import time
import random
from sys import stdout
import argparse

ap = argparse.ArgumentParser()
ap.add_argument("-b-min", type=int, help="burst minimum", default=1)
ap.add_argument("-b-max", type=int, help="burst maximum", default=20)
ap.add_argument("-d-min", type=int, help="sleep minimum ms", default=0)
ap.add_argument("-d-max", type=int, help="sleep maximum ms", default=3000)
ap.add_argument("-between", type=int, help="between maximum ms", default=1000)
ap.add_argument("-n", type=int, help="max to gen", default=14)
args = ap.parse_args()

random.seed(int(1000*time.time()))

def new_burst():
   return random.randint(args.b_min, args.b_max)
def new_between():
   return random.randint(0, args.between) / 1000.0
def new_delay():
   return random.randint(args.d_min, args.d_max) / 1000.0

burst = new_burst()
while True:
   line = random.randint(0, args.n-1)
   if burst:
      print(line, file=stdout)
      stdout.flush()
      time.sleep(new_between())
   burst -= 1
   if not burst:
      time.sleep(new_delay())
      burst = new_burst()