BusManagementSystem.java

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.HashMap;
import java.util.Map;

public class BusManagementSystem extends JFrame implements ActionListener {
    // Fields for ticket booking and management
    private JTextField nameField, seatField, feedbackField;
    private JTextArea outputArea, trackingArea;
    private JButton bookButton, cancelButton, feedbackButton, paymentButton;
    private JLabel statusLabel;

    private Map<String, String> bookedTickets = new HashMap<>();  // Seat, Passenger
    private double ticketPrice = 10.0;
    private boolean isPaymentProcessed = false;

    public BusManagementSystem() {
        // Set up the frame
        setTitle("Bus Management System");
        setSize(600, 600);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setLayout(new GridLayout(3, 1));

        // Ticket Booking Panel
        JPanel bookingPanel = new JPanel(new GridLayout(6, 2));
        bookingPanel.setBorder(BorderFactory.createTitledBorder("Ticket Booking"));

        JLabel nameLabel = new JLabel("Passenger Name:");
        nameField = new JTextField();
        JLabel seatLabel = new JLabel("Seat Number (1-30):");
        seatField = new JTextField();
        bookButton = new JButton("Book Ticket");
        cancelButton = new JButton("Cancel Ticket");
        bookingPanel.add(nameLabel);
        bookingPanel.add(nameField);
        bookingPanel.add(seatLabel);
        bookingPanel.add(seatField);
        bookingPanel.add(bookButton);
        bookingPanel.add(cancelButton);

        // Payment Panel
        JPanel paymentPanel = new JPanel(new GridLayout(2, 2));
        paymentPanel.setBorder(BorderFactory.createTitledBorder("Payment Processing"));
        JLabel paymentLabel = new JLabel("Ticket Price: $" + ticketPrice);
        paymentButton = new JButton("Process Payment");
        statusLabel = new JLabel("Payment Status: Pending");
        paymentPanel.add(paymentLabel);
        paymentPanel.add(paymentButton);
        paymentPanel.add(new JLabel(""));
        paymentPanel.add(statusLabel);

        // Feedback Panel
        JPanel feedbackPanel = new JPanel(new GridLayout(2, 2));
        feedbackPanel.setBorder(BorderFactory.createTitledBorder("Feedback"));
        JLabel feedbackLabel = new JLabel("Enter Feedback:");
        feedbackField = new JTextField();
        feedbackButton = new JButton("Submit Feedback");
        feedbackPanel.add(feedbackLabel);
        feedbackPanel.add(feedbackField);
        feedbackPanel.add(new JLabel(""));
        feedbackPanel.add(feedbackButton);

        // Tracking Panel
        JPanel trackingPanel = new JPanel(new BorderLayout());
        trackingPanel.setBorder(BorderFactory.createTitledBorder("Navigation and Tracking"));
        trackingArea = new JTextArea("Bus tracking information will appear here...");
        trackingArea.setEditable(false);
        trackingPanel.add(new JScrollPane(trackingArea));

        // Output Area
        outputArea = new JTextArea(10, 50);
        outputArea.setEditable(false);
        JScrollPane scrollPane = new JScrollPane(outputArea);

        // Add panels to frame
        add(bookingPanel);
        add(paymentPanel);
        add(feedbackPanel);
        add(trackingPanel);
        add(scrollPane);

        // Add action listeners
        bookButton.addActionListener(this);
        cancelButton.addActionListener(this);
        feedbackButton.addActionListener(this);
        paymentButton.addActionListener(this);

        setVisible(true);
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        String name = nameField.getText();
        String seat = seatField.getText();

        // Ensure seat is a valid number between 1 and 30
        try {
            int seatNumber = Integer.parseInt(seat);

            if (seatNumber < 1 || seatNumber > 30) {
                JOptionPane.showMessageDialog(this, "Seat number must be between 1 and 30.");
                return;
            }

            if (e.getSource() == bookButton) {
                if (!name.isEmpty() && !seat.isEmpty() && !bookedTickets.containsKey(seat)) {
                    if (isPaymentProcessed) {
                        bookedTickets.put(seat, name);
                        outputArea.append("Ticket Booked: " + name + " - Seat " + seat + "\n");
                        trackingArea.setText("Bus is departing from location A to B.\nEstimated time: 1 hour.\nCurrent Location: A.");
                    } else {
                        JOptionPane.showMessageDialog(this, "Please process the payment first.");
                    }
                } else {
                    JOptionPane.showMessageDialog(this, "Invalid booking details or seat already booked.");
                }
            } else if (e.getSource() == cancelButton) {
                if (!seat.isEmpty() && bookedTickets.containsKey(seat)) {
                    bookedTickets.remove(seat);
                    outputArea.append("Ticket Cancelled: Seat " + seat + "\n");
                } else {
                    JOptionPane.showMessageDialog(this, "Seat is not booked.");
                }
            } else if (e.getSource() == feedbackButton) {
                String feedback = feedbackField.getText();
                if (!feedback.isEmpty()) {
                    outputArea.append("Feedback Received: " + feedback + "\n");
                    feedbackField.setText("");
                } else {
                    JOptionPane.showMessageDialog(this, "Please enter feedback.");
                }
            } else if (e.getSource() == paymentButton) {
                isPaymentProcessed = true;
                statusLabel.setText("Payment Status: Processed");
                outputArea.append("Payment of $" + ticketPrice + " processed.\n");
            }
        } catch (NumberFormatException ex) {
            JOptionPane.showMessageDialog(this, "Please enter a valid seat number.");
        }
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(BusManagementSystem::new);
    }
}