#!/usr/bin/env python

import datetime, os, sys
import syslog

# boilerplate
basedir = os.path.abspath(os.path.join(os.path.dirname(__file__), "../.."))
sys.path = [ basedir ] + sys.path
os.environ["DJANGO_SETTINGS_MODULE"] = "ietf.settings"

virtualenv_activation = os.path.join(basedir, "bin", "activate_this.py")
if os.path.exists(virtualenv_activation):
    execfile(virtualenv_activation, dict(__file__=virtualenv_activation))

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

import django
django.setup()

from ietf.utils.mail import log_smtp_exception, send_error_email
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:
    try:
        send_scheduled_message_from_send_queue(s)
        syslog.syslog(u'Sent scheduled message %s "%s"' % (s.id, s.message.subject))
    except SMTPException as e:
        log_smtp_exception(e)
        send_error_email(e)