from django.urls import reverse

from misago.acl.testutils import override_acl
from misago.categories.models import Category
from misago.threads import testutils
from misago.threads.models import Thread
from misago.users.testutils import AuthenticatedUserTestCase


class ReplyThreadTests(AuthenticatedUserTestCase):
    def setUp(self):
        super(ReplyThreadTests, self).setUp()

        self.category = Category.objects.get(slug='first-category')
        self.thread = testutils.post_thread(category=self.category)

        self.api_link = reverse(
            'misago:api:thread-post-list', kwargs={
                'thread_pk': self.thread.pk,
            }
        )

    def override_acl(self, extra_acl=None):
        new_acl = self.user.acl_cache
        new_acl['categories'][self.category.pk].update({
            'can_see': 1,
            'can_browse': 1,
            'can_start_threads': 0,
            'can_reply_threads': 1,
        })

        if extra_acl:
            new_acl['categories'][self.category.pk].update(extra_acl)

        override_acl(self.user, new_acl)

    def test_cant_reply_thread_as_guest(self):
        """user has to be authenticated to be able to post reply"""
        self.logout_user()

        response = self.client.post(self.api_link)
        self.assertEqual(response.status_code, 403)

    def test_thread_visibility(self):
        """thread's visibility is validated"""
        self.override_acl({'can_see': 0})
        response = self.client.post(self.api_link)
        self.assertEqual(response.status_code, 404)

        self.override_acl({'can_browse': 0})
        response = self.client.post(self.api_link)
        self.assertEqual(response.status_code, 404)

        self.override_acl({'can_see_all_threads': 0})
        response = self.client.post(self.api_link)
        self.assertEqual(response.status_code, 404)

    def test_cant_reply_thread(self):
        """permission to reply thread is validated"""
        self.override_acl({'can_reply_threads': 0})

        response = self.client.post(self.api_link)
        self.assertContains(
            response, "You can't reply to threads in this category.", status_code=403
        )

    def test_closed_category(self):
        """permssion to reply in closed category is validated"""
        self.override_acl({'can_close_threads': 0})

        self.category.is_closed = True
        self.category.save()

        response = self.client.post(self.api_link)
        self.assertContains(
            response,
            "This category is closed. You can't reply to threads in it.",
            status_code=403
        )

        # allow to post in closed category
        self.override_acl({'can_close_threads': 1})

        response = self.client.post(self.api_link)
        self.assertEqual(response.status_code, 400)

    def test_closed_thread(self):
        """permssion to reply in closed thread is validated"""
        self.override_acl({'can_close_threads': 0})

        self.thread.is_closed = True
        self.thread.save()

        response = self.client.post(self.api_link)
        self.assertContains(
            response, "You can't reply to closed threads in this category.", status_code=403
        )

        # allow to post in closed thread
        self.override_acl({'can_close_threads': 1})

        response = self.client.post(self.api_link)
        self.assertEqual(response.status_code, 400)

    def test_empty_data(self):
        """no data sent handling has no showstoppers"""
        self.override_acl()

        response = self.client.post(self.api_link, data={})

        self.assertContains(response, "You have to enter a message.", status_code=400)

    def test_invalid_data(self):
        """api errors for invalid request data"""
        self.override_acl()

        response = self.client.post(
            self.api_link,
            'false',
            content_type="application/json",
        )

        self.assertContains(response, "Invalid data.", status_code=400)

    def test_post_is_validated(self):
        """post is validated"""
        self.override_acl()

        response = self.client.post(
            self.api_link, data={
                'post': "a",
            }
        )

        self.assertEqual(response.status_code, 400)
        self.assertEqual(
            response.json(), {
                'post': ["Posted message should be at least 5 characters long (it has 1)."],
            }
        )

    def test_can_reply_thread(self):
        """endpoint creates new reply"""
        self.override_acl()
        response = self.client.post(
            self.api_link, data={
                'post': "This is test response!",
            }
        )
        self.assertEqual(response.status_code, 200)

        thread = Thread.objects.get(pk=self.thread.pk)

        self.override_acl()
        response = self.client.get(self.thread.get_absolute_url())
        self.assertContains(response, "<p>This is test response!</p>")

        # api increased user's posts counts
        self.reload_user()
        self.assertEqual(self.user.threads, 0)
        self.assertEqual(self.user.posts, 1)

        self.assertEqual(self.user.audittrail_set.count(), 1)

        post = self.user.post_set.all()[:1][0]
        self.assertEqual(post.category_id, self.category.pk)
        self.assertEqual(post.original, "This is test response!")
        self.assertEqual(post.poster_id, self.user.id)
        self.assertEqual(post.poster_name, self.user.username)

        self.assertEqual(thread.last_post_id, post.id)
        self.assertEqual(thread.last_poster_id, self.user.id)
        self.assertEqual(thread.last_poster_name, self.user.username)
        self.assertEqual(thread.last_poster_slug, self.user.slug)

        category = Category.objects.get(pk=self.category.pk)
        self.assertEqual(category.last_thread_id, thread.id)
        self.assertEqual(category.last_thread_title, thread.title)
        self.assertEqual(category.last_thread_slug, thread.slug)

        self.assertEqual(category.last_poster_id, self.user.id)
        self.assertEqual(category.last_poster_name, self.user.username)
        self.assertEqual(category.last_poster_slug, self.user.slug)

    def test_post_unicode(self):
        """unicode characters can be posted"""
        self.override_acl()

        response = self.client.post(
            self.api_link, data={
                'post': "Chrzążczyżewoszyce, powiat Łękółody.",
            }
        )
        self.assertEqual(response.status_code, 200)

    def test_category_moderation_queue(self):
        """reply thread in category that requires approval"""
        self.category.require_replies_approval = True
        self.category.save()

        response = self.client.post(
            self.api_link, data={
                'post': "Lorem ipsum dolor met!",
            }
        )
        self.assertEqual(response.status_code, 200)

        thread = Thread.objects.get(pk=self.thread.pk)
        self.assertFalse(thread.is_unapproved)
        self.assertTrue(thread.has_unapproved_posts)
        self.assertEqual(thread.replies, self.thread.replies)

        post = self.user.post_set.all()[:1][0]
        self.assertTrue(post.is_unapproved)

        category = Category.objects.get(slug='first-category')
        self.assertEqual(category.threads, self.category.threads)
        self.assertEqual(category.posts, self.category.posts)

    def test_category_moderation_queue_bypass(self):
        """bypass moderation queue due to user's acl"""
        override_acl(self.user, {'can_approve_content': 1})

        self.category.require_replies_approval = True
        self.category.save()

        response = self.client.post(
            self.api_link, data={
                'post': "Lorem ipsum dolor met!",
            }
        )
        self.assertEqual(response.status_code, 200)

        thread = Thread.objects.get(pk=self.thread.pk)
        self.assertFalse(thread.is_unapproved)
        self.assertFalse(thread.has_unapproved_posts)
        self.assertEqual(thread.replies, self.thread.replies + 1)

        post = self.user.post_set.all()[:1][0]
        self.assertFalse(post.is_unapproved)

        category = Category.objects.get(slug='first-category')
        self.assertEqual(category.threads, self.category.threads)
        self.assertEqual(category.posts, self.category.posts + 1)

    def test_user_moderation_queue(self):
        """reply thread by user that requires approval"""
        self.override_acl({'require_replies_approval': 1})

        response = self.client.post(
            self.api_link, data={
                'post': "Lorem ipsum dolor met!",
            }
        )
        self.assertEqual(response.status_code, 200)

        thread = Thread.objects.get(pk=self.thread.pk)
        self.assertFalse(thread.is_unapproved)
        self.assertTrue(thread.has_unapproved_posts)
        self.assertEqual(thread.replies, self.thread.replies)

        post = self.user.post_set.all()[:1][0]
        self.assertTrue(post.is_unapproved)

        category = Category.objects.get(slug='first-category')
        self.assertEqual(category.threads, self.category.threads)
        self.assertEqual(category.posts, self.category.posts)

    def test_user_moderation_queue_bypass(self):
        """bypass moderation queue due to user's acl"""
        override_acl(self.user, {'can_approve_content': 1})

        self.override_acl({'require_replies_approval': 1})

        response = self.client.post(
            self.api_link, data={
                'post': "Lorem ipsum dolor met!",
            }
        )
        self.assertEqual(response.status_code, 200)

        thread = Thread.objects.get(pk=self.thread.pk)
        self.assertFalse(thread.is_unapproved)
        self.assertFalse(thread.has_unapproved_posts)
        self.assertEqual(thread.replies, self.thread.replies + 1)

        post = self.user.post_set.all()[:1][0]
        self.assertFalse(post.is_unapproved)

        category = Category.objects.get(slug='first-category')
        self.assertEqual(category.threads, self.category.threads)
        self.assertEqual(category.posts, self.category.posts + 1)

    def test_omit_other_moderation_queues(self):
        """other queues are omitted"""
        self.category.require_threads_approval = True
        self.category.require_edits_approval = True
        self.category.save()

        self.override_acl({
            'require_threads_approval': 1,
            'require_edits_approval': 1,
        })

        response = self.client.post(
            self.api_link, data={
                'post': "Lorem ipsum dolor met!",
            }
        )
        self.assertEqual(response.status_code, 200)

        thread = Thread.objects.get(pk=self.thread.pk)
        self.assertFalse(thread.is_unapproved)
        self.assertFalse(thread.has_unapproved_posts)
        self.assertEqual(thread.replies, self.thread.replies + 1)

        post = self.user.post_set.all()[:1][0]
        self.assertFalse(post.is_unapproved)

        category = Category.objects.get(slug='first-category')
        self.assertEqual(category.threads, self.category.threads)
        self.assertEqual(category.posts, self.category.posts + 1)