JAVA GUI Code.txt

//*NOTE THIS IS  JUST A BASIC GUI U CAN ADD YOUR OWN AND CREATE ALSO IT IS JUST A PROTOTYPE VERISON ONLY.

import javax.swing.*;
import java.awt.*;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Timer;
import java.util.TimerTask;

public class SmartWaterLevelApp extends JFrame {

    private JLabel waterLevelLabel;
    private JButton motorToggleButton;
    private JLabel motorStatusLabel;  
    private boolean motorState = false;
    private final String esp32IpAddress = "http://---.---.-.---"; // Change to your ESP32 IP YOU GET IT FROM SERIAL MONITOR OS ARDUINO IDE 

    public SmartWaterLevelApp() {
        setTitle("Smart Water Level System");
        setSize(400, 300);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setLocationRelativeTo(null);
        setLayout(new GridLayout(4, 1));  

        waterLevelLabel = new JLabel("Water Level: Fetching...", SwingConstants.CENTER);
        waterLevelLabel.setFont(new Font("Arial", Font.BOLD, 20));
        add(waterLevelLabel);

        motorToggleButton = new JButton("Turn Motor ON");
        motorToggleButton.setFont(new Font("Arial", Font.PLAIN, 18));
        motorToggleButton.addActionListener(e -> toggleMotor());
        add(motorToggleButton);

        motorStatusLabel = new JLabel("Motor is OFF", SwingConstants.CENTER);
        motorStatusLabel.setFont(new Font("Arial", Font.PLAIN, 18));
        add(motorStatusLabel);

        Timer timer = new Timer();
        timer.schedule(new TimerTask() {
            @Override
            public void run() {
                fetchWaterLevel();
                checkMotorState();  
            }
        }, 0, 5000);  

        setVisible(true);
    }

    private void toggleMotor() {
        new Thread(() -> {
            try {
                String motorUrl = esp32IpAddress + "/motor?state=" + (motorState ? "off" : "on");
                HttpURLConnection connection = (HttpURLConnection) new URL(motorUrl).openConnection();
                connection.setRequestMethod("GET");

                int responseCode = connection.getResponseCode();
                if (responseCode == 200) {
                    motorState = !motorState;
                    SwingUtilities.invokeLater(() -> {
                        motorToggleButton.setText(motorState ? "Turn Motor OFF" : "Turn Motor ON");
                        motorStatusLabel.setText(motorState ? "Motor is ON" : "Motor is OFF");  
                    });
                    JOptionPane.showMessageDialog(this, "Motor " + (motorState ? "ON" : "OFF"));
                } else {
                    JOptionPane.showMessageDialog(this, "Failed to toggle motor.");
                }
            } catch (Exception ex) {
                ex.printStackTrace();
                JOptionPane.showMessageDialog(this, "Error: " + ex.getMessage());
            }
        }).start(); 
    }

    private void checkMotorState() {
        new Thread(() -> {
            try {
                String motorUrl = esp32IpAddress + "/motor?state=check";
                HttpURLConnection connection = (HttpURLConnection) new URL(motorUrl).openConnection();
                connection.setRequestMethod("GET");

                int responseCode = connection.getResponseCode();
                if (responseCode == 200) {
                    BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
                    String response = in.readLine();
                    in.close();

                    SwingUtilities.invokeLater(() -> {
                        if ("on".equals(response)) {
                            motorState = true;
                            motorToggleButton.setText("Turn Motor OFF");
                            motorStatusLabel.setText("Motor is ON");  
                        } else if ("off".equals(response)) {
                            motorState = false;
                            motorToggleButton.setText("Turn Motor ON");
                            motorStatusLabel.setText("Motor is OFF"); 
                        }
                    });
                } else {
                    JOptionPane.showMessageDialog(this, "Failed to check motor state.");
                }
            } catch (Exception ex) {
                ex.printStackTrace();
                JOptionPane.showMessageDialog(this, "Error fetching motor state: " + ex.getMessage());
            }
        }).start(); // Run motor state check in a separate thread
    }

    private void fetchWaterLevel() {
        new Thread(() -> {
            try {
                String waterLevelUrl = esp32IpAddress + "/waterlevel";
                HttpURLConnection connection = (HttpURLConnection) new URL(waterLevelUrl).openConnection();
                connection.setRequestMethod("GET");

                int responseCode = connection.getResponseCode();
                if (responseCode == 200) {
                    BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
                    StringBuilder response = new StringBuilder();
                    String inputLine;

                    while ((inputLine = in.readLine()) != null) {
                        response.append(inputLine);
                    }
                    in.close();

                    String waterLevel = response.toString();
                    SwingUtilities.invokeLater(() -> waterLevelLabel.setText("Water Level: " + waterLevel + "%"));
                } else {
                    JOptionPane.showMessageDialog(this, "Failed to fetch water level.");
                }
            } catch (Exception ex) {
                ex.printStackTrace();
                JOptionPane.showMessageDialog(this, "Error fetching water level: " + ex.getMessage());
            }
        }).start(); // Run water level fetch in a separate thread
    }

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