/// url = 'http://hl7.org/fhir/StructureMap/DeviceRequest5to4B'
/// name = 'DeviceRequest5to4B'
/// title = 'FML Conversion for DeviceRequest: R5 to R4B'
/// status = 'active'

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

  s:draft - t:draft
  s:active - t:active
  s:"on-hold" - t:"on-hold"
  s:revoked - t:revoked
  s:completed - t:completed
  s:"entered-in-error" - t:"entered-in-error"
  s:unknown - t:unknown
}

conceptmap "RequestIntent" {
  prefix s = "http://hl7.org/fhir/request-intent"
  prefix t = "http://hl7.org/fhir/4.3/request-intent"

  s:proposal - t:proposal
  s:plan - t:plan
  s:directive - t:directive
  s:order - t:order
  s:"original-order" - t:"original-order"
  s:"reflex-order" - t:"reflex-order"
  s:"filler-order" - t:"filler-order"
  s:"instance-order" - t:"instance-order"
  s:option - t:option
}

conceptmap "RequestPriority" {
  prefix s = "http://hl7.org/fhir/request-priority"
  prefix t = "http://hl7.org/fhir/4.3/request-priority"

  s:routine - t:routine
  s:urgent - t:urgent
  s:asap - t:asap
  s:stat - t:stat
}

uses "http://hl7.org/fhir/StructureDefinition/DeviceRequest" alias DeviceRequestR5 as source
uses "http://hl7.org/fhir/4.3/StructureDefinition/DeviceRequest" alias DeviceRequestR4B as target

imports "http://hl7.org/fhir/StructureMap/*5to4B"

group DeviceRequest(source src : DeviceRequestR5, target tgt : DeviceRequestR4B) extends DomainResource <<type+>> {
  src.identifier -> tgt.identifier;
  src.instantiatesCanonical -> tgt.instantiatesCanonical;
  src.instantiatesUri -> tgt.instantiatesUri;
  src.basedOn -> tgt.basedOn;
  src.groupIdentifier -> tgt.groupIdentifier; // src.replaces -> tgt.replaces;
  src.status as v -> tgt.status = translate(v, '#DeviceRequestStatus', 'code');
  src.intent as v -> tgt.intent = translate(v, '#RequestIntent', 'code');
  src.priority as v -> tgt.priority = translate(v, '#RequestPriority', 'code');
  src.code -> tgt.code; // src.doNotPerform -> tgt.doNotPerform;
  src.parameter as s -> tgt.parameter as t then DeviceRequestParameter(s, t); // src.quantity -> tgt.quantity;
  src.subject -> tgt.subject;
  src.encounter -> tgt.encounter;
  src.occurrence : dateTime -> tgt.occurrence;
  src.occurrence : Period -> tgt.occurrence;
  src.occurrence : Timing -> tgt.occurrence;
  src.authoredOn -> tgt.authoredOn;
  src.requester -> tgt.requester;
  src.performer -> tgt.performer;
  src.reason -> tgt.reasonCode;
  src.reason -> tgt.reasonReference;
  src.insurance -> tgt.insurance; // src.asNeeded -> tgt.asNeeded;
  src.supportingInfo -> tgt.supportingInfo;
  src.note -> tgt.note;
  src.relevantHistory -> tgt.relevantHistory;
}

group DeviceRequestParameter(source src, target tgt) extends BackboneElement {
  src.code -> tgt.code;
  src.value : CodeableConcept -> tgt.value;
  src.value : Quantity -> tgt.value;
  src.value : Range -> tgt.value;
  src.value : boolean -> tgt.value;
}