import { get } from '../utils/request';
import { PostDetail } from './type';
import { RequestTaskQueue } from './fetch-post';

const postDetailRequestTaskQueue = new RequestTaskQueue<
  { permalink: string },
  PostDetail
>(async (
  permalinks: { permalink: string }[]
) => {
  const res: any = await get(
    '//www.lofter.com/spread/copyright/posts.json',
    {
      'permalinks': permalinks.map(({ permalink }) => permalink).join(',')
    }
  )
  const postsIdMap = res.data.posts.reduce((idMap, post) => {
    idMap[post.permalink] = post;
    return idMap;
  }, {});
  return permalinks.map(({ permalink }) => postsIdMap[permalink]);
}, 50);

export function fetchPostPermaLinksDetail(permalink: string) {
  return new Promise<PostDetail>((resolve) => {
    postDetailRequestTaskQueue.add({
      data: { permalink },
      callback: resolve
    })
  })
}