# Copyright (C) 2010-2024 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/

from mock import patch, Mock

import rhodecode
from rhodecode.lib.middleware import vcs
from rhodecode.lib.middleware.simplesvn import SimpleSvn, DisabledSimpleSvnApp, SimpleSvnApp
from rhodecode.tests import SVN_REPO

svn_repo_path = "/" + SVN_REPO


def test_is_hg():
    environ = {"PATH_INFO": svn_repo_path, "QUERY_STRING": "cmd=changegroup", "HTTP_ACCEPT": "application/mercurial"}
    assert vcs.is_hg(environ)


def test_is_hg_no_cmd():
    environ = {"PATH_INFO": svn_repo_path, "QUERY_STRING": "", "HTTP_ACCEPT": "application/mercurial"}
    assert not vcs.is_hg(environ)


def test_is_hg_empty_cmd():
    environ = {
        "REQUEST_METHOD": "GET",
        "PATH_INFO": svn_repo_path,
        "QUERY_STRING": "cmd=",
        "HTTP_ACCEPT": "application/mercurial",
    }
    assert not vcs.is_hg(environ)


def test_is_svn_returns_true_if_subversion_is_in_a_dav_header():
    environ = {
        "REQUEST_METHOD": "GET",
        "PATH_INFO": svn_repo_path,
        "HTTP_DAV": "http://subversion.tigris.org/xmlns/dav/svn/log-revprops",
    }
    assert vcs.is_svn(environ) is True


def test_is_svn_returns_false_if_subversion_is_not_in_a_dav_header():
    environ = {
        "REQUEST_METHOD": "GET",
        "PATH_INFO": svn_repo_path,
        "HTTP_DAV": "http://stuff.tigris.org/xmlns/dav/svn/log-revprops",
    }
    assert vcs.is_svn(environ) is False


def test_is_svn_returns_false_if_no_dav_header():
    environ = {
        "REQUEST_METHOD": "GET",
        "PATH_INFO": svn_repo_path,
    }
    assert vcs.is_svn(environ) is False


def test_is_svn_returns_true_if_magic_path_segment():
    environ = {"PATH_INFO": "/stub-repository/!svn/rev/4", "REQUEST_METHOD": "POST"}
    assert vcs.is_svn(environ)


def test_is_svn_returns_true_if_propfind():
    environ = {
        "REQUEST_METHOD": "PROPFIND",
        "PATH_INFO": svn_repo_path,
    }
    assert vcs.is_svn(environ) is True


def test_is_svn_allows_to_configure_the_magic_path(monkeypatch):
    """
    This is intended as a fallback in case someone has configured his
    Subversion server with a different magic path segment.
    """
    monkeypatch.setitem(rhodecode.CONFIG, "rhodecode_subversion_magic_path", "/!my-magic")
    environ = {
        "REQUEST_METHOD": "POST",
        "PATH_INFO": "/stub-repository/!my-magic/rev/4",
    }
    assert vcs.is_svn(environ)


class TestVCSMiddleware(object):
    def test_get_handler_app_retuns_svn_app_when_proxy_enabled(self, app):
        environ = {
            "PATH_INFO": SVN_REPO,
            "HTTP_DAV": "http://subversion.tigris.org/xmlns/dav/svn/log",
            "REQUEST_METHOD": "POST",
        }
        application = Mock()
        config = {"appenlight": False, "vcs.backends": ["svn"]}
        registry = Mock()
        middleware = vcs.VCSMiddleware(application, registry, config, appenlight_client=None)
        middleware.use_gzip = False

        with patch.object(SimpleSvn, "_is_svn_enabled") as mock_method:
            mock_method.return_value = True
            application = middleware._get_handler_app(environ)
            assert isinstance(application, SimpleSvn)
            assert isinstance(application._create_wsgi_app(Mock(), Mock(), Mock()), SimpleSvnApp)

    def test_get_handler_app_retuns_dummy_svn_app_when_proxy_disabled(self, app):
        environ = {
            "PATH_INFO": SVN_REPO,
            "HTTP_DAV": "http://subversion.tigris.org/xmlns/dav/svn/log",
            "REQUEST_METHOD": "POST",
        }
        application = Mock()
        config = {"appenlight": False, "vcs.backends": ["svn"]}
        registry = Mock()
        middleware = vcs.VCSMiddleware(application, registry, config, appenlight_client=None)
        middleware.use_gzip = False

        with patch.object(SimpleSvn, "_is_svn_enabled") as mock_method:
            mock_method.return_value = False
            application = middleware._get_handler_app(environ)
            assert isinstance(application, SimpleSvn)
            assert isinstance(application._create_wsgi_app(Mock(), Mock(), Mock()), DisabledSimpleSvnApp)
