# -*- 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/>.

"""
This test suite check /project endpoint
"""

import uuid
import os
import asyncio
import aiohttp
import pytest
import zipfile
import json


from unittest.mock import patch, MagicMock
from tests.utils import asyncio_patch

from gns3server.handlers.api.controller.project_handler import ProjectHandler
from gns3server.controller import Controller


@pytest.fixture
def project(http_controller, controller):
    u = str(uuid.uuid4())
    query = {"name": "test", "project_id": u}
    response = http_controller.post("/projects", query)
    return controller.get_project(u)


def test_create_project_with_path(http_controller, tmpdir):
    response = http_controller.post("/projects", {"name": "test", "path": str(tmpdir), "project_id": "00010203-0405-0607-0809-0a0b0c0d0e0f"})
    assert response.status == 201
    assert response.json["name"] == "test"
    assert response.json["project_id"] == "00010203-0405-0607-0809-0a0b0c0d0e0f"
    assert response.json["status"] == "opened"


def test_create_project_without_dir(http_controller):
    query = {"name": "test", "project_id": "10010203-0405-0607-0809-0a0b0c0d0e0f"}
    response = http_controller.post("/projects", query, example=True)
    assert response.status == 201
    assert response.json["project_id"] == "10010203-0405-0607-0809-0a0b0c0d0e0f"
    assert response.json["name"] == "test"


def test_create_project_with_uuid(http_controller):
    query = {"name": "test", "project_id": "30010203-0405-0607-0809-0a0b0c0d0e0f"}
    response = http_controller.post("/projects", query)
    assert response.status == 201
    assert response.json["project_id"] == "30010203-0405-0607-0809-0a0b0c0d0e0f"
    assert response.json["name"] == "test"


def test_update_project(http_controller):
    query = {"name": "test", "project_id": "10010203-0405-0607-0809-0a0b0c0d0e0f"}
    response = http_controller.post("/projects", query)
    assert response.status == 201
    assert response.json["project_id"] == "10010203-0405-0607-0809-0a0b0c0d0e0f"
    assert response.json["name"] == "test"
    query = {"name": "test2"}
    response = http_controller.put("/projects/10010203-0405-0607-0809-0a0b0c0d0e0f", query, example=True)
    assert response.status == 200
    assert response.json["name"] == "test2"


def test_list_projects(http_controller, tmpdir):
    http_controller.post("/projects", {"name": "test", "path": str(tmpdir), "project_id": "00010203-0405-0607-0809-0a0b0c0d0e0f"})
    response = http_controller.get("/projects", example=True)
    assert response.status == 200
    projects = response.json
    assert projects[0]["name"] == "test"


def test_get_project(http_controller, project):
    response = http_controller.get("/projects/{project_id}".format(project_id=project.id), example=True)
    assert response.status == 200
    assert response.json["name"] == "test"


def test_delete_project(http_controller, project):
    with asyncio_patch("gns3server.controller.project.Project.delete", return_value=True) as mock:
        response = http_controller.delete("/projects/{project_id}".format(project_id=project.id), example=True)
        assert response.status == 204
        assert mock.called
        assert project not in Controller.instance().projects


def test_delete_project_invalid_uuid(http_controller):
    response = http_controller.delete("/projects/{project_id}".format(project_id=uuid.uuid4()))
    assert response.status == 404


def test_close_project(http_controller, project):
    with asyncio_patch("gns3server.controller.project.Project.close", return_value=True) as mock:
        response = http_controller.post("/projects/{project_id}/close".format(project_id=project.id), example=True)
        assert response.status == 201
        assert mock.called


def test_open_project(http_controller, project):
    with asyncio_patch("gns3server.controller.project.Project.open", return_value=True) as mock:
        response = http_controller.post("/projects/{project_id}/open".format(project_id=project.id), example=True)
        assert response.status == 201
        assert mock.called


def test_load_project(http_controller, project, config):
    config.set("Server", "local", "true")
    with asyncio_patch("gns3server.controller.Controller.load_project", return_value=project) as mock:
        response = http_controller.post("/projects/load".format(project_id=project.id), {"path": "/tmp/test.gns3"}, example=True)
        assert response.status == 201
        mock.assert_called_with("/tmp/test.gns3")
        assert response.json["project_id"] == project.id


def test_notification(http_controller, project, controller, loop, async_run):
    @asyncio.coroutine
    def go():
        connector = aiohttp.TCPConnector()
        response = yield from aiohttp.request("GET", http_controller.get_url("/projects/{project_id}/notifications".format(project_id=project.id)), connector=connector)
        response.body = yield from response.content.read(200)
        controller.notification.emit("node.created", {"a": "b"})
        response.body += yield from response.content.readany()
        response.close()
        return response

    response = async_run(asyncio.ensure_future(go()))
    assert response.status == 200
    assert b'"action": "ping"' in response.body
    assert b'"cpu_usage_percent"' in response.body
    assert b'{"action": "node.created", "event": {"a": "b"}}\n' in response.body
    assert project.status == "opened"


def test_notification_invalid_id(http_controller):
    response = http_controller.get("/projects/{project_id}/notifications".format(project_id=uuid.uuid4()))
    assert response.status == 404


def test_notification_ws(http_controller, controller, project, async_run):
    ws = http_controller.websocket("/projects/{project_id}/notifications/ws".format(project_id=project.id))
    answer = async_run(ws.receive())
    answer = json.loads(answer.data)
    assert answer["action"] == "ping"

    controller.notification.emit("test", {})

    answer = async_run(ws.receive())
    answer = json.loads(answer.data)
    assert answer["action"] == "test"

    async_run(http_controller.close())
    ws.close()
    assert project.status == "opened"


def test_export_with_images(http_controller, tmpdir, loop, project):
    project.dump = MagicMock()

    os.makedirs(project.path, exist_ok=True)
    with open(os.path.join(project.path, 'a'), 'w+') as f:
        f.write('hello')

    os.makedirs(str(tmpdir / "IOS"))
    with open(str(tmpdir / "IOS" / "test.image"), "w+") as f:
        f.write("AAA")

    topology = {
        "topology": {
            "nodes": [
                {
                    "properties": {
                        "image": "test.image"
                    },
                    "node_type": "dynamips"
                }
            ]
        }
    }
    with open(os.path.join(project.path, "test.gns3"), 'w+') as f:
        json.dump(topology, f)

    with patch("gns3server.compute.Dynamips.get_images_directory", return_value=str(tmpdir / "IOS"),):
        response = http_controller.get("/projects/{project_id}/export?include_images=1".format(project_id=project.id), raw=True)
    assert response.status == 200
    assert response.headers['CONTENT-TYPE'] == 'application/gns3project'
    assert response.headers['CONTENT-DISPOSITION'] == 'attachment; filename="{}.gns3project"'.format(project.name)

    with open(str(tmpdir / 'project.zip'), 'wb+') as f:
        f.write(response.body)

    with zipfile.ZipFile(str(tmpdir / 'project.zip')) as myzip:
        with myzip.open("a") as myfile:
            content = myfile.read()
            assert content == b"hello"
        myzip.getinfo("images/IOS/test.image")


def test_export_without_images(http_controller, tmpdir, loop, project):
    project.dump = MagicMock()

    os.makedirs(project.path, exist_ok=True)
    with open(os.path.join(project.path, 'a'), 'w+') as f:
        f.write('hello')

    os.makedirs(str(tmpdir / "IOS"))
    with open(str(tmpdir / "IOS" / "test.image"), "w+") as f:
        f.write("AAA")

    topology = {
        "topology": {
            "nodes": [
                {
                    "properties": {
                        "image": "test.image"
                    },
                    "node_type": "dynamips"
                }
            ]
        }
    }
    with open(os.path.join(project.path, "test.gns3"), 'w+') as f:
        json.dump(topology, f)

    with patch("gns3server.compute.Dynamips.get_images_directory", return_value=str(tmpdir / "IOS"),):
        response = http_controller.get("/projects/{project_id}/export?include_images=0".format(project_id=project.id), raw=True)
    assert response.status == 200
    assert response.headers['CONTENT-TYPE'] == 'application/gns3project'
    assert response.headers['CONTENT-DISPOSITION'] == 'attachment; filename="{}.gns3project"'.format(project.name)

    with open(str(tmpdir / 'project.zip'), 'wb+') as f:
        f.write(response.body)

    with zipfile.ZipFile(str(tmpdir / 'project.zip')) as myzip:
        with myzip.open("a") as myfile:
            content = myfile.read()
            assert content == b"hello"
        # Image should not exported
        with pytest.raises(KeyError):
            myzip.getinfo("images/IOS/test.image")


def test_get_file(http_controller, tmpdir, loop, project):
    os.makedirs(project.path, exist_ok=True)
    with open(os.path.join(project.path, 'hello'), 'w+') as f:
        f.write('world')

    response = http_controller.get("/projects/{project_id}/files/hello".format(project_id=project.id), raw=True)
    assert response.status == 200
    assert response.body == b"world"

    response = http_controller.get("/projects/{project_id}/files/false".format(project_id=project.id), raw=True)
    assert response.status == 404

    response = http_controller.get("/projects/{project_id}/files/../hello".format(project_id=project.id), raw=True)
    assert response.status == 404


def test_write_file(http_controller, tmpdir, project):
    response = http_controller.post("/projects/{project_id}/files/hello".format(project_id=project.id), body="world", raw=True)
    assert response.status == 200

    with open(os.path.join(project.path, "hello")) as f:
        assert f.read() == "world"

    response = http_controller.post("/projects/{project_id}/files/../hello".format(project_id=project.id), raw=True)
    assert response.status == 404


def test_write_and_get_file_with_leading_slashes_in_filename(http_controller, tmpdir, loop, project):
    response = http_controller.post("/projects/{project_id}/files//hello".format(project_id=project.id), body="world", raw=True)
    assert response.status == 200

    response = http_controller.get("/projects/{project_id}/files//hello".format(project_id=project.id), raw=True)
    assert response.status == 200
    assert response.body == b"world"


def test_import(http_controller, tmpdir, controller):

    with zipfile.ZipFile(str(tmpdir / "test.zip"), 'w') as myzip:
        myzip.writestr("project.gns3", b'{"project_id": "c6992992-ac72-47dc-833b-54aa334bcd05", "version": "2.0.0", "name": "test"}')
        myzip.writestr("demo", b"hello")

    project_id = str(uuid.uuid4())

    with open(str(tmpdir / "test.zip"), "rb") as f:
        response = http_controller.post("/projects/{project_id}/import".format(project_id=project_id), body=f.read(), raw=True)
    assert response.status == 201

    project = controller.get_project(project_id)
    with open(os.path.join(project.path, "demo")) as f:
        content = f.read()
    assert content == "hello"


def test_duplicate(http_controller, tmpdir, loop, project):

    response = http_controller.post("/projects/{project_id}/duplicate".format(project_id=project.id), {"name": "hello"}, example=True)
    assert response.status == 201
    assert response.json["name"] == "hello"