import time, sys, os
import ivy
import argparse
from pygame import mixer
from ivy.std_api import *

IVY_APP_NAME = "SoundBox"
DEFAULT_BUS = '127.0.0.1:2010'

SOUNDS_PATH = None
PATH_DELIMITER = None

if sys.platform == "linux" or sys.platform == "linux2":
    #linux
    SOUNDS_PATH = "./"
    PATH_DELIMITER = "/"
elif sys.platform == "win32":
    #windows
    SOUNDS_PATH = ".\\"
    PATH_DELIMITER = "\\"
else :
    raise(Exeption("operating system unknown"))




PLAY_ONCE = "soundbox play_once (.*)"

class SoundBox:
    def __init__(self, bus=DEFAULT_BUS):
        IvyInit(IVY_APP_NAME, IVY_APP_NAME + "online", 0, lambda agent, event: None, lambda agent, event: None)
        IvyStart(bus)
        mixer.init()
        IvyBindMsg(self.on_play_once, PLAY_ONCE)

    def playSound(self, soundFile):
        sound = mixer.Sound(soundFile)
        sound.play()
        time.sleep(sound.get_length())  #TODO do not use sleep to allow stopping sound before it ends

    def on_play_once(self, agent, *arg):
        filename = arg[0]
        soundFile = PATH_DELIMITER.join([SOUNDS_PATH, filename])
        if os.path.exists("water.wav"):
            self.playSound(filename)

    def stop(self):
        IvyStop()

if __name__ == '__main__':
    parser = argparse.ArgumentParser("SoudBox option parser", formatter_class=argparse.RawTextHelpFormatter)
    parser.add_argument('-b', '--bus', type=str, default=DEFAULT_BUS,
                        help="The ivy bus address.")
    parsed_args = parser.parse_args()

    soundbox = SoundBox(parsed_args.bus)
    try:
        while True:
            time.sleep(1)
    finally:
        soundbox.stop()