const cheerio = require('cheerio');
const fecha = require('fecha');

const dateRegX = /(\d{2}-\d{2}-\d{4})/;

function scrapeResults(html) {
  const outArray = [];

  const $ = cheerio.load(html);

  const rawUrl = $('meta[property=\'og:url\']').attr('content');

  const rawDate = rawUrl.match(dateRegX)[0];

  const newDate = fecha.parse(rawDate, 'DD-MM-YYYY');

  outArray.push(fecha.format(newDate, 'YYYY-MM-DD'));

  const cells = $('#ballsAscending li');

  if ($(cells).length > 0)

    cells.each((i, item) => {
      outArray.push(parseInt($(item).text(), 10));
    });

  return outArray;
}

/*
<div class="archives">

						<a class="title" href="/results/28-12-2018" title="More detailed information about the EuroMillons draw that took place on December 28th 2018 "><span>Friday</span><br>28th December 2018</a>

									<ul class="balls small">

											<li class="new ball">13</li>

											<li class="new ball">16</li>

											<li class="new ball">34</li>

											<li class="new ball">35</li>

											<li class="new ball">45</li>

											<li class="new lucky-star">10</li>

											<li class="new lucky-star">12</li>

									</ul>

											<div class="raffle">
												<div class="title">Millionaire Maker:</div>
												<div class="box">2 Codes</div>
											</div>

					</div>
 */

function scrapeArchive(html) {
  const outArray = [];

  const $ = cheerio.load(html);

  const rawArchives = $('div.archives');

  rawArchives.each((i, item) => {
    const wArray = [];

    const rawUrl = $(item).find('a').attr('href');
    const rawDate = rawUrl.match(dateRegX)[0];

    const newDate = fecha.parse(rawDate, 'DD-MM-YYYY');

    wArray.push(fecha.format(newDate, 'YYYY-MM-DD'));

    const cells = $(item).find('ul li');

    if ($(cells).length > 0)

      cells.each((i, item) => {
        wArray.push(parseInt($(item).text(), 10));
      });

    outArray.push(wArray);
  });

  return outArray;
}

function scrapeSingle(html) {
  const outArray = [];

  const $ = cheerio.load(html);

  const rawArchives = $('div.archives');

  const wArray = [];

  const item = $(rawArchives).first();

  console.log('>>', $(item).html());

  const rawUrl = $(item).find('a').attr('href');
  const rawDate = rawUrl.match(dateRegX)[0];

  const newDate = fecha.parse(rawDate, 'DD-MM-YYYY');

  wArray.push(fecha.format(newDate, 'YYYY-MM-DD'));


  const cells = $(item).find('ul li');

  if ($(cells).length > 0)

    cells.each((i, item) => {
      wArray.push(parseInt($(item).text(), 10));
    });

  outArray.push(wArray);

  return outArray;
}

module.exports = { scrapeResults, scrapeArchive, scrapeSingle };