/*
	This is the main atm program
	The user does all the transaction in here
	Start money is 1000.00
	
*
*/

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class MainAtm extends JFrame
{
	JPanel panel;
	static double amount = 1000.00;
	JButton dep;
	JButton wi;
	JButton cb;
	JButton x;
	
	public MainAtm()
	{
		// Sets the title of the atm
		
		setTitle("Welcome to the ATM");
		
		// Sets the size of the atm
		
		setSize(300, 200);
		
		// Sets the action when the window is close
		
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		
		// Sets the location of the window to the middle of the screen
		
		setLocationRelativeTo(null);
		
		// Create 4 buttons
		
		dep = new JButton("Deposit");
		wi = new JButton("WithDraw");
		cb = new JButton("Check Balance");
		x = new JButton("Exit");
		
		// Create a panel and add the buttons to the panel
		
		panel = new JPanel();
		
		panel.add(dep);
		panel.add(wi);
		panel.add(cb);
		panel.add(x);
		
		// Add the panel to the content pane
		
		add(panel);
		
		// Create event listener for the buttons
		
		dep.addActionListener(new ButtonListener());
		wi.addActionListener(new ButtonListener());
		cb.addActionListener(new ButtonListener());
		x.addActionListener(new ButtonListener());
		
		// Sets the visibility of the window
		
		setVisible(true);
		
	}
	
	// Add the deposit money to the amount
	
	public static void setDeposit(double newamount)
	{
		amount += newamount;
		
	}
	
	// Subtract the withdraw money from the amount
	
	public static void setWithDraw(double newamount)
	{
		amount -= newamount;
		
	}
	
	// Returns the amount of the money 
	
	public static double getAmount()
	{
		return amount;
		
	}
	
	public class ButtonListener implements ActionListener
	{
		public void actionPerformed(ActionEvent e)
		{
			// Checks for the balance
			
			if(e.getSource() == cb)
			{
				JOptionPane.showMessageDialog(null, "Your current balance is " + getAmount());
				
			}
			
			// Ask the user how much they want to deposit
			
			if(e.getSource() == dep)
			{
				String getamount = JOptionPane.showInputDialog("How much do you want to deposit");
				
				double depamount = Double.parseDouble(getamount);
				
				setDeposit(depamount);
				
			}
			
			// Ask the user how much they want to withdraw
			
			if(e.getSource() == wi)
			{
				String takeamount = JOptionPane.showInputDialog("How much do you want to withdraw");
				
				double wiamount = Double.parseDouble(takeamount);
				
				setWithDraw(wiamount);
				
			}
			
			// Exit the program
			
			if(e.getSource() == x)
			{
				JOptionPane.showMessageDialog(null, "Thank you for using the program");
				System.exit(0);
				
			}
		}
	}
}