# -*- coding: utf-8 -*-
#
# Copyright (C) 2015 GNS3 Technologies Inc.
#
# This program 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.
#
# This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.

import pytest
from tests.utils import asyncio_patch
from unittest.mock import patch


@pytest.yield_fixture(scope="function")
def vm(http_compute, project, monkeypatch):

    vboxmanage_path = "/fake/VboxManage"

    with asyncio_patch("gns3server.compute.virtualbox.virtualbox_vm.VirtualBoxVM.create", return_value=True) as mock:
        response = http_compute.post("/projects/{project_id}/virtualbox/nodes".format(
            project_id=project.id), {"name": "VMTEST",
                                     "vmname": "VMTEST",
                                     "linked_clone": False})
    assert mock.called
    assert response.status == 201

    with patch("gns3server.compute.virtualbox.VirtualBox.find_vboxmanage", return_value=vboxmanage_path):
        yield response.json


def test_vbox_create(http_compute, project):

    with asyncio_patch("gns3server.compute.virtualbox.virtualbox_vm.VirtualBoxVM.create", return_value=True):
        response = http_compute.post("/projects/{project_id}/virtualbox/nodes".format(project_id=project.id), {"name": "VM1",
                                                                                                               "vmname": "VM1",
                                                                                                               "linked_clone": False},
                                     example=True)
        assert response.status == 201
        assert response.json["name"] == "VM1"
        assert response.json["project_id"] == project.id


def test_vbox_get(http_compute, project, vm):
    response = http_compute.get("/projects/{project_id}/virtualbox/nodes/{node_id}".format(project_id=vm["project_id"], node_id=vm["node_id"]), example=True)
    assert response.status == 200
    assert response.route == "/projects/{project_id}/virtualbox/nodes/{node_id}"
    assert response.json["name"] == "VMTEST"
    assert response.json["project_id"] == project.id


def test_vbox_start(http_compute, vm):
    with asyncio_patch("gns3server.compute.virtualbox.virtualbox_vm.VirtualBoxVM.check_hw_virtualization", return_value=True) as mock:
        with asyncio_patch("gns3server.compute.virtualbox.virtualbox_vm.VirtualBoxVM.start", return_value=True) as mock:
            response = http_compute.post("/projects/{project_id}/virtualbox/nodes/{node_id}/start".format(project_id=vm["project_id"], node_id=vm["node_id"]), example=True)
            assert mock.called
            assert response.status == 204


def test_vbox_stop(http_compute, vm):
    with asyncio_patch("gns3server.compute.virtualbox.virtualbox_vm.VirtualBoxVM.stop", return_value=True) as mock:
        response = http_compute.post("/projects/{project_id}/virtualbox/nodes/{node_id}/stop".format(project_id=vm["project_id"], node_id=vm["node_id"]), example=True)
        assert mock.called
        assert response.status == 204


def test_vbox_suspend(http_compute, vm):
    with asyncio_patch("gns3server.compute.virtualbox.virtualbox_vm.VirtualBoxVM.suspend", return_value=True) as mock:
        response = http_compute.post("/projects/{project_id}/virtualbox/nodes/{node_id}/suspend".format(project_id=vm["project_id"], node_id=vm["node_id"]), example=True)
        assert mock.called
        assert response.status == 204


def test_vbox_resume(http_compute, vm):
    with asyncio_patch("gns3server.compute.virtualbox.virtualbox_vm.VirtualBoxVM.resume", return_value=True) as mock:
        response = http_compute.post("/projects/{project_id}/virtualbox/nodes/{node_id}/resume".format(project_id=vm["project_id"], node_id=vm["node_id"]), example=True)
        assert mock.called
        assert response.status == 204


def test_vbox_reload(http_compute, vm):
    with asyncio_patch("gns3server.compute.virtualbox.virtualbox_vm.VirtualBoxVM.reload", return_value=True) as mock:
        response = http_compute.post("/projects/{project_id}/virtualbox/nodes/{node_id}/reload".format(project_id=vm["project_id"], node_id=vm["node_id"]), example=True)
        assert mock.called
        assert response.status == 204


def test_vbox_nio_create_udp(http_compute, vm):

    with asyncio_patch('gns3server.compute.virtualbox.virtualbox_vm.VirtualBoxVM.adapter_add_nio_binding') as mock:
        response = http_compute.post("/projects/{project_id}/virtualbox/nodes/{node_id}/adapters/0/ports/0/nio".format(project_id=vm["project_id"],
                                                                                                                       node_id=vm["node_id"]), {"type": "nio_udp",
                                                                                                                                                "lport": 4242,
                                                                                                                                                "rport": 4343,
                                                                                                                                                "rhost": "127.0.0.1"},
                                     example=True)

        assert mock.called
        args, kwgars = mock.call_args
        assert args[0] == 0

    assert response.status == 201
    assert response.route == r"/projects/{project_id}/virtualbox/nodes/{node_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/nio"
    assert response.json["type"] == "nio_udp"


def test_virtualbox_nio_update_udp(http_compute, vm):

    with asyncio_patch('gns3server.compute.virtualbox.virtualbox_vm.VirtualBoxVM.ethernet_adapters'):
        with asyncio_patch('gns3server.compute.virtualbox.virtualbox_vm.VirtualBoxVM.adapter_remove_nio_binding') as mock:
            response = http_compute.put("/projects/{project_id}/virtualbox/nodes/{node_id}/adapters/0/ports/0/nio".format(
                project_id=vm["project_id"],
                node_id=vm["node_id"]),
                {
                    "type": "nio_udp",
                    "lport": 4242,
                    "rport": 4343,
                    "rhost": "127.0.0.1",
                    "filters": {}},
                example=True)
    assert response.status == 201, response.body.decode()
    assert response.route == r"/projects/{project_id}/virtualbox/nodes/{node_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/nio"
    assert response.json["type"] == "nio_udp"


def test_vbox_delete_nio(http_compute, vm):

    with asyncio_patch('gns3server.compute.virtualbox.virtualbox_vm.VirtualBoxVM.adapter_remove_nio_binding') as mock:
        response = http_compute.delete("/projects/{project_id}/virtualbox/nodes/{node_id}/adapters/0/ports/0/nio".format(project_id=vm["project_id"], node_id=vm["node_id"]), example=True)

        assert mock.called
        args, kwgars = mock.call_args
        assert args[0] == 0

    assert response.status == 204
    assert response.route == r"/projects/{project_id}/virtualbox/nodes/{node_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/nio"


def test_vbox_update(http_compute, vm, free_console_port):
    response = http_compute.put("/projects/{project_id}/virtualbox/nodes/{node_id}".format(project_id=vm["project_id"], node_id=vm["node_id"]), {"name": "test",
                                                                                                                                                 "console": free_console_port},
                                example=True)
    assert response.status == 200
    assert response.json["name"] == "test"
    assert response.json["console"] == free_console_port


def test_virtualbox_start_capture(http_compute, vm):

    with patch("gns3server.compute.virtualbox.virtualbox_vm.VirtualBoxVM.is_running", return_value=True):
        with asyncio_patch("gns3server.compute.virtualbox.virtualbox_vm.VirtualBoxVM.start_capture") as start_capture:
            params = {"capture_file_name": "test.pcap", "data_link_type": "DLT_EN10MB"}
            response = http_compute.post("/projects/{project_id}/virtualbox/nodes/{node_id}/adapters/0/ports/0/start_capture".format(project_id=vm["project_id"], node_id=vm["node_id"]), body=params, example=True)
            assert response.status == 200
            assert start_capture.called
            assert "test.pcap" in response.json["pcap_file_path"]


def test_virtualbox_stop_capture(http_compute, vm):

    with patch("gns3server.compute.virtualbox.virtualbox_vm.VirtualBoxVM.is_running", return_value=True):
        with asyncio_patch("gns3server.compute.virtualbox.virtualbox_vm.VirtualBoxVM.stop_capture") as stop_capture:
            response = http_compute.post("/projects/{project_id}/virtualbox/nodes/{node_id}/adapters/0/ports/0/stop_capture".format(project_id=vm["project_id"], node_id=vm["node_id"]), example=True)
            assert response.status == 204
            assert stop_capture.called


def test_virtualbox_pcap(http_compute, vm, project):

    with asyncio_patch("gns3server.compute.virtualbox.virtualbox_vm.VirtualBoxVM.get_nio"):
        with asyncio_patch("gns3server.compute.virtualbox.VirtualBox.stream_pcap_file"):
            response = http_compute.get("/projects/{project_id}/virtualbox/nodes/{node_id}/adapters/0/ports/0/pcap".format(project_id=project.id, node_id=vm["node_id"]), raw=True)
            assert response.status == 200