module ErrandBoy
  module Validator
    class Base
      def initialize(request)
        @request = request
      end

      def run
        methods.each do |method|
          send(method) if /check_\w+/ === method
        end
      end

      def check_sender_name
        warn 'sender_name is empty.' if @request.sender['name'].empty?
      rescue NoMethodError
        warn 'sender does not set.'
      end

      def check_sender_email
        email = @request.sender['email']
        if email.empty?
          warn 'sender_email is empty.'
        elsif email !~ valid_address
          warn 'sender_email is invalid address.'
        end
      rescue NoMethodError
        warn 'sender does not set.'
      end

      def valid_address
        %r(\A[a-zA-Z0-9_\#!$%&`'*+\-{|}~^\/=?\.]+@[a-zA-Z0-9][a-zA-Z0-9\.-]+\z)
      end
    end
  end
end