from django.contrib.auth import get_user_model
from django.test import TestCase
from django.urls import reverse

from writingtogether.models import Story, StoryPart, StoryRound

User = get_user_model()


class TestViews(TestCase):
    def setUp(self) -> None:
        self.user1 = User.objects.create_user(username='player1', password='12345')
        self.user2 = User.objects.create_user(username='player2')
        self.client.login(username='player1', password='12345')

    def test_create_story_round_two_rounds(self):

        response = self.client.post(
            reverse('writing:create_story_round'),
            {
                'name': 'test round',
                'participants': [self.user1.pk, self.user2.pk],
                'number_of_rounds': 2
            }
        )

        self.assertEqual(response.status_code, 302)
        self.assertEqual(Story.objects.all().count(), 2)
        self.assertEqual(StoryPart.objects.all().count(), 4)

        story_user1 = Story.objects.get(started_by=self.user1.pk)
        story_user2 = Story.objects.get(started_by=self.user2.pk)

        story_user1_parts = StoryPart.objects.filter(part_of=story_user1)
        story_user2_parts = StoryPart.objects.filter(part_of=story_user2)

        # each story has 2 story parts
        self.assertEqual(story_user1_parts.count(), 2)
        self.assertEqual(story_user2_parts.count(), 2)

    def test_create_story_round_4_rounds(self):

        response = self.client.post(
            reverse('writing:create_story_round'),
            {
                'name': 'test round',
                'participants': [self.user1.pk, self.user2.pk],
                'number_of_rounds': 4
            }
        )

        self.assertEqual(response.status_code, 302)
        self.assertEqual(Story.objects.all().count(), 2)
        self.assertEqual(StoryPart.objects.all().count(), 8)

        story_user1 = Story.objects.get(started_by=self.user1.pk)
        story_user2 = Story.objects.get(started_by=self.user2.pk)

        story_user1_parts = StoryPart.objects.filter(part_of=story_user1)
        story_user2_parts = StoryPart.objects.filter(part_of=story_user2)

        # each story has 2 story parts
        self.assertEqual(story_user1_parts.count(), 4)
        self.assertEqual(story_user2_parts.count(), 4)

    def test_create_story_round_three_users_two_rounds(self):
        user3 = User.objects.create(username='player3')

        response = self.client.post(
            reverse('writing:create_story_round'),
            {
                'name': 'test round',
                'participants': [self.user1.pk, self.user2.pk, user3.pk],
                'number_of_rounds': 2
            }
        )

        self.assertEqual(response.status_code, 302)
        self.assertEqual(Story.objects.all().count(), 3)
        self.assertEqual(StoryPart.objects.all().count(), 6)

        story_user1 = Story.objects.get(started_by=self.user1.pk)
        story_user2 = Story.objects.get(started_by=self.user2.pk)
        story_user3 = Story.objects.get(started_by=user3.pk)

        story_user1_parts = StoryPart.objects.filter(part_of=story_user1)
        story_user2_parts = StoryPart.objects.filter(part_of=story_user2)
        story_user3_parts = StoryPart.objects.filter(part_of=story_user3)

        # each story has 2 story parts
        self.assertEqual(story_user1_parts.count(), 2)
        self.assertEqual(story_user2_parts.count(), 2)
        self.assertEqual(story_user3_parts.count(), 2)

    def test_integration_create_and_next_part(self):
        response = self.client.post(
            reverse('writing:create_story_round'),
            {
                'name': 'test round',
                'participants': [self.user1.pk, self.user2.pk],
                'number_of_rounds': 2
            }
        )

        story_round = StoryRound.objects.get()

        result = story_round.get_next_story_part(self.user1)

        story_user1 = Story.objects.get(started_by=self.user1.pk)
        self.assertEqual(result.part_of, story_user1)
        self.assertEqual(result.turn_number, 0)
        self.assertEqual(result.user_id, self.user1.pk)

    def test_integration_create_and_next_part__more_rounds(self):
        response = self.client.post(
            reverse('writing:create_story_round'),
            {
                'name': 'test round',
                'participants': [self.user1.pk, self.user2.pk],
                'number_of_rounds': 4
            }
        )

        story_round = StoryRound.objects.get()
        result = story_round.get_next_story_part(self.user1)

        story_user1 = Story.objects.get(started_by=self.user1.pk)
        self.assertEqual(result.part_of, story_user1)
        self.assertEqual(result.turn_number, 0)
        self.assertEqual(result.user_id, self.user1.pk)

    def test_integration_create_and_next_part__second_round(self):
        response = self.client.post(
            reverse('writing:create_story_round'),
            {
                'name': 'test round',
                'participants': [self.user1.pk, self.user2.pk],
                'number_of_rounds': 4
            }
        )

        story_round = StoryRound.objects.get()
        story_round.current_turn = 1
        story_round.save()

        result = story_round.get_next_story_part(self.user1)

        story_user2 = Story.objects.get(started_by=self.user2.pk)
        self.assertEqual(result.part_of, story_user2)
        self.assertEqual(result.turn_number, 1)
        self.assertEqual(result.user_id, self.user1.pk)