# frozen_string_literal: true
module Paratika
  class InvalidSignatureError < ::StandardError; end
  class InvalidResponseCodeError < ::StandardError; end
  class Response
    attr_reader :data
    def initialize(response)
      @data = JSON.parse(response.body).transform_keys!{ |k| snake_case(k) }.symbolize_keys
      @data.merge!({ time: DateTime.now, success: data[:response_code] == '00' })
      @data.merge!(error: ERROR_MAP[@data[:error_code]]) unless @data[:success]
    end

    private

    def snake_case(str)
      str.gsub(/([A-Z]+)([A-Z][a-z])/, '\1_\2')
          .gsub(/([a-z\d])([A-Z])/, '\1_\2')
          .downcase
    end
  end
end