# -*- coding: utf-8 -*-
"""Command for sending the newsletter"""
from datetime import datetime, timedelta
from time import sleep

from django.conf import settings
from django.utils.translation import activate
from django.utils import timezone
from django.core.management.base import NoArgsCommand

from emencia.django.newsletter.settings import SEND_HOUR_LOOP
from emencia.django.newsletter.mailer import Mailer
from emencia.django.newsletter.models import Newsletter


class Command(NoArgsCommand):
    """Send the newsletter in queue"""
    help = 'Send the newsletter in queue'

    def handle_noargs(self, **options):
        self.end_time = datetime.now() + timedelta(minutes=30)
        self.verbose = int(options['verbosity'])

        activate(settings.LANGUAGE_CODE)
        # FIXME: временно делаем одну отправку и завершаем.
        # Это сделано для того, чтобы отправка писем была более контролируемая
        self.send()
        # if SEND_HOUR_LOOP:
        #     while self.end_time > datetime.now():
        #         self.send()
        #         sleep(30)
        # else:
        #     self.send()
        if self.verbose:
            print 'End session sending (%s)' % timezone.now()

    def send(self):
        for newsletter in Newsletter.objects.exclude(
            status__in=[Newsletter.DRAFT,
                        Newsletter.SENT,
                        Newsletter.CANCELED]):
            mailer = Mailer(newsletter, verbose=self.verbose)
            if mailer.can_send:
                mailer.run()