import re

from django.core.management.base import BaseCommand
from mailer.models import Message
from members.models import Member


class Command(BaseCommand):
    help = "Shows reply-to addresses"
    requires_system_checks = False

    def add_arguments(self, parser):
        parser.add_argument("--message_id", default="-1")
        parser.add_argument("--subject", default="")

    def handle(self, *args, **options):
        replies = []
        try:
            message_id = int(options["message_id"])
            message = Message.objects.get(pk=message_id)
            if message.reply_to:
                replies = list(message.reply_to.all())
                replies.extend(message.reply_to_email_address.all())
        except (Message.DoesNotExist, ValueError):
            extracted = re.match(
                "^([Ww][Gg]: *|[Ff][Ww]: *|[Rr][Ee]: *|[Aa][Ww]: *)* *(.*)$", options["subject"]
            ).group(2)
            try:
                msgs = Message.objects.filter(subject=extracted)
                message = msgs.all()[0]
                if message.reply_to:
                    replies = list(message.reply_to.all())
                    replies.extend(message.reply_to_email_address.all())
            except (Message.DoesNotExist, ValueError, IndexError):
                pass

        if not replies:
            # send mail to all jugendleiters
            replies = Member.objects.filter(group__name="Jugendleiter", gets_newsletter=True)
        forwards = [lst.email for lst in replies]

        self.stdout.write(" ".join(forwards))