const VendingMachine = require('./vendingMachine');
let vendingMachine = new VendingMachine();

const readline = require('readline-sync');

function setupMachine() {
    vendingMachine.fillMachine();
}

function listProducts() {
    const products = vendingMachine.getProducts();
    products.forEach((element) => {
        if (element.quantity > 0) {
            console.log(`${element.id}) ${element.name} - ${element.price}zł`);
        }
    });
}

(async () => {
    setupMachine();
    let credit = readline.question(`Insert coins:\n`);
    listProducts();
    let id = readline.question(`Choose product from the list:\n`);
    let product = vendingMachine.getProductById(id);
    if (product.price > credit) {
        console.log('Insuficient credit');
    } else {
        console.log(
            'Your change ',
            vendingMachine.calculateChange(credit - product.price)
        );
        console.log('Please take your product');
    }
})();