//import fetch from 'node-fetch'; // For ES Modules
const fs = require('fs');
const path = require('path');

const striptags = require('striptags');
const dayjs = require('dayjs');
const he = require('he');
const jsonTojsonl = require('json-to-jsonl');

const fetch = require('node-fetch'); // For CommonJS
const { start } = require('repl');
const request = require('request');
let { render } = require("mustache");

let jsonlData = '';

const DATA_INPUT_FOLDER = './input';
const DATA_OUTPUT_FOLDER = './output';
const TEMPLATES_FOLDER = './templates';
const LOCALE = 'pt';

function generateMarkdown(type) {
  const folderPath = `${DATA_INPUT_FOLDER}/${type}`;
  const files = fs.readdirSync(folderPath);
  const jsonFiles = files.filter(file => file.endsWith('.json'));

  const summary = [];

  jsonFiles.forEach(file => {
    const startYear = path.basename(file, '.json');
    const filePath = path.join(folderPath, file);
    const content = fs.readFileSync(filePath, 'utf8');
    const data = JSON.parse(content);

    //Init year for summaries
    yearObject = {};
    yearObject.year = startYear;
    yearObject.count = data.length;
    //Init months object for summary
    let months = {};

    let template = fs.readFileSync(`./${TEMPLATES_FOLDER}/${type}.md`).toString()

    data.map((conference) => {
      let month = conference.date.substring(5, 7);
      let output = render(template, conference)

      if (!fs.existsSync(`./${DATA_OUTPUT_FOLDER}/${type}`)) {
        fs.mkdirSync(`./${DATA_OUTPUT_FOLDER}/${type}`);
      }

      if (!fs.existsSync(`./${DATA_OUTPUT_FOLDER}/${type}/${startYear}`)) {
        fs.mkdirSync(`./${DATA_OUTPUT_FOLDER}/${type}/${startYear}`);
      }

      if (!fs.existsSync(`./${DATA_OUTPUT_FOLDER}/${type}/${startYear}/${month}`)) {
        fs.mkdirSync(`./${DATA_OUTPUT_FOLDER}/${type}/${startYear}/${month}`);
      }
      fs.writeFileSync(`./${DATA_OUTPUT_FOLDER}/${type}/${startYear}/${month}/${conference.date}-${conference.activity}.md`, output)

      //Add month count for summary
      const m = conference.date.substring(5, 7);
      if (!months.hasOwnProperty(m)) {
        months[m] = []
      }
      months[m].push(m)
    })

    let monthsArray = [];

    for (const month in months) {
      let mObject = {};
      mObject.month = month;
      mObject.count = months[month].length;
      monthsArray.push(mObject);
    }

    //Sort monthsarray
    monthsArray.sort((a, b) => b.month - a.month); // b - a for reverse sort

    yearObject.months = monthsArray;

    summary.push(yearObject);

  })

  fs.writeFileSync(`./${DATA_OUTPUT_FOLDER}/${type}/${type}.json`, JSON.stringify(summary.reverse(), null, 2));
  console.log(`Summary created successfully.`);
}

async function generateJson( type ) {
  let options = { json: true };

  let fields = [];
  fields['activities_translations'] = [
    'activities_id.id',
    'title',
    'activities_id.date',
    'activities_id.activity',
    'activities_id.place',
    'activities_id.city',
    'activities_id.state',
    'activities_id.country',
    'activities_id.duration',
    'interventions.text',
    'activities_id.private',
    'activities_id.thumbnail.filename_disk',
    'slug',
    'youtube',
    'privateVideo.filename_disk',
    'mp3.filename_disk',
    'pdf_booklet.filename_disk',
    'pdf.filename_disk'
  ]

  fields['conferences_translations'] = [
    'conferences_id.id',
    'title',
    'conferences_id.date',
    'conferences_id.activity',
    'conferences_id.place',
    'conferences_id.city',
    'conferences_id.state',
    'conferences_id.country',
    'conferences_id.duration',
    'text_published',
    'conferences_id.public',
    'conferences_id.thumbnail.filename_disk',
    'slug',
    'youtube',
    'video.filename_disk',
    'audio.filename_disk',
    'pdf.filename_disk',
    'pdf_simple.filename_disk',
  ]

  let url = `http://directus.carpa.com/items/${type}?fields=${fields[type].join(",")}&filter[languages_code]=${LOCALE}&access_token=dUILDpE5gV224XqOB5xUTzE69sk8VSOL&limit=10000`;

  request(url, options, (error, res, body) => {
    if (error) {
      return console.log(error)
    };

    if (!error && res.statusCode == 200) {
      // do something with JSON, using the 'body' variable
      const items = body.data;

      let nitems = items.map((item) => {
        let nitem = {}

        if (type == 'activities_translations') {
          nitem.id = item.activities_id?.id
          nitem.type = 'activities'
          nitem.title = item.title
          //nitem.body = he.decode(striptags(item.interventions[0]?.text)) || ''
          nitem.body = item.interventions[0]?.text
          nitem.private = item.activities_id?.private == 1 ? true : false;
          nitem.files = {}
          nitem.files.youtube = item.youtube
          nitem.files.video = item.privateVideo?.filename_disk
          nitem.files.audio = item.mp3?.filename_disk
          nitem.files.booklet = item.pdf_booklet?.filename_disk
          nitem.files.simple = item.pdf?.filename_disk
          nitem.slug = item.slug
          nitem.place = item.activities_id?.place || null;
          nitem.city = item.activities_id?.city || null;
          nitem.state = item.activities_id?.state || null;
          nitem.country = item.activities_id?.country || null;

          nitem.duration = item.activities_id?.duration ?? 0;

          nitem.year = dayjs(item.activities_id?.date).year().toString()
          nitem.month = nitem.year + " > " + (dayjs(item.activities_id?.date).month() + 1).toString().padStart(2, "0")

          nitem.menu_country = nitem.country
          nitem.menu_state = nitem.country + " > " + nitem.state
          nitem.menu_city = nitem.country + " > " + nitem.state + " > " + nitem.city
          nitem.menu_place = nitem.country + " > " + nitem.state + " > " + nitem.city + " > " + nitem.place

          nitem.date = dayjs(item.activities_id?.date).unix()

          nitem.thumbnail = item.activities_id?.thumbnail?.filename_disk

          //Filter out anything before 25/12/2021
          if( nitem.date < 1640408400 ) {
            return false
          }
        }

        if (type == 'conferences_translations') {
          nitem.id = item.conferences_id?.id.toString()
          nitem.type = 'conferences'
          nitem.title = item.title
          //nitem.body = he.decode(striptags(item.text_published)) || ''
          nitem.body = item.text_published
          nitem.private = item.conferences_id?.public == 0 ? true : false;
          nitem.files = {}
          nitem.files.youtube = item.youtube
          nitem.files.video = item.privateVideo?.filename_disk
          nitem.files.audio = item.mp3?.filename_disk
          nitem.files.booklet = item.pdf_booklet?.filename_disk
          nitem.files.simple = item.pdf?.filename_disk
          nitem.slug = item.slug
          nitem.place = item.conferences_id?.place || null;
          nitem.city = item.conferences_id?.city || null;
          nitem.state = item.conferences_id?.state || null;
          nitem.country = item.conferences_id?.country || null;

          nitem.duration = item.conferences_id?.duration ?? 0;

          nitem.year = dayjs(item.conferences_id?.date).year().toString()
          nitem.month = nitem.year + " > " + (dayjs(item.conferences_id?.date).month() + 1).toString().padStart(2, "0")

          nitem.menu_country = nitem.country
          nitem.menu_state = nitem.country + " > " + nitem.state
          nitem.menu_city = nitem.country + " > " + nitem.state + " > " + nitem.city
          nitem.menu_place = nitem.country + " > " + nitem.state + " > " + nitem.city + " > " + nitem.place

          nitem.date = dayjs(item.conferences_id?.date).unix()

          nitem.thumbnail = item.conferences_id?.thumbnail?.filename_disk
        }
        if (nitem.title && nitem.id) {
          return nitem;
        }

      })

      jsonlData += nitems.filter(item => item).map(JSON.stringify).join('\n')

      writeFile(jsonlData, type)
    };
  });

}

function writeFile(jsonlData, type) {
  fs.writeFile(`./${DATA_INPUT_FOLDER}/${type}_${LOCALE.toLocaleUpperCase()}.json`, jsonlData, (err) => {
    if (err) {
      console.error("Error writing file:", err);
      return;
    }
    console.log("File has been written successfully! : " + type);
  });
}


//generateJson( 'conferences', 1974);
//generateJson( 'activities' , 2021 );

// setTimeout( () => {
//   generateMarkdown( 'conferences' )
// }, 5000 );
//generateMarkdown( 'activities' );

//generateMarkdown( 'conferences' );
// for( let year = 1974; year < 2019; year++){
//   generateJson( 'conferences', year );
// }

//for( let year = 2021; year < 2027; year++){
//generateJson( 'activities_translations' );
generateJson( 'conferences_translations' );
//}