/**
 * 文章相关工具
 */
import { checkContainHttp } from '.'

/**
 * 获取文章的关联推荐文章列表，目前根据标签关联性筛选
 * @param post
 * @param {*} allPosts
 * @param {*} count
 * @returns
 */
export function getRecommendPost(post, allPosts, count = 6) {
  let recommendPosts = []
  const postIds = []
  const currentTags = post?.tags || []
  for (let i = 0; i < allPosts.length; i++) {
    const p = allPosts[i]
    if (p.id === post.id || p.type.indexOf('Post') < 0) {
      continue
    }

    for (let j = 0; j < currentTags.length; j++) {
      const t = currentTags[j]
      if (postIds.indexOf(p.id) > -1) {
        continue
      }
      if (p.tags && p.tags.indexOf(t) > -1) {
        recommendPosts.push(p)
        postIds.push(p.id)
      }
    }
  }

  if (recommendPosts.length > count) {
    recommendPosts = recommendPosts.slice(0, count)
  }
  return recommendPosts
}

/**
 * 确认slug中不包含 / 符号
 * @param {*} row
 * @returns
 */
export function checkSlugHasNoSlash(row) {
  let slug = row.slug
  if (slug.startsWith('/')) {
    slug = slug.substring(1)
  }
  return (
    (slug.match(/\//g) || []).length === 0 &&
    !checkContainHttp(slug) &&
    row.type.indexOf('Menu') < 0
  )
}

/**
 * 检查url中包含一个  /
 * @param {*} row
 * @returns
 */
export function checkSlugHasOneSlash(row) {
  let slug = row.slug
  if (slug.startsWith('/')) {
    slug = slug.substring(1)
  }
  return (
    (slug.match(/\//g) || []).length === 1 &&
    !checkContainHttp(slug) &&
    row.type.indexOf('Menu') < 0
  )
}

/**
 * 检查url中包含两个及以上的  /
 * @param {*} row
 * @returns
 */
export function checkSlugHasMorThanTwoSlash(row) {
  let slug = row.slug
  if (slug.startsWith('/')) {
    slug = slug.substring(1)
  }
  return (
    (slug.match(/\//g) || []).length >= 2 &&
    row.type.indexOf('Menu') < 0 &&
    !checkContainHttp(slug)
  )
}