bitcoin minning - fundamentals

function bitcoinMining(minedGold) {

  let boughtBitcoin = 0;

  let days = 0;

  let money = 0;

  let firstDay = 0;

  for (let i = 0; i < minedGold.length; i++) {

    days++;

    let gold = minedGold[i];

    if (days % 3 === 0) {

      money += (gold - gold * 0.3) * 67.51;

    } else {

      money += gold * 67.51;

    }

// Този ред по-долу го слагаш в иф условието горе!

// money += Number((gold * 67.51).toFixed(2));
    while (money >= 11949.16) {

      if (firstDay === 0) {

        firstDay = days;

      }

      money -= 11949.16;

      boughtBitcoin++;

    }

  }

  console.log(`Bought bitcoins: ${boughtBitcoin}`);

  if (boughtBitcoin >= 1) {

    console.log(`Day of the first purchased bitcoin: ${firstDay}`);

  }

  console.log(`Left money: ${money.toFixed(2)} lv.`);

}