const path = require('path');

const envPath = path.resolve(__dirname, '../../../.env');
require('dotenv').config({ path: envPath });

const { GHOST_CLIENT_KEY } = process.env;

const axios = require('axios');
const fs = require('fs');

const getJson = async url => {
  return axios
    .get(url)
    .then(res => res.data)
    .catch(err => console.log(err));
};

const constructIndex = async () => {
  let currPage = 1;
  let lastPage = 5;
  const delay = m => new Promise(resolve => setTimeout(resolve, m));
  const posts = [];

  while (currPage && currPage <= lastPage) {
    const data = await getJson(
      `https://www.freecodecamp.org/news/ghost/api/v2/content/posts/?key=${GHOST_CLIENT_KEY}&include=tags,authors&page=${currPage}`
    );

    data.posts.forEach(post => {
      const thisPost = {
        title: post.title,
        author: {
          name: post.primary_author.name,
          url: post.primary_author.url,
          profileImage: post.primary_author.profile_image
        },
        tags: post.tags.map(obj => {
          return {
            name: obj.name,
            url: obj.url
          };
        }),
        url: post.url,
        featureImage: post.feature_image,
        ghostId: post.id,
        publishedAt: post.published_at
      };

      posts.push(thisPost);
    });

    currPage = data.meta.pagination.next;
    lastPage = data.meta.pagination.pages;

    console.log(posts);

    fs.writeFileSync('posts.json', JSON.stringify(posts, null, 2));
    await delay(1000);
  }
};

constructIndex();