/// url = 'http://hl7.org/fhir/StructureMap/Account5to4B'
/// name = 'Account5to4B'
/// title = 'FML Conversion for Account: R5 to R4B'
/// status = 'active'

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

  s:active - t:active
  s:inactive - t:inactive
  s:"entered-in-error" - t:"entered-in-error"
  s:"on-hold" - t:"on-hold"
  s:unknown - t:unknown
}

uses "http://hl7.org/fhir/StructureDefinition/Account" alias AccountR5 as source
uses "http://hl7.org/fhir/4.3/StructureDefinition/Account" alias AccountR4B as target

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

group Account(source src : AccountR5, target tgt : AccountR4B) extends DomainResource <<type+>> {
  src.identifier -> tgt.identifier;
  src.status as v -> tgt.status = translate(v, '#AccountStatus', 'code');
  src.type -> tgt.type; // version-specific extension needs to be applied here
  src.name -> tgt.name;
  src.subject -> tgt.subject;
  src.servicePeriod -> tgt.servicePeriod;
  src.coverage as s -> tgt.coverage as t then AccountCoverage(s, t);
  src.owner -> tgt.owner;
  src.description -> tgt.description;
  src.guarantor as s -> tgt.guarantor as t then AccountGuarantor(s, t);
}

group AccountCoverage(source src, target tgt) extends BackboneElement {
  src.coverage -> tgt.coverage;
  src.priority -> tgt.priority;
}

group AccountGuarantor(source src, target tgt) extends BackboneElement {
  src.party -> tgt.party;
  src.onHold -> tgt.onHold;
  src.period -> tgt.period;
}