map "http://hl7.org/fhir/StructureMap/VisionPrescription3to4" = "R3 to R4 Conversions for VisionPrescription"

uses "http://hl7.org/fhir/3.0/StructureDefinition/VisionPrescription" alias VisionPrescriptionR3 as source
uses "http://hl7.org/fhir/StructureDefinition/VisionPrescription" alias VisionPrescription as target

imports "http://hl7.org/fhir/StructureMap/*3to4"

group VisionPrescription(source src : VisionPrescriptionR3, target tgt : VisionPrescription) extends DomainResource <<type+>> {
  src.identifier -> tgt.identifier;
  src.status -> tgt.status;
  src.patient -> tgt.patient;
  src.encounter -> tgt.encounter;
  src.dateWritten -> tgt.dateWritten;
  src.prescriber -> tgt.prescriber;
  src.reason as v ->  tgt.extension as vt,  vt.url = 'http://hl7.org/fhir/3.0/StructureDefinition/extension-VisionPrescription.Reason',  vt.value = v;
  src.dispense as s -> tgt.lensSpecification as t then dispense(s, t);
}

group dispense(source src, target tgt) extends BackboneElement {
  src.product -> tgt.product;
  src.eye -> tgt.eye;
  src.sphere -> tgt.sphere;
  src.cylinder -> tgt.cylinder;
  src.axis -> tgt.axis;
  src where src.prism.exists() or src.base.exists() -> tgt.prism as t then {
    src.prism -> t.amount;
    src.base -> t.base;
  } "prism";
  src.add -> tgt.add;
  src.power -> tgt.power;
  src.backCurve -> tgt.backCurve;
  src.diameter -> tgt.diameter;
  src.duration -> tgt.duration;
  src.color -> tgt.color;
  src.brand -> tgt.brand;
  src.note -> tgt.note;
}

map "http://hl7.org/fhir/StructureMap/VisionPrescription4to3" = "R4 to R3 Conversion for VisionPrescription"

uses "http://hl7.org/fhir/StructureDefinition/VisionPrescription" alias VisionPrescription as source
uses "http://hl7.org/fhir/3.0/StructureDefinition/VisionPrescription" alias VisionPrescriptionR3 as target

imports "http://hl7.org/fhir/StructureMap/*4to3"

group VisionPrescription(source src : VisionPrescription, target tgt : VisionPrescriptionR3) extends DomainResource <<type+>> {
  src.identifier -> tgt.identifier;
  src.status -> tgt.status;
  src.patient -> tgt.patient;
  src.encounter -> tgt.encounter;
  src.dateWritten -> tgt.dateWritten;
  src.prescriber -> tgt.prescriber;
  src.extension as e where url = 'http://hl7.org/fhir/3.0/StructureDefinition/extension-VisionPrescription.reason' then {
    e.value -> tgt.reason;
  };
  src.lensSpecification as s -> tgt.dispense as t then dispense(s, t);
}

group dispense(source src, target tgt) extends BackboneElement {
  src.product -> tgt.product;
  src.eye -> tgt.eye;
  src.sphere -> tgt.sphere;
  src.cylinder -> tgt.cylinder;
  src.axis -> tgt.axis;
  src.prism as s then {
    s.amount -> tgt.prism;
    s.base -> tgt.base;
  };
  src.add -> tgt.add;
  src.power -> tgt.power;
  src.backCurve -> tgt.backCurve;
  src.diameter -> tgt.diameter;
  src.duration -> tgt.duration;
  src.color -> tgt.color;
  src.brand -> tgt.brand;
  src.note -> tgt.note;
}