from dateutil import rrule
import datetime
import pickle
# event = {
  # 'summary': 'Google I/O 2015',
  # 'location': '800 Howard St., San Francisco, CA 94103',
  # 'description': 'A chance to hear more about Google\'s developer products.',
  # 'start': {
    # 'dateTime': '2015-05-28T09:00:00-07:00',
    # 'timeZone': 'America/Los_Angeles',
  # },
  # 'end': {
    # 'dateTime': '2015-05-28T17:00:00-07:00',
    # 'timeZone': 'America/Los_Angeles',
  # },
  # 'recurrence': [
    # 'RRULE:FREQ=DAILY;COUNT=2'
  # ],
  # 'attendees': [
    # {'email': 'lpage@example.com'},
    # {'email': 'sbrin@example.com'},
  # ],
  # 'reminders': {
    # 'useDefault': False,
    # 'overrides': [
      # {'method': 'email', 'minutes': 24 * 60},
      # {'method': 'popup', 'minutes': 10},
    # ],
  # },
# }

def rrule_former(class_obj):
    days = class_obj.days
    start =datetime.datetime.combine(class_obj.date_range[0],class_obj.time_range[0]).astimezone()
    end =datetime.datetime.combine(class_obj.date_range[1],class_obj.time_range[1]).astimezone()
    
    days = list(map(lambda day: (day -1) % 7,days))
    ret = rrule.rrule(freq=rrule.WEEKLY,dtstart=start,wkst=rrule.SU,until=end,byweekday=days)
    return ret


    
def test():
    #test
    now = datetime.datetime.now()
    from munch import Munch
    test_obj = Munch(
        days=[1,3,5],
        time_range=[
            now.time(),
            (now+datetime.timedelta(seconds=50*60)).time()
            ],
        date_range=[
            now.date(),
            (now+datetime.timedelta(days=20)).date()
            ],
        )
    test_result = rrule_former(test_obj)
    return locals()