', BLOG.POST_PREVIEW_LINES)
        if (blockMap) {
          post.blockMap = blockMap
        }
      }
    }
  }
  props.posts = postsToShow

  return {
    props: {
      meta, ...props
    },
    revalidate: 1
  }
}

export default Index