class MavisCLI::VaccinationRecords::ReadImmsAPI

# File app/lib/mavis_cli/vaccination_records/read_imms_api.rb, line 18
def call(
  vaccination_record_id: nil,
  imms_api_id: nil,
  output_file: nil,
  **
)
  MavisCLI.load_rails

  unless Flipper.enabled?(:imms_api_integration)
    puts "Cannot read: Feature flag :imms_api_integration is not enabled"
    return
  end

  if vaccination_record_id.blank? && imms_api_id.blank?
    puts "Error: Provide either --vaccination-record-id or --imms-api-id"
    return
  end

  if vaccination_record_id.present? && imms_api_id.present?
    puts "Error: Provide only one of --vaccination-record-id or --imms-api-id"
    return
  end

  if imms_api_id.present?
    fhir_record =
      NHS::ImmunisationsAPI.read_immunisation_by_nhs_immunisations_api_id(
        imms_api_id
      )
  else
    vaccination_record =
      VaccinationRecord.find_by(id: vaccination_record_id)
    if vaccination_record.nil?
      puts "Error: Vaccination record with ID #{vaccination_record_id} not found in Mavis"
      return
    end

    fhir_record =
      NHS::ImmunisationsAPI.read_immunisation(vaccination_record)
  end

  if fhir_record.nil?
    puts "No result returned"
    return
  end

  json = fhir_record.to_json
  pretty = JSON.pretty_generate(JSON.parse(json))

  if output_file && !output_file.strip.empty?
    File.write(output_file, pretty)
    puts "Saved JSON to #{output_file}"
  else
    puts pretty
  end
end