#
# (c) 2016 Red Hat Inc.
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible 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 General Public License
# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.

# Make coding more python3-ish
from __future__ import absolute_import, division, print_function

__metaclass__ = type

import sys
import pytest

from ansible_collections.ansible.netcommon.tests.unit.compat import unittest
from ansible_collections.ansible.netcommon.tests.unit.compat.mock import (
    patch,
    MagicMock,
    PropertyMock,
)
from ansible.playbook.play_context import PlayContext

pytest.importorskip("ncclient")

PY3 = sys.version_info[0] == 3

builtin_import = __import__

mock_ncclient = MagicMock(name="ncclient")


def import_mock(name, *args):
    if name.startswith("ncclient"):
        return mock_ncclient
    return builtin_import(name, *args)


if PY3:
    with patch("builtins.__import__", side_effect=import_mock):
        from ansible_collections.ansible.netcommon.plugins.connection import (
            netconf,
        )
        from ansible.plugins.loader import connection_loader
else:
    with patch("__builtin__.__import__", side_effect=import_mock):
        from ansible_collections.ansible.netcommon.plugins.connection import (
            netconf,
        )
        from ansible.plugins.loader import connection_loader


class TestNetconfConnectionClass(unittest.TestCase):
    def test_netconf_init(self):
        pc = PlayContext()
        conn = connection_loader.get("netconf", pc, "/dev/null")

        self.assertEqual("auto", conn._network_os)
        self.assertIsNone(conn._manager)
        self.assertFalse(conn._connected)

    @patch(
        "ansible_collections.ansible.netcommon.plugins.connection.netconf.netconf_loader"
    )
    def test_netconf__connect(self, mock_netconf_loader):
        pc = PlayContext()
        conn = connection_loader.get(
            "ansible.netcommon.netconf", pc, "/dev/null"
        )

        mock_manager = MagicMock()
        mock_manager.session_id = "123456789"
        netconf.manager.connect = MagicMock(return_value=mock_manager)

        rc, out, err = conn._connect()

        self.assertEqual(0, rc)
        self.assertEqual(b"123456789", out)
        self.assertEqual(b"", err)
        self.assertTrue(conn._connected)

    def test_netconf_exec_command(self):
        pc = PlayContext()
        conn = connection_loader.get(
            "ansible.netcommon.netconf", pc, "/dev/null"
        )

        conn._connected = True

        mock_reply = MagicMock(name="reply")
        type(mock_reply).data_xml = PropertyMock(return_value="<test/>")

        mock_manager = MagicMock(name="self._manager")
        mock_manager.rpc.return_value = mock_reply
        conn._manager = mock_manager

        out = conn.exec_command("<test/>")

        self.assertEqual("<test/>", out)

    def test_netconf_exec_command_invalid_request(self):
        pc = PlayContext()
        conn = connection_loader.get(
            "ansible.netcommon.netconf", pc, "/dev/null"
        )

        conn._connected = True

        mock_manager = MagicMock(name="self._manager")
        conn._manager = mock_manager

        netconf.to_ele.return_value = None

        out = conn.exec_command("test string")

        self.assertEqual("unable to parse request", out)
