module NHS::PDS

# File app/lib/nhs/pds.rb, line 36
def get_patient(nhs_number)
  return unless Flipper.enabled?(:pds)

  NHS::API.connection.get(
    "personal-demographics/FHIR/R4/Patient/#{nhs_number}"
  )
rescue Faraday::BadRequestError => e
  if is_error?(e, "INVALID_RESOURCE_ID")
    raise InvalidNHSNumber, nhs_number
  else
    raise
  end
rescue Faraday::ResourceNotFound => e
  if is_error?(e, "INVALIDATED_RESOURCE")
    raise InvalidatedResource, nhs_number
  elsif is_error?(e, "RESOURCE_NOT_FOUND")
    raise PatientNotFound, nhs_number
  else
    raise
  end
end

# File app/lib/nhs/pds.rb, line 58
def search_patients(attributes)
  return unless Flipper.enabled?(:pds)

  if (missing_attrs = (attributes.keys.map(&:to_s) - SEARCH_FIELDS)).any?
    raise "Unrecognised attributes: #{missing_attrs.join(", ")}"
  end

  response =
    NHS::API.connection.get(
      "personal-demographics/FHIR/R4/Patient",
      attributes
    )

  if is_error?(response, "TOO_MANY_MATCHES")
    raise TooManyMatches
  else
    response
  end
rescue Faraday::BadRequestError => e
  if is_error?(e, "INVALID_SEARCH_DATA")
    raise InvalidSearchData
  else
    raise
  end
end