const cheerio = require('cheerio');

const logger = require('log4js').getLogger('Euronews 🔧');

const { get, isEmpty } = require('lodash');
logger.level = 'debug';

const htmlTidy = /<(\/*?)(?!(em|p|br\s*\/|strong|h1|h2|h3))\w+?.+?>/gim;

function reduceArticle(body = '') {
  if (body === '') return {};

  const obj = {};
  const $ = cheerio.load(body);

  const title = $('meta[property="og:title"]').attr('content');
  const image = `https://image.silvrtree.co.uk/640,fit,q80/${ $('meta[property="og:image"]').attr('content')}`;

  const stuff = $('[itemprop="articleBody"]');

  const html = [];

  const content = $('div.article__content');

  for (let top = 0, topLen = content.length; top < topLen; top++) {
    const children = $(content[top]).children();

    for (let index = 0, len = children.length; index < len; index++) {
      let line = $.html($(children[index])).replace('amp-img', 'img');
      const tag = children[index].name;

      const symbol = /src=(['"])(http[s]?:\/\/)/.exec(line) || [];

      if (tag === 'amp-twitter') {
        const tweetid = $(children[index]).data('tweetid');
        line = `<amp-twitter width="375"
  height="472"
  layout="responsive" data-tweetid="${tweetid}" > </amp-twitter>`;
      }
      // logger.debug(symbol);

      if (symbol.length !== 0)
        line = line.replace(/src=['"]http[s]?:\/\//, `src=${symbol[1]}https://image.silvrtree.co.uk/640,fit,q80/${symbol[2]}`);

      html.push(line);
    }
  }

  html.push('<div class="endbumper"></div>');
  // const outputHTML = html.join('').replace(htmlTidy, '');
  const outputHTML = html.join('');

  obj.title = title;
  obj.image = image;
  obj.html = outputHTML;

  logger.debug(JSON.stringify(obj));

  return obj;
}

module.exports = { reduceArticle };