// Fig. 10.28: Employee.cpp
// Class Employee member-function definitions.
#include <fmt/format.h> 
#include <string> 
#include "CompensationModel.h"
#include "Employee.h" 

// constructor performs "constructor injection" to initialize  
// the CompensationModel pointer to a CompensationModel implementation 
Employee::Employee(std::string_view name, CompensationModel* modelPtr)
   : m_name{name}, m_modelPtr{modelPtr} {}

// set function performs "property injection" to change the   
// CompensationModel pointer to a new CompensationModel implementation 
void Employee::setCompensationModel(CompensationModel* modelPtr) {
   m_modelPtr = modelPtr;
}

// use the CompensationModel to calculate the Employee's earnings
double Employee::earnings() const {
   return m_modelPtr->earnings();
}; 

// return string representation of Employee object        
std::string Employee::toString() const {                       
   return fmt::format("{}\n{}", m_name, m_modelPtr->toString());
}                    

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