/* Made by: Dylan G.
 * Date: 11-25/28-2010 Copyright :D
 */

import javax.swing.JOptionPane; // Need this for all JOptionPane input boxes.

public class ATM { // The class..
	public static void main(String[] args){ // YOU JUST NEED IT.
		int pinNumberReal = 1593; // All the variables
		double depositCash;
		double withdrawCash;
		double newBalance;
		int pinNumber;
		String withdraw = "withdraw";
		String deposit = "deposit";
		double currentBalance = 79; {

			String userPinNumber = JOptionPane.showInputDialog("Enter your pin number."); // Input box for user pin number, saves it as a string variable
			pinNumber = Integer.parseInt(userPinNumber); // Makes the string into a variable, a number variable.


			if (pinNumber == pinNumberReal && userPinNumber != null) {	// If the user input pin number is correct then do continue

				String userDepositOrWithdraw = JOptionPane.showInputDialog("Would you like to deposit or withdraw money from your account?"); { // If the pinNumber is correct, then show input box for withdraw or deposit

					if (userDepositOrWithdraw.equalsIgnoreCase(deposit) && userDepositOrWithdraw != null) { // Takes the input from userWithdrawOrDeposit into lower case then matches it to deposit
						JOptionPane.showMessageDialog(null,"Your current balance is: " + currentBalance + "."); // Displays currentBalance
						String userDepositCash = JOptionPane.showInputDialog("Enter how much you would like to deposit."); // Input box and saves as the variable userDepositCash
						depositCash = Double.parseDouble(userDepositCash); // Makes the string from the input box a valid number variable

						if (depositCash < 0) { // If user tries to deposit a negative number, displays error
							System.err.println("You can't deposit money you don't have!"); // Displays error
						} else { // If depositCash isn't below 0, then do this:

							newBalance = currentBalance + depositCash; // Does the deposit from currentBalance
							JOptionPane.showMessageDialog(null,"Your current balance after deposit is: " + newBalance + "."); // Displays newBalance

						} // Closes the else statement that does then deposits then displays it
					} // Closes the things to do if userDepositOrWithdraw is deposit
					if (userDepositOrWithdraw.equalsIgnoreCase(withdraw) && userDepositOrWithdraw != null) { // Takes the input from userWithdrawOrDeposit into lower case then matches it to withdraw
						JOptionPane.showMessageDialog(null,"Your current balance is: " + currentBalance + "."); // Displays currentBalance
						String userWithdrawCash = JOptionPane.showInputDialog("Enter how much you would like to withdraw."); // Input box and saves as the variable userWithdrawCash
						withdrawCash = Double.parseDouble(userWithdrawCash); // Makes the string from the input box a valid number variable

						if (withdrawCash > currentBalance) { // If you withdraw more money than you have, error message
							System.err.println("You can't withdraw more money than you have!"); // Displays error
						} else { // If you have enough to withdraw from your currentBalance, then do this:

							newBalance = currentBalance - withdrawCash; // Does the withdraw from currentBalance
							JOptionPane.showMessageDialog(null,"Your current balance after withdraw is: " + newBalance + "."); // Displays newBalance

						} // Closes the else statement that does the withdraw and displays it
					} // Closes the things to do if userDepositOrWithdraw is withdraw
					if (!userDepositOrWithdraw.equalsIgnoreCase(withdraw) && (!userDepositOrWithdraw.equalsIgnoreCase(deposit))) { // If user inputs something besides "withdraw" or "deposit" then error message
						System.err.println("You entered " + userDepositOrWithdraw + " instead of deposit or withdraw."); // Displays errors
					} // Closes the error message if userDepositOrWithdraw isn't withdraw or deposit
				} // Closes the input box asking if deposit or withdraw
			} // Closes the things to do if pinNumber is correct.
			if (pinNumber != pinNumberReal){ // If the user inputs incorrect pin, error message
				System.err.println("Incorrect pin number."); // Displays error
			} // Closes the incorrect pinNumber error if-then
		} // Closes everything after the variable
	} // Closes the string[] args command
} // Closes the class