/// <summary>
        /// Maps data from the .Net property value to the CMS value
        /// </summary>
        /// <param name="mappingContext"></param>
        /// <exception cref="MapperException">You can not set an empty or null Item name</exception>
        /// <exception cref="System.NotSupportedException">
        /// Can't set Name. Value is not of type System.String
        /// or
        /// You can not save UmbracoInfo {0}.Formatted(config.Type)
        /// </exception>
        public override void MapToCms(AbstractDataMappingContext mappingContext)
        {
            var context = mappingContext as UmbracoDataMappingContext;
            var content = context.Content;
            var value = context.PropertyValue;
            var config = Configuration as UmbracoInfoConfiguration;

            switch (config.Type)
            {
                case UmbracoInfoType.Name:
                    if (value is string || value == null)
                    {
                        //if the name is null or empty nothing should happen
                        if ((value ?? string.Empty).ToString().IsNullOrEmpty())
                            throw new MapperException("You can not set an empty or null Item name");

                        if (content.Name != value.ToString())
                        {
                            content.Name = value.ToString();
                            context.Service.ContentService.Save(content);
                        }
                    }
                    else
                        throw new NotSupportedException("Can't set Name. Value is not of type System.String");
                    break;
                default:
                    throw new NotSupportedException("You can not save UmbracoInfo {0}".Formatted(config.Type));
            }
        }

        /// <summary>
        /// Maps data from the CMS value to the .Net property value
        /// </summary>
        /// <param name="mappingContext">The mapping context.</param>
        /// <returns>System.Object.</returns>
        public override object MapToProperty(AbstractDataMappingContext mappingContext)
        {
            var scConfig = Configuration as SitecoreNodeConfiguration;
            var scContext = mappingContext as SitecoreDataMappingContext;
            var item = scContext.Item;

            Item targetItem = null;

            if (scConfig.Id.IsNotNullOrEmpty())
            {
                var guid = Guid.Empty;

                if (Guid.TryParse(scConfig.Id, out guid) && guid != Guid.Empty)
                {
                    targetItem = item.Database.GetItem(new ID(guid), item.Language);
                }
            }
            else if (!scConfig.Path.IsNullOrEmpty())
            {
                targetItem = item.Database.GetItem(scConfig.Path, item.Language);
            }

            if (targetItem == null || targetItem.Versions.Count == 0)
            {
                return null;
            }
            else
            {
                return scContext.Service.CreateType(scConfig.PropertyInfo.PropertyType, targetItem, scConfig.IsLazy,
                                                     scConfig.InferType, null);
            }

        }

        /// <summary>
        /// Maps data from the CMS value to the .Net property value
        /// </summary>
        /// <param name="mappingContext"></param>
        /// <returns></returns>
        /// <exception cref="MapperException">UmbracoInfoType {0} not supported.Formatted(config.Type)</exception>
        public override object MapToProperty(AbstractDataMappingContext mappingContext)
        {
            var context = mappingContext as UmbracoDataMappingContext;
            var content = context.Content;
            var config = Configuration as UmbracoInfoConfiguration;

            switch (config.Type)
            {
                case UmbracoInfoType.Name:
                    return content.Name;
                case UmbracoInfoType.Path:
                    return content.Path;
                case UmbracoInfoType.ContentTypeAlias:
                    return content.ContentType.Alias;
                case UmbracoInfoType.ContentTypeName:
                    return content.ContentType.Name;
                //case UmbracoInfoType.Url:
                //    return content.Name.FormatUrl().ToLower();
                case UmbracoInfoType.CreateDate:
                    return content.CreateDate;
                case UmbracoInfoType.UpdateDate:
                    return content.UpdateDate;
                case UmbracoInfoType.Version:
                    return content.Version;
                case UmbracoInfoType.Creator:
                    var user = new User(content.CreatorId);
                    return user.LoginName;
                default:
                    throw new MapperException("UmbracoInfoType {0} not supported".Formatted(config.Type));
            }
        }

        /// <summary>
        /// Maps data from the CMS value to the .Net property value
        /// </summary>
        /// <param name="mappingContext"></param>
        /// <returns></returns>
        public override object MapToProperty(AbstractDataMappingContext mappingContext)
        {
            var umbContext = mappingContext as UmbracoDataMappingContext;
            var umbConfig = Configuration as UmbracoChildrenConfiguration;

            Type genericType = Utilities.GetGenericArgument(Configuration.PropertyInfo.PropertyType);

            Func<IEnumerable<IContent>> getItems = null;
            if (umbContext.PublishedOnly)
            {
                getItems = () => umbContext.Service.ContentService.GetChildren(umbContext.Content.Id)
                                     .Select(c => umbContext.Service.ContentService.GetPublishedVersion(c.Id));
            }
            else
            {
                getItems = () => umbContext.Service.ContentService.GetChildren(umbContext.Content.Id);
            }

            return Utilities.CreateGenericType(
                typeof(LazyContentEnumerable<>),
                new[] {genericType},
                getItems,
                umbConfig.IsLazy,
                umbConfig.InferType,
                umbContext.Service
                );
        }

        /// <summary>
        /// Maps data from the .Net property value to the CMS value
        /// </summary>
        /// <param name="mappingContext">The mapping context.</param>
        /// <returns>The value to write</returns>
        /// <exception cref="System.NotSupportedException">
        /// Can't set DisplayName. Value is not of type System.String
        /// or
        /// Can't set Name. Value is not of type System.String
        /// or
        /// You can not save SitecoreInfo {0}.Formatted(scConfig.Type)
        /// </exception>
        /// <exception cref="Glass.Mapper.MapperException">You can not set an empty or null Item name</exception>
        public override void MapToCms(AbstractDataMappingContext mappingContext)
        {
            var context = mappingContext as SitecoreDataMappingContext;
            var item = context.Item;
            var value = context.PropertyValue;
            var scConfig = Configuration as SitecoreInfoConfiguration;

            switch (scConfig.Type)
            {
                case SitecoreInfoType.DisplayName:
                    if (value is string || value == null)
                        item[Global.Fields.DisplayName] = (value ?? string.Empty).ToString();
                    else
                        throw new NotSupportedException("Can't set DisplayName. Value is not of type System.String");
                    break;
                case SitecoreInfoType.Name:
                    if (value is string || value == null)
                    {
                        //if the name is null or empty nothing should happen
                        if ((value ?? string.Empty).ToString().IsNullOrEmpty()) 
                            throw new MapperException("You can not set an empty or null Item name");

                        if (item.Name != value.ToString())
                        {
                            item.Name = value.ToString();
                        }

                    }
                    else
                        throw new NotSupportedException("Can't set Name. Value is not of type System.String");
                    break;
                default:
                    throw new NotSupportedException("You can not save SitecoreInfo {0}".Formatted(scConfig.Type));
            }
        }

        /// <summary>
        /// Maps data from the CMS value to the .Net property value
        /// </summary>
        /// <param name="mappingContext">The mapping context.</param>
        /// <returns>System.Object.</returns>
        public override object MapToProperty(AbstractDataMappingContext mappingContext)
        {
            var scContext = mappingContext as SitecoreDataMappingContext;
            var scConfig = Configuration as SitecoreChildrenConfiguration;

            Func<IEnumerable<Item>> getItems = () =>
                ItemManager.GetChildren(scContext.Item, SecurityCheck.Enable, ChildListOptions.None);

            if (_activator == null)
            {
                _activator = Mapper.Utilities.GetActivator(
                    typeof (LazyItemEnumerable<>),
                    new[] {GenericType},
                    getItems,
                    scConfig.IsLazy,
                    scConfig.InferType,
                    scContext.Service);
            }

            return _activator(getItems,
                scConfig.IsLazy,
                scConfig.InferType,
                scContext.Service);

        }

 public override object MapToProperty(AbstractDataMappingContext mappingContext)
 {
     var scContext = mappingContext as SitecoreDataMappingContext;
     if (scContext != null)
     {
         return scContext.Item;
     }
     return null;
 }

        /// <summary>
        /// Maps data from the .Net property value to the CMS value
        /// </summary>
        /// <param name="mappingContext">The mapping context.</param>
        /// <returns>The value to write</returns>
        public override void MapToCms(AbstractDataMappingContext mappingContext)
        {
            var scConfig = Configuration as SitecoreFieldConfiguration;
            var scContext =  mappingContext  as SitecoreDataMappingContext ;

            var field = Utilities.GetField(scContext.Item, scConfig.FieldId, scConfig.FieldName);
            object value = Configuration.PropertyInfo.GetValue(mappingContext.Object, null);

            SetField(field, value, scConfig, scContext);
        }

 public override object MapToProperty(AbstractDataMappingContext mappingContext)
 {
     var scContext = mappingContext as SitecoreDataMappingContext;
       var scConfig = Configuration as SitecoreChildrenConfiguration;
     if (scContext != null && scConfig != null)
     {
         return new ChildrenCast(scContext.Service, scContext.Item, scConfig.IsLazy, scConfig.InferType);
     }
     return null;
 }

        /// <summary>
        /// Maps data from the CMS value to the .Net property value
        /// </summary>
        /// <param name="mappingContext"></param>
        /// <returns></returns>
        public override object MapToProperty(AbstractDataMappingContext mappingContext)
        {
            var umbContext = mappingContext as UmbracoDataMappingContext;
            var umbConfig = Configuration as UmbracoParentConfiguration;

            return umbContext.Service.CreateType(
                umbConfig.PropertyInfo.PropertyType,
                umbContext.Service.ContentService.GetById(umbContext.Content.ParentId),
                umbConfig.IsLazy,
                umbConfig.InferType);
        }

        public override void MapPropertyToCms(AbstractDataMappingContext mappingContext)
        {
            var scConfig = Configuration as SitecoreFieldConfiguration;

            if ((scConfig.Setting & SitecoreFieldSettings.PageEditorOnly) == SitecoreFieldSettings.PageEditorOnly)
            {
                return;
            }

            base.MapPropertyToCms(mappingContext);
        }

        /// <summary>
        /// Maps data from the CMS value to the .Net property value
        /// </summary>
        /// <param name="mappingContext">The mapping context.</param>
        /// <returns>System.Object.</returns>
        public override object MapToProperty(AbstractDataMappingContext mappingContext)
        {
            var scContext = mappingContext as SitecoreDataMappingContext;
            var scConfig = Configuration as SitecoreParentConfiguration;

            return scContext.Service.CreateType(
                scConfig.PropertyInfo.PropertyType,
                scContext.Item.Parent,
                scConfig.IsLazy,
                scConfig.InferType);
        }

        public override object MapToProperty(AbstractDataMappingContext mappingContext)
        {
            var scContext = mappingContext as SitecoreDataMappingContext;
            var scConfig = Configuration as SitecoreSelfConfiguration;

            if (scContext != null && scConfig != null)
            {
                return scContext.Service.CreateType(scConfig.PropertyInfo.PropertyType, scContext.Item, scConfig.IsLazy, scConfig.InferType, null);
            }
            return null;
        }

        /// <summary>
        /// Maps data from the CMS value to the .Net property value
        /// </summary>
        /// <param name="mappingContext">The mapping context.</param>
        /// <returns>System.Object.</returns>
        public override object MapToProperty(AbstractDataMappingContext mappingContext)
        {
            var scConfig = Configuration as SitecoreFieldConfiguration;
            var scContext = mappingContext as SitecoreDataMappingContext;

            var field = Utilities.GetField(scContext.Item, scConfig.FieldId, scConfig.FieldName);

            if (field == null)
                return null;

            return GetField(field, scConfig, scContext);
        }

        /// <summary>
        /// Maps data from the CMS value to the .Net property value
        /// </summary>
        /// <param name="mappingContext"></param>
        /// <returns></returns>
        /// <exception cref="System.NotSupportedException">The type {0} on {0}.{1} is not supported by UmbracoIdMapper.Formatted
        ///                                                 (umbConfig.PropertyInfo.ReflectedType.FullName,
        ///                                                  umbConfig.PropertyInfo.Name)</exception>
        public override object MapToProperty(AbstractDataMappingContext mappingContext)
        {
            UmbracoDataMappingContext context = mappingContext as UmbracoDataMappingContext;
            var node = context.Content;

            var umbConfig = Configuration as UmbracoIdConfiguration;

            if (umbConfig.PropertyInfo.PropertyType == typeof(int))
                return node.Id;
            if (umbConfig.PropertyInfo.PropertyType == typeof(Guid))
                return node.Key;
            
            throw new NotSupportedException("The type {0} on {0}.{1} is not supported by UmbracoIdMapper".Formatted
                                                (umbConfig.PropertyInfo.ReflectedType.FullName,
                                                 umbConfig.PropertyInfo.Name));
        }

        public override object MapToProperty(AbstractDataMappingContext mappingContext)
        {
            var config = Configuration as UmbracoDelegateConfiguration;
            var context = mappingContext as UmbracoDataMappingContext;
            if (config == null)
            {
                throw new ArgumentException("A delegate property configuration was expected");
            }

            if (context == null)
            {
                throw new ArgumentException("A sitecore data mapping context was expected");
            }

            return config.MapToPropertyAction == null
                ? null
                : config.MapToPropertyAction(context);
        }

        /// <summary>
        /// Maps data from the CMS value to the .Net property value
        /// </summary>
        /// <param name="mappingContext">The mapping context.</param>
        /// <returns>System.Object.</returns>
        public override object MapToProperty(AbstractDataMappingContext mappingContext)
        {
            var scContext = mappingContext as SitecoreDataMappingContext;
            var scConfig = Configuration as SitecoreChildrenConfiguration;

            Type genericType = Utilities.GetGenericArgument(Configuration.PropertyInfo.PropertyType);

            Func<IEnumerable<Item>> getItems = () => scContext.Item.Children;

            return Utilities.CreateGenericType(
                typeof (LazyItemEnumerable<>),
                new[] {genericType},
                getItems,
                scConfig.IsLazy,
                scConfig.InferType,
                scContext.Service
                );

        }

        /// <summary>
        /// Maps data from the CMS value to the .Net property value
        /// </summary>
        /// <param name="mappingContext">The mapping context.</param>
        /// <returns>System.Object.</returns>
        /// <exception cref="System.NotSupportedException">The type {0} on {0}.{1} is not supported by SitecoreIdMapper.Formatted
        ///                                                     (scConfig.PropertyInfo.ReflectedType.FullName,
        ///                                                         scConfig.PropertyInfo.Name)</exception>
        public override object MapToProperty(AbstractDataMappingContext mappingContext)
        {

            SitecoreDataMappingContext context = (SitecoreDataMappingContext)mappingContext;
            var item = context.Item;

            var scConfig = Configuration;

            if (scConfig.PropertyInfo.PropertyType == typeof(Guid))
                return item.ID.Guid;
            else if (scConfig.PropertyInfo.PropertyType == typeof(ID))
                return item.ID;
            else
            {
                throw new NotSupportedException("The type {0} on {0}.{1} is not supported by SitecoreIdMapper".Formatted
                                                    (scConfig.PropertyInfo.ReflectedType.FullName,
                                                        scConfig.PropertyInfo.Name));
            }

        }

        /// <summary>
        /// Maps data from the CMS value to the .Net property value
        /// </summary>
        /// <param name="mappingContext">The mapping context.</param>
        /// <returns>System.Object.</returns>
        public override object MapToProperty(AbstractDataMappingContext mappingContext)
        {
            var scConfig = Configuration as SitecoreLinkedConfiguration;
            var scContext = mappingContext as SitecoreDataMappingContext;

            Type genericType = Mapper.Utilities.GetGenericArgument(scConfig.PropertyInfo.PropertyType);

            var item = scContext.Item;

            var linkDb = global::Sitecore.Globals.LinkDatabase;

            //ME - i am not sure this is correct but there is an odd behaviour of references
            // languges come back as invariant, going with default language in this scenario
            var references = new Func<IEnumerable<Item>>(() =>{
                        var itemLinks = linkDb.GetReferences(item);
                        var items = itemLinks.Select(x => x.GetTargetItem());
                        return Utilities.GetLanguageItems(items, LanguageManager.DefaultLanguage, scContext.Service.ItemVersionHandler);
                });

            var getItems = new Func<IEnumerable<Item>>(() =>
            {


                switch (scConfig.Option)
                {
                    case SitecoreLinkedOptions.All:
                        var itemLinks1 = references();
                        var itemLinks2 = linkDb.GetReferrers(item);
                        return itemLinks1.Union(itemLinks2.Select(x => x.GetSourceItem()));
                    case SitecoreLinkedOptions.References:
                        return references();
                    case SitecoreLinkedOptions.Referrers:
                        var itemLinks4 = linkDb.GetReferrers(item);
                        return itemLinks4.Select(x => x.GetSourceItem());
                    default:
                        return new List<Item>();
                }
            });

            return scContext.Service.CreateTypes(genericType, getItems, scConfig.IsLazy, scConfig.InferType);
        }

        public override void MapToCms(AbstractDataMappingContext mappingContext)
        {
            var config = Configuration as SitecoreDelegateConfiguration;
            var context = mappingContext as SitecoreDataMappingContext;
            if (config == null)
            {
                throw new ArgumentException("A delegate property configuration was expected");
            }

            if (context == null)
            {
                throw new ArgumentException("A sitecore data mapping context was expected");
            }

            if (config.MapToCmsAction == null)
            {
                return;
            }

            config.MapToCmsAction(context);
        }