import BLOG from '@/blog.config'
import { siteConfig } from '@/lib/config'
import { getGlobalData } from '@/lib/db/getSiteData'
import { getLayoutByTheme } from '@/themes/theme'
import { useRouter } from 'next/router'

/**
 * 分类页
 * @param {*} props
 * @returns
 */
export default function Category(props) {
  // 根据页面路径加载不同Layout文件
  const Layout = getLayoutByTheme({
    theme: siteConfig('THEME'),
    router: useRouter()
  })

  return <Layout {...props} />
}

export async function getStaticProps({ params: { category }, locale }) {
  const from = 'category-props'
  let props = await getGlobalData({ from, locale })

  // 过滤状态
  props.posts = props.allPages?.filter(
    page => page.type === 'Post' && page.status === 'Published'
  )
  // 处理过滤
  props.posts = props.posts.filter(
    post => post && post.category && post.category.includes(category)
  )
  // 处理文章页数
  props.postCount = props.posts.length
  // 处理分页
  if (siteConfig('POST_LIST_STYLE') === 'scroll') {
    // 滚动列表 给前端返回所有数据
  } else if (siteConfig('POST_LIST_STYLE') === 'page') {
    props.posts = props.posts?.slice(0, siteConfig('POSTS_PER_PAGE'))
  }

  delete props.allPages

  props = { ...props, category }

  return {
    props,
    revalidate: siteConfig(
      'NEXT_REVALIDATE_SECOND',
      BLOG.NEXT_REVALIDATE_SECOND,
      props.NOTION_CONFIG
    )
  }
}

export async function getStaticPaths() {
  const from = 'category-paths'
  const { categoryOptions } = await getGlobalData({ from })
  return {
    paths: Object.keys(categoryOptions).map(category => ({
      params: { category: categoryOptions[category]?.name }
    })),
    fallback: true
  }
}