// -----------------------------------------------------------------------
// <copyright file="StatusService.cs" company="Microsoft">
// TODO: Update copyright text.
// </copyright>
// -----------------------------------------------------------------------


using System;
using System.ServiceModel.Description;
using Caliburn.Micro;
using System.ServiceModel;
using System.ComponentModel.Composition;
using Pithos.Core;
using Pithos.Interfaces;

namespace Pithos.Client.WPF.Services
{
    /// <summary>
    /// TODO: Update summary.
    /// </summary>
    [ServiceBehavior(ConcurrencyMode=ConcurrencyMode.Reentrant, UseSynchronizationContext=false, IncludeExceptionDetailInFaults = true)]
    [Export]
    public class StatusService : IStatusService,ISettingsService, ICommandsService
    {
        [Import]
        public IPithosSettings Settings { get; set; }

        [Import]
        public IStatusChecker Checker { get; set; }

        [Import]
        public PithosMonitor Monitor { get; set; }

        [Import]
        public IEventAggregator Events { get; set; }

        public StatusService()
        {
            IoC.BuildUp(this);
        }        

        public FileOverlayStatus GetStatus(string filePath)
        {
            return Checker.GetFileOverlayStatus(filePath);
        }

        public void DisplayProperties(string filePath)
        {
            //Monitor.
        }

        public PithosSettingsData GetSettings()
        {
            var data = new PithosSettingsData(Settings);
            return data;
        }

        public void ShowProperties(string fileName)
        {
            Events.Publish(new ShowFilePropertiesEvent(fileName));
        }

        public static ServiceHost Start()
        {
            // Create a ServiceHost for the CalculatorService type and provide the base address.
            var baseAddress = new Uri("net.pipe://localhost/pithos");
            var service = new ServiceHost(typeof(StatusService), baseAddress);

            var binding = new NetNamedPipeBinding(NetNamedPipeSecurityMode.None);

            service.AddServiceEndpoint(typeof(IStatusService), binding, "net.pipe://localhost/pithos/statuscache");
            service.AddServiceEndpoint(typeof(ISettingsService), binding, "net.pipe://localhost/pithos/settings");
            service.AddServiceEndpoint(typeof(ICommandsService), binding, "net.pipe://localhost/pithos/commands");


            //// Add a mex endpoint
            var smb = new ServiceMetadataBehavior
                          { 
                              HttpGetEnabled = true,
                              HttpGetUrl = new Uri("http://localhost:30000/pithos/mex")
                          };
            service.Description.Behaviors.Add(smb);

            service.Faulted+=OnError;
            service.Open();
            return service;
        }

        private static void OnError(object sender, EventArgs e)
        {
            
        }

        public static void Stop(ServiceHost statusService)
        {
            if (statusService == null)
                return;

            if (statusService.State == CommunicationState.Faulted)
                statusService.Abort();
            else if (statusService.State != CommunicationState.Closed)
                statusService.Close();            

        }
    }
}