buckybox/webstore

# frozen_string_literal: true

module PaypalForm
module_function

  def recurring_payment_params(frequency)
    # https://www.paypal.com/en/cgi-bin/webscr?cmd=_pdn_subscr_techview_outside
    # p3 - number of time periods between each recurrence
    # t3 - time period (D=days, W=weeks, M=months, Y=years)

    p3, t3 = \
      case frequency.to_sym
      when :weekly
        [1, "W"]
      when :fortnightly
        [2, "W"]
      when :monthly
        [1, "M"]
      else
        # :nocov:
        raise ArgumentError, "Invalid frequency for recurring_payment_params: #{frequency.inspect}"
        # :nocov:
      end

    OpenStruct.new(p3: p3, t3: t3).freeze
  end
end