Main.java

package org.codedifferently.ReceiptApp;

import java.util.Scanner;

//TIP To <b>Run</b> code, press <shortcut actionId="Run"/> or
// click the <icon src="AllIcons.Actions.Execute"/> icon in the gutter.
public class Main {
    public static void main(String[] args) {

        //these are the accepted coupon codes
        String[] couponCodes = {"25OFF", "50OFF", "75OFF", "100OFF"};

        //get username
        System.out.println("Please enter your username: ");
        Scanner scanner = new Scanner(System.in);
        String username = scanner.next();

        //get budget
        System.out.println("Please enter your budget: ");
        double budget = scanner.nextDouble();

        //get coupon code
        System.out.println("Please enter your coupon code: ");
        String couponCode = scanner.next();

        //instantiate objects so we can use their methods
        RandomGenerations randomItem = new RandomGenerations();
        PriceCalculations calculatePrice = new PriceCalculations();
        CouponChecker coupon = new CouponChecker();
        ConsolePrint output = new ConsolePrint();


        //generate random values for discount, fee and rates
        boolean isDiscount = randomItem.discount();
        double fee = randomItem.fee();
        double taxRate = randomItem.tax();
        double discountRate = randomItem.tax();

        //generate random item IDs
        int itemSelectionOne = randomItem.item();
        int itemSelectionTwo = randomItem.item();
        int itemSelectionThree = randomItem.item();

        //generate random items mapped from ID's
        StoreItem item1 = new StoreItem(itemSelectionOne, randomItem.prices());
        StoreItem item2 = new StoreItem(itemSelectionTwo, randomItem.prices());
        StoreItem item3 = new StoreItem(itemSelectionThree, randomItem.prices());

        //store item prices in an array to use with subtotal method
        double[] itemPrices = {item1.getPrice(), item2.getPrice(), item3.getPrice()};

        //calculate sum of item prices
        double subTotal = calculatePrice.subtotal(itemPrices);

        //calculate price after incorporating fee/lucky discount, tax, etc..
        double subFinalTotal = calculatePrice.finalTotal(subTotal, isDiscount, fee, taxRate, discountRate);

        //generate random visitID
        int visitID = randomItem.visitIDGen();

        //generate receiptCode
        String fullReceiptCode = randomItem.receiptCode(username, visitID);

        //check whether coupon is valid
        boolean isValidCoupon = coupon.couponCheck(couponCodes, couponCode);

        //if coupon is valid, assigns the discount value
        int discountVal = coupon.discountRate(isValidCoupon, couponCodes, couponCode);

        //calculate final total after all coupons, taxes, fees, etc. applied
        double finalTotal = coupon.applyCoupon(isValidCoupon, subFinalTotal, discountVal);

        //moved all print statements and print logic into a class called console print
        //method print results takes all of these values we found and prints formatted info to console
        output.printResults(visitID, fullReceiptCode, item1, item2,
                item3, subTotal, taxRate, isDiscount, discountRate,
                fee, isValidCoupon, couponCode, discountVal, finalTotal, budget);

    }
}