# -*- coding: utf-8 -*-
#
# Copyright (C) 2020 Chris Caron <lead2gold@gmail.com>
# All rights reserved.
#
# This code is licensed under the MIT License.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files(the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions :
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

import os
import six
import mock
import pytest
import requests
from datetime import datetime
from json import dumps
from apprise import Apprise
from apprise import plugins
from helpers import AppriseURLTester

# Disable logging for a cleaner testing output
import logging
logging.disable(logging.CRITICAL)

# Attachment Directory
TEST_VAR_DIR = os.path.join(os.path.dirname(__file__), 'var')

# Our Testing URLs
apprise_url_tests = (
    ##################################
    # NotifyOffice365
    ##################################
    ('o365://', {
        # Missing tenant, client_id, secret, and targets!
        'instance': TypeError,
    }),
    ('o365://:@/', {
        # invalid url
        'instance': TypeError,
    }),
    ('o365://{tenant}:{aid}/{cid}/{secret}/{targets}'.format(
        # invalid tenant
        tenant=',',
        cid='ab-cd-ef-gh',
        aid='user@example.com',
        secret='abcd/123/3343/@jack/test',
        targets='/'.join(['email1@test.ca'])), {

        # We're valid and good to go
        'instance': TypeError,
    }),
    ('o365://{tenant}:{aid}/{cid}/{secret}/{targets}'.format(
        tenant='tenant',
        # invalid client id
        cid='ab.',
        aid='user@example.com',
        secret='abcd/123/3343/@jack/test',
        targets='/'.join(['email1@test.ca'])), {

        # We're valid and good to go
        'instance': TypeError,
    }),
    ('o365://{tenant}:{aid}/{cid}/{secret}/{targets}'.format(
        tenant='tenant',
        cid='ab-cd-ef-gh',
        aid='user@example.com',
        secret='abcd/123/3343/@jack/test',
        targets='/'.join(['email1@test.ca'])), {

        # We're valid and good to go
        'instance': plugins.NotifyOffice365,

        # Test what happens if a batch send fails to return a messageCount
        'requests_response_text': {
            'expires_in': 2000,
            'access_token': 'abcd1234',
        },

        # Our expected url(privacy=True) startswith() response:
        'privacy_url': 'o365://t...t:user@example.com/a...h/' \
                       '****/email1%40test.ca/'}),
    # test our arguments
    ('o365://_/?oauth_id={cid}&oauth_secret={secret}&tenant={tenant}'
        '&to={targets}&from={aid}'.format(
            tenant='tenant',
            cid='ab-cd-ef-gh',
            aid='user@example.com',
            secret='abcd/123/3343/@jack/test',
            targets='email1@test.ca'),
        {
            # We're valid and good to go
            'instance': plugins.NotifyOffice365,

            # Test what happens if a batch send fails to return a messageCount
            'requests_response_text': {
                'expires_in': 2000,
                'access_token': 'abcd1234',
            },

            # Our expected url(privacy=True) startswith() response:
            'privacy_url': 'o365://t...t:user@example.com/a...h/' \
                           '****/email1%40test.ca/'}),
    # Test invalid JSON (no tenant defaults to email domain)
    ('o365://{tenant}:{aid}/{cid}/{secret}/{targets}'.format(
        tenant='tenant',
        cid='ab-cd-ef-gh',
        aid='user@example.com',
        secret='abcd/123/3343/@jack/test',
        targets='/'.join(['email1@test.ca'])), {

        # We're valid and good to go
        'instance': plugins.NotifyOffice365,

        # invalid JSON response
        'requests_response_text': '{',
        'notify_response': False,
    }),
    # No Targets specified
    ('o365://{tenant}:{aid}/{cid}/{secret}'.format(
        tenant='tenant',
        cid='ab-cd-ef-gh',
        aid='user@example.com',
        secret='abcd/123/3343/@jack/test'), {

        # We're valid and good to go
        'instance': plugins.NotifyOffice365,

        # There were no targets to notify; so we use our own email
        'requests_response_text': {
            'expires_in': 2000,
            'access_token': 'abcd1234',
        },
    }),
    ('o365://{tenant}:{aid}/{cid}/{secret}/{targets}'.format(
        tenant='tenant',
        cid='zz-zz-zz-zz',
        aid='user@example.com',
        secret='abcd/abc/dcba/@john/test',
        targets='/'.join(['email1@test.ca'])), {
        'instance': plugins.NotifyOffice365,
        # throw a bizzare code forcing us to fail to look it up
        'response': False,
        'requests_response_code': 999,
    }),
    ('o365://{tenant}:{aid}/{cid}/{secret}/{targets}'.format(
        tenant='tenant',
        cid='01-12-23-34',
        aid='user@example.com',
        secret='abcd/321/4321/@test/test',
        targets='/'.join(['email1@test.ca'])), {
        'instance': plugins.NotifyOffice365,
        # Throws a series of connection and transfer exceptions when this flag
        # is set and tests that we gracfully handle them
        'test_requests_exceptions': True,
    }),
)


def test_plugin_office365_urls():
    """
    NotifyOffice365() Apprise URLs

    """

    # Run our general tests
    AppriseURLTester(tests=apprise_url_tests).run_all()


@mock.patch('requests.post')
def test_plugin_office365_general(mock_post):
    """
    NotifyOffice365() General Testing

    """
    # Disable Throttling to speed testing
    plugins.NotifyBase.request_rate_per_sec = 0

    # Initialize some generic (but valid) tokens
    email = 'user@example.net'
    tenant = 'ff-gg-hh-ii-jj'
    client_id = 'aa-bb-cc-dd-ee'
    secret = 'abcd/1234/abcd@ajd@/test'
    targets = 'target@example.com'

    # Prepare Mock return object
    authentication = {
        "token_type": "Bearer",
        "expires_in": 6000,
        "access_token": "abcd1234"
    }
    response = mock.Mock()
    response.content = dumps(authentication)
    response.status_code = requests.codes.ok
    mock_post.return_value = response

    # Instantiate our object
    obj = Apprise.instantiate(
        'o365://{tenant}:{email}/{tenant}/{secret}/{targets}'.format(
            tenant=tenant,
            email=email,
            secret=secret,
            targets=targets))

    assert isinstance(obj, plugins.NotifyOffice365)

    # Test our URL generation
    assert isinstance(obj.url(), six.string_types)

    # Test our notification
    assert obj.notify(title='title', body='test') is True

    # Instantiate our object
    obj = Apprise.instantiate(
        'o365://{tenant}:{email}/{tenant}/{secret}/{targets}'
        '?bcc={bcc}&cc={cc}'.format(
            tenant=tenant,
            email=email,
            secret=secret,
            targets=targets,
            # Test the cc and bcc list (use good and bad email)
            cc='Chuck Norris cnorris@yahoo.ca, Sauron@lotr.me, invalid@!',
            bcc='Bruce Willis bwillis@hotmail.com, Frodo@lotr.me invalid@!',
        ))

    assert isinstance(obj, plugins.NotifyOffice365)

    # Test our URL generation
    assert isinstance(obj.url(), six.string_types)

    # Test our notification
    assert obj.notify(title='title', body='test') is True

    with pytest.raises(TypeError):
        # No secret
        plugins.NotifyOffice365(
            email=email,
            client_id=client_id,
            tenant=tenant,
            secret=None,
            targets=None,
        )

    with pytest.raises(TypeError):
        # Invalid email
        plugins.NotifyOffice365(
            email=None,
            client_id=client_id,
            tenant=tenant,
            secret=secret,
            targets=None,
        )

    with pytest.raises(TypeError):
        # Invalid email
        plugins.NotifyOffice365(
            email='garbage',
            client_id=client_id,
            tenant=tenant,
            secret=secret,
            targets=None,
        )

    # One of the targets are invalid
    obj = plugins.NotifyOffice365(
        email=email,
        client_id=client_id,
        tenant=tenant,
        secret=secret,
        targets=('Management abc@gmail.com', 'garbage'),
    )
    # Test our notification (this will work and only notify abc@gmail.com)
    assert obj.notify(title='title', body='test') is True

    # all of the targets are invalid
    obj = plugins.NotifyOffice365(
        email=email,
        client_id=client_id,
        tenant=tenant,
        secret=secret,
        targets=('invalid', 'garbage'),
    )

    # Test our notification (which will fail because of no entries)
    assert obj.notify(title='title', body='test') is False


@mock.patch('requests.post')
def test_plugin_office365_authentication(mock_post):
    """
    NotifyOffice365() Authentication Testing

    """
    # Disable Throttling to speed testing
    plugins.NotifyBase.request_rate_per_sec = 0

    # Initialize some generic (but valid) tokens
    tenant = 'ff-gg-hh-ii-jj'
    email = 'user@example.net'
    client_id = 'aa-bb-cc-dd-ee'
    secret = 'abcd/1234/abcd@ajd@/test'
    targets = 'target@example.com'

    # Prepare Mock return object
    authentication_okay = {
        "token_type": "Bearer",
        "expires_in": 6000,
        "access_token": "abcd1234"
    }
    authentication_failure = {
        "error": "invalid_scope",
        "error_description": "AADSTS70011: Blah... Blah Blah... Blah",
        "error_codes": [70011],
        "timestamp": "2020-01-09 02:02:12Z",
        "trace_id": "255d1aef-8c98-452f-ac51-23d051240864",
        "correlation_id": "fb3d2015-bc17-4bb9-bb85-30c5cf1aaaa7",
    }
    response = mock.Mock()
    response.content = dumps(authentication_okay)
    response.status_code = requests.codes.ok
    mock_post.return_value = response

    # Instantiate our object
    obj = Apprise.instantiate(
        'o365://{tenant}:{email}/{client_id}/{secret}/{targets}'.format(
            client_id=client_id,
            tenant=tenant,
            email=email,
            secret=secret,
            targets=targets))

    assert isinstance(obj, plugins.NotifyOffice365)

    # Authenticate
    assert obj.authenticate() is True

    # We're already authenticated
    assert obj.authenticate() is True

    # Expire our token
    obj.token_expiry = datetime.now()

    # Re-authentiate
    assert obj.authenticate() is True

    # Change our response
    response.status_code = 400

    # We'll fail to send a notification now...
    assert obj.notify(title='title', body='test') is False

    # Expire our token
    obj.token_expiry = datetime.now()

    # Set a failure response
    response.content = dumps(authentication_failure)

    # We will fail to authenticate at this point
    assert obj.authenticate() is False

    # Notifications will also fail in this case
    assert obj.notify(title='title', body='test') is False

    # We will fail to authenticate with invalid data

    invalid_auth_entries = authentication_okay.copy()
    invalid_auth_entries['expires_in'] = 'garbage'
    response.content = dumps(invalid_auth_entries)
    response.status_code = requests.codes.ok
    assert obj.authenticate() is False

    invalid_auth_entries['expires_in'] = None
    response.content = dumps(invalid_auth_entries)
    assert obj.authenticate() is False

    invalid_auth_entries['expires_in'] = ''
    response.content = dumps(invalid_auth_entries)
    assert obj.authenticate() is False

    del invalid_auth_entries['expires_in']
    response.content = dumps(invalid_auth_entries)
    assert obj.authenticate() is False