const nightmare = require('nightmare')({ show: false });
const cheerio = require('cheerio');

module.exports.parseData = async (page) => {
  const url = `http://otkos-profi.ru/product${ page }.html`;

  const html = await nightmare
  .goto(url)
  .wait('body')
  .evaluate(() => {
    return document.querySelector('body').innerHTML;
  })
  .end();

  const parsedData = await getData(html);
  return parsedData;
};

const getData = async (html) => {
  const $ = cheerio.load(html);

  const title = await $('div.path').children('h1').text();
  const description = await $('div.col-md-12').text();
  const price = await $('div.product-info-box').children('div.price').children('span').text();
  const unit = await $('div.product-info-box').children('div.price').children('sub').text();
  const categories = getCategory($);
  const images = getImages($);

  return {
    title,
    description,
    price,
    unit,
    categories,
    images
  };
};

const getCategory = ($) => {
  let categories = [];
  const category = $('ol.breadcrumb').children('li').each(async (i, element) => {
    if (i !== 0 && i !== 1)
     await categories.push($(element).text());
      //categoriesString += `${  } > `;
  });

  return categories;
};

const getImages = ($) => {
  let images = [];
  const image = $('a.gallery').each(async (i, element) => { //;
    await images.push($(element).attr('data-image'));
  });

  return images;
};