map "http://hl7.org/fhir/uv/sdc/StructureMap/SDOHCC-StructureMapHungerVitalSign" = "SDOHCCStructureMapHungerVitalSign"

// A map that converts an SDOCC hunger vital sign questionnaire to a Bundle of Conditions and Observations

uses "http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse" alias questionnaireResponse as source
uses "http://hl7.org/fhir/StructureDefinition/Bundle" alias bundle as target
uses "http://hl7.org/fhir/StructureDefinition/Observation" alias observation as target
uses "http://hl7.org/fhir/StructureDefinition/Condition" alias sdohccCondition as target
uses "http://hl7.org/fhir/StructureDefinition/Observation" alias sdohccObservation as target

group sdohMapping(source src : questionnaireResponse, target bundle : Bundle) {
  src -> bundle.id = 'SDOHCC-BundleHungerVitalSignExample' "bundleId";
  src -> bundle.type = 'transaction' "bundleType";
  src.item as answerItem3 where linkId = '/88124-3' ->  bundle.entry as entry,  entry.resource = create('Observation') as observation3 then TransformObservation(src, answerItem3, observation3, entry);
  src.item where (linkId = '/88124-3') and (answer.value.code = 'LA19952-3') ->  bundle.entry as entry,  entry.resource = create('Condition') as condition then TransformCondition(src, bundle, condition, entry);
}

group TransformObservation(source src : questionnaireResponse, source answerItem, target observation : Observation, target entry) {
  src -> entry.request as request then {
    src -> request.method = 'POST' "obsnRequestMethod";
    src -> request.url = 'Observation' "obsnRequestUrl";
  } "obsnEntryRequest";
  src -> observation.id = 'SDOHCC-ObservationResponseHungerVitalSignQuestion3Example' then SetObservationFullUrl(observation, entry) "obsn3Id";
  src -> observation.meta = create('Meta') as newMeta then {
    src -> newMeta.profile = 'http://hl7.org/fhir/us/sdoh-clinicalcare/StructureDefinition/SDOHCC-ObservationScreeningResponse' "obsnMetaProfile";
  } "obsnMeta";
  src -> observation.status = 'final' "obsnStatus";
  src -> observation.category = cc('http://terminology.hl7.org/CodeSystem/observation-category', 'social-history', 'Social History') "obsnCatSocialHist";
  src -> observation.category = cc('http://terminology.hl7.org/CodeSystem/observation-category', 'survey', 'Survey') "obsnCatSurvey";
  src -> observation.category = cc('http://hl7.org/fhir/us/sdoh-clinicalcare/CodeSystem/SDOHCC-CodeSystemTemporaryCodes', 'food-insecurity', 'Food Insecurity') "obsnCatFoodInsecurity";
  answerItem as i -> observation.code = cc('http://loinc.org', '88124-3') as code "obsn3Code";
  src.subject as qSubject -> observation.subject = create('Reference') as newReference then {
    qSubject.reference as qReference -> newReference.reference = qReference;
    qSubject.display as qDisplay -> newReference.display = qDisplay;
  };
  src.authored as authored ->  observation.effective = authored,  observation.issued = authored;
  answerItem.answer as answer -> observation.value = create('CodeableConcept') as newCC then {
    answer.value as coding -> newCC.coding = coding as newCoding;
  };
  src -> observation.derivedFrom = create('Reference') as newReference then {
    src.id as id -> newReference.reference = append('QuestionnaireResponse/', id);
  } "obsnDerivation";
}

group SetObservationFullUrl(source observation : Observation, target entry) {
  observation.id as id -> entry.fullUrl = append('http://hl7.org/fhir/us/sdoh-clinicalcare/Observation/', id);
}

group TransformCondition(source src : QuestionnaireResponse, source bundle : Bundle, target condition : Condition, target entry) {
  src -> condition.id = 'SDOHCC-ConditionFoodInsecurityExample' then SetConditionFullUrl(condition, entry) "conditionId";
  src -> condition.meta = create('Meta') as newMeta then {
    src -> newMeta.profile = 'http://hl7.org/fhir/us/sdoh-clinicalcare/StructureDefinition/SDOHCC-Condition' "conditionMetaProfile";
  } "conditionMeta";
  src -> condition.clinicalStatus = cc('http://terminology.hl7.org/CodeSystem/condition-clinical', 'active', 'Active') "conditionClinicalStatus";
  src -> condition.verificationStatus = cc('http://terminology.hl7.org/CodeSystem/condition-ver-status', 'unconfirmed', 'Unconfirmed') "conditionVeriStatus";
  src -> condition.category = create('CodeableConcept') as newCC then {
    src -> newCC.coding = create('Coding') as newCoding then {
      src -> newCoding.system = 'http://hl7.org/fhir/us/core/CodeSystem/condition-category' "conditionCatCodingSystemHealthConcern";
      src -> newCoding.code = 'health-concern' "conditionCatCodingCodeHealthConcern";
      src -> newCoding.display = 'Health Concern' "conditionCatCodingDisplayHealthConcern";
    } "conditionCatCodingHealthConcern";
  } "conditionCatHealthConcern";
  src -> condition.category = cc('http://hl7.org/fhir/us/sdoh-clinicalcare/CodeSystem/SDOHCC-CodeSystemTemporaryCodes', 'food-insecurity', 'Food Insecurity') "conditionCatFoodInsecurity";
  src -> condition.code = create('CodeableConcept') as newCodeCC then {
    src -> newCodeCC.coding = create('Coding') as newCoding then {
      src -> newCoding.system = 'http://snomed.info/sct' "conditionCodeCodingSystemFoodInsecurity";
      src -> newCoding.code = '733423003' "conditionCodeCodingCodeFoodInsecurity";
      src -> newCoding.display = 'Food insecurity' "conditionCodeCodingDisplayFoodInsecurity";
    } "conditionCodeCodingFoodInsecurity";
    src -> newCodeCC.coding = create('Coding') as newCoding2 then {
      src -> newCoding2.system = 'http://hl7.org/fhir/sid/icd-10-cm' "conditionCodeCodingSystemLackOfFood";
      src -> newCoding2.code = 'Z59.4' "conditionCodeCodingCodeLackOfFood";
      src -> newCoding2.display = 'Lack of adequate food and safe drinking water' "conditionCodeCodingDisplayLackOfFood";
    } "conditionCodeCodingLackOfFood";
  } "conditionCode";
  src.authored as authored ->  condition.onset = create('Period') as period,  period.start = authored;
  bundle.entry as entries ->  condition.evidence as evidence,  evidence.detail = create('Reference') as detailReference then {
    entries.resource as obs3 where code.coding.code = '88124-3' -> detailReference.reference = reference(obs3);
  };
  src.subject as qSubject -> condition.subject = create('Reference') as newReference then {
    qSubject.reference as qReference -> newReference.reference = qReference;
    qSubject.display as qDisplay -> newReference.display = qDisplay;
  };
  src -> entry.request as request then {
    src -> request.method = 'POST' "conditionRequestMethod";
    src -> request.url = 'Condition' "conditionRequestUrl";
  } "conditionEntryRequest";
}

group SetConditionFullUrl(source condition : Condition, target entry) {
  condition.id as id -> entry.fullUrl = append('http://hl7.org/fhir/us/sdoh-clinicalcare/Condition/', id);
}