package com.sitech.ismp.ice.syslog;

import java.applet.Applet;
import java.awt.Button;
import java.awt.Choice;
import java.awt.Component;
import java.awt.Container;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Label;
import java.awt.Panel;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.NoSuchElementException;

class SyslogApplet extends Applet implements ActionListener {
	private Syslog syslog;
	private Choice facChoice;
	private Choice priChoice;
	private TextField hostname;
	private TextField message;

	private Hashtable facHash;
	private Hashtable priHash;

	public SyslogApplet() {
		super();

		this.priHash = new Hashtable();

		this.priHash.put("Emergency", new Integer(SyslogDefs.LOG_EMERG));
		this.priHash.put("Alert", new Integer(SyslogDefs.LOG_ALERT));
		this.priHash.put("Critical", new Integer(SyslogDefs.LOG_CRIT));
		this.priHash.put("Error", new Integer(SyslogDefs.LOG_ERR));
		this.priHash.put("Warning", new Integer(SyslogDefs.LOG_WARNING));
		this.priHash.put("Notice", new Integer(SyslogDefs.LOG_NOTICE));
		this.priHash.put("Info", new Integer(SyslogDefs.LOG_INFO));
		this.priHash.put("Debug", new Integer(SyslogDefs.LOG_DEBUG));

		this.facHash = new Hashtable();

		this.facHash.put("Kernel", new Integer(SyslogDefs.LOG_KERN));
		this.facHash.put("User", new Integer(SyslogDefs.LOG_USER));
		this.facHash.put("Mail", new Integer(SyslogDefs.LOG_MAIL));
		this.facHash.put("Daemon", new Integer(SyslogDefs.LOG_DAEMON));
		this.facHash.put("Authority", new Integer(SyslogDefs.LOG_AUTH));
		this.facHash.put("Syslog", new Integer(SyslogDefs.LOG_SYSLOG));
		this.facHash.put("Lpr", new Integer(SyslogDefs.LOG_LPR));
		this.facHash.put("News", new Integer(SyslogDefs.LOG_NEWS));
		this.facHash.put("Uucp", new Integer(SyslogDefs.LOG_UUCP));
		this.facHash.put("Cron", new Integer(SyslogDefs.LOG_CRON));

		this.facHash.put("Local0", new Integer(SyslogDefs.LOG_LOCAL0));
		this.facHash.put("Local1", new Integer(SyslogDefs.LOG_LOCAL1));
		this.facHash.put("Local2", new Integer(SyslogDefs.LOG_LOCAL2));
		this.facHash.put("Local3", new Integer(SyslogDefs.LOG_LOCAL3));
		this.facHash.put("Local4", new Integer(SyslogDefs.LOG_LOCAL4));
		this.facHash.put("Local5", new Integer(SyslogDefs.LOG_LOCAL5));
		this.facHash.put("Local6", new Integer(SyslogDefs.LOG_LOCAL6));
		this.facHash.put("Local7", new Integer(SyslogDefs.LOG_LOCAL7));
	}

	public void init() {
		super.init();

		try {
			this.syslog = new Syslog("SyslogTest", SyslogDefs.LOG_PERROR);
		} catch (SyslogException ex) {
			System.err.println("FATAL creating Syslog instance: '"
					+ ex.getMessage() + "'");
		}

		this.establishContents();
	}

	public void runTestOne() {
		String host = this.hostname.getText();
		try {
			InetAddress addr = InetAddress.getByName(host);

			this.syslog.syslog(addr, SyslogDefs.LOG_LOCAL0, SyslogDefs.LOG_ERR,
					"Test Syslog Message #1 (LOCAL0.ERR)");
		} catch (UnknownHostException ex) {
			String message = "error locating host named '" + host + "': "
					+ ex.getMessage();
		} catch (SyslogException ex) {
			System.err.println("ERROR sending syslog message: '"
					+ ex.getMessage() + "'");
		}
	}

	public void runTestTwo() {
		String host = this.hostname.getText();
		try {
			InetAddress addr = InetAddress.getByName(host);

			this.syslog.syslog(addr, SyslogDefs.LOG_LOCAL0, SyslogDefs.LOG_ERR,
					"Test Syslog Message #2 (LOCAL0.ERR)");
		} catch (UnknownHostException ex) {
			String message = "error locating host named '" + host + "': "
					+ ex.getMessage();
		} catch (SyslogException ex) {
			System.err.println("ERROR sending syslog message: '"
					+ ex.getMessage() + "'");
		}
	}

	public void runFloodTest() {
		String host = this.hostname.getText();
		try {
			InetAddress addr = InetAddress.getByName(host);

			for (int j = 0; j < 25; ++j) {
				this.syslog.syslog(addr, SyslogDefs.LOG_LOCAL0,
						SyslogDefs.LOG_ERR, "Test Syslog Message #" + j
								+ "  (LOCAL0.ERR)");
			}
		} catch (UnknownHostException ex) {
			String message = "error locating host named '" + host + "': "
					+ ex.getMessage();
		} catch (SyslogException ex) {
			System.err.println("ERROR sending syslog message: '"
					+ ex.getMessage() + "'");
		}
	}

	public void sendMessage() {
		String facStr = this.facChoice.getSelectedItem();
		String priStr = this.priChoice.getSelectedItem();

		Integer facInt = (Integer) facHash.get(facStr);
		Integer priInt = (Integer) priHash.get(priStr);

		if (facInt == null || priInt == null) {
			System.err.println("ERROR "
					+ (facInt == null ? "facility" : "level")
					+ " is null! fac '" + facStr + "' lvl '" + priStr + "'");
		} else {
			String host = this.hostname.getText();
			try {
				InetAddress addr = InetAddress.getByName(host);

				this.syslog.syslog(addr, facInt.intValue(), priInt.intValue(),
						this.message.getText());
			} catch (UnknownHostException ex) {
				String message = "error locating host named '" + host + "': "
						+ ex.getMessage();
			} catch (SyslogException ex) {
				System.err.println("ERROR logging: " + ex.getMessage());
			}
		}
	}

	public void actionPerformed(ActionEvent event) {
		String command = event.getActionCommand();

		if (command.equals("SEND")) {
			this.sendMessage();
		}
	}

	public void establishContents() {
		int row = 0;
		Enumeration enumd;

		Panel pan = new Panel();
		pan.setLayout(new GridBagLayout());

		Panel hpan = new Panel();
		hpan.setLayout(new GridBagLayout());
		this.constrain(pan, hpan, GridBagConstraints.HORIZONTAL,
				GridBagConstraints.CENTER, 0, row++, 2, 1, 1.0, 0.0);

		Label lbl = new Label("Syslog Server Host:");
		this.constrain(hpan, lbl, GridBagConstraints.NONE,
				GridBagConstraints.WEST, 0, row, 1, 1, 0.0, 0.0);

		this.hostname = new TextField(60);
		this.hostname.setEditable(true);

		this.constrain(hpan, this.hostname, GridBagConstraints.HORIZONTAL,
				GridBagConstraints.CENTER, 1, row, 1, 1, 1.0, 0.0);

		this.priChoice = new Choice();
		enumd = this.priHash.keys();
		for (; enumd.hasMoreElements();) {
			String keyStr = null;

			try {
				keyStr = (String) enumd.nextElement();
			} catch (NoSuchElementException ex) {
				break;
			}

			if (keyStr != null)
				this.priChoice.addItem(keyStr);
		}

		this.constrain(pan, this.priChoice, GridBagConstraints.HORIZONTAL,
				GridBagConstraints.CENTER, 0, row, 1, 1, 1.0, 0.0);

		this.facChoice = new Choice();
		enumd = this.facHash.keys();
		for (; enumd.hasMoreElements();) {
			String keyStr = null;

			try {
				keyStr = (String) enumd.nextElement();
			} catch (NoSuchElementException ex) {
				break;
			}

			if (keyStr != null)
				this.facChoice.addItem(keyStr);
		}

		this.constrain(pan, this.facChoice, GridBagConstraints.HORIZONTAL,
				GridBagConstraints.CENTER, 1, row, 1, 1, 1.0, 0.0);

		++row;

		this.message = new TextField(80);
		this.message.setEditable(true);

		this.constrain(pan, this.message, GridBagConstraints.BOTH,
				GridBagConstraints.CENTER, 0, row, 2, 1, 1.0, 1.0);

		++row;

		Button send_it = new Button("Syslog Message");
		send_it.setActionCommand("SEND");
		send_it.addActionListener(this);
		this.constrain(pan, send_it, GridBagConstraints.HORIZONTAL,
				GridBagConstraints.CENTER, 0, row, 2, 1, 1.0, 0.0);

		this.setLayout(new GridBagLayout());
		this.constrain(this, pan, GridBagConstraints.BOTH,
				GridBagConstraints.CENTER, 0, 0, 1, 1, 1.0, 1.0);
	}

	public void constrain(Container container, Component component, int fill,
			int anchor, int gx, int gy, int gw, int gh, double wx, double wy) {
		GridBagConstraints c = new GridBagConstraints();

		c.fill = fill;
		c.anchor = anchor;
		c.gridx = gx;
		c.gridy = gy;
		c.gridwidth = gw;
		c.gridheight = gh;
		c.weightx = wx;
		c.weighty = wy;

		((GridBagLayout) container.getLayout()).setConstraints(component, c);

		container.add(component);
	}
}