/*
 * Library: IMMZD5DTHibContraindicationsLogic (IMMZ.D5.DT.Hib contraindications)
 * Rule: Check for contraindications before administering the vaccine(s) due
 * Decision Table: IMMZ.D5.DT.Hib contraindications
 * Trigger: IMMZ.D5 Determine vaccine(s) to be administered based on contraindications (9)
 */
library IMMZD5DTHibContraindicationsLogic

using FHIR version '4.0.1'
include FHIRHelpers version '4.0.1'

include IMMZD5DTHibEncounterElements called Encounter

parameter Today Date default Today()

context Patient

/*
  @dynamicValue: Draft Medication Request ID for Hib dose
  */
  define "Draft Medication Request ID for Hib dose":
    First(Encounter."Draft Medication Request for Hib dose").id


/*
@dynamicValue: Guidance
*/
define "Guidance":
  case 
    when "Hib vaccination could be contraindicated. Clinical judgement is required. Create a clinical note." then "Hib vaccination could be contraindicated. Clinical judgement is required. Create a clinical note. Guidance" 
    else ''
  end
  
define "Has Guidance":
  "Guidance" is not null and "Guidance" != ''

/*
@output: Hib vaccination could be contraindicated. Clinical judgement is required. Create a clinical note.
@pseudocode: "Immunization recommendation status" = "Further evaluation needed"
*/
define "Hib vaccination could be contraindicated. Clinical judgement is required. Create a clinical note.":
  Encounter."The client has a history of severe allergic reactions"

/*
@output: Hib vaccination could be contraindicated. Clinical judgement is required. Create a clinical note. Guidance
@guidance: Do not vaccinate client with Hib conjugate vaccine if client has had allergic reaction or known allergies to any component of the vaccine.
*/
define "Hib vaccination could be contraindicated. Clinical judgement is required. Create a clinical note. Guidance":
  'Do not vaccinate client with Hib conjugate vaccine if client has had allergic reaction or known allergies to any component of the vaccine.'


/*
@test: Test expected results based on example patients
*/
define "Test Validation":
  case
    when Patient.id = 'Hib56.1' then "Hib vaccination could be contraindicated. Clinical judgement is required. Create a clinical note." and "Guidance" = 'Do not vaccinate client with Hib conjugate vaccine if client has had allergic reaction or known allergies to any component of the vaccine.'
    else 'No test case set'
  end