/// url = 'http://hl7.org/fhir/StructureMap/DocumentReference4Bto5'
/// name = 'DocumentReference4Bto5'
/// title = 'FML Conversion for DocumentReference: R4B to R5'
/// status = 'active'

conceptmap "DocumentReferenceStatus" {
  prefix s = "http://hl7.org/fhir/4.3/document-reference-status"
  prefix t = "http://hl7.org/fhir/document-reference-status"

  s:current - t:current
  s:superseded - t:superseded
  s:"entered-in-error" - t:"entered-in-error"
}

conceptmap "ReferredDocumentStatus" {
  prefix s = "http://hl7.org/fhir/4.3/composition-status"
  prefix t = "http://hl7.org/fhir/composition-status"

  s:preliminary - t:preliminary
  s:final - t:final
  s:amended - t:amended
  s:"entered-in-error" - t:"entered-in-error"
}

uses "http://hl7.org/fhir/4.3/StructureDefinition/DocumentReference" alias DocumentReferenceR4B as source
uses "http://hl7.org/fhir/StructureDefinition/DocumentReference" alias DocumentReferenceR5 as target

imports "http://hl7.org/fhir/StructureMap/*4Bto5"

group DocumentReference(source src : DocumentReferenceR4B, target tgt : DocumentReferenceR5) extends DomainResource <<type+>> {
  src.masterIdentifier -> tgt.identifier;
  src.identifier -> tgt.identifier;
  src.status as v -> tgt.status = translate(v, '#DocumentReferenceStatus', 'code'); // src.version -> tgt.version;
  src.docStatus as v -> tgt.docStatus = translate(v, '#ReferredDocumentStatus', 'code');
  src.type -> tgt.type; // src.modality -> tgt.modality;
  src.category -> tgt.category;
  src.subject -> tgt.subject;
  src.context as s -> tgt then {
    s.encounter : Reference -> tgt.context;
    s.event : CodeableConcept -> tgt.event;
    s.period -> tgt.period;
    s.facilityType -> tgt.facilityType;
    s.practiceSetting -> tgt.practiceSetting;
  };
  src.date -> tgt.date; // src.bodySite -> tgt.bodySite;
  src.author -> tgt.author;
  src.authenticator as s ->  tgt.attester as t,  t.mode = 'professional'; // src.authenticator as s -> tgt.attester as t, t.mode = 'professional', t.party = s;
  src.authenticator : Reference as s ->  tgt.attester as t,  t.party = s;
  src.custodian -> tgt.custodian;
  src.relatesTo as s -> tgt.relatesTo as t then DocumentReferenceRelatesTo(s, t);
  src.description -> tgt.description;
  src.securityLabel -> tgt.securityLabel;
  src.content as s -> tgt.content as t then DocumentReferenceContent(s, t);
}

group DocumentReferenceRelatesTo(source src, target tgt) extends BackboneElement {
  src.code as s ->  tgt.code = create('CodeableConcept') as tc,  tc.coding = create('Coding') as tcc,  tcc.system = 'http://hl7.org/fhir/document-relationship-type',  tcc.code = s;
  src.target -> tgt.target;
}

group DocumentReferenceContent(source src, target tgt) extends BackboneElement {
  src.attachment -> tgt.attachment;
  src.format : Coding as s ->  tgt.profile as t,  t.value = s;
}