# -*- coding: utf-8 -*-
#
# Author: Bo Maryniuk <bo@suse.de>
#
# Copyright 2017 SUSE LLC
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Import Salt Testing Libs
from __future__ import absolute_import, print_function, unicode_literals
import os
try:
    import pytest
except ImportError as import_error:
    pytest = None
NO_PYTEST = not bool(pytest)

from tests.support.mixins import LoaderModuleMockMixin
from tests.support.unit import TestCase, skipIf
from tests.support.mock import (
    patch,
    MagicMock,
    NO_MOCK,
    NO_MOCK_REASON
)

import salt.modules.ansiblegate as ansible
import salt.utils.platform
from salt.exceptions import LoaderError


@skipIf(NO_MOCK, NO_MOCK_REASON)
@skipIf(NO_PYTEST, False)
@skipIf(salt.utils.platform.is_windows(), 'Not supported on Windows')
class AnsiblegateTestCase(TestCase, LoaderModuleMockMixin):
    def setUp(self):
        self.resolver = ansible.AnsibleModuleResolver({})
        self.resolver._modules_map = {
            'one.two.three': os.sep + os.path.join('one', 'two', 'three.py'),
            'four.five.six': os.sep + os.path.join('four', 'five', 'six.py'),
            'three.six.one': os.sep + os.path.join('three', 'six', 'one.py'),
        }

    def tearDown(self):
        self.resolver = None

    def setup_loader_modules(self):
        return {ansible: {}}

    def test_ansible_module_help(self):
        '''
        Test help extraction from the module
        :return:
        '''
        class Module(object):
            '''
            An ansible module mock.
            '''
            __name__ = 'foo'
            DOCUMENTATION = """
---
one:
   text here
---
two:
   text here
description:
   describe the second part
        """

        with patch.object(ansible, '_resolver', self.resolver), \
            patch.object(ansible._resolver, 'load_module', MagicMock(return_value=Module())):
            ret = ansible.help('dummy')
            assert sorted(ret.get('Available sections on module "{0}"'.format(
                Module().__name__))) == ['one', 'two']
            assert ret.get('Description') == 'describe the second part'

    def test_module_resolver_modlist(self):
        '''
        Test Ansible resolver modules list.
        :return:
        '''
        assert self.resolver.get_modules_list() == ['four.five.six', 'one.two.three', 'three.six.one']
        for ptr in ['five', 'fi', 've']:
            assert self.resolver.get_modules_list(ptr) == ['four.five.six']
        for ptr in ['si', 'ix', 'six']:
            assert self.resolver.get_modules_list(ptr) == ['four.five.six', 'three.six.one']
        assert self.resolver.get_modules_list('one') == ['one.two.three', 'three.six.one']
        assert self.resolver.get_modules_list('one.two') == ['one.two.three']
        assert self.resolver.get_modules_list('four') == ['four.five.six']

    def test_resolver_module_loader_failure(self):
        '''
        Test Ansible module loader.
        :return:
        '''
        mod = 'four.five.six'
        with pytest.raises(ImportError) as import_error:
            self.resolver.load_module(mod)

        mod = 'i.even.do.not.exist.at.all'
        with pytest.raises(LoaderError) as loader_error:
            self.resolver.load_module(mod)

    def test_resolver_module_loader(self):
        '''
        Test Ansible module loader.
        :return:
        '''
        with patch('salt.modules.ansiblegate.importlib', MagicMock()),\
            patch('salt.modules.ansiblegate.importlib.import_module', lambda x: x):
            assert self.resolver.load_module('four.five.six') == 'ansible.modules.four.five.six'

    def test_resolver_module_loader_import_failure(self):
        '''
        Test Ansible module loader failure.
        :return:
        '''
        with patch('salt.modules.ansiblegate.importlib', MagicMock()),\
            patch('salt.modules.ansiblegate.importlib.import_module', lambda x: x):
            with pytest.raises(LoaderError) as loader_error:
                self.resolver.load_module('something.strange')

    def test_virtual_function_no_ansible_installed(self):
        '''
        Test Ansible module __virtual__ when ansible is not installed on the minion.
        :return:
        '''
        with patch('salt.modules.ansiblegate.ansible', None):
            assert ansible.__virtual__() == (False, 'Ansible is not installed on this system')

    @patch('salt.modules.ansiblegate.ansible', MagicMock())
    @patch('salt.modules.ansiblegate.list', MagicMock())
    @patch('salt.modules.ansiblegate._set_callables', MagicMock())
    @patch('salt.modules.ansiblegate.AnsibleModuleCaller', MagicMock())
    def test_virtual_function_ansible_is_installed(self):
        '''
        Test Ansible module __virtual__ when ansible is installed on the minion.
        :return:
        '''
        resolver = MagicMock()
        resolver.resolve = MagicMock()
        resolver.resolve.install = MagicMock()
        with patch('salt.modules.ansiblegate.AnsibleModuleResolver', resolver):
            assert ansible.__virtual__() == (True, None)