from datetime import timedelta
from unittest import mock

from django.contrib.auth import get_user_model
from django.core import mail
from django.test import TestCase
from django.utils import timezone

from bda.models import (
    Attribution, Participant, Salle, Spectacle, SpectacleRevente, Tirage,
)

User = get_user_model()


class SpectacleReventeTests(TestCase):
    fixtures = ['gestioncof/management/data/custommail.json']

    def setUp(self):
        now = timezone.now()

        self.t = Tirage.objects.create(
            title='Tirage',
            ouverture=now - timedelta(days=7),
            fermeture=now - timedelta(days=3),
            active=True,
        )
        self.s = Spectacle.objects.create(
            title='Spectacle',
            date=now + timedelta(days=20),
            location=Salle.objects.create(name='Salle', address='Address'),
            price=10.5,
            slots=5,
            tirage=self.t,
            listing=False,
        )

        self.seller = Participant.objects.create(
            user=User.objects.create(
                username='seller', email='seller@mail.net'),
            tirage=self.t,
        )
        self.p1 = Participant.objects.create(
            user=User.objects.create(username='part1', email='part1@mail.net'),
            tirage=self.t,
        )
        self.p2 = Participant.objects.create(
            user=User.objects.create(username='part2', email='part2@mail.net'),
            tirage=self.t,
        )
        self.p3 = Participant.objects.create(
            user=User.objects.create(username='part3', email='part3@mail.net'),
            tirage=self.t,
        )

        self.attr = Attribution.objects.create(
            participant=self.seller,
            spectacle=self.s,
        )

        self.rev = SpectacleRevente.objects.create(
            attribution=self.attr,
            seller=self.seller,
        )

    def test_tirage(self):
        revente = self.rev

        wanted_by = [self.p1, self.p2, self.p3]
        revente.answered_mail = wanted_by

        with mock.patch('bda.models.random.choice') as mc:
            # Set winner to self.p1.
            mc.return_value = self.p1

            revente.tirage()

            # Call to random.choice used participants in wanted_by.
            mc_args, _ = mc.call_args

            self.assertEqual(set(mc_args[0]), set(wanted_by))

        self.assertEqual(revente.soldTo, self.p1)
        self.assertTrue(revente.tirage_done)

        mails = {m.to[0]: m for m in mail.outbox}

        self.assertEqual(len(mails), 4)

        m_seller = mails['seller@mail.net']
        self.assertListEqual(m_seller.to, ['seller@mail.net'])
        self.assertListEqual(m_seller.reply_to, ['part1@mail.net'])

        m_winner = mails['part1@mail.net']
        self.assertListEqual(m_winner.to, ['part1@mail.net'])

        self.assertCountEqual(
            [mails['part2@mail.net'].to, mails['part3@mail.net'].to],
            [['part2@mail.net'], ['part3@mail.net']],
        )