import logging
import xmlrpc.client
from unittest.mock import Mock, patch

import pytest

import toddlers.utils.bugzilla_system


class TestBugzillaSystem:
    def test_set_bz_no_bugzilla_url(self):
        with pytest.raises(
            ValueError, match=r"No bugzilla_url found in the configuration file"
        ):
            toddlers.utils.bugzilla_system.set_bz({})

    def test_set_bz_no_bugzilla_username(self):
        with pytest.raises(
            ValueError, match=r"No bugzilla_username found in the configuration file"
        ):
            config = {
                "bugzilla_url": "https:bz.example.com",
            }
            toddlers.utils.bugzilla_system.set_bz(config)

    def test_set_bz_no_bugzilla_password(self):
        with pytest.raises(
            ValueError, match=r"No bugzilla_password found in the configuration file"
        ):
            config = {
                "bugzilla_url": "https:bz.example.com",
                "bugzilla_username": "bz_username",
            }
            toddlers.utils.bugzilla_system.set_bz(config)

    @patch("toddlers.utils.bugzilla_system.Bugzilla")
    def test_set_bz(self, mock_bz):
        mock_bz.return_value = "bugzilla_object"
        config = {
            "bugzilla_url": "https:bz.example.com",
            "bugzilla_username": "bz_username",
            "bugzilla_password": "bz_password",
        }
        output = toddlers.utils.bugzilla_system.set_bz(config)
        mock_bz.assert_called_with(
            url="https:bz.example.com/xmlrpc.cgi",
            user="bz_username",
            password="bz_password",
            cookiefile=None,
            tokenfile=None,
        )
        assert output == "bugzilla_object"

    @patch("toddlers.utils.bugzilla_system._BUGZILLA", new=None)
    def test_get_bz_not_set(self):
        with pytest.raises(
            ValueError, match=r"No bugzilla connection set, call set_bz first"
        ):
            toddlers.utils.bugzilla_system.get_bz()

    def test_get_bz(self):
        output = toddlers.utils.bugzilla_system.get_bz()
        assert output == "bugzilla_object"

    @patch("toddlers.utils.bugzilla_system.get_bz")
    def test_get_group_member(self, mock_bz):
        groups = Mock()
        groups.member_emails = ["foo@bar.com", "foo@baz.com"]
        server = Mock()
        server.getgroup.return_value = groups
        mock_bz.return_value = server

        output = toddlers.utils.bugzilla_system.get_group_member("test")
        mock_bz.assert_called_with()
        server.getgroup.assert_called_with("test", membership=True)
        assert output == ["foo@bar.com", "foo@baz.com"]

    @patch("toddlers.utils.bugzilla_system.get_bz")
    def test_remove_user_from_group(self, mock_bz):
        server = Mock()
        server.updateperms.return_value = True
        mock_bz.return_value = server

        toddlers.utils.bugzilla_system.remove_user_from_group(
            "test@foo.com", "groupname"
        )
        mock_bz.assert_called_with()
        server.updateperms.assert_called_with("test@foo.com", "rem", "groupname")

    @patch("toddlers.utils.bugzilla_system.get_bz")
    def test_remove_user_from_group_failed(self, mock_bz):
        server = Mock()
        server.updateperms.side_effect = xmlrpc.client.Fault(55, "error string")
        mock_bz.return_value = server

        with pytest.raises(xmlrpc.client.Fault, match=r"<Fault 55: 'error string'>"):
            toddlers.utils.bugzilla_system.remove_user_from_group(
                "test@foo.com", "groupname"
            )
        mock_bz.assert_called_with()
        server.updateperms.assert_called_with("test@foo.com", "rem", "groupname")

    @patch("toddlers.utils.bugzilla_system.get_bz")
    def test_remove_user_from_group_no_user(self, mock_bz):
        server = Mock()
        server.updateperms.side_effect = xmlrpc.client.Fault(51, "No such user")
        mock_bz.return_value = server

        toddlers.utils.bugzilla_system.remove_user_from_group(
            "test@foo.com", "groupname"
        )
        mock_bz.assert_called_with()
        server.updateperms.assert_called_with("test@foo.com", "rem", "groupname")

    @patch("toddlers.utils.bugzilla_system.get_bz")
    def test_user_exists(self, mock_bz):
        server = Mock()
        server.getuser.return_value = True
        mock_bz.return_value = server

        output = toddlers.utils.bugzilla_system.user_exists("test@foo.com")
        mock_bz.assert_called_with()
        server.getuser.assert_called_with("test@foo.com")
        assert output

    @patch("toddlers.utils.bugzilla_system.get_bz")
    def test_user_exists_no_user(self, mock_bz):
        server = Mock()
        server.getuser.side_effect = xmlrpc.client.Fault(51, "No such user")
        mock_bz.return_value = server

        output = toddlers.utils.bugzilla_system.user_exists("test@foo.com")
        mock_bz.assert_called_with()
        server.getuser.assert_called_with("test@foo.com")
        assert output is False

    @patch("toddlers.utils.bugzilla_system.get_bz")
    def test_user_exists_failed(self, mock_bz):
        server = Mock()
        server.getuser.side_effect = xmlrpc.client.Fault(55, "error string")
        mock_bz.return_value = server

        with pytest.raises(xmlrpc.client.Fault, match=r"<Fault 55: 'error string'>"):
            toddlers.utils.bugzilla_system.user_exists("test@foo.com")
        mock_bz.assert_called_with()
        server.getuser.assert_called_with("test@foo.com")

    @patch("toddlers.utils.bugzilla_system.user_exists", new=Mock(return_value=False))
    @patch("toddlers.utils.bugzilla_system.get_bz")
    def test_add_user_to_group_no_user(self, mock_bz):
        server = Mock()
        server.updateperms.return_value = True
        mock_bz.return_value = server

        output = toddlers.utils.bugzilla_system.add_user_to_group(
            user_email="test@foo.com",
            bz_group="groupname",
            no_bz_account=[],
            dry_run=False,
        )
        mock_bz.assert_called_with()
        server.updateperms.assert_not_called()
        assert output == ["test@foo.com"]

    @patch("toddlers.utils.bugzilla_system.user_exists", new=Mock(return_value=True))
    @patch("toddlers.utils.bugzilla_system.get_bz")
    def test_add_user_to_group_dry_run(self, mock_bz, caplog):
        caplog.set_level(logging.INFO)
        server = Mock()
        server.updateperms.return_value = True
        mock_bz.return_value = server

        output = toddlers.utils.bugzilla_system.add_user_to_group(
            user_email="test@foo.com",
            bz_group="groupname",
            no_bz_account=[],
            dry_run=True,
        )
        mock_bz.assert_called_with()
        server.updateperms.assert_not_called()
        assert output == []
        assert (
            caplog.records[-1].message
            == "   Would add test@foo.com to the group groupname"
        )

    @patch("toddlers.utils.bugzilla_system.user_exists", new=Mock(return_value=True))
    @patch("toddlers.utils.bugzilla_system.get_bz")
    def test_add_user_to_group(self, mock_bz, caplog):
        caplog.set_level(logging.INFO)
        server = Mock()
        server.updateperms.return_value = True
        mock_bz.return_value = server

        output = toddlers.utils.bugzilla_system.add_user_to_group(
            user_email="test@foo.com",
            bz_group="groupname",
            no_bz_account=[],
            dry_run=False,
        )
        mock_bz.assert_called_with()
        server.updateperms.assert_called_with("test@foo.com", "add", "groupname")
        assert output == []