import { Feed } from "feed"
import { Podcast } from 'podcast';
import getConfig from 'next/config'
import { getAllPodcastSeries, getAllPosts, getProjectDetails } from "../external/cms"
import fs from "fs"
import config from './config'
import htmlFindReplaceElementAttrs from "html-find-replace-element-attrs"
import Image from "next/legacy/image"

export const generateRssFeed = async (filter) => {

    const project = await getProjectDetails(filter);

    const posts = typeof filter === "undefined" ? await getAllPosts() : await getAllPosts(project.data[0].attributes.Slug);

    const siteURL = config.siteURL;

    const { serverRuntimeConfig, publicRuntimeConfig } = getConfig()
  
    const date = new Date();

    const Title = typeof filter === "undefined" ? "Angry Beanie" : project.data[0].attributes.Title

    const Description = typeof filter == "undefined" ? "A place for all my thoughts and projects" : project.data[0].attributes.Description

    const feedTitle = typeof filter === "undefined" ? "Angry-Beanie" : project.data[0].attributes.Slug
  
    const author = {
  
      name: "James Purser",
  
      email: "james@angrybeanie.com",
  
      link: "https://twitter.com/purserj",
  
    };
  
    const feed = new Feed({
  
      title: Title,
  
      description: Description,
  
      id: siteURL,
  
      link: siteURL,
  
      image: `${siteURL}/public/images/logo.svg`,
  
      favicon: `${siteURL}/public/images/favicon.png`,
  
      copyright: `All rights reserved ${date.getFullYear()}, James Purser`,
  
      updated: date,
  
      generator: "Feed for Node.js",
  
      feedLinks: {
  
        rss2: `${siteURL}/feed/${feedTitle}-feed.xml`,
  
        json: `${siteURL}/feed/${feedTitle}-feed.json`,
  
        atom: `${siteURL}/feed/${feedTitle}-atom.xml`,
  
      },
  
      author,
  
    });
  
    posts.data.forEach((post) => {
  
      const url = `${siteURL}/news/${post.attributes.Slug}`;
 
      const body = htmlFindReplaceElementAttrs.replace(
        post.attributes.FullBody, 
        item => item.parsedUrl, 
        {
          tag: "img",
          attr: "src",
          parseAttrValueAsUrl: true,
          baseUrl: config.siteURL,
          urlProtocol: "https",
        }
      )

      var fullbody;

      if (post.attributes.FeatureImage.data) {
        const imagepath = serverRuntimeConfig.media_path + post.attributes.FeatureImage.data.attributes.formats.large.url
        const featuredImage = <Image src={imagepath} height="100%" width="100%" />
        fullbody = "<p><img src=" + imagepath + "></img></p>"+body
      } else {
        fullbody = body
      }

      feed.addItem({
  
        title: post.attributes.Title,
  
        id: url,
  
        link: url,
  
        description: fullbody,
  
        content: fullbody,
  
        author: [author],
  
        contributor: [author],
  
        date: new Date(post.attributes.publishedAt),
  
      });
  
    });

  fs.mkdirSync("./public/feed", { recursive: true });

  fs.writeFileSync(`./public/feed/${feedTitle}-feed.xml`, feed.rss2());

  fs.writeFileSync(`./public/feed/${feedTitle}-atom.xml`, feed.atom1());

  fs.writeFileSync(`./public/feed/${feedTitle}-feed.json`, feed.json1());

}

export const generatePodcastFeeds = async () => {
  const podcastSeries = await getAllPodcastSeries()
  const siteURL = config.siteURL;
  
  const author = {
  
    name: "James Purser",

    email: "james@angrybeanie.com",

    link: "https://aus.social/purserj",

  };

  const date = new Date();

  podcastSeries.data.forEach((series) => {

    const feed = new Podcast({
      itunesAuthor: "James Purser",

      itunesOwner: {
        name: "James Purser",
        email: "james@angrybeanie.com"
      },
  
      title: series.attributes.Title,
  
      description: series.attributes.Description,
  
      id: siteURL + "/podcasts/shows/" + series.attributes.Slug,
  
      link: siteURL + "/podcasts/shows/" + series.attributes.Slug,
  
      image: `${siteURL}` + series.attributes.Logo.data.attributes.url,

      itunesImage: `${siteURL}` + series.attributes.Logo.data.attributes.url,

      language: "English",
  
      favicon: `${siteURL}/public/images/favicon.png`,
  
      copyright: `All rights reserved ${date.getFullYear()}, James Purser`,
  
      updated: date,
  
      generator: "Feed for Node.js",
  
      itunesCategory: [{text: series.attributes.iTunesCategory}],
    });

    const episodes = series.attributes.podcast_episodes.data

    episodes.forEach((episode) => {

      var subtitles = {}

      if ( episode.attributes.Subtitles.data !== null) {
        subtitles = {
          url: `${siteURL}${episode.attributes.Subtitles.data.attributes.url}`,
          type: episode.attributes.Subtitles.data.attributes.mime,
          language: "English"
        }
        console.log(subtitles)
      }

      const url = `${siteURL}/podcasts/shows/${series.attributes.Slug}/${episode.attributes.Slug}`;

      const media_url = `${siteURL}${episode.attributes.Audio_MP3.data.attributes.url}`

      const media = {
        url: media_url,
        type: episode.attributes.Audio_MP3.data.attributes.mime,
        size: episode.attributes.Audio_MP3.data.attributes.size,
        title: episode.attributes.Audio_MP3.data.attributes.name,
        duration: 0,
      }

      feed.addItem({
        
        title: episode.attributes.Title,
  
        id: url,
  
        url: url,
  
        description: episode.attributes.Description,
  
        content: episode.attributes.Description,
  
        author: [author],
  
        contributor: [author],
  
        date: new Date(episode.attributes.publishedAt),

        enclosure: media,

        itunesSubtitle: subtitles,

        podcastTranscript: [subtitles]
    })
  })

    fs.writeFileSync(`./public/feed/${series.attributes.Slug}.xml`, feed.buildXml());
  })
}