from django.contrib.auth.models import User
from django.test import TestCase
from django.urls import reverse

from bookmarks.models import build_tag_string
from bookmarks.tests.helpers import BookmarkFactoryMixin


class BookmarkEditViewTestCase(TestCase, BookmarkFactoryMixin):

    def setUp(self) -> None:
        user = self.get_or_create_test_user()
        self.client.force_login(user)

    def create_form_data(self, overrides=None):
        if overrides is None:
            overrides = {}
        form_data = {
            "url": "http://example.com/edited",
            "tag_string": "editedtag1 editedtag2",
            "title": "edited title",
            "description": "edited description",
            "notes": "edited notes",
            "unread": False,
            "shared": False,
        }
        return {**form_data, **overrides}

    def test_should_edit_bookmark(self):
        bookmark = self.setup_bookmark()
        form_data = self.create_form_data({"id": bookmark.id})

        self.client.post(reverse("bookmarks:edit", args=[bookmark.id]), form_data)

        bookmark.refresh_from_db()

        self.assertEqual(bookmark.owner, self.user)
        self.assertEqual(bookmark.url, form_data["url"])
        self.assertEqual(bookmark.title, form_data["title"])
        self.assertEqual(bookmark.description, form_data["description"])
        self.assertEqual(bookmark.notes, form_data["notes"])
        self.assertEqual(bookmark.unread, form_data["unread"])
        self.assertEqual(bookmark.shared, form_data["shared"])
        self.assertEqual(bookmark.tags.count(), 2)
        tags = bookmark.tags.order_by("name").all()
        self.assertEqual(tags[0].name, "editedtag1")
        self.assertEqual(tags[1].name, "editedtag2")

    def test_should_edit_unread_state(self):
        bookmark = self.setup_bookmark()

        form_data = self.create_form_data({"id": bookmark.id, "unread": True})
        self.client.post(reverse("bookmarks:edit", args=[bookmark.id]), form_data)
        bookmark.refresh_from_db()
        self.assertTrue(bookmark.unread)

        form_data = self.create_form_data({"id": bookmark.id, "unread": False})
        self.client.post(reverse("bookmarks:edit", args=[bookmark.id]), form_data)
        bookmark.refresh_from_db()
        self.assertFalse(bookmark.unread)

    def test_should_edit_shared_state(self):
        bookmark = self.setup_bookmark()

        form_data = self.create_form_data({"id": bookmark.id, "shared": True})
        self.client.post(reverse("bookmarks:edit", args=[bookmark.id]), form_data)
        bookmark.refresh_from_db()
        self.assertTrue(bookmark.shared)

        form_data = self.create_form_data({"id": bookmark.id, "shared": False})
        self.client.post(reverse("bookmarks:edit", args=[bookmark.id]), form_data)
        bookmark.refresh_from_db()
        self.assertFalse(bookmark.shared)

    def test_should_prefill_bookmark_form_fields(self):
        tag1 = self.setup_tag()
        tag2 = self.setup_tag()
        bookmark = self.setup_bookmark(
            tags=[tag1, tag2],
            title="edited title",
            description="edited description",
            notes="edited notes",
        )

        response = self.client.get(reverse("bookmarks:edit", args=[bookmark.id]))
        html = response.content.decode()

        self.assertInHTML(
            f"""
            <input type="text" name="url" value="{bookmark.url}" placeholder=" "
                    autofocus class="form-input" required id="id_url">   
        """,
            html,
        )

        tag_string = build_tag_string(bookmark.tag_names, " ")
        self.assertInHTML(
            f"""
            <input type="text" name="tag_string" value="{tag_string}" 
                    autocomplete="off" autocapitalize="off" class="form-input" id="id_tag_string">
        """,
            html,
        )

        self.assertInHTML(
            f"""
            <input type="text" name="title" value="{bookmark.title}" maxlength="512" autocomplete="off" 
                    class="form-input" id="id_title">
        """,
            html,
        )

        self.assertInHTML(
            f"""
            <textarea name="description" cols="40" rows="3" class="form-input" id="id_description">
                {bookmark.description}
            </textarea>
        """,
            html,
        )

        self.assertInHTML(
            f"""
            <textarea name="notes" cols="40" rows="8" class="form-input" id="id_notes">
                {bookmark.notes}
            </textarea>
        """,
            html,
        )

    def test_should_redirect_to_return_url(self):
        bookmark = self.setup_bookmark()
        form_data = self.create_form_data()

        url = (
            reverse("bookmarks:edit", args=[bookmark.id])
            + "?return_url="
            + reverse("bookmarks:close")
        )
        response = self.client.post(url, form_data)

        self.assertRedirects(response, reverse("bookmarks:close"))

    def test_should_redirect_to_bookmark_index_by_default(self):
        bookmark = self.setup_bookmark()
        form_data = self.create_form_data()

        response = self.client.post(
            reverse("bookmarks:edit", args=[bookmark.id]), form_data
        )

        self.assertRedirects(response, reverse("bookmarks:index"))

    def test_should_not_redirect_to_external_url(self):
        bookmark = self.setup_bookmark()

        def post_with(return_url, follow=None):
            form_data = self.create_form_data()
            url = (
                reverse("bookmarks:edit", args=[bookmark.id])
                + f"?return_url={return_url}"
            )
            return self.client.post(url, form_data, follow=follow)

        response = post_with("https://example.com")
        self.assertRedirects(response, reverse("bookmarks:index"))
        response = post_with("//example.com")
        self.assertRedirects(response, reverse("bookmarks:index"))
        response = post_with("://example.com")
        self.assertRedirects(response, reverse("bookmarks:index"))

        response = post_with("/foo//example.com", follow=True)
        self.assertEqual(response.status_code, 404)

    def test_can_only_edit_own_bookmarks(self):
        other_user = User.objects.create_user(
            "otheruser", "otheruser@example.com", "password123"
        )
        bookmark = self.setup_bookmark(user=other_user)
        form_data = self.create_form_data({"id": bookmark.id})

        response = self.client.post(
            reverse("bookmarks:edit", args=[bookmark.id]), form_data
        )
        bookmark.refresh_from_db()
        self.assertNotEqual(bookmark.url, form_data["url"])
        self.assertEqual(response.status_code, 404)

    def test_should_respect_share_profile_setting(self):
        bookmark = self.setup_bookmark()

        self.user.profile.enable_sharing = False
        self.user.profile.save()
        response = self.client.get(reverse("bookmarks:edit", args=[bookmark.id]))
        html = response.content.decode()

        self.assertInHTML(
            """
            <label for="id_shared" class="form-checkbox">
              <input type="checkbox" name="shared" id="id_shared">
              <i class="form-icon"></i>
              <span>Share</span>
            </label>            
        """,
            html,
            count=0,
        )

        self.user.profile.enable_sharing = True
        self.user.profile.save()
        response = self.client.get(reverse("bookmarks:edit", args=[bookmark.id]))
        html = response.content.decode()

        self.assertInHTML(
            """
            <label for="id_shared" class="form-checkbox">
              <input type="checkbox" name="shared" id="id_shared">
              <i class="form-icon"></i>
              <span>Share</span>
            </label>            
        """,
            html,
            count=1,
        )

    def test_should_hide_notes_if_there_are_no_notes(self):
        bookmark = self.setup_bookmark()
        response = self.client.get(reverse("bookmarks:edit", args=[bookmark.id]))

        self.assertContains(response, '<details class="notes">', count=1)

    def test_should_show_notes_if_there_are_notes(self):
        bookmark = self.setup_bookmark(notes="test notes")
        response = self.client.get(reverse("bookmarks:edit", args=[bookmark.id]))

        self.assertContains(response, '<details class="notes" open>', count=1)