import java.awt.*;
import java.applet.Applet;
import java.io.IOException;
import java.net.ProtocolException;
import java.net.UnknownHostException;
import Qsmtp;

public class SmtpApp extends Applet {

    private String from = "Uninitialized";
    private String to = "Uninitialized";
    private String subject = "Uninitialized";
    private String message = "Uninitialized";
    private String mailhost = "unknown";
    Button sendit;
    Label fromLabel;
    Label toLabel;
    TextField fromText, toText;
    TextField subjText;
    TextArea mesgText;

    public String[][] getParameterInfo() {
        String[][] info = {
            // Format:  ParameterName, ParameterType, ParameterDescription
            {"To","String","To Address"},
            {"From","String","From Address"},
            {"Mailhost","String","Mailhost hostname"},
            {"EditTo","boolean","Is To editable field (default true)?"},
            {"EditFrom","boolean","Is From editable field (default false)?"}
        };
        return info;
    }

    public String getAppletInfo() {
            return "SmtpApp - Applet to send SMTP email, written by Jim Driscoll";
    }

    public void init() {
        super.init();
        resize(300, 200);
        from = getParameter("From");
        to = getParameter("To");
        mailhost = getParameter("Mailhost");
        fromLabel = new Label("From: ");
        toLabel = new Label("To: ");
        fromText = new TextField(from,10);
        toText = new TextField(to,10);

        if (getParameter("EditTo") != null && getParameter("EditTo").equals("false"))
            toText.setEditable(false);
        else
            toText.setEditable(true);

        if (getParameter("EditFrom") != null && getParameter("EditFrom").equals("true"))
            fromText.setEditable(true);
        else
            fromText.setEditable(false);
        add(fromLabel);
        add(fromText);
        add(toLabel);
        add(toText);
        subjText = new TextField("Send from Applet", 40);
        add(subjText);
        mesgText = new TextArea("Sample Message",5,40);
        add(mesgText);
        sendit = new Button("Send");
        add(sendit);
    }

    public boolean action(Event e, Object o) {
        if (e.target instanceof Button)  {
            if ("Send".equals( (String) o ) ) {
                try {
/*  Nice idea - but for some reason it is locking up... I'll fix it for v1.1 :-)
                    showStatus("Getting Mailhost");
                    String mailhost = getCodeBase().getHost();
*/
                    showStatus("Connecting to mailhost " + mailhost);
                    Qsmtp connect = new Qsmtp(mailhost);
                    showStatus("Connected to mailhost... sending...");
                    subject = subjText.getText();
                    message = mesgText.getText();
                    connect.sendmsg(from,to,subject,message);
                    showStatus("Message sent");
                    if (fromText.isEditable())
                        fromText.setText(getParameter("From"));
                    if (toText.isEditable())
                        toText.setText(getParameter("To"));
                    subjText.setText("Send from Applet");
                    mesgText.setText("Sample Message");
                }
                catch (UnknownHostException x1) {
                    showStatus("Failed to find host - " + mailhost);
                    System.out.println(x1.getMessage());
                }
                catch (ProtocolException x2) {
                    showStatus("Some sort of protocol exception");
                    System.out.println(x2.getMessage());
                }
                catch (IOException x3) {
                    showStatus("Error reading/writing to socket on " + mailhost);
                    System.out.println(x3.getMessage());
                }
                finally {
                }
                return true;
            }
        }
        if (e.target instanceof TextField) {
        return true;
        }
        return super.action(e,o);
    }
}