#!bin/python
from twisted.internet import gtk2reactor, reactor
import web, thread, gobject, sys, optparse, logging
from rdflib import URIRef
sys.path.append(".")
from light9.ascoltami.player import Player
from light9.ascoltami.playlist import Playlist, NoSuchSong
from light9.ascoltami.webapp import makeWebApp, songUri, songLocation
from light9 import networking, showconfig


class App:
    def __init__(self, graph, show):
        self.graph = graph
        self.player = Player(onEOS=self.onEOS)
        self.show = show
        self.playlist = Playlist.fromShow(graph, show)

    def run(self, musicPort):
        # the cherrypy server would wedge when vidref pounds on it; this
        # one seems to run
        #gtk2reactor.install(useGtk=False)
        reactor.listenTCP(musicPort, makeWebApp(self))
        log.info("listening on %s" % musicPort)
        reactor.run()

    def onEOS(self, song):
        self.player.pause()
        self.player.seek(0)

        thisSongUri = songUri(graph, URIRef(song))

        try:
            nextSong = self.playlist.nextSong(thisSongUri)
        except NoSuchSong: # we're at the end of the playlist
            return

        self.player.setSong(songLocation(graph, nextSong), play=False)

if __name__ == "__main__":
    logging.basicConfig()
    log = logging.getLogger()
    gobject.threads_init() # this is in gtk2reactor too

    parser = optparse.OptionParser()
    parser.add_option('--show',
        help='show URI, like http://light9.bigasterisk.com/show/dance2008', default=showconfig.showUri())
    parser.add_option("-v", "--verbose", action="store_true",
                      help="logging.DEBUG")
    (options, args) = parser.parse_args()

    log.setLevel(logging.DEBUG if options.verbose else logging.INFO)

    if not options.show:
        raise ValueError("missing --show http://...")
            
    graph = showconfig.getGraph()
    app = App(graph, URIRef(options.show))
    app.run(networking.musicPlayer.port)