const puppeteer = require ("puppeteer");
const url = "https://crypto.2mars.biz/stats"
const $ = require("cheerio").default
const CronJob = require('cron').CronJob


async function configureBrowser() {
  const browser = await puppeteer.launch({defaultViewport: null, headless: true});
  const page = await browser.newPage();
  await page.goto(url);
  return page;
}

async function checkBlocks(page) {
   await page.reload();
   let html = await page.evaluate(() => document.body.innerHTML);
   
   
   $('#statsValidBlocksflux', html).each(function() {
    let amount = $(this).text();
    console.log(amount)
    var currentamount = Number(amount.replace(amount));

    if (currentamount = (currentamount + 1)) {
      console.log("we hit a block ==> " + currentamount)
     
  }

   })
  
}

async function startTracking() {
  const page = await configureBrowser();

  let job = new CronJob('*/30 * * * * *', function(){
    checkBlocks(page);
  }, null, true, null, null, true);
  job.start
}
startTracking();