# We verify the user's rights to upload files.
# TODO RIGHTS
# if user wants to upload but not allowed to: Response
# if user wants to get a file but not allowed to: Response

# The user is authorized to upload files.

# TODO: quotas
# Quotas are not defined yet.

#class FileStorage::Request
#	IPC::JSON.message Authentication, 10 do
#		property mid       : String   # autogenerated
#		property token     : Token
#		property uploads   : Array(UploadRequest)?
#		property downloads : Array(DownloadRequest)?
#
#		def initialize(@token, @uploads = nil, @downloads = nil)
#			@mid = UUID.random.to_s
#		end
#
#		# Store the client in connected_users and users_status.
#		# If already in users_status: 
#		#   check if the requests are the same
#		#     if not: add them to the user structure in users_status
#		def handle(filestoraged : FileStorage::Service, event : IPC::Event)
#
#			token  = filestoraged.auth.decode_token @token
#			userid = token.uid
#
#			puts "user authentication: #{userid}"
#
#			# Is the user already recorded in users_status?
#			if filestoraged.users_status[userid]?
#				puts "We already knew this user"
#
#				filestoraged.connected_users[event.fd] = userid
#				# TODO
#				pp! filestoraged.connected_users
#				pp! filestoraged.users_status[userid]
#
#				# Let's ignore this error, just continue.
#				# It could have been a network error, for example.
#				# return FileStorage::Response::Error.new @mid, "user already connected"
#			else
#				# AuthenticationMessage includes requests.
#				new_user = User.new token, @uploads, @downloads
#
#				filestoraged.connected_users[event.fd] = userid
#
#				# record the new user in users_status
#				filestoraged.users_status[userid] = new_user
#
#				puts "New user is: #{new_user.token.login}"
#			end
#
#			# The user is now connected.
#			user = filestoraged.users_status[userid]
#
#			responses = filestoraged.storage.requests [ @uploads, @downloads ].flatten,
#				filestoraged.users_status[userid],
#				event
#
#			# Sending a response, containing a response for each request.
#			FileStorage::Response::Success.new @mid, responses
#		end
#	end
#	FileStorage.requests << Authentication
#end
#
#class FileStorage::Response
#	IPC::JSON.message AuthenticationSuccess, 10 do
#		property mid : String
#		property responses : Array(FileStorage::Response)
#		def initialize(@mid, @responses)
#		end
#	end
#end