Savvas_With_Methods

import java.util.Scanner;

public class Main {

    private static final Scanner in = new Scanner(System.in);

    public static void main(String[] args) {
        Main myApp = new Main();

        System.out.println("Please enter the expected time of the flight");
        int expectedTime = in.nextInt();

        System.out.println("Please enter the real time of the flight");
        int finalTime = in.nextInt();

        int acceptedDelay = myApp.acceptedDelayCalculation(expectedTime);

        String result = myApp.delayCalculation(expectedTime, acceptedDelay, finalTime);

        System.out.printf("The time delay is : %s", result);
    }

    private String delayCalculation (int expectedTime, int acceptedDelay, int finalTime){
        String returnValue;
        if (finalTime + acceptedDelay < expectedTime ) {
            returnValue = "SMALL";
        } else if (finalTime - acceptedDelay > expectedTime) {
            returnValue = "BIG";
        } else {
            returnValue = "GOOD";
        }
        return returnValue;
    }

    private int acceptedDelayCalculation(int expectedTime) {
        int returnValue = 0;
        if (expectedTime < 0) {
            System.out.println("Please enter a proper amount");
            acceptedDelayCalculation(expectedTime);
        } else if (expectedTime < 30) {
            returnValue = 1;
        } else if (expectedTime < 60) {
            returnValue = 2;
        } else if (expectedTime < 90) {
            returnValue = 3;
        } else if (expectedTime < 120) {
            returnValue = 4;
        } else if (expectedTime < 180) {
            returnValue = 6;
        } else if (expectedTime < 240) {
            returnValue = 8;
        } else if (expectedTime < 360) {
            returnValue = 13;
        } else  {
            returnValue = 17;
        }
        return returnValue;
    }
}