#include <iostream>
#include <string>
using namespace std;
class DayTime {
private:
	int hour, minute, second;
public:
	DayTime() {
		hour = 0;
		minute = 0;
		second = 0;
	}

	DayTime(int h, int m, int s)
	{
		hour = h;
		minute = m;
		second = s;
	}
		int getHour() const {
		return hour;
	}
			int getMinute() const {
		return minute;
	}
				int getSecond() const {
		return second;
	}
	
	void DisplayTime() {
		cout << "HH: " << hour << endl << "MM: " << minute << endl << "SS: " << second << endl;
	}
	int asSeconds() const {
		return (3600 * hour + 60 * minute + second);
	}
	
	friend void operator <<(ostream& out, DayTime& h);
	friend void operator >>(istream& in, DayTime& h);
	friend void operator ++(DayTime &MainDayTime);
	friend void operator --(DayTime& MainDayTime2);
};

void operator >> (istream& in, DayTime& h) {
	cout << "Input hours ( 0 , 24 ): ";	
	in >> h.hour;

	cout << "Input minutes (0 , 60 ): ";	
	in >> h.minute;

	cout << "Input seconds ( 0 ,60 ): ";
	in >> h.second;
}

void operator << (ostream& out, DayTime& h) {
	out << "HH: " << h.hour << endl << "MM: " << h.minute << endl << "SS: " << h.second << endl;
}
void operator ++ (DayTime& MainDayTime) {
	MainDayTime.second++;
	if (MainDayTime.second >= 60) {
		MainDayTime.second = 0;
		MainDayTime.minute++;
	}
	if (MainDayTime.minute >= 60) {
		MainDayTime.minute = 0;
		MainDayTime.hour++;
	}
}
void operator -- (DayTime& MainDayTime2) {
	MainDayTime2.minute--;
	if (MainDayTime2.minute < 0) {
		MainDayTime2.minute = 59;
		MainDayTime2.hour--;
	}
}

// Class 'Dollar' for the program 2
class Dollar {
private:
	float currency, mktrate, offrate;

public:
	Dollar()
	{
		currency = 100;
		mktrate = 9000;
		offrate = 7000;
	}
	float getDollar()  
	{
		cout << endl<< "Currency: " << endl;
		return currency;
	}
	float  getMarketSoums() 
	{
		cout << "Markent currency: " << endl;
		return currency*mktrate;
	}
	float  getofficialSoums() {
		cout << "Official currency:" << endl;
		return currency*offrate;
	}
	void setRates() 
	{
		cout << "Enter current market rate: " << endl;
		cin >> mktrate;
		cout << "Enter current official rate: " << endl;
		cin >> offrate;
	}
	friend void operator<< (ostream &output, Dollar &p);
};

void  operator << (ostream &output, Dollar &p)
{
	output << "Details of a dollar " << endl;
	output << "Currency is " << p.currency <<endl<< "Market rate is " << p.mktrate<<endl;
	output << "Official rate is " << p.offrate << endl;
}

void showChoicesforMainMenu();
void showChoicesforMainMenu2();

int main()
{
	int choice;
	DayTime t2(25, 0, 0);
	int hour, minute, second;
	do
	{
		showChoicesforMainMenu();
		cin >> choice;
		switch (choice)
		{
			// for program 1
		case 1: {
			system("cls");
			int choice2;
			
			DayTime h1(10, 10, 10);
			DayTime h2;
			cin >> h2;
		
			showChoicesforMainMenu2();

			do {
				cin >> choice2;
				switch (choice2)
				{
				case 1:
					cout << h2;
					cout << endl << endl;
					cout << "Enter your choice: ";
					break;
				case 2:
					cout << h2.asSeconds() <<endl;
					cout << "Enter your choice: ";
					break;
				case 3:
					++h2;
				    h2.DisplayTime();
				    cout <<	h2.asSeconds();
					cout << endl << endl;
					cout << "Enter your choice: ";
					break;
				case 4:
					--h2;
					h2.DisplayTime();
					cout << endl << endl;
					cout << "Enter your choice: ";
					break;
				case 5:
					system("cls");
					main();
					break;
				default:
					system("cls");
					cout << "Invalid input! Try again." << endl;

				}

			} while (choice2 != 5);
			break;
		}
			// for program 2
		case 2: {
			system("cls");
			cout << "\t[2] Currency converter" << endl;
			Dollar money;
				cout << money.getDollar() << endl;
				cout << money.getMarketSoums() << endl;
				cout << money.getofficialSoums() << endl << endl;
				money.setRates();
				cout << money.getDollar() << endl;
				cout << money.getMarketSoums() << endl;
				cout << money.getofficialSoums() << endl;
				cout << "Overloading: " << endl << endl;
			
				cout << money;
		
		}
			  break;

		case 3: {}
			  break;
		default:
			cout << "Invalid input! Try again." << endl;
		}
	} while (choice != 3);

	return 0;
}

void showChoicesforMainMenu(){

	cout << endl << endl;
	cout << "\t\t\t   M A I N  M E N U" << endl;
	cout << "\t\t\t1: Day Time " << endl;
	cout << "\t\t\t2: Dollar & Soums" << endl;
	cout << "\t\t\t3: Exit " << endl;
	cout << "\t\t\tEnter your choice : ";
}
void showChoicesforMainMenu2() {
	cout << "\t[1] First program" << endl;
	cout << "\t\t\t   M A I N  M E N U 2" << endl;
	cout << "\t\t\t1. To Display Time." << endl;
	cout << "\t\t\t2. To Display Time in Seconds." << endl;
	cout << "\t\t\t3. To Increment seconds." << endl;
	cout << "\t\t\t4. To decrements minutes." << endl;
	cout << "\t\t\t5. Exit." << endl;
	cout << "\t\t\tEnter your choise : ";
}