Deposit.java

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

public class Deposit extends JFrame implements ActionListener {
    JTextField amountField;
    JButton depositButton, backButton;
    String cardNumber;

    Deposit(String cardNumber) {
        this.cardNumber = cardNumber;

        setTitle("Deposit");
        setLayout(null);
        getContentPane().setBackground(Color.white);

        JLabel heading = new JLabel("Enter amount to deposit:");
        heading.setFont(new Font("Arial", Font.BOLD, 16));
        heading.setBounds(60, 40, 250, 30);
        add(heading);

        amountField = new JTextField();
        amountField.setFont(new Font("Arial", Font.PLAIN, 16));
        amountField.setBounds(60, 80, 250, 30);
        add(amountField);

        depositButton = new JButton("Deposit");
        depositButton.setBounds(60, 130, 100, 30);
        depositButton.addActionListener(this);
        add(depositButton);

        backButton = new JButton("Back");
        backButton.setBounds(210, 130, 100, 30);
        backButton.addActionListener(this);
        add(backButton);

        setSize(400, 250);
        setLocation(450, 250);
        setVisible(true);
    }

    @Override
    public void actionPerformed(ActionEvent ae) {
        if (ae.getSource() == depositButton) {
            String amount = amountField.getText().trim();

            if (amount.isEmpty()) {
                JOptionPane.showMessageDialog(null, "Please enter an amount.");
                return;
            }

            try {
                Conn conn = new Conn(); // assuming Conn.java has connection setup
                String query = "INSERT INTO bank (card_number, date, type, amount) VALUES ('" + cardNumber + "', NOW(), 'Deposit', '" + amount + "')";
                conn.s.executeUpdate(query);
                JOptionPane.showMessageDialog(null, "Rs. " + amount + " Deposited Successfully");
                setVisible(false);
                new Transaction(cardNumber); // ✅ FIXED: pass card number
            } catch (Exception e) {
                e.printStackTrace();
                JOptionPane.showMessageDialog(null, "Database Error: " + e.getMessage());
            }
        } else if (ae.getSource() == backButton) {
            setVisible(false);
            new Transaction(cardNumber); // ✅ FIXED: pass card number
        }
    }

    public static void main(String[] args) {
        new Deposit("1234567890123456"); // for testing only
    }
}