"""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.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)
        if SEND_HOUR_LOOP:
            while self.end_time > datetime.now():
                self.send()
                sleep(30)
        else:
            self.send()
        if self.verbose:
            print 'End session sending'

    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()