# -*- coding: utf-8 -*-
# Copyright (C) 2014-2017 Andrey Antukh <niwi@niwi.nz>
# Copyright (C) 2014-2017 Jesús Espino <jespinog@gmail.com>
# Copyright (C) 2014-2017 David Barragán <bameda@dbarragan.com>
# Copyright (C) 2014-2017 Alejandro Alonso <alejandro.alonso@kaleidos.net>
# Copyright (C) 2014-2017 Anler Hernández <hello@anler.me>
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

from django.core.urlresolvers import reverse

from taiga.base.utils import json

from taiga.projects import choices as project_choices
from taiga.projects.models import Project
from taiga.projects.utils import attach_extra_info as attach_project_extra_info
from taiga.projects.milestones.serializers import MilestoneSerializer
from taiga.projects.milestones.models import Milestone
from taiga.projects.milestones.utils import attach_extra_info as attach_milestone_extra_info
from taiga.projects.notifications.services import add_watcher
from taiga.permissions.choices import MEMBERS_PERMISSIONS, ANON_PERMISSIONS

from tests import factories as f
from tests.utils import helper_test_http_method, disconnect_signals, reconnect_signals

import pytest
pytestmark = pytest.mark.django_db


def setup_module(module):
    disconnect_signals()


def teardown_module(module):
    reconnect_signals()


@pytest.fixture
def data():
    m = type("Models", (object,), {})

    m.registered_user = f.UserFactory.create()
    m.project_member_with_perms = f.UserFactory.create()
    m.project_member_without_perms = f.UserFactory.create()
    m.project_owner = f.UserFactory.create()
    m.other_user = f.UserFactory.create()

    m.public_project = f.ProjectFactory(is_private=False,
                                        anon_permissions=list(map(lambda x: x[0], ANON_PERMISSIONS)),
                                        public_permissions=list(map(lambda x: x[0], ANON_PERMISSIONS)),
                                        owner=m.project_owner)
    m.public_project = attach_project_extra_info(Project.objects.all()).get(id=m.public_project.id)

    m.private_project1 = f.ProjectFactory(is_private=True,
                                          anon_permissions=list(map(lambda x: x[0], ANON_PERMISSIONS)),
                                          public_permissions=list(map(lambda x: x[0], ANON_PERMISSIONS)),
                                          owner=m.project_owner)
    m.private_project1 = attach_project_extra_info(Project.objects.all()).get(id=m.private_project1.id)

    m.private_project2 = f.ProjectFactory(is_private=True,
                                          anon_permissions=[],
                                          public_permissions=[],
                                          owner=m.project_owner)
    m.private_project2 = attach_project_extra_info(Project.objects.all()).get(id=m.private_project2.id)

    m.blocked_project = f.ProjectFactory(is_private=True,
                                         anon_permissions=[],
                                         public_permissions=[],
                                         owner=m.project_owner,
                                         blocked_code=project_choices.BLOCKED_BY_STAFF)
    m.blocked_project = attach_project_extra_info(Project.objects.all()).get(id=m.blocked_project.id)

    m.public_membership = f.MembershipFactory(
        project=m.public_project,
        user=m.project_member_with_perms,
        role__project=m.public_project,
        role__permissions=list(map(lambda x: x[0], MEMBERS_PERMISSIONS)))
    m.private_membership1 = f.MembershipFactory(
        project=m.private_project1,
        user=m.project_member_with_perms,
        role__project=m.private_project1,
        role__permissions=list(map(lambda x: x[0], MEMBERS_PERMISSIONS)))
    f.MembershipFactory(project=m.private_project1,
                        user=m.project_member_without_perms,
                        role__project=m.private_project1,
                        role__permissions=[])
    m.private_membership2 = f.MembershipFactory(
        project=m.private_project2,
        user=m.project_member_with_perms,
        role__project=m.private_project2,
        role__permissions=list(map(lambda x: x[0], MEMBERS_PERMISSIONS)))
    f.MembershipFactory(project=m.private_project2,
                        user=m.project_member_without_perms,
                        role__project=m.private_project2,
                        role__permissions=[])
    m.blocked_membership = f.MembershipFactory(
        project=m.blocked_project,
        user=m.project_member_with_perms,
        role__project=m.blocked_project,
        role__permissions=list(map(lambda x: x[0], MEMBERS_PERMISSIONS)))
    f.MembershipFactory(project=m.blocked_project,
                        user=m.project_member_without_perms,
                        role__project=m.blocked_project,
                        role__permissions=[])

    f.MembershipFactory(project=m.public_project,
                        user=m.project_owner,
                        is_admin=True)

    f.MembershipFactory(project=m.private_project1,
                        user=m.project_owner,
                        is_admin=True)

    f.MembershipFactory(project=m.private_project2,
                        user=m.project_owner,
                        is_admin=True)

    f.MembershipFactory(project=m.blocked_project,
                        user=m.project_owner,
                        is_admin=True)

    m.public_milestone = f.MilestoneFactory(project=m.public_project)
    m.public_milestone = attach_milestone_extra_info(Milestone.objects.all()).get(id=m.public_milestone.id)
    m.private_milestone1 = f.MilestoneFactory(project=m.private_project1)
    m.private_milestone1 = attach_milestone_extra_info(Milestone.objects.all()).get(id=m.private_milestone1.id)
    m.private_milestone2 = f.MilestoneFactory(project=m.private_project2)
    m.private_milestone2 = attach_milestone_extra_info(Milestone.objects.all()).get(id=m.private_milestone2.id)
    m.blocked_milestone = f.MilestoneFactory(project=m.blocked_project)
    m.blocked_milestone = attach_milestone_extra_info(Milestone.objects.all()).get(id=m.blocked_milestone.id)

    return m


def test_milestone_retrieve(client, data):
    public_url = reverse('milestones-detail', kwargs={"pk": data.public_milestone.pk})
    private_url1 = reverse('milestones-detail', kwargs={"pk": data.private_milestone1.pk})
    private_url2 = reverse('milestones-detail', kwargs={"pk": data.private_milestone2.pk})
    blocked_url = reverse('milestones-detail', kwargs={"pk": data.blocked_milestone.pk})

    users = [
        None,
        data.registered_user,
        data.project_member_without_perms,
        data.project_member_with_perms,
        data.project_owner
    ]

    results = helper_test_http_method(client, 'get', public_url, None, users)
    assert results == [200, 200, 200, 200, 200]
    results = helper_test_http_method(client, 'get', private_url1, None, users)
    assert results == [200, 200, 200, 200, 200]
    results = helper_test_http_method(client, 'get', private_url2, None, users)
    assert results == [401, 403, 403, 200, 200]
    results = helper_test_http_method(client, 'get', blocked_url, None, users)
    assert results == [401, 403, 403, 200, 200]


def test_milestone_update(client, data):
    public_url = reverse('milestones-detail', kwargs={"pk": data.public_milestone.pk})
    private_url1 = reverse('milestones-detail', kwargs={"pk": data.private_milestone1.pk})
    private_url2 = reverse('milestones-detail', kwargs={"pk": data.private_milestone2.pk})
    blocked_url = reverse('milestones-detail', kwargs={"pk": data.blocked_milestone.pk})

    users = [
        None,
        data.registered_user,
        data.project_member_without_perms,
        data.project_member_with_perms,
        data.project_owner
    ]

    milestone_data = MilestoneSerializer(data.public_milestone).data
    milestone_data["name"] = "test"
    milestone_data = json.dumps(milestone_data)
    results = helper_test_http_method(client, 'put', public_url, milestone_data, users)
    assert results == [401, 403, 403, 200, 200]

    milestone_data = MilestoneSerializer(data.private_milestone1).data
    milestone_data["name"] = "test"
    milestone_data = json.dumps(milestone_data)
    results = helper_test_http_method(client, 'put', private_url1, milestone_data, users)
    assert results == [401, 403, 403, 200, 200]

    milestone_data = MilestoneSerializer(data.private_milestone2).data
    milestone_data["name"] = "test"
    milestone_data = json.dumps(milestone_data)
    results = helper_test_http_method(client, 'put', private_url2, milestone_data, users)
    assert results == [401, 403, 403, 200, 200]

    milestone_data = MilestoneSerializer(data.blocked_milestone).data
    milestone_data["name"] = "test"
    milestone_data = json.dumps(milestone_data)
    results = helper_test_http_method(client, 'put', blocked_url, milestone_data, users)
    assert results == [401, 403, 403, 451, 451]


def test_milestone_delete(client, data):
    public_url = reverse('milestones-detail', kwargs={"pk": data.public_milestone.pk})
    private_url1 = reverse('milestones-detail', kwargs={"pk": data.private_milestone1.pk})
    private_url2 = reverse('milestones-detail', kwargs={"pk": data.private_milestone2.pk})
    blocked_url = reverse('milestones-detail', kwargs={"pk": data.blocked_milestone.pk})

    users = [
        None,
        data.registered_user,
        data.project_member_without_perms,
        data.project_member_with_perms,
    ]
    results = helper_test_http_method(client, 'delete', public_url, None, users)
    assert results == [401, 403, 403, 204]
    results = helper_test_http_method(client, 'delete', private_url1, None, users)
    assert results == [401, 403, 403, 204]
    results = helper_test_http_method(client, 'delete', private_url2, None, users)
    assert results == [401, 403, 403, 204]
    results = helper_test_http_method(client, 'delete', blocked_url, None, users)
    assert results == [401, 403, 403, 451]


def test_milestone_list(client, data):
    url = reverse('milestones-list')

    response = client.get(url)
    milestones_data = json.loads(response.content.decode('utf-8'))
    assert len(milestones_data) == 2
    assert response.status_code == 200

    client.login(data.registered_user)

    response = client.get(url)
    milestones_data = json.loads(response.content.decode('utf-8'))
    assert len(milestones_data) == 2
    assert response.status_code == 200

    client.login(data.project_member_with_perms)

    response = client.get(url)
    milestones_data = json.loads(response.content.decode('utf-8'))
    assert len(milestones_data) == 4
    assert response.status_code == 200

    client.login(data.project_owner)

    response = client.get(url)
    milestones_data = json.loads(response.content.decode('utf-8'))
    assert len(milestones_data) == 4
    assert response.status_code == 200


def test_milestone_create(client, data):
    url = reverse('milestones-list')

    users = [
        None,
        data.registered_user,
        data.project_member_without_perms,
        data.project_member_with_perms,
        data.project_owner
    ]

    create_data = json.dumps({
        "name": "test",
        "estimated_start": "2014-12-10",
        "estimated_finish": "2014-12-24",
        "project": data.public_project.pk,
    })
    results = helper_test_http_method(client, 'post', url, create_data, users,
                                      lambda: Milestone.objects.all().delete())
    assert results == [401, 403, 403, 201, 201]

    create_data = json.dumps({
        "name": "test",
        "estimated_start": "2014-12-10",
        "estimated_finish": "2014-12-24",
        "project": data.private_project1.pk,
    })

    results = helper_test_http_method(client, 'post', url, create_data, users,
                                      lambda: Milestone.objects.all().delete())
    assert results == [401, 403, 403, 201, 201]

    create_data = json.dumps({
        "name": "test",
        "estimated_start": "2014-12-10",
        "estimated_finish": "2014-12-24",
        "project": data.private_project2.pk,
    })
    results = helper_test_http_method(client, 'post', url, create_data, users, lambda: Milestone.objects.all().delete())
    assert results == [401, 403, 403, 201, 201]

    create_data = json.dumps({
        "name": "test",
        "estimated_start": "2014-12-10",
        "estimated_finish": "2014-12-24",
        "project": data.blocked_project.pk,
    })
    results = helper_test_http_method(client, 'post', url, create_data, users, lambda: Milestone.objects.all().delete())
    assert results == [401, 403, 403, 451, 451]


def test_milestone_patch(client, data):
    public_url = reverse('milestones-detail', kwargs={"pk": data.public_milestone.pk})
    private_url1 = reverse('milestones-detail', kwargs={"pk": data.private_milestone1.pk})
    private_url2 = reverse('milestones-detail', kwargs={"pk": data.private_milestone2.pk})
    blocked_url = reverse('milestones-detail', kwargs={"pk": data.blocked_milestone.pk})

    users = [
        None,
        data.registered_user,
        data.project_member_without_perms,
        data.project_member_with_perms,
        data.project_owner
    ]

    patch_data = json.dumps({"name": "test"})
    results = helper_test_http_method(client, 'patch', public_url, patch_data, users)
    assert results == [401, 403, 403, 200, 200]

    patch_data = json.dumps({"name": "test"})
    results = helper_test_http_method(client, 'patch', private_url1, patch_data, users)
    assert results == [401, 403, 403, 200, 200]

    patch_data = json.dumps({"name": "test"})
    results = helper_test_http_method(client, 'patch', private_url2, patch_data, users)
    assert results == [401, 403, 403, 200, 200]

    patch_data = json.dumps({"name": "test"})
    results = helper_test_http_method(client, 'patch', blocked_url, patch_data, users)
    assert results == [401, 403, 403, 451, 451]


def test_milestone_action_stats(client, data):
    public_url = reverse('milestones-stats', kwargs={"pk": data.public_milestone.pk})
    private_url1 = reverse('milestones-stats', kwargs={"pk": data.private_milestone1.pk})
    private_url2 = reverse('milestones-stats', kwargs={"pk": data.private_milestone2.pk})
    blocked_url = reverse('milestones-stats', kwargs={"pk": data.blocked_milestone.pk})

    users = [
        None,
        data.registered_user,
        data.project_member_without_perms,
        data.project_member_with_perms,
        data.project_owner
    ]

    results = helper_test_http_method(client, 'get', public_url, None, users)
    assert results == [200, 200, 200, 200, 200]

    results = helper_test_http_method(client, 'get', private_url1, None, users)
    assert results == [200, 200, 200, 200, 200]

    results = helper_test_http_method(client, 'get', private_url2, None, users)
    assert results == [401, 403, 403, 200, 200]

    results = helper_test_http_method(client, 'get', blocked_url, None, users)
    assert results == [401, 403, 403, 200, 200]


def test_milestone_action_watch(client, data):
    public_url = reverse('milestones-watch', kwargs={"pk": data.public_milestone.pk})
    private_url1 = reverse('milestones-watch', kwargs={"pk": data.private_milestone1.pk})
    private_url2 = reverse('milestones-watch', kwargs={"pk": data.private_milestone2.pk})
    blocked_url = reverse('milestones-watch', kwargs={"pk": data.blocked_milestone.pk})

    users = [
        None,
        data.registered_user,
        data.project_member_without_perms,
        data.project_member_with_perms,
        data.project_owner
    ]

    results = helper_test_http_method(client, 'post', public_url, "", users)
    assert results == [401, 200, 200, 200, 200]
    results = helper_test_http_method(client, 'post', private_url1, "", users)
    assert results == [401, 200, 200, 200, 200]
    results = helper_test_http_method(client, 'post', private_url2, "", users)
    assert results == [404, 404, 404, 200, 200]
    results = helper_test_http_method(client, 'post', blocked_url, "", users)
    assert results == [404, 404, 404, 451, 451]


def test_milestone_action_unwatch(client, data):
    public_url = reverse('milestones-unwatch', kwargs={"pk": data.public_milestone.pk})
    private_url1 = reverse('milestones-unwatch', kwargs={"pk": data.private_milestone1.pk})
    private_url2 = reverse('milestones-unwatch', kwargs={"pk": data.private_milestone2.pk})
    blocked_url = reverse('milestones-unwatch', kwargs={"pk": data.blocked_milestone.pk})

    users = [
        None,
        data.registered_user,
        data.project_member_without_perms,
        data.project_member_with_perms,
        data.project_owner
    ]

    results = helper_test_http_method(client, 'post', public_url, "", users)
    assert results == [401, 200, 200, 200, 200]
    results = helper_test_http_method(client, 'post', private_url1, "", users)
    assert results == [401, 200, 200, 200, 200]
    results = helper_test_http_method(client, 'post', private_url2, "", users)
    assert results == [404, 404, 404, 200, 200]
    results = helper_test_http_method(client, 'post', blocked_url, "", users)
    assert results == [404, 404, 404, 451, 451]


def test_milestone_watchers_list(client, data):
    public_url = reverse('milestone-watchers-list', kwargs={"resource_id": data.public_milestone.pk})
    private_url1 = reverse('milestone-watchers-list', kwargs={"resource_id": data.private_milestone1.pk})
    private_url2 = reverse('milestone-watchers-list', kwargs={"resource_id": data.private_milestone2.pk})
    blocked_url = reverse('milestone-watchers-list', kwargs={"resource_id": data.blocked_milestone.pk})

    users = [
        None,
        data.registered_user,
        data.project_member_without_perms,
        data.project_member_with_perms,
        data.project_owner
    ]

    results = helper_test_http_method(client, 'get', public_url, None, users)
    assert results == [200, 200, 200, 200, 200]
    results = helper_test_http_method(client, 'get', private_url1, None, users)
    assert results == [200, 200, 200, 200, 200]
    results = helper_test_http_method(client, 'get', private_url2, None, users)
    assert results == [401, 403, 403, 200, 200]
    results = helper_test_http_method(client, 'get', blocked_url, None, users)
    assert results == [401, 403, 403, 200, 200]


def test_milestone_watchers_retrieve(client, data):
    add_watcher(data.public_milestone, data.project_owner)
    public_url = reverse('milestone-watchers-detail', kwargs={"resource_id": data.public_milestone.pk,
                                                              "pk": data.project_owner.pk})
    add_watcher(data.private_milestone1, data.project_owner)
    private_url1 = reverse('milestone-watchers-detail', kwargs={"resource_id": data.private_milestone1.pk,
                                                                "pk": data.project_owner.pk})
    add_watcher(data.private_milestone2, data.project_owner)
    private_url2 = reverse('milestone-watchers-detail', kwargs={"resource_id": data.private_milestone2.pk,
                                                                "pk": data.project_owner.pk})
    add_watcher(data.blocked_milestone, data.project_owner)
    blocked_url = reverse('milestone-watchers-detail', kwargs={"resource_id": data.blocked_milestone.pk,
                                                               "pk": data.project_owner.pk})

    users = [
        None,
        data.registered_user,
        data.project_member_without_perms,
        data.project_member_with_perms,
        data.project_owner
    ]

    results = helper_test_http_method(client, 'get', public_url, None, users)
    assert results == [200, 200, 200, 200, 200]
    results = helper_test_http_method(client, 'get', private_url1, None, users)
    assert results == [200, 200, 200, 200, 200]
    results = helper_test_http_method(client, 'get', private_url2, None, users)
    assert results == [401, 403, 403, 200, 200]
    results = helper_test_http_method(client, 'get', blocked_url, None, users)
    assert results == [401, 403, 403, 200, 200]