/// <inheritdoc/>
        protected override Act MapToModel(AdverseEvent resource)
        {
#if !DEBUG
            throw new NotSupportedException();
#endif

            var retVal = new Act();

            if (!Guid.TryParse(resource.Id, out var key))
            {
                key = Guid.NewGuid();
            }

            retVal.ClassConceptKey = ActClassKeys.Act;

            //      retVal.StatusConceptKey = StatusKeys.Active;

            retVal.Key = key;

            retVal.MoodConceptKey = ActMoodKeys.Eventoccurrence;

            // map identifier to identifiers
            retVal.Identifiers.Add(DataTypeConverter.ToActIdentifier(resource.Identifier));

            /* retVal.Identifiers = new List<ActIdentifier>
             * {
             *  DataTypeConverter.ToActIdentifier(resource.Identifier)
             * };*/

            //map category to type concept
            retVal.TypeConcept = DataTypeConverter.ToConcept(resource.Category.FirstOrDefault());

            // map subject to patient
            if (resource.Subject != null)
            {
                retVal.Participations.Add(resource.Subject.Reference.StartsWith("urn:uuid:") ? new ActParticipation(ActParticipationKey.RecordTarget, Guid.Parse(resource.Subject.Reference.Substring(9))): new ActParticipation(ActParticipationKey.RecordTarget, DataTypeConverter.ResolveEntity <Core.Model.Roles.Patient>(resource.Subject, resource)));
            }

            // map date element to act time
            var occurTime = (DateTimeOffset)DataTypeConverter.ToDateTimeOffset(resource.DateElement);
            var targetAct = new CodedObservation()
            {
                ActTime = occurTime
            };

            retVal.Relationships.Add(new ActRelationship(ActRelationshipTypeKeys.HasSubject, targetAct));
            retVal.ActTime = occurTime;

            // map event to relationships
            var reactionTarget = new CodedObservation()
            {
                Value = DataTypeConverter.ToConcept(resource.Event)
            };
            targetAct.Relationships.Add(new ActRelationship(ActRelationshipTypeKeys.HasManifestation, reactionTarget));

            // map location to place
            if (resource.Location != null)
            {
                retVal.Participations.Add(resource.Location.Reference.StartsWith("urn:uuid:") ? new ActParticipation(ActParticipationKey.Location, Guid.Parse(resource.Location.Reference.Substring(9))) : new ActParticipation(ActParticipationKey.Location, DataTypeConverter.ResolveEntity <Core.Model.Entities.Place>(resource.Location, resource)));

                // retVal.Participations.Add(new ActParticipation(ActParticipationKey.Location, DataTypeConverter.ResolveEntity<Core.Model.Entities.Place>(resource.Location, resource)));
            }

            // map seriousness to relationships
            if (resource.Severity != null)
            {
                var severityTarget = new CodedObservation()
                {
                    Value = DataTypeConverter.ToConcept(resource.Severity.Coding.FirstOrDefault(), "http://terminology.hl7.org/CodeSystem/adverse-event-severity"), TypeConceptKey = ObservationTypeKeys.Severity
                };
                targetAct.Relationships.Add(new ActRelationship(ActRelationshipTypeKeys.HasComponent, severityTarget));
            }

            // map recoder to provider
            if (resource.Recorder != null)
            {
                retVal.Participations.Add(resource.Recorder.Reference.StartsWith("urn:uuid:") ? new ActParticipation(ActParticipationKey.Authororiginator, Guid.Parse(resource.Recorder.Reference.Substring(9))) : new ActParticipation(ActParticipationKey.Authororiginator, DataTypeConverter.ResolveEntity <Core.Model.Roles.Provider>(resource.Recorder, resource)));

                //  retVal.Participations.Add(new ActParticipation(ActParticipationKey.Authororiginator, DataTypeConverter.ResolveEntity<Core.Model.Roles.Provider>(resource.Recorder, resource)));
            }

            // map outcome to status concept key or relationships

            if (resource.Outcome != null)
            {
                if (resource.Outcome.Coding.Any(o => o.System == "http://hl7.org/fhir/adverse-event-outcome"))
                {
                    if (resource.Outcome.Coding.Any(o => o.Code == "fatal"))
                    {
                        retVal.Relationships.Add(new ActRelationship(ActRelationshipTypeKeys.IsCauseOf, new CodedObservation {
                            TypeConceptKey = ObservationTypeKeys.ClinicalState, ValueKey = Guid.Parse("6df3720b-857f-4ba2-826f-b7f1d3c3adbb")
                        }));
                    }
                    else if (resource.Outcome.Coding.Any(o => o.Code == "ongoing"))
                    {
                        retVal.StatusConceptKey = StatusKeys.Active;
                    }
                    else if (resource.Outcome.Coding.Any(o => o.Code == "resolved"))
                    {
                        retVal.StatusConceptKey = StatusKeys.Completed;
                    }
                }
            }

            //  map instance to relationships and participations
            if (resource.SuspectEntity != null)
            {
                foreach (var component in resource.SuspectEntity)
                {
                    var adm = new SubstanceAdministration();
                    if (component.Instance.GetType() == typeof(Medication))
                    {
                        adm.Participations.Add(component.Instance.Reference.StartsWith("urn:uuid:") ? new ActParticipation(ActParticipationKey.Consumable, Guid.Parse(component.Instance.Reference.Substring(9))) : new ActParticipation(ActParticipationKey.Consumable, DataTypeConverter.ResolveEntity <Core.Model.Entities.ManufacturedMaterial>(component.Instance, resource)));

                        //  adm.Participations.Add(new ActParticipation(ActParticipationKey.Consumable, DataTypeConverter.ResolveEntity<Core.Model.Entities.ManufacturedMaterial>(component.Instance, resource)));

                        retVal.Relationships.Add(new ActRelationship(ActRelationshipTypeKeys.RefersTo, adm));
                    }
                    else if (component.Instance.GetType() == typeof(Substance))
                    {
                        adm.Participations.Add((component.Instance.Reference.StartsWith("urn:uuid:") ? new ActParticipation(ActParticipationKey.Product, Guid.Parse(component.Instance.Reference.Substring(9))) : new ActParticipation(ActParticipationKey.Product, DataTypeConverter.ResolveEntity <Core.Model.Entities.Material>(component.Instance, resource))));

                        //  adm.Participations.Add(new ActParticipation(ActParticipationKey.Product, DataTypeConverter.ResolveEntity<Core.Model.Entities.Material>(component.Instance, resource)));

                        retVal.Relationships.Add(new ActRelationship(ActRelationshipTypeKeys.RefersTo, adm));
                    }
                }
            }
            return(retVal);
        }