//----------------------------------------------------------------------------
//
// Copyright (c) Intel Corporation, 2011  All Rights Reserved.
//
//  File:       MPSClientSample.cs 
//
//  Contents:   Sample code for Intel(R) Active Management Technology
//              (Intel® AMT) MPSClient Sample.
//
//----------------------------------------------------------------------------

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Intel.Manageability.Utils;

namespace MPSInterfaceClient
{
    class MPSClientSample
    {
        #region PRIVATE DATA MEMBERS

        private const string SUBSCRIBE = "subscribe"; // Subscribe machine
        private const string UNSUBSCRIBE = "unsubscribe"; // Unsubscribe machine
        private const string URL = "url"; // Url of MPS server  
        private const string GET_ALL_CONTEXTS = "getallcontexts"; //Get all contexts
        private const string IS_MACHINE_CONNECTED = "ismachineconnected"; // Cheack if specific machine is connected    


        private static CmdLineArguments Params = new CmdLineArguments();
        private static MpsInterfaceClientApi mps;

        #endregion 

        #region MAIN

        private static string CreateUsage()
        {
            string usageStr = "";
            string assembly = System.Reflection.Assembly.GetExecutingAssembly().GetName().Name;

            usageStr += "Usage:\n";
            usageStr += " " + assembly + " -url <mpsUrl> <opt> [-subscribe <uri>] [-unsubscribe <uri>]  " +
                "[-getallcontexts] [-ismachineconnected <uri>]\n" + "\n\n";
            usageStr += "When <opt> is:\n";
            usageStr += " -" + SUBSCRIBE + "<value>:\t\tenables subscribing a system to receive\n\t\t\t\tMpsNotification events whenever a machine\n\t\t\t\tconnects to or disconnects from the MPS.\n";
            usageStr += "\t\t\t\tvalue is the uri of a specific machine.\n\n";
            usageStr += " -" + UNSUBSCRIBE + "<value>:\t\tremoves a system from the subscribers list.\n";
            usageStr += "\t\t\t\tvalue is the uri of a  specific machine.\n\n";
            usageStr += " -" + GET_ALL_CONTEXTS + ":\t\tenumerates the names of machines that are\n\t\t\t\tcurrently connected to the MPS via the APF\n\t\t\t\tprotocol.\n\t\t\t\t\n\n";
            usageStr += " -" + IS_MACHINE_CONNECTED + " <value>:\tchecks whether a given machine is currently\n\t\t\t\tconnected to the MPS.\n";
            usageStr += "\t\t\t\tvalue is the uri of a specific machine.\n";

            return usageStr;

        }


        static void Main(string[] args)
        {
            Params.AddArg(SUBSCRIBE, true, false);
            Params.AddArg(UNSUBSCRIBE, true, false);
            Params.AddArg(URL, true, true);
            Params.AddArg(GET_ALL_CONTEXTS, false, false);
            Params.AddArg(IS_MACHINE_CONNECTED, true, false);
            string usage = CreateUsage();
            try
            {
                // If no params were given, just print the usage
                if (args.Length == 0)
                {
                    Console.WriteLine("\n" + usage);
                    return;
                }
                Params.Parse(args);
                if (!(Uri.TryCreate(Params.Value(URL), 0, out Uri uriResult) && (uriResult.Scheme == Uri.UriSchemeHttp || uriResult.Scheme == Uri.UriSchemeHttps)))
                {
                    Console.WriteLine("\n--------------CmdLineArguments Error--------------");
                    Console.WriteLine("Invalid value for URL parameter.");
                    Console.WriteLine(usage);
                }
                else
                {
                    mps = new MpsInterfaceClientApi(Params.Value(URL));
                    if (Params.Selected(SUBSCRIBE))
                    {
                        if (!Uri.IsWellFormedUriString(Params.Value(SUBSCRIBE), 0))
                        {
                            Console.WriteLine("\n--------------CmdLineArguments Error--------------");
                            Console.WriteLine("Invalid value for Subscribe option.");
                            Console.WriteLine(usage);
                        }
                        else
                            mps.subscribeForNotification(Params.Value(SUBSCRIBE));
                    }
                    else if (Params.Selected(UNSUBSCRIBE))
                    {
                        if (!Uri.IsWellFormedUriString(Params.Value(UNSUBSCRIBE), 0))
                        {
                            Console.WriteLine("\n--------------CmdLineArguments Error--------------");
                            Console.WriteLine("Invalid value for Unsubscribe option.");
                            Console.WriteLine(usage);
                        }
                        else
                            mps.unsubscribeForNotification(Params.Value(UNSUBSCRIBE));
                    }
                    else if (Params.Selected(GET_ALL_CONTEXTS))
                    {
                        mps.getAllContexts();
                    }
                    else if (Params.Selected(IS_MACHINE_CONNECTED))
                    {
                        if (!Uri.IsWellFormedUriString(Params.Value(IS_MACHINE_CONNECTED), 0))
                        {
                            Console.WriteLine("\n--------------CmdLineArguments Error--------------");
                            Console.WriteLine("Invalid value for IsMachineConnected option.");
                            Console.WriteLine(usage);
                        }
                        else
                            mps.isMachineConnected(Params.Value(IS_MACHINE_CONNECTED));
                    }
                    else
                    {
                        Console.WriteLine("\n--------------CmdLineArguments Error--------------");
                        Console.WriteLine("could not find a value for the option.");
                        Console.WriteLine(usage);
                    }
                }
            }

            catch (System.Net.WebException e)
            {
                Console.WriteLine("\n--------------MpsInterface.Exception--------------");
                Console.WriteLine(e.Message);
                Console.WriteLine(usage);

            }
            catch (System.Web.Services.Protocols.SoapException e)
            {
                Console.WriteLine("\n--------------SoapException.Exception--------------");
                Console.WriteLine(e.Message);
                Console.WriteLine(usage);
            }
            catch (CmdLineArguments.Exception e)
            {
                Console.WriteLine("\n--------------CmdLineArguments.Exception--------------");
                Console.WriteLine(e.Message);
                Console.WriteLine(usage);
            }
            catch (Exception e)
            {
                Console.WriteLine("\n--------------General Exception--------------");
                Console.WriteLine(e.Message);
                Console.WriteLine(usage);
            }
        }

        #endregion Main
    }
}