# GNU MediaGoblin -- federated, autonomous media hosting
# Copyright (C) 2011, 2012 MediaGoblin contributors.  See AUTHORS.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

from nose.tools import assert_equal

from mediagoblin.db.base import Session
from mediagoblin.db.models import User, MediaEntry, MediaComment
from mediagoblin.tests.tools import get_app, \
    fixture_add_user, fixture_media_entry


def test_404_for_non_existent():
    test_app = get_app(dump_old_app=False)
    res = test_app.get('/does-not-exist/', expect_errors=True)
    assert_equal(res.status_int, 404)


def test_user_deletes_other_comments():
    user_a = fixture_add_user(u"chris_a")
    user_b = fixture_add_user(u"chris_b")

    media_a = fixture_media_entry(uploader=user_a.id, save=False)
    media_b = fixture_media_entry(uploader=user_b.id, save=False)
    Session.add(media_a)
    Session.add(media_b)
    Session.flush()

    # Create all 4 possible comments:
    for u_id in (user_a.id, user_b.id):
        for m_id in (media_a.id, media_b.id):
            cmt = MediaComment()
            cmt.media_entry = m_id
            cmt.author = u_id
            cmt.content = u"Some Comment"
            Session.add(cmt)

    Session.flush()

    usr_cnt1 = User.query.count()
    med_cnt1 = MediaEntry.query.count()
    cmt_cnt1 = MediaComment.query.count()

    User.query.get(user_a.id).delete(commit=False)

    usr_cnt2 = User.query.count()
    med_cnt2 = MediaEntry.query.count()
    cmt_cnt2 = MediaComment.query.count()

    # One user deleted
    assert_equal(usr_cnt2, usr_cnt1 - 1)
    # One media gone
    assert_equal(med_cnt2, med_cnt1 - 1)
    # Three of four comments gone.
    assert_equal(cmt_cnt2, cmt_cnt1 - 3)

    User.query.get(user_b.id).delete()

    usr_cnt2 = User.query.count()
    med_cnt2 = MediaEntry.query.count()
    cmt_cnt2 = MediaComment.query.count()

    # All users gone
    assert_equal(usr_cnt2, usr_cnt1 - 2)
    # All media gone
    assert_equal(med_cnt2, med_cnt1 - 2)
    # All comments gone
    assert_equal(cmt_cnt2, cmt_cnt1 - 4)


def test_media_deletes_broken_attachment():
    user_a = fixture_add_user(u"chris_a")

    media = fixture_media_entry(uploader=user_a.id, save=False)
    media.attachment_files.append(dict(
            name=u"some name",
            filepath=[u"does", u"not", u"exist"],
            ))
    Session.add(media)
    Session.flush()

    MediaEntry.query.get(media.id).delete()
    User.query.get(user_a.id).delete()