# 
# Copyright (C) 2008, Brian Tanner
# 
#http://rl-glue-ext.googlecode.com/
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#  $Revision: 446 $
#  $Date: 2009-01-22 20:20:21 -0700 (Thu, 22 Jan 2009) $
#  $Author: brian@tannerpages.com $
#  $HeadURL: http://rl-glue-ext.googlecode.com/svn/trunk/projects/codecs/Python/src/tests/test_message_agent.py $

import random
import sys
from rlglue.agent.Agent import Agent
from rlglue.agent import AgentLoader as AgentLoader
from rlglue.types import Action
from rlglue.types import Observation

class test_message_agent(Agent):
	whichEpisode=0
	
	def agent_init(self,taskSpec):
		pass
		
	def agent_start(self,observation):
		return Action()
	
	def agent_step(self,reward, observation):
		return Action()
	
	def agent_end(self,reward):
		pass
	
	def agent_cleanup(self):
		pass

	def agent_message(self,inMessage):
		if inMessage==None:
			return "null"

		if inMessage=="":
			return "empty"

		if inMessage=="null":
			return None

		if inMessage=="empty":
			return ""
		
		return inMessage;


if __name__=="__main__":
	AgentLoader.loadAgent(test_message_agent())