#!/usr/bin/env python

import datetime, os, sys
import syslog

os.environ.setdefault("DJANGO_SETTINGS_MODULE", "ietf.settings")
syslog.openlog(os.path.basename(__file__), syslog.LOG_PID, syslog.LOG_USER)

import django
django.setup()

from ietf.utils.mail import smtp_error_logging
from smtplib import SMTPException


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

from ietf.message.utils import send_scheduled_message_from_send_queue
from ietf.message.models import SendQueue

mode = sys.argv[1]

now = datetime.datetime.now()

needs_sending = SendQueue.objects.filter(sent_at=None).select_related("message")
if mode == "specific":
    needs_sending = needs_sending.exclude(send_at=None).filter(send_at__lte=now)

for s in needs_sending:
    with smtp_error_logging(send_scheduled_message_from_send_queue) as send: 
        send(s)
        syslog.syslog(u'Sent scheduled message %s "%s"' % (s.id, s.message.subject))