ATM Machine Classes.cpp

/*
TITLE:		SIMPLE ATM MACHINE

PURPOSE:	Write a program that simulates as an atm machine

TASKS:		Create an account that has the ability to
				1) Check checking account balance
				2) Check savings account balance
				3) Make transfers between each account
				4) Make deposits into accounts
				5) Make withdrawals from accounts

AUTHOR:		Nadine E. Jerome

INSTRUCTIONS:
			Enter pin number '1234'
			Checkings Account Balance = 100
			Savings Account Balance = 600
*/

#include <iostream>
#include <string>

// FUNCTIONS
void menu();
void account(int option);

using namespace std;
string AccountType[] = {"", "CHECKINGS", "SAVINGS"};
string response;

int AccountDetails[] = {
	1234, // pin number
	100,  // checking account balance
	600,  // savings account balance
};

bool validatePin(int pin)
{
	if (pin == AccountDetails[0])
	{
		return true;
	}
	else
	{
		return false;
	}
}

bool proceed(string response)
{
	if (response == "y" || response == "Y")
	{
		return true;
	}
	else if (response == "n" || response == "N")
	{
		string exit;
		cout << "\n\n\n\t Thank you for banking with us.";
		cin >> exit;
		return false;
	}
}

class AccountSettings
{
private:
	int type;	 // account type
	int balance; // account balance
public:
	AccountSettings(int type)
	{
		// type 1 = checkings
		// type 2 = savings
		this->type = type;
		this->balance = AccountDetails[this->type];
	}
	int getWithdraw()
	{
		int withdrawAmount;
		cout << "Please enter amount to withdrawn:\n " << endl;
		cin >> withdrawAmount;

		// get account type
		if (withdrawAmount <= this->balance)
		{
			int AccountBalance = this->balance -= withdrawAmount;
			cout << "Dispensing... ";
			cout << "$" << withdrawAmount << endl;

			// update the account balance
			AccountDetails[this->type] = AccountBalance;
			getBalance();
		}
		else
		{
			cout << "Insufficent funds" << endl;
			getBalance();
		}

		return 0;
	}

	int getDeposit()
	{
		int depositAmount;
		cout << "Please enter an amount to deposit:\n"
			 << endl;
		cin >> depositAmount;

		int AccountBalance = this->balance += depositAmount;

		// update the account balance
		AccountDetails[this->type] = AccountBalance;

		cout << "\t$" << depositAmount << " was deposited into your account";
		getBalance();

		return 0;
	}

	int getTransfer()
	{
		int AmountTransfer;
		int TransferTo = this->type == 1 ? 2 : 1;

		cout << "Enter amount to transfer to your " << AccountType[TransferTo] << " account." << endl;
		cin >> AmountTransfer;

		if (AmountTransfer <= AccountDetails[this->type])
		{
			// update the current account balance in the selected account
			int NewBalance = this->balance -= AmountTransfer;
			AccountDetails[this->type] = NewBalance;

			// Set the new transfered amount to transfered account
			int TransferedAmount = AccountDetails[TransferTo] += AmountTransfer;
			AccountDetails[TransferTo] = TransferedAmount;

			cout << "$" << AmountTransfer << " has been transfered to your " << AccountType[TransferTo] << " account." << endl;
			getBalance();
		}
		else
		{
			cout << "Insuffient funds." << endl;
			getBalance();
		}

		return 0;
	}

	int getBalance()
	{
		string confirmBalance;
		// get the account type, and return balance
		cout << "Would you like to check your " << AccountType[this->type] << " account balance? (y/n)\n"
			 << endl;
		cin >> confirmBalance;
		if (confirmBalance == "y" || confirmBalance == "Y")
		{
			cout << "Your account balance is: $" << this->balance << endl;
		}

		cout << "\n\nWould you like to continue (y/n)?\n";
		cin >> response;

		if (proceed(response))
		{
			account(this->type); // return to account menu
		}

		return 0;
	}
};

void account(int option)
{
	// account option = 1 (checkings)
	// account option = 2 (savings)
	cout << "\n\n"
		 << AccountType[option] << "--\n\t1. Check balance"
		 << "\n\t2. Withdraw from " << AccountType[option]
		 << "\n\t3. Deposit to " << AccountType[option]
		 << "\n\t4. Transfer "
		 << "\n\t5. --Return to Menu." << endl;

	// Pass in account type
	AccountSettings Account(option);

	int selectMenu;
	cin >> selectMenu;

	switch (selectMenu)
	{
	case 1:
		cout << Account.getBalance();
		break;
	case 2:
		cout << Account.getWithdraw();
		break;
	case 3:
		cout << Account.getDeposit();
		break;
	case 4:
		cout << Account.getTransfer();
		break;
	case 5:
		menu(); // return to main menu
		break;
	default:
		cout << "Would you like to continue (y/n)\n";
		cin >> response;
		proceed(response);

		if (proceed(response))
		{
			menu(); // return to main menu
		}
		break;
	}
}

void menu()
{
	int option;
	cout << "\n\nMain Menu--" << endl;
	cout << "\tPlease make a selection. " << endl;
	cout << "\t1. Checkings \n\t2. Savings \n\t3. Exit" << endl;
	cin >> option;
	switch (option)
	{
	case 1:
		account(option); // checkings
		break;
	case 2:
		account(option); // savings
		break;
	default:
		cout << "Would you like to continue (y/n)\n";
		cin >> response;
		proceed(response);

		if (proceed(response))
		{
			menu();
		}
		break;
	}
}

// Begin MAIN
int main()
{
	int pin;
	cout << "Welcome to Bank of Programming.\n\tPlease enter your pin number to access your account:" << endl;
	do
	{
		cin >> pin;

		if (validatePin(pin))
		{
			menu(); // continue to main menu
		}
		else
		{
			cout << "Invalid pin. Please enter pin number:" << endl;
		}
	} while (!validatePin(pin));

	return 0;
}