// -----------------------------------------------------------------------
// <copyright file="StatusService.cs" company="GRNet">
// Copyright 2011-2012 GRNET S.A. All rights reserved.
// 
// Redistribution and use in source and binary forms, with or
// without modification, are permitted provided that the following
// conditions are met:
// 
//   1. Redistributions of source code must retain the above
//      copyright notice, this list of conditions and the following
//      disclaimer.
// 
//   2. Redistributions in binary form must reproduce the above
//      copyright notice, this list of conditions and the following
//      disclaimer in the documentation and/or other materials
//      provided with the distribution.
// 
// THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
// USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
// 
// The views and conclusions contained in the software and
// documentation are those of the authors and should not be
// interpreted as representing official policies, either expressed
// or implied, of GRNET S.A.
// </copyright>
// -----------------------------------------------------------------------


using System;
using System.Diagnostics;
using System.Linq;
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 void GotoSite(string filePath)
        {
            if (string.IsNullOrWhiteSpace(filePath))
                return;
            var activeAccount = Settings.Accounts.FirstOrDefault(acc => filePath.StartsWith(acc.RootPath, StringComparison.InvariantCultureIgnoreCase));
            var address = String.Format("{0}/ui/?token={1}&user={2}",
                                        activeAccount.ServerUrl,
                                        activeAccount.ApiKey,
                                        Uri.EscapeUriString(activeAccount.AccountName));
            
            Process.Start(address);

        }

        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();            

        }
    }
}