# Copyright 2012 OpenStack Foundation
# All Rights Reserved.
#
#    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 webob

from nova.compute import api as compute_api
from nova import exception
from nova.openstack.common import jsonutils
from nova import test
from nova.tests.api.openstack import fakes


def fake_get_vnc_console(self, _context, _instance, _console_type):
    return {'url': 'http://fake'}


def fake_get_spice_console(self, _context, _instance, _console_type):
    return {'url': 'http://fake'}


def fake_get_vnc_console_invalid_type(self, _context,
                                      _instance, _console_type):
    raise exception.ConsoleTypeInvalid(console_type=_console_type)


def fake_get_spice_console_invalid_type(self, _context,
                                      _instance, _console_type):
    raise exception.ConsoleTypeInvalid(console_type=_console_type)


def fake_get_vnc_console_not_ready(self, _context, instance, _console_type):
    raise exception.InstanceNotReady(instance_id=instance["uuid"])


def fake_get_spice_console_not_ready(self, _context, instance, _console_type):
    raise exception.InstanceNotReady(instance_id=instance["uuid"])


def fake_get_vnc_console_not_found(self, _context, instance, _console_type):
    raise exception.InstanceNotFound(instance_id=instance["uuid"])


def fake_get_spice_console_not_found(self, _context, instance, _console_type):
    raise exception.InstanceNotFound(instance_id=instance["uuid"])


def fake_get(self, context, instance_uuid):
    return {'uuid': instance_uuid}


def fake_get_not_found(self, context, instance_uuid):
    raise exception.InstanceNotFound(instance_id=instance_uuid)


class ConsolesExtensionTest(test.TestCase):

    def setUp(self):
        super(ConsolesExtensionTest, self).setUp()
        self.stubs.Set(compute_api.API, 'get_vnc_console',
                       fake_get_vnc_console)
        self.stubs.Set(compute_api.API, 'get_spice_console',
                       fake_get_spice_console)
        self.stubs.Set(compute_api.API, 'get', fake_get)
        self.flags(
            osapi_compute_extension=[
                'nova.api.openstack.compute.contrib.select_extensions'],
            osapi_compute_ext_list=['Consoles'])
        self.app = fakes.wsgi_app(init_only=('servers',))

    def test_get_vnc_console(self):
        body = {'os-getVNCConsole': {'type': 'novnc'}}
        req = webob.Request.blank('/v2/fake/servers/1/action')
        req.method = "POST"
        req.body = jsonutils.dumps(body)
        req.headers["content-type"] = "application/json"

        res = req.get_response(self.app)
        output = jsonutils.loads(res.body)
        self.assertEqual(res.status_int, 200)
        self.assertEqual(output,
            {u'console': {u'url': u'http://fake', u'type': u'novnc'}})

    def test_get_vnc_console_not_ready(self):
        self.stubs.Set(compute_api.API, 'get_vnc_console',
                       fake_get_vnc_console_not_ready)
        body = {'os-getVNCConsole': {'type': 'novnc'}}
        req = webob.Request.blank('/v2/fake/servers/1/action')
        req.method = "POST"
        req.body = jsonutils.dumps(body)
        req.headers["content-type"] = "application/json"

        res = req.get_response(self.app)
        output = jsonutils.loads(res.body)
        self.assertEqual(res.status_int, 409)

    def test_get_vnc_console_no_type(self):
        self.stubs.Set(compute_api.API, 'get_vnc_console',
                       fake_get_vnc_console_invalid_type)
        body = {'os-getVNCConsole': {}}
        req = webob.Request.blank('/v2/fake/servers/1/action')
        req.method = "POST"
        req.body = jsonutils.dumps(body)
        req.headers["content-type"] = "application/json"

        res = req.get_response(self.app)
        self.assertEqual(res.status_int, 400)

    def test_get_vnc_console_no_instance(self):
        self.stubs.Set(compute_api.API, 'get', fake_get_not_found)
        body = {'os-getVNCConsole': {'type': 'novnc'}}
        req = webob.Request.blank('/v2/fake/servers/1/action')
        req.method = "POST"
        req.body = jsonutils.dumps(body)
        req.headers["content-type"] = "application/json"

        res = req.get_response(self.app)
        self.assertEqual(res.status_int, 404)

    def test_get_vnc_console_no_instance_on_console_get(self):
        self.stubs.Set(compute_api.API, 'get_vnc_console',
                       fake_get_vnc_console_not_found)
        body = {'os-getVNCConsole': {'type': 'novnc'}}
        req = webob.Request.blank('/v2/fake/servers/1/action')
        req.method = "POST"
        req.body = jsonutils.dumps(body)
        req.headers["content-type"] = "application/json"

        res = req.get_response(self.app)
        self.assertEqual(res.status_int, 404)

    def test_get_vnc_console_invalid_type(self):
        body = {'os-getVNCConsole': {'type': 'invalid'}}
        self.stubs.Set(compute_api.API, 'get_vnc_console',
                       fake_get_vnc_console_invalid_type)
        req = webob.Request.blank('/v2/fake/servers/1/action')
        req.method = "POST"
        req.body = jsonutils.dumps(body)
        req.headers["content-type"] = "application/json"

        res = req.get_response(self.app)
        self.assertEqual(res.status_int, 400)

    def test_get_spice_console(self):
        body = {'os-getSPICEConsole': {'type': 'spice-html5'}}
        req = webob.Request.blank('/v2/fake/servers/1/action')
        req.method = "POST"
        req.body = jsonutils.dumps(body)
        req.headers["content-type"] = "application/json"

        res = req.get_response(self.app)
        output = jsonutils.loads(res.body)
        self.assertEqual(res.status_int, 200)
        self.assertEqual(output,
            {u'console': {u'url': u'http://fake', u'type': u'spice-html5'}})

    def test_get_spice_console_not_ready(self):
        self.stubs.Set(compute_api.API, 'get_spice_console',
                       fake_get_spice_console_not_ready)
        body = {'os-getSPICEConsole': {'type': 'spice-html5'}}
        req = webob.Request.blank('/v2/fake/servers/1/action')
        req.method = "POST"
        req.body = jsonutils.dumps(body)
        req.headers["content-type"] = "application/json"

        res = req.get_response(self.app)
        output = jsonutils.loads(res.body)
        self.assertEqual(res.status_int, 409)

    def test_get_spice_console_no_type(self):
        self.stubs.Set(compute_api.API, 'get_spice_console',
                       fake_get_spice_console_invalid_type)
        body = {'os-getSPICEConsole': {}}
        req = webob.Request.blank('/v2/fake/servers/1/action')
        req.method = "POST"
        req.body = jsonutils.dumps(body)
        req.headers["content-type"] = "application/json"

        res = req.get_response(self.app)
        self.assertEqual(res.status_int, 400)

    def test_get_spice_console_no_instance(self):
        self.stubs.Set(compute_api.API, 'get', fake_get_not_found)
        body = {'os-getSPICEConsole': {'type': 'spice-html5'}}
        req = webob.Request.blank('/v2/fake/servers/1/action')
        req.method = "POST"
        req.body = jsonutils.dumps(body)
        req.headers["content-type"] = "application/json"

        res = req.get_response(self.app)
        self.assertEqual(res.status_int, 404)

    def test_get_spice_console_no_instance_on_console_get(self):
        self.stubs.Set(compute_api.API, 'get_spice_console',
                       fake_get_spice_console_not_found)
        body = {'os-getSPICEConsole': {'type': 'spice-html5'}}
        req = webob.Request.blank('/v2/fake/servers/1/action')
        req.method = "POST"
        req.body = jsonutils.dumps(body)
        req.headers["content-type"] = "application/json"

        res = req.get_response(self.app)
        self.assertEqual(res.status_int, 404)

    def test_get_spice_console_invalid_type(self):
        body = {'os-getSPICEConsole': {'type': 'invalid'}}
        self.stubs.Set(compute_api.API, 'get_spice_console',
                       fake_get_spice_console_invalid_type)
        req = webob.Request.blank('/v2/fake/servers/1/action')
        req.method = "POST"
        req.body = jsonutils.dumps(body)
        req.headers["content-type"] = "application/json"

        res = req.get_response(self.app)
        self.assertEqual(res.status_int, 400)