import java.util.Scanner;
/**
 * 2PayStub class is part of Lab 3 and
 * creates a simple pay stub.
 *
 * @author Elizabeth Gibson
 * @version September 19, 2017
 */
public class PayStub
{
    public static final double OVERTIME_FACTOR = 1.5;
    public static final double SOCIAL_WITHHOLDING = .10;
    public static final double FEDERAL_TAX = .20;
    private String employeeName;
    private String ssN;
    private int hours;
    private int overTime;
    private double payRate;
    private double regularPay;
    private double overTimePay;
    private double overTimeRate;
    private double grossPay;
    private double ssW;
    private double fedTax;
    private double netPay;
    private double margeHourlyRate;
    private double margeGrossPay;

    /**
     * It all starts with the main method.
     *
     * @param args Command-line arguments.
     */
    public static void main(String[] args)
    {
        Scanner reader = new Scanner(System.in);

        PayStub homer = new PayStub(reader);
        PayStub marge = new PayStub(reader);
        PayStub lisa = new PayStub(reader);
    }

    /**
     * Constructor.
     *
     * @param keyboard Scanner object.
     */
    public PayStub(Scanner keyboard)
    {
        getInput(keyboard);
        keyboard.nextLine();
        calculate();
        printPayStub();
    }

    /**
     * Accessor for overTime.
     */
    public int getoverTime()
    {
        return overTime;
    }

    /**
     * Accessor for grossPay.
     */
    public double getgrossPay()
    {
        return grossPay;
    }

    /**
     * Mutator for overTime.
     *
     * @param newValue Set the object's value to the supplied value.
     */
    public void setoverTime(int newValue)
    {
        if (newValue >= 0)
        {
            overTime = newValue;
            calculate();
        }
    }

    /**
     * Mutator for payRate.
     *
     * @param newValue1 Set the object's value to the supplied value.
     */
    public void setpayRate(double newValue)
    {
        if (newValue >= 0)
        {
            payRate = newValue;
            calculate();
        }
    }

    /**
     * Get input from the user.
     *
     * @param keyboard Scanner object.
     */
    private void getInput(Scanner keyboard)
    {
        //get employee's name
        System.out.print("Enter employee name: ");
        employeeName = keyboard.nextLine();

        //employee social security number
        System.out.print("Enter employee SSN: ");
        ssN = keyboard.nextLine();

        //employee's regular not overtime hours worked
        System.out.print("Enter number of regular hours: ");
        hours = keyboard.nextInt();

        //overtime hours worked
        System.out.print("Enter number of overtime hours: ");
        overTime = keyboard.nextInt();

        //hourly payRate
        System.out.print("Enter hourly pay rate: ");
        payRate = keyboard.nextDouble();

        System.out.printf("New gross pay: $%-8.2f\n", getmargeGrossPay());

    }

    /**
     * This function separates the calculations from the interface.
     */
    private void calculate()
    {
        regularPay = hours * payRate;

        overTimeRate = payRate * OVERTIME_FACTOR;

        overTimePay = overTime * overTimeRate;

        grossPay = regularPay + overTimePay;

        ssW = SOCIAL_WITHHOLDING * grossPay;

        fedTax = FEDERAL_TAX * (grossPay - ssW);

        netPay = grossPay - (ssW + fedTax);
    }

    /**
     * Print out the calculated pay stub.
     * This method should only be called after the calculate method.
     */
    private void printPayStub()
    {
        System.out.println("____________________________________"
                        + "_________________________________________");

        String format = "Name: %-37s SSN: %-11s\n";
        System.out.printf(format, employeeName, ssN);

        String format1 = "Regular Hours: %-8d Reg Rate: $%-8.2f"
                       + " Reg Pay: $%-8.2f\n";
        System.out.printf(format1, hours, payRate, regularPay);

        String format2 = "Overtime Hours: %-8d"
                + "OT Rate: $%-9.2f OT Pay: $%-8.2f\n";
        System.out.printf(format2, overTime, overTimeRate, overTimePay);

        String format3 = "Gross Pay: $%-8.2f\n";
        System.out.printf(format3, grossPay);

        String format4 = "SS Withholding: $%-8.2f\n";
        System.out.printf(format4, ssW);

        String format5 = "Federal Tax: $%-8.2f\n";
        System.out.printf(format5, fedTax);

        String format6 = "Net Pay: $%-8.2f\n";
        System.out.printf(format6, netPay);


        System.out.print("____________________________________"
                        + "_________________________________________\n");

        }

    }