// F.T. Liu
// Example program from comp 1672
// Implementation of Employee class
// This class is our first example of a class that dynamically allocates memory

#include <iostream>
#include "employee.h"
using namespace std;

// default constructor
Employee::Employee()
    :myFirstName(0), myLastName(0), myWage(0)
{
}

// constructor for setting values
Employee::Employee(const char *firstname, const char *lastname, float wage)
    :myFirstName(0), myLastName(0), myWage(0)
{
    myFirstName = new char[strlen(firstname)+1];
    strcpy(myFirstName, firstname);
    myLastName = new char[strlen(lastname)+1];
    strcpy(myLastName, lastname);
    if (wage >=0) myWage = wage;
}

// destructor
Employee::~Employee()
{
    if (myFirstName) delete myFirstName;
    if (myLastName) delete myFirstName;
    myWage = 0;
}

// copy constructor
Employee::Employee(const Employee &copy)   // copy constructor
{
    // implement this for homework
}

// assignment operator
const Employee &Employee::operator=(const Employee &rhs)
{
    // implement this for homework
}

void Employee::display() const
{
    cout << myFirstName << " " << myLastName << ": " << myWage;
}

// accessor function for the first name
const char * Employee::firstname() const
{
    return myFirstName;
}

// accessor function for the last name
const char * Employee::lastname() const
{
    return myLastName;
}

// accessor function for the wage
float Employee::wage() const
{
    return myWage;
}

// set function for the first name
void Employee::firstname(const char *fn)
{
    if (myFirstName) delete myFirstName;
    myFirstName = new char[strlen(fn)+1];
    strcpy(myFirstName, fn);
    
}

// set function for the last name
void Employee::lastname(const char *ln)
{
    if (myLastName) delete myLastName;
    myLastName = new char[strlen(ln)+1];
    strcpy(myLastName, ln);
}

// set function for the wage
void Employee::wage(float w)
{
    if (w>=0) myWage = w;
}