#!/usr/bin/env python

import datetime, os, sys
import syslog

from ietf import settings
from django.core import management
management.setup_environ(settings)

syslog.openlog(os.path.basename(__file__), syslog.LOG_PID, syslog.LOG_LOCAL0)


from ietf.announcements.models import ScheduledAnnouncement
from ietf.announcements.send_scheduled import *
from django.db.models import Q

if len(sys.argv) != 2 or sys.argv[1] not in ('all', 'rsync', 'specific'):
    print "USAGE: %s <all | rsync | specific>" % os.path.basename(__file__)
    print "'all' means all not sent"
    print "'rsync' means all not sent where to-be-sent-date is null"
    print "'specific' means all not sent that are due to be sent"
    sys.exit(1)

mode = sys.argv[1]

now = datetime.datetime.now()

if settings.USE_DB_REDESIGN_PROXY_CLASSES:
    from ietf.announcements.models import SendQueue
    announcements = SendQueue.objects.filter(sent_at=None)
    if mode == "rsync":
        announcements = announcements.filter(send_at=None)
    elif mode == "specific":
        announcements = announcements.exclude(send_at=None).filter(send_at__lte=now)
else:
    announcements = ScheduledAnnouncement.objects.filter(mail_sent=False)
    if mode == "rsync":
        # include bogus 0000-00-00 entries
        announcements = announcements.filter(Q(to_be_sent_date=None) | Q(to_be_sent_date__lte=datetime.date.min))
    elif mode == "specific":
        # exclude null/bogus entries
        announcements = announcements.exclude(Q(to_be_sent_date=None) | Q(to_be_sent_date__lte=datetime.date.min))

        announcements = announcements.filter(to_be_sent_date__lte=now.date(),
                                             to_be_sent_time__lte=now.time())
    
for announcement in announcements:
    send_scheduled_announcement(announcement)

    subject = announcement.message.subject if settings.USE_DB_REDESIGN_PROXY_CLASSES else announcement.subject
    syslog.syslog(u'Sent scheduled announcement %s "%s"' % (announcement.id, subject))