from django.urls import reverse

from misago.acl.test import patch_user_acl
from misago.categories.models import Category
from misago.threads.test import patch_category_acl
from misago.users.testutils import AuthenticatedUserTestCase


class StartThreadTests(AuthenticatedUserTestCase):
    def setUp(self):
        super().setUp()

        self.category = Category.objects.get(slug='first-category')
        self.api_link = reverse('misago:api:thread-list')

    def test_cant_start_thread_as_guest(self):
        """user has to be authenticated to be able to post thread"""
        self.logout_user()

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

    @patch_category_acl({"can_see": False})
    def test_cant_see(self):
        """has no permission to see selected category"""
        response = self.client.post(self.api_link, {
            'category': self.category.pk,
        })
        self.assertEqual(response.status_code, 400)
        self.assertEqual(response.json(), {
            'category': ["Selected category is invalid."],
            'post': ['You have to enter a message.'],
            'title': ['You have to enter thread title.'],
        })

    @patch_category_acl({"can_browse": False})
    def test_cant_browse(self):
        """has no permission to browse selected category"""
        response = self.client.post(self.api_link, {
            'category': self.category.pk,
        })
        self.assertEqual(response.status_code, 400)
        self.assertEqual(response.json(), {
            'category': ['Selected category is invalid.'],
            'post': ['You have to enter a message.'],
            'title': ['You have to enter thread title.'],
        })

    @patch_category_acl({"can_start_threads": False})
    def test_cant_start_thread(self):
        """permission to start thread in category is validated"""
        response = self.client.post(self.api_link, {
            'category': self.category.pk,
        })
        self.assertEqual(response.status_code, 400)
        self.assertEqual(response.json(), {
            'category': ["You don't have permission to start new threads in this category."],
            'post': ['You have to enter a message.'],
            'title': ['You have to enter thread title.'],
        })

    @patch_category_acl({"can_start_threads": True, "can_close_threads": False})
    def test_cant_start_thread_in_locked_category(self):
        """can't post in closed category"""
        self.category.is_closed = True
        self.category.save()

        response = self.client.post(self.api_link, {
            'category': self.category.pk,
        })
        self.assertEqual(response.status_code, 400)
        self.assertEqual(response.json(), {
            'category': ["This category is closed. You can't start new threads in it."],
            'post': ['You have to enter a message.'],
            'title': ['You have to enter thread title.'],
        })

    def test_cant_start_thread_in_invalid_category(self):
        """can't post in invalid category"""
        response = self.client.post(self.api_link, {'category': self.category.pk * 100000})
        self.assertEqual(response.status_code, 400)
        self.assertEqual(response.json(), {
            'category': [
                "Selected category doesn't exist or "
                "you don't have permission to browse it."
            ],
            'post': ['You have to enter a message.'],
            'title': ['You have to enter thread title.'],
        })

    @patch_category_acl({"can_start_threads": True})
    def test_empty_data(self):
        """no data sent handling has no showstoppers"""
        response = self.client.post(self.api_link, data={})
        self.assertEqual(response.status_code, 400)
        self.assertEqual(
            response.json(), {
                'category': ["You have to select category to post thread in."],
                'title': ["You have to enter thread title."],
                'post': ["You have to enter a message."],
            }
        )

    @patch_category_acl({"can_start_threads": True})
    def test_invalid_data(self):
        """api errors for invalid request data"""
        response = self.client.post(
            self.api_link,
            'false',
            content_type="application/json",
        )
        self.assertEqual(response.status_code, 400)
        self.assertEqual(response.json(), {
            'non_field_errors': ['Invalid data. Expected a dictionary, but got bool.']
        })

    @patch_category_acl({"can_start_threads": True})
    def test_title_is_validated(self):
        """title is validated"""
        response = self.client.post(
            self.api_link,
            data={
                'category': self.category.pk,
                'title': "------",
                'post': "Lorem ipsum dolor met, sit amet elit!",
            }
        )

        self.assertEqual(response.status_code, 400)
        self.assertEqual(
            response.json(), {
                'title': ["Thread title should contain alpha-numeric characters."],
            }
        )

    @patch_category_acl({"can_start_threads": True})
    def test_post_is_validated(self):
        """post is validated"""
        response = self.client.post(
            self.api_link,
            data={
                'category': self.category.pk,
                'title': "Lorem ipsum dolor met",
                '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)."],
            }
        )

    @patch_category_acl({"can_start_threads": True})
    def test_can_start_thread(self):
        """endpoint creates new thread"""
        response = self.client.post(
            self.api_link,
            data={
                'category': self.category.pk,
                'title': "Hello, I am test thread!",
                'post': "Lorem ipsum dolor met!",
            }
        )
        self.assertEqual(response.status_code, 200)

        thread = self.user.thread_set.all()[:1][0]

        response_json = response.json()
        self.assertEqual(response_json['url'], thread.get_absolute_url())

        response = self.client.get(thread.get_absolute_url())
        self.assertContains(response, self.category.name)
        self.assertContains(response, thread.title)
        self.assertContains(response, "<p>Lorem ipsum dolor met!</p>")

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

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

        self.assertEqual(thread.category_id, self.category.pk)
        self.assertEqual(thread.title, "Hello, I am test thread!")
        self.assertEqual(thread.starter_id, self.user.id)
        self.assertEqual(thread.starter_name, self.user.username)
        self.assertEqual(thread.starter_slug, self.user.slug)
        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)

        post = self.user.post_set.all()[:1][0]
        self.assertEqual(post.category_id, self.category.pk)
        self.assertEqual(post.original, 'Lorem ipsum dolor met!')
        self.assertEqual(post.poster_id, self.user.id)
        self.assertEqual(post.poster_name, self.user.username)

        category = Category.objects.get(pk=self.category.pk)
        self.assertEqual(category.threads, 1)
        self.assertEqual(category.posts, 1)
        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)

    @patch_category_acl({"can_start_threads": True, "can_close_threads": False})
    def test_start_closed_thread_no_permission(self):
        """permission is checked before thread is closed"""
        response = self.client.post(
            self.api_link,
            data={
                'category': self.category.pk,
                'title': "Hello, I am test thread!",
                'post': "Lorem ipsum dolor met!",
                'close': True,
            }
        )
        self.assertEqual(response.status_code, 200)

        thread = self.user.thread_set.all()[:1][0]
        self.assertFalse(thread.is_closed)

    @patch_category_acl({"can_start_threads": True, "can_close_threads": True})
    def test_start_closed_thread(self):
        """can post closed thread"""
        response = self.client.post(
            self.api_link,
            data={
                'category': self.category.pk,
                'title': "Hello, I am test thread!",
                'post': "Lorem ipsum dolor met!",
                'close': True,
            }
        )
        self.assertEqual(response.status_code, 200)

        thread = self.user.thread_set.all()[:1][0]
        self.assertTrue(thread.is_closed)

    @patch_category_acl({"can_start_threads": True, "can_pin_threads": 1})
    def test_start_unpinned_thread(self):
        """can post unpinned thread"""
        response = self.client.post(
            self.api_link,
            data={
                'category': self.category.pk,
                'title': "Hello, I am test thread!",
                'post': "Lorem ipsum dolor met!",
                'pin': 0,
            }
        )
        self.assertEqual(response.status_code, 200)

        thread = self.user.thread_set.all()[:1][0]
        self.assertEqual(thread.weight, 0)

    @patch_category_acl({"can_start_threads": True, "can_pin_threads": 1})
    def test_start_locally_pinned_thread(self):
        """can post locally pinned thread"""
        response = self.client.post(
            self.api_link,
            data={
                'category': self.category.pk,
                'title': "Hello, I am test thread!",
                'post': "Lorem ipsum dolor met!",
                'pin': 1,
            }
        )
        self.assertEqual(response.status_code, 200)

        thread = self.user.thread_set.all()[:1][0]
        self.assertEqual(thread.weight, 1)

    @patch_category_acl({"can_start_threads": True, "can_pin_threads": 2})
    def test_start_globally_pinned_thread(self):
        """can post globally pinned thread"""
        response = self.client.post(
            self.api_link,
            data={
                'category': self.category.pk,
                'title': "Hello, I am test thread!",
                'post': "Lorem ipsum dolor met!",
                'pin': 2,
            }
        )
        self.assertEqual(response.status_code, 200)

        thread = self.user.thread_set.all()[:1][0]
        self.assertEqual(thread.weight, 2)

    @patch_category_acl({"can_start_threads": True, "can_pin_threads": 1})
    def test_start_globally_pinned_thread_no_permission(self):
        """cant post globally pinned thread without permission"""
        response = self.client.post(
            self.api_link,
            data={
                'category': self.category.pk,
                'title': "Hello, I am test thread!",
                'post': "Lorem ipsum dolor met!",
                'pin': 2,
            }
        )
        self.assertEqual(response.status_code, 200)

        thread = self.user.thread_set.all()[:1][0]
        self.assertEqual(thread.weight, 0)

    @patch_category_acl({"can_start_threads": True, "can_pin_threads": 0})
    def test_start_locally_pinned_thread_no_permission(self):
        """cant post locally pinned thread without permission"""
        response = self.client.post(
            self.api_link,
            data={
                'category': self.category.pk,
                'title': "Hello, I am test thread!",
                'post': "Lorem ipsum dolor met!",
                'pin': 1,
            }
        )
        self.assertEqual(response.status_code, 200)

        thread = self.user.thread_set.all()[:1][0]
        self.assertEqual(thread.weight, 0)

    @patch_category_acl({"can_start_threads": True, "can_hide_threads": 1})
    def test_start_hidden_thread(self):
        """can post hidden thread"""
        response = self.client.post(
            self.api_link,
            data={
                'category': self.category.pk,
                'title': "Hello, I am test thread!",
                'post': "Lorem ipsum dolor met!",
                'hide': 1,
            }
        )
        self.assertEqual(response.status_code, 200)

        thread = self.user.thread_set.all()[:1][0]
        self.assertTrue(thread.is_hidden)

        category = Category.objects.get(pk=self.category.pk)
        self.assertNotEqual(category.last_thread_id, thread.id)

    @patch_category_acl({"can_start_threads": True, "can_hide_threads": 0})
    def test_start_hidden_thread_no_permission(self):
        """cant post hidden thread without permission"""
        response = self.client.post(
            self.api_link,
            data={
                'category': self.category.pk,
                'title': "Hello, I am test thread!",
                'post': "Lorem ipsum dolor met!",
                'hide': 1,
            }
        )
        self.assertEqual(response.status_code, 200)

        thread = self.user.thread_set.all()[:1][0]
        self.assertFalse(thread.is_hidden)

    @patch_category_acl({"can_start_threads": True})
    def test_post_unicode(self):
        """unicode characters can be posted"""
        response = self.client.post(
            self.api_link,
            data={
                'category': self.category.pk,
                'title': "Brzęczyżczykiewicz",
                'post': "Chrzążczyżewoszyce, powiat Łękółody.",
            }
        )
        self.assertEqual(response.status_code, 200)

    @patch_category_acl({"can_start_threads": True})
    def test_category_moderation_queue(self):
        """start unapproved thread in category that requires approval"""
        self.category.require_threads_approval = True
        self.category.save()

        response = self.client.post(
            self.api_link,
            data={
                'category': self.category.pk,
                'title': "Hello, I am test thread!",
                'post': "Lorem ipsum dolor met!",
            }
        )
        self.assertEqual(response.status_code, 200)

        thread = self.user.thread_set.all()[:1][0]
        self.assertTrue(thread.is_unapproved)
        self.assertTrue(thread.has_unapproved_posts)

        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)
        self.assertFalse(category.last_thread_id == thread.id)

    @patch_category_acl({"can_start_threads": True})
    @patch_user_acl({"can_approve_content": True})
    def test_category_moderation_queue_bypass(self):
        """bypass moderation queue due to user's acl"""
        self.category.require_threads_approval = True
        self.category.save()

        response = self.client.post(
            self.api_link,
            data={
                'category': self.category.pk,
                'title': "Hello, I am test thread!",
                'post': "Lorem ipsum dolor met!",
            }
        )
        self.assertEqual(response.status_code, 200)

        thread = self.user.thread_set.all()[:1][0]
        self.assertFalse(thread.is_unapproved)
        self.assertFalse(thread.has_unapproved_posts)

        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 + 1)
        self.assertEqual(category.posts, self.category.posts + 1)
        self.assertEqual(category.last_thread_id, thread.id)

    @patch_category_acl({"can_start_threads": True, "require_threads_approval": True})
    def test_user_moderation_queue(self):
        """start unapproved thread in category that requires approval"""
        response = self.client.post(
            self.api_link,
            data={
                'category': self.category.pk,
                'title': "Hello, I am test thread!",
                'post': "Lorem ipsum dolor met!",
            }
        )
        self.assertEqual(response.status_code, 200)

        thread = self.user.thread_set.all()[:1][0]
        self.assertTrue(thread.is_unapproved)
        self.assertTrue(thread.has_unapproved_posts)

        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)
        self.assertFalse(category.last_thread_id == thread.id)

    @patch_category_acl({"can_start_threads": True, "require_threads_approval": True})
    @patch_user_acl({"can_approve_content": True})
    def test_user_moderation_queue_bypass(self):
        """bypass moderation queue due to user's acl"""
        response = self.client.post(
            self.api_link,
            data={
                'category': self.category.pk,
                'title': "Hello, I am test thread!",
                'post': "Lorem ipsum dolor met!",
            }
        )
        self.assertEqual(response.status_code, 200)

        thread = self.user.thread_set.all()[:1][0]
        self.assertFalse(thread.is_unapproved)
        self.assertFalse(thread.has_unapproved_posts)

        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 + 1)
        self.assertEqual(category.posts, self.category.posts + 1)
        self.assertEqual(category.last_thread_id, thread.id)

    @patch_category_acl({
        "can_start_threads": True,
        "require_replies_approval": True,
        "require_edits_approval": True,
    })
    def test_omit_other_moderation_queues(self):
        """other queues are omitted"""
        self.category.require_replies_approval = True
        self.category.require_edits_approval = True
        self.category.save()

        response = self.client.post(
            self.api_link,
            data={
                'category': self.category.pk,
                'title': "Hello, I am test thread!",
                'post': "Lorem ipsum dolor met!",
            }
        )
        self.assertEqual(response.status_code, 200)

        thread = self.user.thread_set.all()[:1][0]
        self.assertFalse(thread.is_unapproved)
        self.assertFalse(thread.has_unapproved_posts)

        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 + 1)
        self.assertEqual(category.posts, self.category.posts + 1)
        self.assertEqual(category.last_thread_id, thread.id)