// pgm38
// 12/7/16 class example
// Payroll Program
// Nested Classes and functions

#include <iostream>
#include <iomanip>
using namespace std;

// Class Declaration -- like a blueprint NO MEMORY is allocated
// this creates a new user defined Data Type
class PersonName {
    public:
        string first;
        char middleinit;
        string last;
};

class Address {
    public:
        int housenumber;
        string street;
        string city;
        string state;
        int zipcode;
};

class Employee {
   public:
       PersonName name;
       Address a;
       double hours;
       double rate;
       int idnum;
};

// prototypes
void readEmployee(Employee&);
void displayEmployee(Employee);
double calcPay(Employee);

int main()
{
   // instantiate objects of type Employee
   Employee emp1, emp2;
   double pay;

   readEmployee(emp1);
   displayEmployee(emp1);
   pay = calcPay(emp1);
   cout << "Pay for emp1 is: " << pay << endl;
   readEmployee(emp2);
   displayEmployee(emp2);
   pay = calcPay(emp2);
   cout << "Pay for emp2 is: " << pay << endl;

   return 0;
}

// display all of the info of an Employee object
void displayEmployee(Employee emp1)
{
   cout << "Name: " << emp1.name.first << ' '
        << emp1.name.last << "\nHours: " << emp1.hours << "\nRate: "
   << emp1.rate << "\nidnum: " << emp1.idnum << endl;
   cout << "Address: " << emp1.a.housenumber
        << ' ' << emp1.a.street << ' ' << emp1.a.city
        << endl;
}

// read in data members for an Employee object
void readEmployee(Employee& emp1)
{
   cout << "Enter an id number of an employee: ";
   cin >> emp1.idnum;
   cout << "Enter hours and rate: ";
   cin >> emp1.hours >> emp1.rate;
   cout << "enter first name: ";
   cin >> emp1.name.first;
   cout << "enter last name: ";
   cin >> emp1.name.last;
   cout << "enter middle initial: ";
   cin >> emp1.name.middleinit;
   // read in address also
   cout << "Enter house number: ";
   cin >> emp1.a.housenumber;
   cout << "Enter street: ";
   cin >> emp1.a.street;
   cout << "Enter city: ";
   cin >> emp1.a.city;
   // do this for all members
}

// this function calculates the pay for an Employee
// and returns the pay
double calcPay(Employee emp)
{
    double pay;
    pay = emp.hours * emp.rate;
    return pay;
}