# -*- coding: utf-8 -*-
"""
    :codeauthor: `Tyler Johnson <tjohnson@saltstack.com>`

    tests.unit.cloud.clouds.openstack_test
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
"""

# Import Python libs
from __future__ import absolute_import, print_function, unicode_literals

import pytest

# Import Salt Libs
from salt.cloud.clouds import openstack

# Import Salt Testing Libs
from tests.support.mixins import LoaderModuleMockMixin
from tests.support.mock import patch
from tests.support.unit import TestCase


class MockImage(object):
    name = "image name"
    id = "image id"


class MockNode(object):
    name = "node name"
    id = "node id"
    flavor = MockImage()
    status = "node status"

    def __init__(self, image):
        self.image = image

    def __iter__(self):
        return iter(())


class MockConn(object):
    def __init__(self, image):
        self.node = MockNode(image)

    def get_image(self, *args, **kwargs):
        return self.node.image

    def get_flavor(self, *args, **kwargs):
        return self.node.flavor

    def get_server(self, *args, **kwargs):
        return self.node

    def list_servers(self, *args, **kwargs):
        return [self.node]


class OpenstackTestCase(TestCase, LoaderModuleMockMixin):
    """
    Unit TestCase for salt.cloud.clouds.openstack module.
    """

    def setup_loader_modules(self):
        return {
            openstack: {
                "__active_provider_name__": "",
                "__opts__": {
                    "providers": {
                        "my-openstack-cloud": {
                            "openstack": {
                                "auth": "daenerys",
                                "region_name": "westeros",
                                "cloud": "openstack",
                            }
                        }
                    }
                },
            }
        }

    def test_get_configured_provider_bad(self):
        with patch.dict(openstack.__opts__, {"providers": {}}):
            result = openstack.get_configured_provider()
            self.assertEqual(result, False)

    def test_get_configured_provider_auth(self):
        config = {
            "region_name": "westeros",
            "auth": "daenerys",
        }
        with patch.dict(
            openstack.__opts__,
            {"providers": {"my-openstack-cloud": {"openstack": config}}},
        ):
            result = openstack.get_configured_provider()
            self.assertEqual(config, result)

    def test_get_configured_provider_cloud(self):
        config = {
            "region_name": "westeros",
            "cloud": "foo",
        }
        with patch.dict(
            openstack.__opts__,
            {"providers": {"my-openstack-cloud": {"openstack": config}}},
        ):
            result = openstack.get_configured_provider()
            self.assertEqual(config, result)

    def test_get_dependencies(self):
        HAS_SHADE = (True, "Please install newer version of shade: >= 1.19.0")
        with patch("salt.cloud.clouds.openstack.HAS_SHADE", HAS_SHADE):
            result = openstack.get_dependencies()
            self.assertEqual(result, True)

    def test_get_dependencies_no_shade(self):
        HAS_SHADE = (False, "Install pypi module shade >= 1.19.0")
        with patch("salt.cloud.clouds.openstack.HAS_SHADE", HAS_SHADE):
            result = openstack.get_dependencies()
            self.assertEqual(result, False)

    def test_list_nodes_full_image_str(self):
        node_image = "node image"
        conn = MockConn(node_image)
        with patch("salt.cloud.clouds.openstack._get_ips", return_value=[]):
            ret = openstack.list_nodes_full(conn=conn)
            self.assertEqual(ret[conn.node.name]["image"], node_image)

    @pytest.mark.slow_test(seconds=1)  # Test takes >0.1 and <=1 seconds
    def test_list_nodes_full_image_obj(self):
        conn = MockConn(MockImage())
        with patch("salt.cloud.clouds.openstack._get_ips", return_value=[]):
            ret = openstack.list_nodes_full(conn=conn)
            self.assertEqual(ret[conn.node.name]["image"], MockImage.name)

    def test_show_instance(self):
        conn = MockConn(MockImage())
        with patch("salt.cloud.clouds.openstack._get_ips", return_value=[]):
            ret = openstack.show_instance(conn.node.name, conn=conn, call="action")
            self.assertEqual(ret["image"], MockImage.name)