module Github::Connection

def caching?
  !@connection.nil?
end

def clear_cache
  @connection = nil
end

def connection(options = {})
  merged_options = faraday_options.merge(default_faraday_options)
  clear_cache unless options.empty?
  @connection ||= begin
    Faraday.new(merged_options) do |builder|
      puts options.inspect
      builder.use Faraday::Request::JSON
      builder.use Faraday::Request::Multipart
      builder.use Faraday::Request::UrlEncoded
      builder.use Faraday::Response::Logger
      builder.use Github::Request::OAuth2, oauth_token if oauth_token?
      unless options[:raw]
        builder.use Github::Response::Mashify
        builder.use Github::Response::Jsonize
      end
      builder.use Github::Response::RaiseError
      builder.adapter adapter
    end
  end
end

def default_faraday_options()
  {
    :headers => {
      'Accept' => "application/#{resource}#{format}",
      'User-Agent' => user_agent
    },
    :ssl => { :verify => false },
    :url => endpoint
  }
end