# Copyright (C) 2010-2023 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
#
# 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 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/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/

import os
import datetime
import subprocess

import pytest

from rhodecode.lib.vcs.backends.git import GitRepository
from rhodecode.lib.vcs.exceptions import VCSError
from rhodecode.lib.vcs.utils import author_email, author_name
from rhodecode.lib.vcs.utils.helpers import get_scm
from rhodecode.lib.vcs.utils.helpers import get_scms_for_path
from rhodecode.lib.vcs.utils.helpers import parse_datetime
from rhodecode.lib.vcs.utils.paths import get_dirs_for_path


@pytest.mark.usefixtures("baseapp")
class TestPaths(object):
    def _test_get_dirs_for_path(self, path, expected):
        """
        Tests if get_dirs_for_path returns same as expected.
        """
        expected = sorted(expected)
        result = sorted(get_dirs_for_path(path))
        assert result == expected, "%s != %s which was expected result for path %s" % (result, expected, path)

    def test_get_dirs_for_path(self):
        path = "foo/bar/baz/file"
        paths_and_results = (
            ("foo/bar/baz/file", ["foo", "foo/bar", "foo/bar/baz"]),
            ("foo/bar/", ["foo", "foo/bar"]),
            ("foo/bar", ["foo"]),
        )
        for path, expected in paths_and_results:
            self._test_get_dirs_for_path(path, expected)

    def test_get_scms_for_path(self, tmpdir):
        new = tmpdir.strpath
        assert get_scms_for_path(new) == []

        os.mkdir(os.path.join(new, ".tux"))
        assert get_scms_for_path(new) == []

        os.mkdir(os.path.join(new, ".git"))
        assert set(get_scms_for_path(new)) == set(["git"])

        os.mkdir(os.path.join(new, ".hg"))
        assert set(get_scms_for_path(new)) == set(["git", "hg"])


class TestGetScm(object):
    def test_existing_repository(self, vcs_repository_support):
        alias, repo = vcs_repository_support
        assert (alias, repo.path) == get_scm(repo.path)

    def test_raises_if_path_is_empty(self, tmpdir):
        with pytest.raises(VCSError):
            get_scm(str(tmpdir))

    def test_get_scm_error_path(self):
        with pytest.raises(VCSError):
            get_scm("err")

    def test_get_two_scms_for_path(self, tmpdir):
        multialias_repo_path = str(tmpdir)
        git_default_branch = GitRepository.DEFAULT_BRANCH_NAME

        subprocess.check_call(["hg", "init", multialias_repo_path])
        subprocess.check_call(["git", "-c", f"init.defaultBranch={git_default_branch}", "init", multialias_repo_path])

        with pytest.raises(VCSError):
            get_scm(multialias_repo_path)

    def test_ignores_svn_working_copy(self, tmpdir):
        tmpdir.mkdir(".svn")
        with pytest.raises(VCSError):
            get_scm(tmpdir.strpath)


class TestParseDatetime(object):
    def test_datetime_text(self):
        assert parse_datetime("2010-04-07 21:29:41") == datetime.datetime(2010, 4, 7, 21, 29, 41)

    def test_no_seconds(self):
        assert parse_datetime("2010-04-07 21:29") == datetime.datetime(2010, 4, 7, 21, 29)

    def test_date_only(self):
        assert parse_datetime("2010-04-07") == datetime.datetime(2010, 4, 7)

    def test_another_format(self):
        assert parse_datetime("04/07/10 21:29:41") == datetime.datetime(2010, 4, 7, 21, 29, 41)

    def test_now(self):
        assert parse_datetime("now") - datetime.datetime.now() < datetime.timedelta(seconds=1)

    def test_today(self):
        today = datetime.date.today()
        assert parse_datetime("today") == datetime.datetime(*today.timetuple()[:3])

    def test_yesterday(self):
        yesterday = datetime.date.today() - datetime.timedelta(days=1)
        assert parse_datetime("yesterday") == datetime.datetime(*yesterday.timetuple()[:3])

    def test_tomorrow(self):
        tomorrow = datetime.date.today() + datetime.timedelta(days=1)
        args = tomorrow.timetuple()[:3] + (23, 59, 59)
        assert parse_datetime("tomorrow") == datetime.datetime(*args)

    def test_days(self):
        timestamp = datetime.datetime.today() - datetime.timedelta(days=3)
        args = timestamp.timetuple()[:3] + (0, 0, 0, 0)
        expected = datetime.datetime(*args)
        assert parse_datetime("3d") == expected
        assert parse_datetime("3 d") == expected
        assert parse_datetime("3 day") == expected
        assert parse_datetime("3 days") == expected

    def test_weeks(self):
        timestamp = datetime.datetime.today() - datetime.timedelta(days=3 * 7)
        args = timestamp.timetuple()[:3] + (0, 0, 0, 0)
        expected = datetime.datetime(*args)
        assert parse_datetime("3w") == expected
        assert parse_datetime("3 w") == expected
        assert parse_datetime("3 week") == expected
        assert parse_datetime("3 weeks") == expected

    def test_mixed(self):
        timestamp = datetime.datetime.today() - datetime.timedelta(days=2 * 7 + 3)
        args = timestamp.timetuple()[:3] + (0, 0, 0, 0)
        expected = datetime.datetime(*args)
        assert parse_datetime("2w3d") == expected
        assert parse_datetime("2w 3d") == expected
        assert parse_datetime("2w 3 days") == expected
        assert parse_datetime("2 weeks 3 days") == expected


@pytest.mark.parametrize(
    "test_str, name, email",
    [
        ("Marcin Kuzminski <marcin@python-works.com>", "Marcin Kuzminski", "marcin@python-works.com"),
        ("Marcin Kuzminski Spaces < marcin@python-works.com >", "Marcin Kuzminski Spaces", "marcin@python-works.com"),
        (
            "Marcin Kuzminski <marcin.kuzminski@python-works.com>",
            "Marcin Kuzminski",
            "marcin.kuzminski@python-works.com",
        ),
        ("mrf RFC_SPEC <marcin+kuzminski@python-works.com>", "mrf RFC_SPEC", "marcin+kuzminski@python-works.com"),
        ("username <user@email.com>", "username", "user@email.com"),
        ("username <user@email.com", "username", "user@email.com"),
        ("broken missing@email.com", "broken", "missing@email.com"),
        ("<justemail@mail.com>", "", "justemail@mail.com"),
        ("justname", "justname", ""),
        ("Mr Double Name withemail@email.com ", "Mr Double Name", "withemail@email.com"),
    ],
)
class TestAuthorExtractors(object):
    def test_author_email(self, test_str, name, email):
        assert email == author_email(test_str)

    def test_author_name(self, test_str, name, email):
        assert name == author_name(test_str)