salesking/sepa_king

# encoding: utf-8
module SEPA
  class DirectDebitTransaction < Transaction
    SEQUENCE_TYPES = %w(FRST OOFF RCUR FNAL)
    LOCAL_INSTRUMENTS = %w(CORE COR1 B2B)

    attr_accessor :mandate_id,
                  :mandate_date_of_signature,
                  :local_instrument,
                  :sequence_type,
                  :creditor_account,
                  :original_debtor_account,
                  :same_mandate_new_debtor_agent,
                  :original_creditor_account,
                  :debtor_address

    validates_with MandateIdentifierValidator, field_name: :mandate_id, message: "%{value} is invalid"
    validates_presence_of :mandate_date_of_signature
    validates_inclusion_of :local_instrument, in: LOCAL_INSTRUMENTS
    validates_inclusion_of :sequence_type, in: SEQUENCE_TYPES
    validate { |t| t.validate_requested_date_after(Date.today.next) }

    validate do |t|
      if creditor_account
        errors.add(:creditor_account, 'is not correct') unless creditor_account.valid?
      end

      if t.mandate_date_of_signature.is_a?(Date)
        errors.add(:mandate_date_of_signature, 'is in the future') if t.mandate_date_of_signature > Date.today
      else
        errors.add(:mandate_date_of_signature, 'is not a Date')
      end
    end

    def initialize(attributes = {})
      super
      self.local_instrument ||= 'CORE'
      self.sequence_type ||= 'OOFF'
    end

    def amendment_informations?
      original_debtor_account || same_mandate_new_debtor_agent || original_creditor_account
    end

    def schema_compatible?(schema_name)
      case schema_name
      when PAIN_008_002_02
        self.bic.present? && %w(CORE B2B).include?(self.local_instrument) && self.currency == 'EUR'
      when PAIN_008_003_02
        self.currency == 'EUR'
      when PAIN_008_001_02
        true
      end
    end
  end
end