// **********************************************************************
//
// Copyright (c) 2003
// ZeroC, Inc.
// Billerica, MA, USA
//
// All Rights Reserved.
//
// Ice is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License version 2 as published by
// the Free Software Foundation.
//
// **********************************************************************

public class Client
{
    private static void
    menu()
    {
        System.out.println(
            "usage:\n" +
            "t: send greeting as twoway\n" +
            "o: send greeting as oneway\n" +
            "O: send greeting as batch oneway\n" +
            "d: send greeting as datagram\n" +
            "D: send greeting as batch datagram\n" +
            "f: flush all batch requests\n" +
            "T: set a timeout\n" +
            "S: switch secure mode on/off\n" +
            "x: exit\n" +
            "?: help\n");
    }

    private static int
    run(String[] args, Ice.Communicator communicator)
    {
        Ice.Properties properties = communicator.getProperties();
        final String refProperty = "Hello.Hello";
        String ref = properties.getProperty(refProperty);
        if(ref.length() == 0)
        {
            System.err.println("property `" + refProperty + "' not set");
            return 1;
        }

        Ice.ObjectPrx base = communicator.stringToProxy(ref);
        HelloPrx twoway = HelloPrxHelper.checkedCast(base.ice_twoway().ice_timeout(-1).ice_secure(false));
        if(twoway == null)
        {
            System.err.println("invalid object reference");
            return 1;
        }
        HelloPrx oneway = HelloPrxHelper.uncheckedCast(twoway.ice_oneway());
        HelloPrx batchOneway = HelloPrxHelper.uncheckedCast(twoway.ice_batchOneway());
        HelloPrx datagram = HelloPrxHelper.uncheckedCast(twoway.ice_datagram());
        HelloPrx batchDatagram = HelloPrxHelper.uncheckedCast(twoway.ice_batchDatagram());

        boolean secure = false;
        int timeout = -1;

        menu();

        java.io.BufferedReader in = new java.io.BufferedReader(new java.io.InputStreamReader(System.in));

        String line = null;
        do
        {
            try
            {
                System.out.print("==> ");
                System.out.flush();
                line = in.readLine();
                if(line == null)
                {
                    break;
                }
                if(line.equals("t"))
                {
                    twoway.sayHello();
                }
                else if(line.equals("o"))
                {
                    oneway.sayHello();
                }
                else if(line.equals("O"))
                {
                    batchOneway.sayHello();
                }
                else if(line.equals("d"))
                {
                    datagram.sayHello();
                }
                else if(line.equals("D"))
                {
                    batchDatagram.sayHello();
                }
                else if(line.equals("f"))
                {
		    communicator.flushBatchRequests();
                }
                else if(line.equals("T"))
                {
                    if(timeout == -1)
                    {
                        timeout = 2000;
                    }
                    else
                    {
                        timeout = -1;
                    }

                    twoway = HelloPrxHelper.uncheckedCast(twoway.ice_timeout(timeout));
                    oneway = HelloPrxHelper.uncheckedCast(oneway.ice_timeout(timeout));
                    batchOneway = HelloPrxHelper.uncheckedCast(batchOneway.ice_timeout(timeout));

                    if(timeout == -1)
                    {
                        System.out.println("timeout is now switched off");
                    }
                    else
                    {
                        System.out.println("timeout is now set to 2000ms");
                    }
                }
                else if(line.equals("S"))
                {
                    secure = !secure;

                    twoway = HelloPrxHelper.uncheckedCast(twoway.ice_secure(secure));
                    oneway = HelloPrxHelper.uncheckedCast(oneway.ice_secure(secure));
                    batchOneway = HelloPrxHelper.uncheckedCast(batchOneway.ice_secure(secure));
                    datagram = HelloPrxHelper.uncheckedCast(datagram.ice_secure(secure));
                    batchDatagram = HelloPrxHelper.uncheckedCast(batchDatagram.ice_secure(secure));

                    if(secure)
                    {
                        System.out.println("secure mode is now on");
                    }
                    else
                    {
                        System.out.println("secure mode is now off");
                    }
                }
                else if(line.equals("x"))
                {
                    // Nothing to do
                }
                else if(line.equals("?"))
                {
                    menu();
                }
                else
                {
                    System.out.println("unknown command `" + line + "'");
                    menu();
                }
            }
            catch(java.io.IOException ex)
            {
                ex.printStackTrace();
            }
            catch(Ice.LocalException ex)
            {
                ex.printStackTrace();
            }
        }
        while(!line.equals("x"));

        return 0;
    }

    public static void
    main(String[] args)
    {
        int status = 0;
        Ice.Communicator communicator = null;

        try
        {
            Ice.Properties properties = Ice.Util.createProperties(args);
            properties.load("config");
            communicator = Ice.Util.initializeWithProperties(args, properties);
            status = run(args, communicator);
        }
        catch(Ice.LocalException ex)
        {
            ex.printStackTrace();
            status = 1;
        } finally {
	    if(communicator != null)
	    {
                communicator.destroy();
            }
	}

        System.exit(status);
    }
}