//  File: Paymaster2.java

//  Version 2 of the PayCheck class shows the two-alternative "if" statement.
import javax.swing.JOptionPane;

/**
 * Computes gross pay for an hourly worker, given hours worked, and rate of pay.
 */
class PayCheck2 
{
    //instance var's
    private String name;	// employee name
    private double hoursWorked;	// total hours worked for the week
    private double payRate;	// hourly rate of pay
    private double regHours;	// hours worked up to MAX_REGULAR
    private double overHours;	// overtime hours worked
    private double regPay;	// pay for "regular" hours worked
    private double overPay;	// pay for overtime hours worked
    private double grossPay;	// computed total pay
    
    private static final int MAX_REGULAR = 40;	
    // hours worked in excess of this are overtime
    
    /**
     * Create a PayCheck object.
     * @param name the employee name
     * @param hoursWorked the number of hours worked
     * @param payRate the hourly rate of pay
     */
    public PayCheck2(String name, double hoursWorked, double payRate) 
    {
        this.name = name;
        this.payRate = payRate;
        this.hoursWorked = hoursWorked;
        // call method to compute gross pay
        this.computeGrossPay();	
    }

    /**
     * Computes the gross pay
     */
    public void computeGrossPay()
    {
        if (hoursWorked <= MAX_REGULAR)     // no overtime...
        {
            regHours = hoursWorked;         // ...all hours are regular
            regPay = regHours * payRate;
        } 
        else                                // there was overtime...
        {
            regHours = MAX_REGULAR;         // ...the maximum regular hours

            // overtime hours are all hours in excess of the threshold
            overHours = hoursWorked - MAX_REGULAR;

            regPay = regHours * payRate;

            // pay "time and a half" the rate for the overtime hours worked
            overPay = overHours * (payRate * 1.5);
        }
        // in either case, gross pay is sum of regular + overtime pay
        grossPay = regPay + overPay;
    }

    /**
     * Returns the gross pay
     * @return the gross pay
     */
    public double getGross() 
    {
        return grossPay;
    }

    /**
     * Returns a String containing all the employee data.
     * @return all data for an employee
     */
    public String getData() 
    {
        String out = "Employee: " + name
                   + "\nTotal hours worked: " + hoursWorked
                   + String.format("%nHourly rate: $%.2f",payRate)
                   + "\n\nRegular hours worked: " + regHours
                   + String.format("%nRegular pay: $%.2f",regPay)
                   + "\n\nOvertime hours worked: " + overHours
                   + String.format("%nOvertime pay: $%.2f",overPay) ;
        return out ;
    }
}

public class PayMaster2
{
    public static void main(String[] args)
    {
        // get input data from user
        String name = JOptionPane.showInputDialog("Enter employee name:") ;
        String input = JOptionPane.showInputDialog("Enter hours worked:") ;
        double hours = Double.parseDouble(input);
        input = JOptionPane.showInputDialog("Enter hourly rate of pay:") ;
        double rate = Double.parseDouble(input) ;

        // create object using data entered
        PayCheck2 johnny = new PayCheck2(name, hours, rate) ;

        // print pay check info
        System.out.println(johnny.getData());

        // print gross pay
        System.out.printf("Gross pay: $%.2f%n",johnny.getGross()) ;
        System.exit(0) ;
    }
}

/*  sample output from 3 runs (no overtime, overtime, and "boundary value")

Employee: Carmine Notyourz
Total hours worked: 30.0
Hourly rate: $20.00

Regular hours worked: 30.0
Regular pay: $600.00

Overtime hours worked: 0.0
Overtime pay: $0.00
Gross pay: $600.00


Employee: Marge Inoverra
Total hours worked: 50.0
Hourly rate: $20.00

Regular hours worked: 40.0
Regular pay: $800.00

Overtime hours worked: 10.0
Overtime pay: $300.00
Gross pay: $1100.00


Employee: Paddy O'Furniture
Total hours worked: 40.0
Hourly rate: $15.00

Regular hours worked: 40.0
Regular pay: $600.00

Overtime hours worked: 0.0
Overtime pay: $0.00
Gross pay: $600.00

*/