//46_47_Composition

//46_47_Composition
#include <iostream>
#include "Birthday.h"
#include "People.h"
using namespace std;

/* 1. CLASS can have an objects of another class
as it's member
   2. We'll store in People's class object from Birthday class
 */


int main()
{
Birthday biOb (06,30,1984);
People buckyOb ("Roma the King", biOb);
buckyOb.printInfo();
}
//------------------------------------------------------------------------
#ifndef BIRTHDAY_H
#define BIRTHDAY_H


class Birthday
{
    public:
        Birthday(int m, int d, int y);//we'll passing info to constructor
        /*we'll set a birthday when create a Birthday
         object*/
         void printDate();
    private:
        int month;
        int day;
        int year;
};

#endif // BIRTHDAY_H
//----------------------------------------------------------------------------
#include "Birthday.h"
#include <iostream>
using namespace std;
Birthday::Birthday(int m, int d, int y)
{
    month=m;
    day=d;
    year=y;
}
void Birthday::printDate(){
cout<<month<<"/*"<<day<<"/*"<<year;
}
//----------------------------------------------------------------------------------
#ifndef PEOPLE_H
#define PEOPLE_H
#include <string>//we gonna passing string variables
/*but i can't understand we set it's #include's here*/
#include "Birthday.h"/*as one of the members we gonna
                       use a Birthday object in this class*/
using namespace std;//why is it here?
class People
{
    public:
        People(string x, Birthday bo);//constructor create an object
        void printInfo();//print out information
    private:
        string name;
        Birthday dayOfBirth;//passing date of birth OBJECT not INT
};
#endif // PEOPLE_H
//-------------------------------------------------------------------
#include "People.h"
#include <iostream>
#include "Birthday.h"
using namespace std;

People::People(string x, Birthday bo)//we need to assign a name and the birth
/* every time you work with class
inside another class you need to use
a member initializer list*/
:name (x), dayOfBirth(bo)//will take a string and set it equal to name
                          //and take birthday obj and set it equal to dateOfBirth
{
}

void People::printInfo(){
cout<<"Name: "<<name;
dayOfBirth.printDate();
}