CandyMachine.cpp

class cashRegister
{
    private:
	int cashOnHand;
    public:
	cashRegister();
	cashRegister(int cashIn);
	int getCurrentBalance();
	void acceptAmount(int amountIn);
};
class dispenserType
{
   private:
	int numberOfItems;
	int cost;
   public:
	dispenserType();
	dispenserType(int setNoOfItems, int setCost);
	int getNoOfItems();
	int getCost();
	void makeSale();
};
cashRegister::cashRegister()
{
	cashOnHand = 500;
}

cashRegister::cashRegister(int cashIn)
{
	cashOnHand = cashIn;
}

int cashRegister::getCurrentBalance() 
{
	return cashOnHand;
}
void cashRegister::acceptAmount(int amountIn)
{

	cashOnHand = cashOnHand + amountIn;
}
dispenserType::dispenserType()
{
	numberOfItems = 50;
	cost = 50;
}
dispenserType::dispenserType(int setNoOfItems, int setCost)
{
	numberOfItems = setNoOfItems;
	cost = setCost;
}
int dispenserType::getNoOfItems()
{
	return numberOfItems;
}
int dispenserType::getCost()
{
	return cost;
}
void dispenserType::makeSale()
{
	numberOfItems--;
}
#include <iostream.h>
#include<conio.h>
void showSelection();
void sellProduct(dispenserType& product, cashRegister& pCounter);
int main()
{       clrscr();
	cashRegister counter;
	dispenserType candy(100, 50);
	dispenserType chips(100, 65);
	dispenserType gum(75, 45);
	dispenserType cookies(50, 85);
	int choice;
	showSelection();
	cout<<"Enter choice:";
	cin >> choice;
	while (choice != 5)
	{
		switch (choice)
		{
			case 1:
				sellProduct(candy, counter);
				break;
			case 2:
				sellProduct(chips, counter);
				break;
			case 3:
				sellProduct(gum, counter);
				break;
			case 4:
				sellProduct(cookies, counter);
				break;
			default:
				cout << "Invalid selection." << endl;
		}
		showSelection();
		cin >> choice;
	}
	return 0;
}
void showSelection()
{
	cout << "*** Welcome to Candy Shop ***" << endl;
	cout << "To select an item, enter " << endl;
	cout << "1 for Candy" << endl;
	cout << "2 for Chips" << endl;
	cout << "3 for Gum" << endl;
	cout << "4 for Cookies" << endl;
	cout << "5 to exit" << endl;
}
void sellProduct(dispenserType& product, cashRegister& pCounter)
{
	int amount;
	int amount2;
	if (product.getNoOfItems() > 0) 
	{
		cout << "Please deposit " << product.getCost() << " cents:" << endl;
		cin >> amount;
		if (amount < product.getCost())
		{
			cout << "Please deposit another " << product.getCost()- amount << " cents:" << endl;
			cin >> amount2;
			amount = amount + amount2;
		}

		if (amount >= product.getCost())
		{
			pCounter.acceptAmount(amount);
			product.makeSale();
			cout << "Collect your item at the bottom and " << "enjoy." << endl;
		}

		else
			cout << "The amount is not enough. " << "Collect what you deposited." << endl;
		cout << "*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*" << endl << endl;
	}
	else
		cout << "Sorry, this item is sold out." << endl;
}