#!/usr/bin/env python
# encoding: utf-8
"""
fsm.py

Created by Cody Brocious on 2006-09-09.
Copyright (c) 2006 Falling Leaf Systems, LLC. All rights reserved.
"""

class FSM:
	def __init__(self):
		self.old_state = None
		self.state = self.startState
	
	def run(self):
		"""
			Run state machine
		"""
		while True:
			new_state = self.state(self.old_state)
			self.old_state = self.state
			self.state = new_state
			
			if self.state == None or self.state == False:
				break
		
		return self.old_state
	
	def startState(self, old_state):
		"""
			Initializes my state machine
		"""
		self.counter = 0
		
		return self.runState
	
	def runState(self, old_state):
		"""
			Increments my counter
		"""
		
		self.counter += 1
		
		if self.counter == 50000:
			return self.endState
		elif self.counter % 1000 == 0:
			return self.logState
		else:
			return self.runState
	
	def logState(self, old_state):
		"""
			Logs my state output
		"""
		
		print 'Counter state', self.counter
		
		return self.runState
	
	def endState(self, old_state):
		"""
			Ends execution
		"""
		
		print 'Finished'
		
		return None

if __name__ == '__main__':
    FSM().run()