class ApplicationController < ActionController::Base

 	before_filter :require_login

 
 	def require_login
 		if authenticated?

 			create_new_authentication()

 
             unless controller_name == 'chat'

                 redirect_to chat_path

             end

 		else

 			unless controller_name == 'sessions' && (action_name == 'new' || action_name == 'create')

                 redirect_to root_url, flash: {error: I18n.t('login.access-denied')}

 			end

 		end
 	end
 
 	protected
 
 	def authenticated?

         @token = Token.authenticate(session)

 	end
 

 	def create_new_authentication(user_credentials = nil)

         if @token
             user_id = @token.user_id
             @token.delete
         else

             user_id = !user_credentials ? nil : create_new_user(user_credentials)

         end

         @token = Token.new

         save_session(user_id) if not user_id

     end
 
     def save_session(user_id)
         session[:token] = Token.generate_token()
         session[:created_at] = Time.now
         session[:ip] = request.remote_ip
 
         @token.save_session(session, user_id)
     end
 

     def create_new_user(user_credentials)
         jid  = user_credentials[:jid]
         pass = user_credentials[:password]
 
         user = User.existing_jid(jid) || User.create_jid(jid)
         user.update_pass(jid, pass)
 
         user.id

     end

 end