# L-31 MCS 275 Wed 31 Mar 2010 : fastfood.py

# Simulation of fastfood restaurant.

from threading import *
import time
import random

class Customer(Thread):
   """
   Customer orders food and eats.
   """
   def __init__(self,t):
      """
      Initializes customer with name t,
      generates waiting and eating time.
      """
      Thread.__init__(self,name=t)
      self.wait = random.randint(1,6)
      self.eat = random.randint(1,6)

   def run(self):
      """
      Customer waits for order and eats.
      writes three messages.
      """
      t = self.getName()
      print t + ' is waiting for %d time units' % self.wait
      time.sleep(self.wait)
      print t + ' waited %d time units' % self.wait
      time.sleep(self.eat)
      print t + ' ate for %d time units' % self.eat

def main():
   "defines and starts threads"
   n = input('give #customers : ')
   T = []
   for i in range(0,n):
      s = 'name of customer %d : ' % i
      name = raw_input('  ' + s)
      T.append(Customer(name))
   print "starting the simulation"
   for t in T: t.start()
   print "simulation has started"

if __name__ == "__main__": main()