ministryofjustice/Claim-for-Crown-Court-Defence

module Fee
  class FixedFeeValidator < Fee::BaseFeeValidator
    include Concerns::CaseNumbersValidator

    def self.fields
      %i[
        quantity
        rate
        case_numbers
        sub_type
        date
      ] + super
    end

    private

    def validate_claim
      super
      return unless @record.claim&.final?
      add_error(:claim, 'Graduated fee invalid on fixed fee case types') unless @record.claim.case_type.is_fixed_fee?
    end

    def validate_date
      run_base_fee_validators? ? super : validate_single_attendance_date
    end

    def validate_sub_type
      return if fee_code.nil?

      if @record.fee_type.children.any?
        validate_presence(:sub_type, 'blank')
        validate_inclusion(:sub_type, @record.fee_type.children, 'invalid')
      else
        validate_absence(:sub_type, 'present')
      end
    end

    def run_base_fee_validators?
      !@record.claim.lgfs?
    end
  end
end