# item.py

import timings

class Item:
    def __init__(self, title, events):
        self._title = title
        self._events = events
        self._timings = timings.Timings()
        for event in self._events:
            event.set_timings(self._timings)
            event.prepare()
        self.resolve()

    def reset(self):
        self._timings.reset()
        self.resolve()

    def resolve(self):
        self._timings.resolve()
        self._timings.resolve(final=True)
        def eventkey(x):
            x = x.at
            if x is None:
                return (1, x)
            else:
                return (0, x)
        self._events.sort(key=eventkey)
#        print("Item {}".format(self._title))
#        for event in self._events:
#            print("Event at time {}".format(event.at))

    def activate(self, marker, time):
        if marker is None:
            marker = self._timings.get_button()
        if marker is None:
            return False
        self._timings.set_marker(marker, time)
        self.resolve()
        return True

    def get_next_button(self):
        return self._timings.get_button()

    def get_title(self):
        return self._title

    def get_timings(self):
        return self._timings

    def set_audiencecontent(self, audiencecontent):
        for event in self._events:
            event.set_audiencecontent(audiencecontent)