Irio/mymoip

module MyMoip
  class Payer
    include ActiveModel::Validations

    attr_accessor :id, :name, :email,
                  :address_street, :address_street_number,
                  :address_street_extra, :address_neighbourhood,
                  :address_city, :address_state, :address_country,
                  :address_cep, :address_phone

    validates_presence_of :id, :name, :email, :address_street,
                          :address_street_number, :address_neighbourhood,
                          :address_city, :address_state, :address_country,
                          :address_cep, :address_phone
    validates_length_of :address_state,   is: 2
    validates_length_of :address_country, is: 3
    validates_length_of :address_cep,     is: 8
    validates_length_of :address_phone, within: 10..11

    def initialize(attrs)
      attrs.each do |attr, value|
        public_send(:"#{attr}=", value)
      end
    end

    def address_cep=(value)
      value.gsub!(/\D*/, '') unless value.nil?
      @address_cep = value
    end

    def address_state=(value)
      value = value.upcase unless value.nil?
      @address_state = value
    end

    def address_country=(value)
      value = value.upcase unless value.nil?
      @address_country = value
    end

    def address_phone=(value)
      unless value.nil?
        # Removes non-digits
        value.gsub!(/\D*/, '')
        # Removes zeros in the beginning
        value.gsub!(/\A0*/, '')
      end
      @address_phone = value
    end

    def to_xml(root = nil, formatter = MyMoip::Formatter)
      if root.nil?
        xml  = ""
        root ||= Builder::XmlMarkup.new(target: xml)
      end

      root.Nome(@name)
      root.Email(@email)
      root.IdPagador(@id)
      root.EnderecoCobranca do |n1|
        n1.Logradouro(@address_street)
        n1.Numero(@address_street_number)
        n1.Complemento(@address_street_extra)
        n1.Bairro(@address_neighbourhood)
        n1.Cidade(@address_city)
        n1.Estado(@address_state)
        n1.Pais(@address_country)
        n1.CEP(formatter.cep(@address_cep))
        n1.TelefoneFixo(formatter.phone(@address_phone))
      end

      xml
    end
  end
end