package ergasia2;

import java.applet.Applet;
import java.awt.Button;
import java.awt.Color;
import java.awt.Label;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class trialala extends Applet implements ActionListener {
    TextField t1, t2, t3;
    Label L1, L2, L3;
    Button b1;
    double w,h,dms;
    public void init() {

        L1 = new Label ("Weight:");
        L2 = new Label ("Height:");
        L3 = new Label ("DMS:");
        t1 = new TextField (30);
        t2 = new TextField (30);
        t3 = new TextField (30);
        b1 = new Button ("Ypologise ");

        b1.addActionListener(this);

        add (L1);
        add (t1);
        add (L2);
        add (t2);
        add (L3);
        add (t3);
        add (b1);
    }
    public void actionPerformed (ActionEvent a) {
        try {
            w = Double.parseDouble(t1.getText());
            h = Double.parseDouble(t2.getText());
            dms = w/(h*h);
            if (dms <=18) {
                t3.setText("ΕΛΛΙΠΟΒΑΡΗΣ");
                t3.setBackground(Color.red);
            }
            else if ((dms>18) && (dms<=30)) {
                t3.setBackground(Color.green);
                t3.setText("KANONIKOS");
            }
            else {
                t3.setBackground(Color.orange);
                t3.setText("ΥΠΕΡΒΑΡΟΣ");
            }


        } catch (NumberFormatException e) {
            t2.setText("Wrong data");
            t2.setBackground(Color.pink);
        }

    }
}