module Slack::Web::Faraday::Options

def options
  @options ||= begin
    options = { headers: {} }
    options[:headers]['User-Agent'] = user_agent if user_agent
    options[:proxy] = proxy if proxy
    options[:ssl] = { ca_path: ca_path, ca_file: ca_file } if ca_path || ca_file
    request_options = {}
    request_options[:timeout] = timeout if timeout
    request_options[:open_timeout] = open_timeout if open_timeout
    options[:request] = request_options if request_options.any?
    options
  end
end