//
// Licensed to the Apache Software Foundation (ASF) under one or more
// contributor license agreements.  See the NOTICE file distributed with
// this work for additional information regarding copyright ownership.
// The ASF licenses this file to You under the Apache License, Version 2.0
// (the "License"); you may not use this file except in compliance with
// the License.  You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

//  .Net StockTrader Sample WCF Application for Benchmarking, Performance Analysis and Design Considerations for Service-Oriented Applications

//======================================================================================================
// This is one of three optional host programs for the Business Service Layer.  In this case a Console  
// application.  You can also optionally run the Windows host, as well as the IIS-hosted implementation.  
//======================================================================================================

//======================================================================================================
// Code originally contributed by Microsoft Corporation.
// This contribution to the Stonehenge project is limited strictly 
// to the source code that is submitted in this submission.  
// Any technology, including underlying platform technology, 
// that is referenced or required by the submitted source code 
// is not a part of the contribution.  
// For example and not by way of limitation, 
// any systems/Windows libraries (WPF, WCF, ASP.NET etc.) 
// required to run the submitted source code is not a part of the contribution
//======================================================================================================

using System;
using System.Text;
using System.Collections.Generic;
using System.Configuration;
using System.Diagnostics;
using System.Threading;
using System.ServiceModel;
using System.ServiceModel.Configuration;
using System.ServiceModel.Channels;
using System.ServiceModel.Description;
using System.ServiceModel.Dispatcher;
using System.ServiceModel.Activation;
using System.Net;
using Trade.BusinessServiceConfigurationSettings;
using Trade.BusinessServiceImplementation;
using Trade.BusinessServiceContract;
using Trade.OrderProcessorContract;
using Trade.OrderProcessorServiceConfigurationSettings;
using Trade.Utility;
using Trade.ConfigServiceContract;
using Trade.ConfigServiceConfigurationSettings;
using Trade.IDAL;
using Trade.DALFactory;
using Trade.ConfigClient;
using Trade.ConfigServiceDataContract;
using Microsoft.IdentityModel.Configuration;
using Microsoft.IdentityModel.Tokens;


namespace Trade.BusinessServiceConsole
{

    class BusinessService_ConsoleHost
    {
        /// <summary>
        /// The program entry class. Note how this simply inherits from the provided base class.
        /// </summary>
        public class BusinessServiceConsoleHost : IDisposable
        {
            private ServiceHost serviceHost;

            /// <summary>
            /// This is the key call where you will define parameters for the Master host startup, and call
            /// the base 'startService' method.
            /// </summary>
            public void start()
            {
                PermissiveCertificatePolicy.Enact();

                string shortHostName = System.Net.Dns.GetHostName();
                IPHostEntry myEntry = System.Net.Dns.GetHostEntry(shortHostName);
                string myName = myEntry.HostName;
                
                // Initialize the Settings and Service
                var thisSettings = new Trade.BusinessServiceConfigurationSettings.Settings();
                var thisOPSSettings = new Trade.OrderProcessorServiceConfigurationSettings.Settings();
                TradeServiceWcf.Initialize();

                Uri TradeServiceUriBase = new Uri("http://" + myName + ":9000/tradebusinessservice");

                //Create a ServiceHost for the Orderprocessor service.
                Type serviceType = typeof(TradeServiceWcf);
                serviceHost = new ServiceHost(serviceType, TradeServiceUriBase);

                // Configure the service host to use the Geneva Framework
                ServiceConfiguration configuration = new ServiceConfiguration();
                configuration.AudienceRestriction.AudienceMode = System.IdentityModel.Selectors.AudienceUriMode.BearerKeyOnly;
                configuration.IssuerNameRegistry = new SimpleIssuerNameRegistry();
                
                FederatedServiceCredentials.ConfigureServiceHost(serviceHost, configuration);

                StockTraderUtility.DescribeService(serviceHost);

                serviceHost.Open();

            }

            public void Dispose()
            {
                if (serviceHost != null)
                {
                    serviceHost.Abort();
                    serviceHost.Close();
                }
            }
        }

        [STAThread]
        static void Main(string[] args)
        {
            Console.Clear();
            Console.SetWindowSize(Console.LargestWindowWidth - 30, Console.LargestWindowHeight - 30);
            Console.Title = ".NET StockTrader Business Services Host";

            bool restart = true;
            while (restart)
            {
                using (var serviceHost = new BusinessServiceConsoleHost())
                {
                    try
                    {
                        serviceHost.start();

                        //Test to see what the database specifies as the Order Processing Mode
                        var configClient = new ConfigServiceClient();
                        var bsRequest = new BSConfigRequest();
                        bsRequest.BSName = Trade.BusinessServiceConfigurationSettings.Settings.BS_LABEL;
                        var bsConfig = configClient.GetBSConfig(bsRequest);

                        if (bsConfig == null)
                            throw new Exception("No DB Entry for " + Trade.BusinessServiceConfigurationSettings.Settings.BS_LABEL + ". Run SetupActions.sln to set up the database correctly");

                        Console.WriteLine(" ORDER_PROCESSING_MODE is currently = {0}\n", bsConfig.OPSName);

                        Console.WriteLine(" {0} is started\n", Console.Title);
                    }
                    catch (Exception ex)
                    {
                        StockTraderUtility.Logger.WriteException(ex);
                    }

                    Console.WriteLine("Press Enter to quit or Ctrl+R to restart");

                    restart = WaitForRestart();
                }
            }
        }

        private static bool WaitForRestart()
        {
            while (true)
            {
                // clear users input
                Console.CursorLeft = 0;
                Console.Write(' ');
                Console.CursorLeft = 0;

                // read users input
                var key = Console.ReadKey();
                if ((key.Modifiers & ConsoleModifiers.Control) != 0
                    && key.Key == ConsoleKey.R)
                {
                    return true;
                }
                if (key.Key == ConsoleKey.Enter || key.Key == ConsoleKey.Escape)
                {
                    return false;
                }
            }
        }
    }
}