#include<iostream.h>
#include<conio.h>
#include<string.h>


class Date
{

public:
  void setDate();
  void printDate();
  int getyear();
  int getmonth();
  int getday();

private:
  int month;
  int day;
  int year;
  int checkDay( int ) const;

};


  void Date::setDate()
  {
  int mn,yr,dy;

  cout<<"Enter Month:";
  cin>>mn;

     if ( mn > 0 && mn <= 12 )  // validate the month
     month = mn;

     else
     {                     // invalid month set to 1
     month = 1;
     cout << "Month " << mn << " invalid. Set to month 1.\n";
     }

  cout<<"Enter Year:";
  cin>>yr;

     if ( yr> 1970 && yr<=2009 )
     year = yr;

     else
     {
     year= 1990;
     cout<< "Year "<< yr << " invalid. Set to year 1990.\n";
     }

  cout<<"Enter Day:";
  cin>>dy;
	      // should validate yr
  day = checkDay( dy );      // validate the day
  cout << endl;

}

int Date::getyear()
{
return year;
}
int Date::getmonth()
{
return month;
}
int Date::getday()
{
return day;
}


  void Date::printDate()
  {
	switch(month)
	{
	case 1:
	      cout<<"January ";
	      break;
	case 2:
	      cout<<"February ";
	      break;
	case 3:
	      cout<<"March ";
	      break;
	case 4:
	      cout<<"April ";
	      break;
	case 5:
	      cout<<"May ";
	      break;
	case 6:
	      cout<<"June ";
	      break;
	case 7:
	     cout<<"July ";
	     break;
	case 8:
	     cout<<"August ";
	     break;
	case 9:
	     cout<<"September ";
	     break;
	case 10:
	     cout<<"October ";
	     break;
	case 11:
	     cout<<"November ";
	     break;
	case 12:
	     cout<<"December ";
	     break;
    }//end switch

  cout << day <<", "<< year << endl;

}




  int Date::checkDay( int testDay ) const
  {
   static const int daysPerMonth[ 13 ] =
	   { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };


  if ( testDay > 0 && testDay <= daysPerMonth[ month ] )
       return testDay;


  if ( month == 2 && testDay == 29 && ( year % 400 == 0
	  || ( year % 4 == 0  && year % 100 != 0  ) ) )
	     return testDay;

  cout << "Day " << testDay << " invalid. Set to day 1.\n";

  return 1;  // leave object in consistent state if bad value

 } // end function checkDay

class Person
{
char Fname[15];
char Lname[15];


public:
  Date dob;

  void setFname()
  {
  cout<<"Enter First Name:";
  cin>>Fname;

  }

  char* getFname()
  {
  return Fname;
  }

  void setLname()
  {
  cout<<"Enter Last Name:";
  cin>>Lname;
  cout<<endl;
  }

  char* getLname()
  {
  return Lname;
  }

  void setdob()
  {
  cout<<"Enter Date of Birth:";
  cout<<endl;
  dob.setDate();
  }

  void printPerson()
  {
  cout<<Fname<<" "<<Lname<<endl;
  cout<<"Date of Birth is:";
  dob.printDate();
  cout<<endl;
  }

};

class Address
{
 int housenum;
 int streetnum;
 char city[15];
 char country[20];

public:

 void sethousenum()
 {
 cout<<"Enter house No:";
 cin>>housenum;
 }

 int gethousenum()
 {
 return housenum;
 }

 void setstreetnum()
 {
 cout<<"Enter Street No:";
 cin>>streetnum;
 }

 int getstreetnum()
 {
 return streetnum;
 }

 void setcity()
 {
 cout<<"Enter City name:";
 cin>>city;
 }

 char* getcity()
 {
 return city;
 }

 void setcountry()
 {
 cout<<"Enter Country name:";
 cin>>country;
 }

 char* getcountry()
 {
 return country;
 }

 void printaddress()
 {
 cout<<"Street No.is:"<<getstreetnum()<<endl<<"House No.is:"<<gethousenum()<<endl;
 cout<<"City:"<<city<<endl<<"Country:"<<country<<endl;
 }

};

class Contact
{

Address Haddress;
Address Oaddress;
unsigned long Pno;
unsigned long Mno;

public:
Person person;
 Contact()
 {
 Pno=0;
 Mno=0;
 }

 void setpersonalinfo()
 {
 person.setFname();
 person.setLname();
 person.setdob();
 }

 void setHaddress()
 {
 cout<<"Enter Home Address"<<endl;
 Haddress.sethousenum();
 Haddress.setstreetnum();
 Haddress.setcity();
 Haddress.setcountry();
 cout<<endl;
 }

 void setOaddress()
 {
 cout<<"Enter Office Address:"<<endl;
 Oaddress.sethousenum();
 Oaddress.setstreetnum();
 Oaddress.setcity();
 Oaddress.setcountry();
 }

 void setPno()
 {
 cout<<endl;
 cout<<"Enter Phone No:";
 cin>>Pno;
 }

 int getPno()
 {
 return Pno;
 }

 void setMno()
 {
 cout<<"Enter Mobile No:";
 cin>>Mno;
 }

 int getMno()
 {
 return Mno;
 }

 void printContact()
 {

 person.printPerson();
 cout<<"Home Address"<<endl;
 Haddress.printaddress();
 cout<<endl;
 cout<<endl<<"Office Address"<<endl;
 Oaddress.printaddress();
 cout<<endl;
 cout<<"Phone Number is:"<<getPno()<<endl;
 cout<<"Mobile Number is:"<<getMno()<<endl;
 cout<<endl;

 }

};

class Addressbook
{
public:
Contact contact[3];
void addcontact()
 {
	for (int j=0;j<3;j++)
	{
	 contact[j].setpersonalinfo();
	 contact[j].setHaddress();
	 contact[j].setOaddress();
	 contact[j].setPno();
	 contact[j].setMno();
	 clrscr(); }
	 cout<<endl;
	 cout<<endl;
 }

 void print()
 { clrscr();
	for (int j=0; j<3; j++)
	{
	cout<<"CONTACT no is:"<<j+1<<endl;
	contact[j].printContact();
	cout<<endl;
	}
	cout<<endl;
 }

 void bynameprint()
 
{

 int x;

 cout<<"\n\tContact by first name:";
 for(int i=0;i<3;i++)
  {
  cout<<"\n\tContact:"<<i<<"\n\n";
  x=strcmp(contact[i].person.getFname(),contact[i+1].person.getFname());
  if (x>0)
    { contact[i].printContact();}
  else
    { contact[i+1].printContact();}
  }

}

 void sortcontactbydate()
 {
     for (int i=0; i<3; i++) // Sorting By Date
    {
	for(int j=0;j<3;j++)
	{
	    int first = contact[i].person.dob.getyear();
	    int second = contact[j].person.dob.getyear();
	    if(first==second)
	    {
		int third = contact[i].person.dob.getmonth();
		int fourth = contact[j].person.dob.getmonth();
		if(third==fourth)
		{
		    int fifth = contact[i].person.dob.getday();
		    int sixth = contact[j].person.dob.getday();
		    if(fifth<sixth)
		    {
			Contact temp =contact[i];
			contact[i]=contact[j];
			contact[j]=temp;
		    }

		}
		else if(third<fourth)
		{
		    Contact temp =contact[i];
		    contact[i]=contact[j];
		    contact[j]=temp;
		}
	    }
	    else if(first<second)
	    {
		    Contact temp =contact[i];
		    contact[i]=contact[j];
		    contact[j]=temp;
	    }
	}
    }

 }



};


  int main()
  {
	clrscr();
	int num;
	int ans;
	Addressbook addressbook;
	cout<<"WELCOME TO THE ADDRESSBOOK";
	cout<<endl;
	cout<<"Press 1 to ADD contacts";
	cin>>num;

	if (num==1)
	{
	addressbook.addcontact();
		{
		clrscr();
		cout<<"PRESS 1 TO PRINT CONTACTS BY DOB, 2 TO PRINT THEM BY NAME, 3 TO PRINT THEM AS THEY ARE";
		cin>>ans;
		if (ans==3)
		{
		addressbook.print();
		}
		if (ans==1)
		{
		addressbook.sortcontactbydate();
		addressbook.print();
		}
		}
		if (ans==2)
		{
		addressbook.bynameprint();
		addressbook.print();
		}

	}
	getch();
	return 0;
  }