require "net/http"
require "net/https"

module Moiper
  class Request
    CA_FILE = File.expand_path(File.dirname(__FILE__)) + "/cacert.pem"

    # Process a given payload
    # @param payload [String]
    # @return [Response] the response from Moip
    def process(payload)
      response = post(payload)
      Response.new(response.body)
    end

    # @!group HTTP handling

    # @return [Net::HTTP::Session] the http session client
    def client
      @client ||= Net::HTTP.new(uri.host, uri.port).tap do |http|
        http.use_ssl = true
        http.ca_file = CA_FILE
        http.verify_mode = OpenSSL::SSL::VERIFY_PEER
      end
    end

    # @return [Net::HTTP::Post] the http POST request already
    #   configured with the right agent, content type and
    #   basic authentication headers
    def request
      @request ||= Net::HTTP::Post.new(uri.path).tap do |request|
        request.basic_auth Moiper.token, Moiper.key
        request.content_type = "text/xml"
        request["User-Agent"] = "Moiper/#{Moiper::VERSION}"
      end
    end

    # @!endgroup

    private

    def post(payload)
      request.body = payload
      client.request(request)
    end

    def uri
      @uri ||= URI(Moiper.api_entrypoint + path)
    end

    # @api private
    # @return [String] path where the request should be made
    def path
      "ws/alpha/EnviarInstrucao/Unica"
    end
  end
end