// Fig. 13.18: HourlyEmployee.cpp
// HourlyEmployee class member-function definitions.
#include <iostream>
using std::cout;

#include "HourlyEmployee.h" // HourlyEmployee class definition

// constructor
HourlyEmployee::HourlyEmployee( const string &first, const string &last, 
   const string &ssn, double hourlyWage, double hoursWorked )
   : Employee( first, last, ssn )   
{
   setWage( hourlyWage ); // validate hourly wage
   setHours( hoursWorked ); // validate hours worked
} // end HourlyEmployee constructor

// set wage
void HourlyEmployee::setWage( double hourlyWage ) 
{ 
   wage = ( hourlyWage < 0.0 ? 0.0 : hourlyWage ); 
} // end function setWage

// return wage
double HourlyEmployee::getWage() const
{
   return wage;
} // end function getWage

// set hours worked
void HourlyEmployee::setHours( double hoursWorked )
{ 
   hours = ( ( ( hoursWorked >= 0.0 ) && ( hoursWorked <= 168.0 ) ) ?
      hoursWorked : 0.0 );
} // end function setHours

// return hours worked
double HourlyEmployee::getHours() const
{
   return hours;
} // end function getHours

// calculate earnings;
// override pure virtual function earnings in Employee
double HourlyEmployee::earnings() const 
{ 
   if ( getHours() <= 40 ) // no overtime
      return getWage() * getHours();
   else               
      return 40 * getWage() + ( ( getHours() - 40 ) * getWage() * 1.5 );
} // end function earnings

// print HourlyEmployee's information 
void HourlyEmployee::print() const
{
   cout << "hourly employee: ";
   Employee::print(); // code reuse
   cout << "\nhourly wage: " << getWage() << 
      "; hours worked: " << getHours();
} // end function print

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