from __future__ import print_function
import subprocess
import Pyro4
import socket


class ITunes(object):
    def __init__(self):
        # start itunes
        subprocess.call(["osascript", "-e", "tell application \"iTunes\" to player state"])
    def play(self):
        # continue play
        subprocess.call(["osascript", "-e", "tell application \"iTunes\" to play"])
    def pause(self):
        # pause play
        subprocess.call(["osascript", "-e", "tell application \"iTunes\" to pause"])
    def stop(self):
        # stop playing
        subprocess.call(["osascript", "-e", "tell application \"iTunes\" to stop"])
    def next(self):
        # next song in list
        subprocess.call(["osascript", "-e", "tell application \"iTunes\" to next track"])
    def previous(self):
        # previous song in list
        subprocess.call(["osascript", "-e", "tell application \"iTunes\" to previous track"])
    def playlist(self, listname):
        # start playling a defined play list
        subprocess.call(["osascript", "-e", "tell application \"iTunes\" to play playlist \"{0}\"".format(listname)])
    def currentsong(self):
        # return title and artist of current song
        return subprocess.check_output(["osascript", "-e", "tell application \"iTunes\"",
            "-e", "set thisTitle to name of current track",
            "-e", "set thisArtist to artist of current track",
            "-e", "set output to thisTitle & \" - \" & thisArtist",
            "-e", "end tell"]).strip()
    
print("starting...")
itunes=ITunes()
daemon=Pyro4.Daemon(host=socket.gethostname(), port=39001)
uri=daemon.register(itunes,"itunescontroller")
print("iTunes controller started, uri =",uri)
daemon.requestLoop()