import os.path

import mutagen


def maxwait(songs, context, conf):
    wait = int(conf.get('EF_MAXWAIT_SEC', 0))
    if wait == 0:
        return True
    print(context)
    curpos, duration = map(int, context['status']['time'].split(':'))
    remaining = duration - curpos
    if remaining > wait:
        return False, 'remaining %d max allowed %d' % (remaining, wait)
    return True


def get_duration(path):
    '''get track duration in seconds'''
    audio = mutagen.File(path)
    return int(audio.info.length)


def percentwait(songs, context, conf, getdur=get_duration):
    percentwait = int(conf.get('EF_MAXWAIT_PERC', 0))
    if percentwait == 0:
        return True
    print(context)
    curpos, duration = map(int, context['status']['time'].split(':'))
    remaining = duration - curpos
    eventduration = 0
    for uri in songs['uris']:
        if not uri.startswith('file://'):
            return True, '%s is not a file' % uri
        path = uri[len('file://'):]  # strips file://
        eventduration += getdur(path)

    wait = eventduration * (percentwait/100.)
    if remaining > wait:
        return False, 'remaining %d max allowed %d' % (remaining, wait)
    return True