/// url = 'http://hl7.org/fhir/StructureMap/Patient5to4'
/// name = 'Patient5to4'
/// title = 'FML Conversion for Patient: R5 to R4'
/// status = 'active'

conceptmap "AdministrativeGender" {
  prefix s = "http://hl7.org/fhir/administrative-gender"
  prefix t = "http://hl7.org/fhir/4.0/administrative-gender"

  s:male - t:male
  s:female - t:female
  s:other - t:other
  s:unknown - t:unknown
}

conceptmap "LinkType" {
  prefix s = "http://hl7.org/fhir/link-type"
  prefix t = "http://hl7.org/fhir/4.0/link-type"

  s:"replaced-by" - t:"replaced-by"
  s:replaces - t:replaces
  s:refer - t:refer
  s:seealso - t:seealso
}

uses "http://hl7.org/fhir/StructureDefinition/Patient" alias PatientR5 as source
uses "http://hl7.org/fhir/4.0/StructureDefinition/Patient" alias PatientR4 as target

imports "http://hl7.org/fhir/StructureMap/*5to4"

group Patient(source src : PatientR5, target tgt : PatientR4) extends DomainResource <<type+>> {
  src.identifier -> tgt.identifier;
  src.active -> tgt.active;
  src.name -> tgt.name;
  src.telecom -> tgt.telecom;
  src.gender as v -> tgt.gender = translate(v, '#AdministrativeGender', 'code');
  src.birthDate -> tgt.birthDate;
  src.deceased : boolean -> tgt.deceased;
  src.deceased : dateTime -> tgt.deceased;
  src.address -> tgt.address;
  src.maritalStatus -> tgt.maritalStatus;
  src.multipleBirth : boolean -> tgt.multipleBirth;
  src.multipleBirth : integer -> tgt.multipleBirth;
  src.photo -> tgt.photo;
  src.contact as s -> tgt.contact as t then PatientContact(s, t);
  src.communication as s -> tgt.communication as t then PatientCommunication(s, t);
  src.generalPractitioner -> tgt.generalPractitioner;
  src.managingOrganization -> tgt.managingOrganization;
  src.link as s -> tgt.link as t then PatientLink(s, t);
}

group PatientContact(source src, target tgt) extends BackboneElement {
  src.relationship -> tgt.relationship;
  src.name -> tgt.name;
  src.telecom -> tgt.telecom;
  src.address -> tgt.address;
  src.gender as v -> tgt.gender = translate(v, '#AdministrativeGender', 'code');
  src.organization -> tgt.organization;
  src.period -> tgt.period;
}

group PatientCommunication(source src, target tgt) extends BackboneElement {
  src.language -> tgt.language;
  src.preferred -> tgt.preferred;
}

group PatientLink(source src, target tgt) extends BackboneElement {
  src.other -> tgt.other;
  src.type as v -> tgt.type = translate(v, '#LinkType', 'code');
}