"""Windows only, plays random wav files at random intervals.  Run at command prompt
with -h to see options.  One function available: playRandomSounds(directory, minSecs, maxSecs, runTime)"""

import winsound
import glob
import os
import sys
import random
import time

#-----------------------------------------
def getRandomSound(directory):
  allSounds = glob.glob(os.path.join(directory, "*.wav"))
  if len(allSounds) == 0:
    print 'No wav files found in %s' % directory
    return

  return random.choice(allSounds)

#-----------------------------------------
def usage(err = None):
  if err:
    print err
    print

  print """Plays a random wav file at random intervals.
Options:
  -d <directory>  Where to find the wav files.
                  Will default to <directory program is installed in>\\wav.
  -l <num seconds>  How long to run.  Pass 0 to go forever (use ctrl-c to exit).
                    Defaults to 0.
  -m <min seconds between sounds> This is the shortest time between sounds.
                                  Defaults to 60 seconds.
  -x <max seconds between sounds> This is the longest time between sounds.
                                  Defaults to 300 seconds (5 minutes).

Brought to you by Megabyte Rodeo Software.
Visit us online
at http://www.megabyterodeo.com and http://www.fetidcascade.com"""

  sys.exit(0)

#-----------------------------------------
def main():
  import getopt
  try:
    opts, args = getopt.getopt(sys.argv[1:], "l:m:x:d:")

    directory = os.path.join(os.path.dirname(sys.argv[0]), 'wav')
    runTime = 0
    minSecs = 60
    maxSecs = 300
    for o, a in opts:
      if o == "-d":
        directory = a
      if o == "-l":
        runTime = int(a)
      if o == "-m":
        minSecs = int(a)
      if o == "-x":
        maxSecs = int(a)

    if minSecs > maxSecs:
      raise "no bueno"

  except:
    usage()

  playRandomSounds(directory, minSecs, maxSecs, runTime)

#-----------------------------------------
def playRandomSounds(directory, minSecs, maxSecs, runTime):
  try:
      startTime = time.time()
      endTime = startTime + runTime

      while 1:
        sound = getRandomSound(directory)
        if sound:
          print 'Playing %s' % sound
          winsound.PlaySound(sound, winsound.SND_FILENAME)

        if not runTime == 0 and time.time() > endTime:
          print "Time's up, exiting"
          sys.exit(0)

        sleepSeconds = random.randint(minSecs, maxSecs)
        print '%s: Sleeping for %s seconds' % (time.strftime('%H:%M:%S'), sleepSeconds)
        time.sleep(sleepSeconds)

  except (KeyboardInterrupt, SystemExit):
    print "Bye!"

  except Exception, ex:
    print "Oops, something wrong: %s" % ex.__class__.__name__

#-----------------------------------------
if __name__ == '__main__':
  main()