#include <iostream>
#include <string>
#include <cstdlib>
#include <fstream>
#include <fstream>

using namespace std;

class DayofYear
{
    int day;
    string month;
public:
    DayofYear(ofstream &outfile)
    {
        cout << endl;
        cout << "Enter Day to Convert to Date:" << endl;
        cin >> day;

        convertDay(outfile);
    }



    void setDay(int);
    void setMonth(string);
    string getMonth() const;
    int getDay() const;
    void monthOverload(int, string);


    DayofYear &operator++();
    DayofYear operator++(int);
    DayofYear &operator--();
    DayofYear operator--(int);


    void convertDay(ofstream&);
};

void DayofYear::monthOverload(int d, string m)
    {

            if(m == "January")
            {
                if(d >= 31)
                {
                month = "February";
                day=1;
                }
                else
                if(d==0)
                {
                    month="December";
                    day=31;
                }
                else
                return;
            }
        else
            if(m == "February")
            {
            if(d >= 28)
            {
                month= "March";
                day = 1;
            }
                else
                if(d==0)
                {
                    month="January";
                    day=31;
                }
                else
                return;
            }

        else
            if(m == "March")
            {
                if  (d >= 31)
            {
                month = "April";
                day = 1;
            }
                else
                if(d==0)
                {
                    month="February";
                    day=28;
                }
                else
                return;
            }


        else
            if(m == "April")
            {
                if(d >= 30)
            {
               month = "May";
               day = 1;
            }
                else
                if(d==0)
                {
                    month = "March";
                    day = 31;
                }
                else
                    return;
            }
        else
            if(m == "May")
            {
                if(d >= 31)
            {
                month="June";
                day =1;
            }
                else
                if(d==0)
                {
                    month="April";
                    day = 30;
                }
                else
                    return;
            }
        else
            if(m == "June")
            {
                if(d >= 30)
    {
        month="July";
        day =1;
    }
        else
            if(day==0)
        {
            month = "May";
            day = 31;
        }
        else
            return;
            }
        else
            if(m == "July")
        {
            if(d >= 31)
        {
            month = "August";
            day = 1;
        }
            else
            if(day==0)
            {
                month="June";
                day=30;
            }
            else
                return;
        }
        else
            if(m == "August")
            {
                if(d >= 31)
          {
              month = "September";
              day = 1;
          }
          if(d==0)
          {
              month="July";
              day=31;

          }
          else
            return;
            }
        else
            if(m == "September")
            {
                if (d >= 30)
            {
                month = "October";
                day =1;
            }
            else
            if(day==0)
            {
                month="August";
                day= 31;
            }
            else
                return;
            }
        else
            if(m == "October")
            {
                if(d >= 31)
            {
                month = "November";
                day =1;
            }

            else
                if(d==0)
            {
                month="September";
                day=30;
            }
            else
                return;
            }
        else
            if(m == "November")
            {
            if(d >= 30)
            {
                month= "December";
                day =1;
            }
            else
                if(day==0)
            {
                month="October";
                day= 31;
            }
            else
                return;
            }
        else
            if(m == "December" )
            {
            if(d >= 31)
            {
                month = "January";
                day =1;
            }
            else
                if(day==0)
            {
                month="November";
                day=30;
            }
            else
                return;
            }
        else
            return;
        }

DayofYear& DayofYear::operator++()
{

		this->day++;
        monthOverload(day, month);

	return *this;
}

DayofYear DayofYear::operator++(int)
{

	operator++();



	return *this;
}

DayofYear& DayofYear::operator--()
{
    this->day--;
    monthOverload(day, month);
	return *this;
}

DayofYear DayofYear::operator--(int)
{

	operator--();


	return *this;
}

void DayofYear::setDay(int d)
{
    day = d;
    return;
}

void DayofYear::setMonth(string m)
{
    month = m;
    return;
}

string DayofYear::getMonth() const
{
    return month;
}

int DayofYear::getDay() const
{
    return day;
}

void DayofYear::convertDay(ofstream &outfile)
{
    if(day > 1 && day <= 31)
    {
        month="January";
        outfile << month << " " << day << endl;
    }
    else
        if(day >31 && day<=59)
    {
        month="February";
        outfile << month << " " << day-31 << endl;
    }
    else
        if(day > 59 && day <= 90)
    {
        month="March";
        outfile << month << " " << day -59 << endl;
    }
    else
        if(day > 90 && day <= 120)
    {
        month = "April";
        outfile << month << " " << day- 90 << endl;
    }
    else
        if(day > 120 && day <= 151)
    {
        month ="May";
        outfile << month << " " << day- 120 << endl;
    }
    else
        if(day > 151 && day <= 181)
    {
        month ="June";
        outfile << month << " " << day - 151 << endl;
    }
    else
        if(day > 181 && day <= 212)
    {
        month = "July";
        outfile << month << " " << day- 181<< endl;
    }
    else
        if(day > 212 && day <= 243)
    {
        month = "August";
        outfile << month << " " << day- 212<< endl;
    }
    else
        if(day > 243 && day <= 273)
    {
        month="September";
        outfile << month << " " << day- 243<< endl;
    }
    else
        if(day > 273 && day <= 304)
    {
        month = "October";
        outfile << month << " " << day- 273<< endl;
    }
    else
        if(day > 304 && day <= 334)
    {
        month = "November";
        outfile << month << " " << day- 304<< endl;
    }
    else
        if(day > 334 && day<= 365)
    {
        month="December";
        outfile << month << " " << day-334<< endl;
    }
    else
    {
        outfile << "Entry does not correspond to Month and Day" << endl;
    }

    return;
}



int main()
{
    ofstream outfile("c:\\USERS\\student\\desktop\\outfile.txt");
    DayofYear dayYear(outfile);
    int d;
    string m;

        dayYear= DayofYear(outfile);


    cout << "Enter:" << endl;
    cout << "month: " ;
    cin >> m;
    cout << "day: " ;
    cin >> d;
    cout << endl;


    dayYear.setDay(d);
    dayYear.setMonth(m);

    outfile << endl;

    outfile << "Before Overloading" << endl;
    outfile << dayYear.getMonth() << " " << dayYear.getDay() << endl;

    dayYear++;



    outfile << endl;
    outfile<< "After Overloading Operator++" << endl;
    outfile<< dayYear.getMonth() << " " << dayYear.getDay() << endl;

    dayYear--;



    outfile << endl;
    outfile << "After Overloading Operator--" << endl;
    outfile << dayYear.getMonth() << " " << dayYear.getDay() << endl;


    return 0;
}