#!bin/python
"""
plays back effect notes from the timeline
"""

from run_local import log
from twisted.internet import reactor
from greplin.scales.cyclonehandler import StatsHandler
from rdfdb.syncedgraph import SyncedGraph
from light9 import networking, showconfig
from greplin import scales
import optparse, sys, logging
import cyclone.web
from rdflib import URIRef
from light9.effect.sequencer import Sequencer, Updates
from light9.collector.collector_client import sendToCollector

from light9 import clientsession


class App(object):

    def __init__(self, show, session):
        self.show = show
        self.session = session

        self.graph = SyncedGraph(networking.rdfdb.url, "effectSequencer")
        self.graph.initiallySynced.addCallback(self.launch)

        self.stats = scales.collection(
            '/',
            scales.PmfStat('sendLevels', recalcPeriod=1),
            scales.PmfStat('getMusic', recalcPeriod=1),
            scales.PmfStat('evals', recalcPeriod=1),
            scales.PmfStat('sendOutput', recalcPeriod=1),
            scales.IntStat('errors'),
        )

    def launch(self, *args):
        self.seq = Sequencer(
            self.graph,
            lambda settings: sendToCollector(
                'effectSequencer',
                self.session,
                settings,
                # This seems to be safe here (and lets us get from
                # 20fpx to 40fpx), even though it leads to big stalls
                # if I use it on KC.
                useZmq=True))

        self.cycloneApp = cyclone.web.Application(handlers=[
            (r'/()', cyclone.web.StaticFileHandler, {
                "path": "light9/effect/",
                "default_filename": "sequencer.html"
            }),
            (r'/updates', Updates),
            (r'/stats/(.*)', StatsHandler, {
                'serverName': 'effectsequencer'
            }),
        ],
                                                  debug=True,
                                                  seq=self.seq,
                                                  graph=self.graph,
                                                  stats=self.stats)
        reactor.listenTCP(networking.effectSequencer.port, self.cycloneApp)
        log.info("listening on %s" % networking.effectSequencer.port)


if __name__ == "__main__":
    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")
    parser.add_option("--twistedlog",
                      action="store_true",
                      help="twisted logging")
    clientsession.add_option(parser)
    (options, args) = parser.parse_args()
    log.setLevel(logging.DEBUG if options.verbose else logging.INFO)

    if not options.show:
        raise ValueError("missing --show http://...")

    session = clientsession.getUri('effectSequencer', options)

    app = App(URIRef(options.show), session)
    if options.twistedlog:
        from twisted.python import log as twlog
        twlog.startLogging(sys.stderr)
    reactor.run()