/**
 * Representation of an hourly employee.
 * An hourly employee has a pay rate and hours worked in a week
 * @author Hal Perkins
 * @version CSE143 Sp03 lecture example
 */
public class HourlyEmployee extends Employee {
  
  // additional instance variables
  private double payRate;            // employee hourly pay in dollars
  private double hoursWorked;        // hours worked in the current week
  
  /**
   * Construct a new hourly employee with the give name, id number, and pay,
   * and with zero hours worked in the current week
   * @param name Employee's name
   * @param id   Employee's id number
   * @param pay  Employee's hourly pay rate in dollars
   */
  public HourlyEmployee(String name, int id, double pay) {
    super(name, id);
    payRate = pay;
    hoursWorked = 0.0;
  }
  
  /**
   * Reset the hours worked by this employee to 0
   */
  public void resetHours() {
    hoursWorked = 0.0;
  }
  
  /**
   * Add the given time to this employee's hours worked
   * @param newHours Additional hours worked by this employee during the current week
   */
  public void addHours(double newHours) {
    hoursWorked = hoursWorked + newHours;
  }
  
  
  /**
   * Return the pay earned by this employee.  Pay is calculated at the regular
   * rate for the first 40 hours, plus 1.5 times the regular rate for additional hours.
   * @return Employee's pay for the current pay period
   */
  public double getPay() {
    if (hoursWorked <= 40.0) {
      return payRate * hoursWorked;
    } else {
      return payRate*40.0 + 1.5*payRate*(hoursWorked-40.0);
    }
  }
  
  /**
   * @return a string representation of this hourly employee
   */
  public String toString() {
    return "HourlyEmployee(name = " + getName() + ", id = " + getId() +
      ", hourly pay = " + payRate + ", hours worked = " + hoursWorked + ")";
  }
  
}