const $cardNumber = document.querySelector(".js-card-number");
const $cardName = document.querySelector(".js-card-name");
const $cardExpireDate = document.querySelector(".js-card-expire-date");
const $logoImg = document.querySelector('.logo img')

const setTextOnElement = (element, text) => (element.textContent = text);
const setLogo = urlLogo => $logoImg.src = urlLogo

const logosUrl = {
	master: 'https://seeklogo.com/images/M/MasterCard-logo-4C5D228602-seeklogo.com.png',
	visa: 'https://upload.wikimedia.org/wikipedia/commons/5/5e/Visa_Inc._logo.svg'
}

const handleCardNumber = event => {
	const number = event.target.value
	const arrayOfNumbersBy4 = number.split(" ").map(number => number.substr(0,4));
	const arrayLenght = arrayOfNumbersBy4.length;

	/* Elems */
	const $first4 = document.querySelector(".first4");
	const $second4 = document.querySelector(".second4");
	const $third4 = document.querySelector(".third4");
	const $fourth4 = document.querySelector(".fourth4");

	const resetNumbers = () => {
		setTextOnElement($first4, 9999);
		setTextOnElement($second4, 9999);
		setTextOnElement($third4, 9999);
		setTextOnElement($fourth4, 9999);
	};
	if (arrayLenght === 1 && !arrayOfNumbersBy4[0]) {
		resetNumbers();
		return;
	}
	
	debugger
	if (arrayLenght === 1) {
		setTextOnElement($first4, arrayOfNumbersBy4[0]);
		if(arrayOfNumbersBy4[0] == 4){
			setLogo(logosUrl.visa)
		}
	} else if (arrayLenght === 2) {
		setTextOnElement($first4, arrayOfNumbersBy4[0]);
		setTextOnElement($second4, arrayOfNumbersBy4[1]);
		const firstNumber = arrayOfNumbersBy4[0].charAt(0)
		const secondNumber = arrayOfNumbersBy4[0].charAt(1)
		
		if(
			(firstNumber == 5 && (secondNumber >= 1 && secondNumber <=5)) || (firstNumber == 2 && (secondNumber >= 2 && secondNumber <=7))
		) {
			setLogo(logosUrl.master)
		}
		/*
		First digit must be 5 and second digit must be in the range 1 through 5 inclusive. The range is 510000 through 559999.

First digit must be 2 and second digit must be in the range 2 through 7 inclusive. The range is 222100 through 272099.
		*/
	} else if (arrayLenght === 3) {
		setTextOnElement($first4, arrayOfNumbersBy4[0]);
		setTextOnElement($second4, arrayOfNumbersBy4[1]);
		setTextOnElement($third4, arrayOfNumbersBy4[2]);
	} else if (arrayLenght === 4) {
		setTextOnElement($first4, arrayOfNumbersBy4[0]);
		setTextOnElement($second4, arrayOfNumbersBy4[1]);
		setTextOnElement($third4, arrayOfNumbersBy4[2]);
		setTextOnElement($fourth4, arrayOfNumbersBy4[3]);
	}
};

const handleCardName = event => {
	const regexValidation = /[A-Za-z]/gi
	if(!regexValidation.test(event.key)) event.preventDefault()
	
	const text = event.target.value	
	const $cardField = document.querySelector('.card-name')
		
	setTextOnElement($cardField,text)
}

const handleExpireDate = event =>{
	const $dateField = document.querySelector('.date-expire__date') 
	console.log($dateField)
	const date = event.target.value
	setTextOnElement($dateField,date)
}


VMasker($cardNumber).maskPattern("9999 9999 9999 9999");
VMasker($cardExpireDate).maskPattern("99/99");

$cardNumber.addEventListener("keyup", handleCardNumber);
$cardExpireDate.addEventListener("keydown", handleExpireDate);
$cardName.addEventListener('keyup',handleCardName)