""" test for app action functionality """
import json
from unittest.mock import patch
from django.core.exceptions import PermissionDenied
from django.test import TestCase
from django.test.client import RequestFactory

from bookwyrm import forms, models, views
from bookwyrm.settings import DOMAIN
from bookwyrm.tests.validate_html import validate_html


# pylint: disable=invalid-name
@patch("bookwyrm.suggested_users.rerank_suggestions_task.delay")
@patch("bookwyrm.activitystreams.populate_stream_task.delay")
@patch("bookwyrm.activitystreams.remove_status_task.delay")
@patch("bookwyrm.models.activitypub_mixin.broadcast_task.delay")
class StatusViews(TestCase):
    """viewing and creating statuses"""

    def setUp(self):
        """we need basic test data and mocks"""
        self.factory = RequestFactory()
        with patch("bookwyrm.suggested_users.rerank_suggestions_task.delay"), patch(
            "bookwyrm.activitystreams.populate_stream_task.delay"
        ):
            self.local_user = models.User.objects.create_user(
                "mouse@local.com",
                "mouse@mouse.com",
                "mouseword",
                local=True,
                localname="mouse",
                remote_id="https://example.com/users/mouse",
            )
        with patch("bookwyrm.models.user.set_remote_server"):
            self.remote_user = models.User.objects.create_user(
                "rat",
                "rat@email.com",
                "ratword",
                local=False,
                remote_id="https://example.com/users/rat",
                inbox="https://example.com/users/rat/inbox",
                outbox="https://example.com/users/rat/outbox",
            )

        work = models.Work.objects.create(title="Test Work")
        self.book = models.Edition.objects.create(
            title="Example Edition",
            remote_id="https://example.com/book/1",
            parent_work=work,
        )
        models.SiteSettings.objects.create()

    def test_handle_status(self, *_):
        """create a status"""
        view = views.CreateStatus.as_view()
        form = forms.CommentForm(
            {
                "content": "hi",
                "user": self.local_user.id,
                "book": self.book.id,
                "privacy": "public",
            }
        )
        request = self.factory.post("", form.data)
        request.user = self.local_user

        view(request, "comment")

        status = models.Comment.objects.get()
        self.assertEqual(status.content, "<p>hi</p>")
        self.assertEqual(status.user, self.local_user)
        self.assertEqual(status.book, self.book)
        self.assertFalse(status.edited)

    def test_handle_status_reply(self, *_):
        """create a status in reply to an existing status"""
        view = views.CreateStatus.as_view()
        user = models.User.objects.create_user(
            "rat", "rat@rat.com", "password", local=True
        )
        parent = models.Status.objects.create(
            content="parent status", user=self.local_user
        )
        form = forms.ReplyForm(
            {
                "content": "hi",
                "user": user.id,
                "reply_parent": parent.id,
                "privacy": "public",
            }
        )
        request = self.factory.post("", form.data)
        request.user = user

        view(request, "reply")

        status = models.Status.objects.get(user=user)
        self.assertEqual(status.content, "<p>hi</p>")
        self.assertEqual(status.user, user)
        self.assertEqual(models.Notification.objects.get().user, self.local_user)

    def test_handle_status_mentions(self, *_):
        """@mention a user in a post"""
        view = views.CreateStatus.as_view()
        user = models.User.objects.create_user(
            f"rat@{DOMAIN}",
            "rat@rat.com",
            "password",
            local=True,
            localname="rat",
        )
        form = forms.CommentForm(
            {
                "content": "hi @rat",
                "user": self.local_user.id,
                "book": self.book.id,
                "privacy": "public",
            }
        )
        request = self.factory.post("", form.data)
        request.user = self.local_user

        view(request, "comment")

        status = models.Status.objects.get()
        self.assertEqual(list(status.mention_users.all()), [user])
        self.assertEqual(models.Notification.objects.get().user, user)
        self.assertEqual(
            status.content, f'<p>hi <a href="{user.remote_id}">@rat</a></p>'
        )

    def test_handle_status_reply_with_mentions(self, *_):
        """reply to a post with an @mention'ed user"""
        view = views.CreateStatus.as_view()
        user = models.User.objects.create_user(
            "rat", "rat@rat.com", "password", local=True, localname="rat"
        )
        form = forms.CommentForm(
            {
                "content": "hi @rat@example.com",
                "user": self.local_user.id,
                "book": self.book.id,
                "privacy": "public",
            }
        )
        request = self.factory.post("", form.data)
        request.user = self.local_user

        view(request, "comment")
        status = models.Status.objects.get()

        form = forms.ReplyForm(
            {
                "content": "right",
                "user": user.id,
                "privacy": "public",
                "reply_parent": status.id,
            }
        )
        request = self.factory.post("", form.data)
        request.user = user

        view(request, "reply")

        reply = models.Status.replies(status).first()
        self.assertEqual(reply.content, "<p>right</p>")
        self.assertEqual(reply.user, user)
        # the mentioned user in the parent post is only included if @'ed
        self.assertFalse(self.remote_user in reply.mention_users.all())
        self.assertTrue(self.local_user in reply.mention_users.all())

    def test_find_mentions(self, *_):
        """detect and look up @ mentions of users"""
        user = models.User.objects.create_user(
            f"nutria@{DOMAIN}",
            "nutria@nutria.com",
            "password",
            local=True,
            localname="nutria",
        )
        self.assertEqual(user.username, f"nutria@{DOMAIN}")

        self.assertEqual(
            list(views.status.find_mentions("@nutria"))[0], ("@nutria", user)
        )
        self.assertEqual(
            list(views.status.find_mentions("leading text @nutria"))[0],
            ("@nutria", user),
        )
        self.assertEqual(
            list(views.status.find_mentions("leading @nutria trailing text"))[0],
            ("@nutria", user),
        )
        self.assertEqual(
            list(views.status.find_mentions("@rat@example.com"))[0],
            ("@rat@example.com", self.remote_user),
        )

        multiple = list(views.status.find_mentions("@nutria and @rat@example.com"))
        self.assertEqual(multiple[0], ("@nutria", user))
        self.assertEqual(multiple[1], ("@rat@example.com", self.remote_user))

        with patch("bookwyrm.views.status.handle_remote_webfinger") as rw:
            rw.return_value = self.local_user
            self.assertEqual(
                list(views.status.find_mentions("@beep@beep.com"))[0],
                ("@beep@beep.com", self.local_user),
            )
        with patch("bookwyrm.views.status.handle_remote_webfinger") as rw:
            rw.return_value = None
            self.assertEqual(list(views.status.find_mentions("@beep@beep.com")), [])

        self.assertEqual(
            list(views.status.find_mentions(f"@nutria@{DOMAIN}"))[0],
            (f"@nutria@{DOMAIN}", user),
        )

    def test_format_links_simple_url(self, *_):
        """find and format urls into a tags"""
        url = "http://www.fish.com/"
        self.assertEqual(
            views.status.format_links(url), f'<a href="{url}">www.fish.com/</a>'
        )
        self.assertEqual(
            views.status.format_links(f"({url})"),
            f'(<a href="{url}">www.fish.com/</a>)',
        )

    def test_format_links_paragraph_break(self, *_):
        """find and format urls into a tags"""
        url = """okay

http://www.fish.com/"""
        self.assertEqual(
            views.status.format_links(url),
            'okay\n\n<a href="http://www.fish.com/">www.fish.com/</a>',
        )

    def test_format_links_parens(self, *_):
        """find and format urls into a tags"""
        url = "http://www.fish.com/"
        self.assertEqual(
            views.status.format_links(f"({url})"),
            f'(<a href="{url}">www.fish.com/</a>)',
        )

    def test_format_links_special_chars(self, *_):
        """find and format urls into a tags"""
        url = "https://archive.org/details/dli.granth.72113/page/n25/mode/2up"
        self.assertEqual(
            views.status.format_links(url),
            f'<a href="{url}">'
            "archive.org/details/dli.granth.72113/page/n25/mode/2up</a>",
        )
        url = "https://openlibrary.org/search?q=arkady+strugatsky&mode=everything"
        self.assertEqual(
            views.status.format_links(url),
            f'<a href="{url}">openlibrary.org/search'
            "?q=arkady+strugatsky&mode=everything</a>",
        )
        url = "https://tech.lgbt/@bookwyrm"
        self.assertEqual(
            views.status.format_links(url), f'<a href="{url}">tech.lgbt/@bookwyrm</a>'
        )
        url = "https://users.speakeasy.net/~lion/nb/book.pdf"
        self.assertEqual(
            views.status.format_links(url),
            f'<a href="{url}">users.speakeasy.net/~lion/nb/book.pdf</a>',
        )
        url = "https://pkm.one/#/page/The%20Book%20launched%20a%201000%20Note%20apps"
        self.assertEqual(
            views.status.format_links(url), f'<a href="{url}">{url[8:]}</a>'
        )

    def test_to_markdown(self, *_):
        """this is mostly handled in other places, but nonetheless"""
        text = "_hi_ and http://fish.com is <marquee>rad</marquee>"
        result = views.status.to_markdown(text)
        self.assertEqual(
            result,
            '<p><em>hi</em> and <a href="http://fish.com">fish.com</a> ' "is rad</p>",
        )

    def test_to_markdown_detect_url(self, *_):
        """this is mostly handled in other places, but nonetheless"""
        text = "http://fish.com/@hello#okay"
        result = views.status.to_markdown(text)
        self.assertEqual(
            result,
            '<p><a href="http://fish.com/@hello#okay">fish.com/@hello#okay</a></p>',
        )

    def test_to_markdown_link(self, *_):
        """this is mostly handled in other places, but nonetheless"""
        text = "[hi](http://fish.com) is <marquee>rad</marquee>"
        result = views.status.to_markdown(text)
        self.assertEqual(result, '<p><a href="http://fish.com">hi</a> ' "is rad</p>")

    def test_handle_delete_status(self, mock, *_):
        """marks a status as deleted"""
        view = views.DeleteStatus.as_view()
        with patch("bookwyrm.activitystreams.add_status_task.delay"):
            status = models.Status.objects.create(user=self.local_user, content="hi")
        self.assertFalse(status.deleted)
        request = self.factory.post("")
        request.user = self.local_user

        with patch("bookwyrm.activitystreams.remove_status_task.delay") as redis_mock:
            view(request, status.id)
            self.assertTrue(redis_mock.called)
        activity = json.loads(mock.call_args_list[1][0][1])
        self.assertEqual(activity["type"], "Delete")
        self.assertEqual(activity["object"]["type"], "Tombstone")
        status.refresh_from_db()
        self.assertTrue(status.deleted)

    def test_handle_delete_status_permission_denied(self, *_):
        """marks a status as deleted"""
        view = views.DeleteStatus.as_view()
        with patch("bookwyrm.activitystreams.add_status_task.delay"):
            status = models.Status.objects.create(user=self.local_user, content="hi")
        self.assertFalse(status.deleted)
        request = self.factory.post("")
        request.user = self.remote_user

        with self.assertRaises(PermissionDenied):
            view(request, status.id)

        status.refresh_from_db()
        self.assertFalse(status.deleted)

    def test_handle_delete_status_moderator(self, mock, *_):
        """marks a status as deleted"""
        view = views.DeleteStatus.as_view()
        with patch("bookwyrm.activitystreams.add_status_task.delay"):
            status = models.Status.objects.create(user=self.local_user, content="hi")
        self.assertFalse(status.deleted)
        request = self.factory.post("")
        request.user = self.remote_user
        request.user.is_superuser = True

        with patch("bookwyrm.activitystreams.remove_status_task.delay") as redis_mock:
            view(request, status.id)
            self.assertTrue(redis_mock.called)
        activity = json.loads(mock.call_args_list[1][0][1])
        self.assertEqual(activity["type"], "Delete")
        self.assertEqual(activity["object"]["type"], "Tombstone")
        status.refresh_from_db()
        self.assertTrue(status.deleted)

    def test_edit_status_get(self, *_):
        """load the edit status view"""
        view = views.EditStatus.as_view()
        status = models.Comment.objects.create(
            content="status", user=self.local_user, book=self.book
        )

        request = self.factory.get("")
        request.user = self.local_user
        result = view(request, status.id)
        validate_html(result.render())
        self.assertEqual(result.status_code, 200)

    def test_edit_status_get_reply(self, *_):
        """load the edit status view"""
        view = views.EditStatus.as_view()
        parent = models.Comment.objects.create(
            content="parent status", user=self.local_user, book=self.book
        )
        status = models.Status.objects.create(
            content="reply", user=self.local_user, reply_parent=parent
        )

        request = self.factory.get("")
        request.user = self.local_user
        result = view(request, status.id)
        validate_html(result.render())
        self.assertEqual(result.status_code, 200)

    def test_create_status_edit_success(self, mock, *_):
        """update an existing status"""
        status = models.Status.objects.create(content="status", user=self.local_user)
        view = views.CreateStatus.as_view()
        form = forms.CommentForm(
            {
                "content": "hi",
                "user": self.local_user.id,
                "book": self.book.id,
                "privacy": "public",
            }
        )
        request = self.factory.post("", form.data)
        request.user = self.local_user

        view(request, "comment", existing_status_id=status.id)
        activity = json.loads(mock.call_args_list[1][0][1])
        self.assertEqual(activity["type"], "Update")
        self.assertEqual(activity["object"]["id"], status.remote_id)

        status.refresh_from_db()
        self.assertEqual(status.content, "<p>hi</p>")
        self.assertTrue(status.edited)

    def test_create_status_edit_permission_denied(self, *_):
        """update an existing status"""
        status = models.Status.objects.create(content="status", user=self.local_user)
        view = views.CreateStatus.as_view()
        form = forms.CommentForm(
            {
                "content": "hi",
                "user": self.local_user.id,
                "book": self.book.id,
                "privacy": "public",
            }
        )
        request = self.factory.post("", form.data)
        request.user = self.remote_user

        with self.assertRaises(PermissionDenied):
            view(request, "comment", existing_status_id=status.id)