module MpApi
  class Card
    attr_reader :token, :customer_id, :external_id, :cardholder_name, :expiration_month, :expiration_year, :first_six_digits, :last_four_digits, :issuer_id, :mp_payment_method_id, :error, :error_detail

    def initialize(token: nil, customer_id: nil, external_id: nil, cardholder_name: nil, expiration_month: nil, expiration_year: nil, first_six_digits: nil, last_four_digits: nil, issuer_id: nil, mp_payment_method_id: nil, error: nil, error_detail: nil)
      @token = token
      @customer_id = customer_id
      @external_id = external_id
      @cardholder_name = cardholder_name
      @expiration_month = expiration_month
      @expiration_year = expiration_year
      @first_six_digits = first_six_digits
      @last_four_digits = last_four_digits
      @issuer_id = issuer_id
      @mp_payment_method_id = mp_payment_method_id
      @error = error
      @error_detail = error_detail
    end
    
    def build_json
      {
        token: token
      }
    end

    def create
      response = Client.new.create_card(customer_id, JSON.dump(build_json))
      self.class.new(**self.class.build_hash(response.json))
    end

    def self.build_hash(response)
      {
        external_id: response.dig("id"),
        cardholder_name: response.dig("cardholder", "name"),
        expiration_month: response.dig("expiration_month"),
        expiration_year: response.dig("expiration_year"),
        first_six_digits: response.dig("first_six_digits"),
        last_four_digits: response.dig("last_four_digits"),
        issuer_id: response.dig("issuer", "id"),
        mp_payment_method_id: response.dig("payment_method", "id"),
        error: response.dig("message"),
        error_detail: response.dig("cause")
      }
    end
  end
end