module Github::Connection

def caching? # :nodoc:
  !@connection.nil?
end

def clear_cache # :nodoc:
  @connection = nil
end

def connection(options = {}) # :nodoc:
  merged_options = _filter_params_keys(ALLOWED_OPTIONS, default_options.merge(options))
  clear_cache unless options.empty?
  @connection ||= begin
    Faraday.new(merged_options.merge(connection_options)) do |builder|
      puts options.inspect if ENV['DEBUG']
      builder.use Github::Request::Jsonize
      builder.use Faraday::Request::Multipart
      builder.use Faraday::Request::UrlEncoded
      builder.use Faraday::Response::Logger if ENV['DEBUG']
      builder.use Github::Request::OAuth2, oauth_token if oauth_token?
      builder.use Github::Request::BasicAuth, authentication if basic_authed?
      builder.use Github::Response::Helpers
      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_options(options={}) # :nodoc:
  {
    :headers => {
      :accept       => '*/*', #accepts,
      :user_agent   => user_agent,
      :content_type => 'application/x-www-form-urlencoded'
    },
    :ssl => { :verify => false },
    :url => endpoint
  }
end