#######################################################
# OBJECT ORIENTED PROGRAMMING:
#######################################################

# main class:
class bag(object):
	def __init__(self):
		self.things = []

	def findThing(self, thing):
		for x in self.things:
			if x == thing:
				return x
			else:
				pass

	def addThing(self, thing):
		self.things.append(thing)

	def removeThing(self, thing):
		if thing in self.things:
			self.things.remove(thing)

# sub classes:
class Room(bag):
	def __init__(self, name):
  		self.name = name
  		super(Room, self).__init__()
  		self.exits = dict()

  	def addExit(self, dir, targetRoom):
  		self.exits[dir] = targetRoom

  	def getExit(self, dir):
  		try:
  			return self.exits[dir]
  		except:
  			pass

  	def getExitDirs(self):
  		return self.exits.keys()

class Player(bag):
	pass

# program class:
class Game:
	def __init__(self):
		print "**********************************************"
		print "        Welcome to the haunted house!\n\t\t1.0\nfind Shaggy and Scooby Doo then get out alive!"
		print "**********************************************\n"
		print "How to play:"
		print "go <dir>       -> to go in that direction"
		print "pickup <thing> -> to pick up an object"
		print "drop <thing>   -> to drop an object"
		print "unlock <thing> -> to unlock an object"
		print "quit           -> to quit the game\n"
		# room 1
		room1 = Room("study")
		room1.addThing("cat")
		room1.addThing("bigSpider")
		room1.addThing("key")
		# room 2
		room2 = Room("hallway")
		room2.addThing("skeleton")
		room2.addThing("man-eatingPlant")
		# room 3
		room3 = Room("kitchen")
		room3.addThing("posion")
		room3.addThing("bats")
		room3.addThing("Shaggy")
		# room 4 
		room4 = Room("dungeon")
		room4.addThing("chains")
		room4.addThing("ScoobyDoo")
		# set up game
		room1.addExit("north", room2)
		room2.addExit("south", room1)
		room2.addExit("east", room3)
		room2.addExit("west", room4)
		room3.addExit("west", room2)
		room4.addExit("east", room2)
		self.currentRoom = room1
		self.rooms = { "study":room1, "hallway":room2, "kitchen":room3 ,"dungeon":room4 }
		self.player = Player()
		self.gameOver = False
		self.ScoobyDooFlag = False


	def go(self, dir):
		targetRoom = self.currentRoom.getExit(dir)
		if targetRoom == None:
			print "I cannot go this way!"
		else:
			self.currentRoom = targetRoom

	def pickUp(self, thing):
		thing = self.currentRoom.findThing(thing)
		if thing == None:
			print "I dont see that!"
		elif thing == "chains":
			print "I can't pick those up! they are attached to Scooby"
		elif thing in ["bigSpider", "man-eatingPlant", "posion"]:
			print "YOU DIED!"
			self.gameOver = True
		elif (thing == "Shaggy") and ("ScoobyDoo" in self.player.things):
			print "YOU SAVED THEM!"
			self.gameOver = True
		elif (thing == "ScoobyDoo") and self.ScoobyDooFlag:
			if ("Shaggy" in self.player.things):
				print "YOU SAVED THEM!"
				self.gameOver = True
			else:
				self.player.addThing(thing)
				self.currentRoom.removeThing(thing)
		elif (thing == "ScoobyDoo") and not self.ScoobyDooFlag:
			print "I can't pick him up. He seems to be locked by the chains..."
		else:
			self.player.addThing(thing)
			self.currentRoom.removeThing(thing)

	def drop(self, thing):
		thing = self.player.findThing(thing)
		if thing == None:
			print "I dont have that!"
		else:
			self.player.removeThing(thing)
			self.currentRoom.addThing(thing)

	def unlock(self, thing):
		thing = self.currentRoom.findThing(thing)
		if thing == "chains":
			check = self.player.findThing("key")
			if check == None:
				print "I need a key to do that!"
			else:
				self.ScoobyDooFlag = True
				self.currentRoom.removeThing(thing)
				self.currentRoom.addThing("unlocked chains")
		else:
			print "I can't unlock that!"


	def playGame(self):
		while not self.gameOver:
			print "\nI am in:", self.currentRoom.name
			print "I can see:", self.currentRoom.things
			print "I am carrying:", self.player.things
			print "Exits are:", self.currentRoom.getExitDirs()
			cmd = raw_input("\nWhat next? --> ")
			if (" " not in cmd): cmd += " "
			try:
				(verb, noun) = cmd.split(" ")
			except: 
				print "Invalid input"
				continue
			if (verb == "pickup"):
				self.pickUp(noun)
			elif (verb == "drop"):
				self.drop(noun)
			elif (verb == "go"):
				self.go(noun)
			elif (verb == "unlock"):
				self.unlock(noun)
			elif (verb == "quit"):
				break
			else:
				print "I don't know how to do that!"

game = Game()
game.playGame()

#######################################################
# NETWORK PROGRAMMING:
#######################################################

#!/usr/bin/python           # This is server.py file

import socket               # Import socket module

s = socket.socket()         # Create a socket object
host = socket.gethostname() # Get local machine name
port = 1234                 # Reserve a port for your service.
s.bind((host, port))        # Bind to the port

s.listen(5)                 # Now wait for client connection.
while True:
   c, addr = s.accept()     # Establish connection with client.
   print 'SERVER: Got connection from:', addr
   c.send('SERVER: Thank you for connecting!\n')
   c.send('SERVER: ...\n')
   c.send('SERVER: ...\n')
   c.send('SERVER: okay...\n')
   c.send("SERVER: goodbye")
   c.close()                # Close the connection

##########################################################

#!/usr/bin/python           # This is client.py file

import socket               # Import socket module

s = socket.socket()         # Create a socket object
host = socket.gethostname() # Get local machine name
port = 1234                 # Reserve a port for your service.

print "CLIENT: connecting..."
try:
	s.connect((host, port)) # Connect!
except:
	print "CLIENT: connection failed!"


print s.recv(1024)			# what did the server send back!

s.close                     # Close the socket when done

print "CLIENT: connection closed"