#include <iostream>
#include <iomanip>
#include <fstream>

using namespace std;

int main()
{
	ifstream file;
	double checkingBalance, savingsBalance, amount;
	int menu;
	char choice;

	file.open("C:\\Users\\Michael\\Desktop\\college stuff\\CS Labs\\Lab5.txt"); //file path on my laptop
	//file.open("S:\\mackay\\121-51\\Lab5data.txt"); file path at school
	file >> savingsBalance >> checkingBalance;
	file.close();


	cout << "Please choose one of the following options: " << endl << endl;
	cout << setw(4) << " " << "1: Deposit" << endl;
	cout << setw(4) << " " << "2: Withdraw" << endl;
	cout << setw(4) << " " << "3: Balance Inquiry" << endl;
	cout << setw(4) << " " << "4: Transfer Money" << endl;

	cin >> menu;

	if (menu == 1)
	{
		cout << "Checking (C) or Savings (S)? ";
		cin >> choice;
		cout << "How much are you depositing? ";
		cin >> amount;

		if (amount < 0)
			cout << "input invalid";
		else if (choice == 'C')
		{
			cout << "Your old balance was $" << checkingBalance;
			checkingBalance = checkingBalance + amount;
			cout << " and your new balance is $" << checkingBalance << endl;
		}
		else
		{
			cout << "Your old balance was $" << savingsBalance;
			savingsBalance = savingsBalance + amount;
			cout << " and your new balance is $" << savingsBalance << endl;
		}
	}

	else if (menu == 2)
	{
		cout << "Checking (C) or Savings (S)? ";
		cin >> choice;
		cout << "How much are you withdrawing? ";
		cin >> amount;

		if (choice == 'C')
		{
			if (amount < 0 || amount > checkingBalance)
				cout << "input invalid";
			else
			{
				cout << "Your old balance was $" << checkingBalance;
				checkingBalance = checkingBalance - amount;
				cout << " and your new balance is $" << checkingBalance;
			}
		}
		else
		{
			if (amount < 0 || amount > savingsBalance)
				cout << "input invalid";
			else
			{
				cout << "Your old balance was $" << savingsBalance;
				savingsBalance = savingsBalance - amount;
				cout << " and your new balance is $" << savingsBalance;
			}
		}
	}

	else if (menu == 3)
	{
		cout << "Which account, checking (C) or savings (S)? ";
		cin >> choice;

		if (choice == 'C')
			cout << "Your balance is $" << checkingBalance;
		else
			cout << "Your Balance is $" << savingsBalance;
	}

	else if (menu == 4)
	{
		cout << "(C) Checking to Savings? or" << endl << "(S) Savings to Checkings? ";
		cin >> choice;
		cout << "How much to transfer? ";
		cin >> amount;
		if (choice == 'C')
		{
			if (amount < 0 || amount > checkingBalance)
				cout << "invalid input";
			else
			{
				cout << "old balance for checking: $" << checkingBalance << endl;
				cout << "old balance for savings: $" << savingsBalance << endl;
				checkingBalance = checkingBalance - amount;
				savingsBalance = savingsBalance + amount;
				cout << "new balance for checking: $" << checkingBalance << endl;
				cout << "new balance for savings: $" << savingsBalance << endl;
			}
		}
		else
		{
			if (amount < 0 || amount > savingsBalance)
				cout << "invalid input";
			else
			{
				cout << "old balance for checking: $" << checkingBalance << endl;
				cout << "old balance for savings: $" << savingsBalance << endl;
				checkingBalance = checkingBalance + amount;
				savingsBalance = savingsBalance - amount;
				cout << "new balance for checking: $" << checkingBalance << endl;
				cout << "new balance for savings: $" << savingsBalance << endl;
			}
		}
	}

	else
		cout << "invalid input";

	return 0;
}