require "facebook_sdk/version"
require "forwardable"
require "faraday"

require "facebook_sdk/apiexception"
require "facebook_sdk/configuration"

require "facebook_sdk/modules/api"

require "facebook_sdk/faraday-middleware/json_decoder"
require "facebook_sdk/faraday-middleware/hashie_converter"
require "facebook_sdk/faraday-middleware/raise_api_exception"

module FacebookSDK
  class Session
    extend Forwardable
    
    include Api
    
    GRAPH_URL = "https://graph.facebook.com/"
    
    def_delegators :@config, :app_id, :secret
    def_delegators :@conn, :get, :post
    
    def initialize(&block)
      
      @conn = Faraday.new(:url => GRAPH_URL) do |builder|
        #builder.use Faraday::Response::Logger     # log the request to STDOUT

        builder.use Faraday::Adapter::NetHttp       # make http requests with Net::HTTP        

        # order inversed (in response)
        
        builder.use FacebookSDK::FaradayMiddleware::RaiseApiException
        builder.use FacebookSDK::FaradayMiddleware::HashieConverter
        builder.use FacebookSDK::FaradayMiddleware::JSONDecoder  # use own JSONDecoder
        
        @config = Configuration.new
        
        @config.faraday = builder
        yield @config
        
      end
    end
  end
end