module Akatus

  class Service

    def send_request

      path   = self.class::PATH
      method = self.class::METHOD

      url     = Akatus.config.api_url + path + ".json"
      payload = self.to_payload

      begin

        if method == :post
          data = RestClient.post(url, payload.to_json, :content_type => :json, :accept => :json)
        elsif method == :get
          data = RestClient.get(url, { :params => payload })
        else
          raise "Invalid method: #{method}"
        end

        JSON.parse(data)['resposta']

      rescue RestClient::UnprocessableEntity => exc
        message = JSON.load(exc.response)['resposta']['descricao']
        raise Akatus::UnprocessableEntityError.new(message)
      end

    end

  end

end