In C++ using visual studio. How to separate this code witha a header file " dayType" and main.cpp file. which code should stay in the main.cpp file and which should stay on the dayType.h file? How do I code this? can you explain step by step.please?

#include

#include

using namespace std;

class dayType {

public:

void print() const;

void setDay(string day);

int getPrevDay();

int getNextDay();

void randDay(int num);

dayType();

dayType(string day);

private:

int num;

string today;

string prevDay;

string nextDay;

};

void dayType::print() const

{

cout<< "Today is: "<< today <

}

void dayType::setDay(string day)

{

if ((day == "Monday") || (day == "monday"))

{

num=0;

today=day;

}

else if ((day == "Tuesday") || (day == "tuesday"))

{

num=1;

today=day;

}

else if ((day == "Wednesday") || (day == "wednesday"))

{

num=2;

today=day;

}

else if ((day == "Thursday") || (day == "thursday"))

{

num=3;

today=day;

}

else if ((day == "Friday") || (day == "friday"))

{

num=4;

today=day;

}

else if ((day == "Saturday") || (day == "saturday"))

{

num=5;

today=day;

}

else if ((day == "Sunday") || (day == "sunday"))

{

num=6;

today=day;

}

else

cout<<"Not a valid day. "<

}

int dayType::getPrevDay()

{

num--;

return num;

}

int dayType::getNextDay()

{

num++;

return num;

}

//Defaultconstructor

dayType::dayType()

{

today = "";

}

//Constructorwithparameters

dayType::dayType(string day)

{

string today;

day = today;

}

void randDay(int num)

{

int random, add;

cout << "How many days would you like to add to the current day? ";

cin >> add;

if (add > 6)

{

random = num + add / 7;

}

else

random = num + add;

if (random==0)

{

cout << "In " << add << " days, it will be " << "Sunday";

}

else if (random==1)

{

cout << "In " << add << " days, it will be " << "Monday";

}

else if (random==2)

{

cout << "In " << add << " days, it will be " << "Tuesday";

}

else if (random==3)

{

cout << "In " << add << " days, it will be " << "Wednesday";

}

else if (random ==4)

{

cout << "In " << add << " days, it will be " << "Thursday";

}

else if (random == 5)

{

cout << "In " << add << " days, it will be " << "Friday";

}

else

cout << "In " << add << " days, it will be " << "Saturday";

}

int main()

{

string today;

int dayNum, numDay, newNum;

cout << "Enter the current day of the week: ";

cin >> today;

dayType week;

week.setDay(today);

dayNum = week.getPrevDay();

numDay = week.getNextDay();

newNum = week.getNextDay();

cout<<"Yesterday was: ";

if (dayNum==0)

{

cout<< "Monday" << endl;

}

else if (dayNum==1)

{

cout<< "Tuesday" << endl;

}

else if (dayNum==2)

{

cout<< "Wednesday" << endl;

}

else if (dayNum==3)

{

cout << "Thursday" << endl;

}

else if (dayNum ==4)

{

cout << "Friday" << endl;

}

else if (dayNum == 5)

{

cout << "Saturday" << endl;

}

else

cout << "Sunday" << endl;

week.print();

cout<<"Tomorrow is: ";

if (numDay==0)

{

cout<< "Tuesday" << endl;

}

else if (numDay==1)

{

cout<< "Wednesday" << endl;

}

else if (numDay==2)

{

cout<< "Thursday" << endl;

}

else if (numDay==3)

{

cout << "Friday" << endl;

}

else if (numDay ==4)

{

cout << "Saturday" << endl;

}

else if (numDay == 5)

{

cout << "Sunday" << endl;

}

else

cout << "Monday" << endl;

randDay(newNum);

return 0;

}