# -*- 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 pytest
from unittest import mock

import requests
from json import dumps
from apprise import Apprise
from apprise import AppriseAttachment
from apprise import NotifyType
from apprise.plugins.NotifySparkPost import NotifySparkPost
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 = (
    ('sparkpost://', {
        'instance': TypeError,
    }),
    ('sparkpost://:@/', {
        'instance': TypeError,
    }),
    # No Token specified
    ('sparkpost://user@localhost.localdomain', {
        'instance': TypeError,
    }),
    # Token is valid, but no user name specified
    ('sparkpost://localhost.localdomain/{}'.format('a' * 32), {
        'instance': TypeError,
    }),
    # Invalid from email address
    ('sparkpost://"@localhost.localdomain/{}'.format('b' * 32), {
        'instance': TypeError,
    }),
    # No To email address, but everything else is valid
    ('sparkpost://user@localhost.localdomain/{}'.format('c' * 32), {
        'instance': NotifySparkPost,
        'requests_response_text': {
            "results": {
                "total_rejected_recipients": 0,
                "total_accepted_recipients": 1,
                "id": "11668787484950529"
            }
        },
    }),
    ('sparkpost://user@localhost.localdomain/{}?format=markdown'
        .format('d' * 32), {
            'instance': NotifySparkPost,
            'requests_response_text': {
                "results": {
                    "total_rejected_recipients": 0,
                    "total_accepted_recipients": 1,
                    "id": "11668787484950529"
                }
            },
        }),
    ('sparkpost://user@localhost.localdomain/{}?format=html'
        .format('d' * 32), {
            'instance': NotifySparkPost,
            'requests_response_text': {
                "results": {
                    "total_rejected_recipients": 0,
                    "total_accepted_recipients": 1,
                    "id": "11668787484950529"
                }
            },
        }),
    ('sparkpost://user@localhost.localdomain/{}?format=text'
        .format('d' * 32), {
            'instance': NotifySparkPost,
            'requests_response_text': {
                "results": {
                    "total_rejected_recipients": 0,
                    "total_accepted_recipients": 1,
                    "id": "11668787484950529"
                }
            },
        }),
    # valid url with region specified (case insensitve)
    ('sparkpost://user@localhost.localdomain/{}?region=uS'.format('d' * 32), {
        'instance': NotifySparkPost,
        'requests_response_text': {
            "results": {
                "total_rejected_recipients": 0,
                "total_accepted_recipients": 1,
                "id": "11668787484950529"
            }
        },
    }),
    # valid url with region specified (case insensitve)
    ('sparkpost://user@localhost.localdomain/{}?region=EU'.format('e' * 32), {
        'instance': NotifySparkPost,
        'requests_response_text': {
            "results": {
                "total_rejected_recipients": 0,
                "total_accepted_recipients": 1,
                "id": "11668787484950529"
            }
        },
    }),
    # headers
    ('sparkpost://user@localhost.localdomain/{}'
        '?+X-Customer-Campaign-ID=Apprise'.format('f' * 32), {
            'instance': NotifySparkPost,
            'requests_response_text': {
                "results": {
                    "total_rejected_recipients": 0,
                    "total_accepted_recipients": 1,
                    "id": "11668787484950529"
                }
            },
        }),
    # template tokens
    ('sparkpost://user@localhost.localdomain/{}'
        '?:name=Chris&:status=admin'.format('g' * 32), {
            'instance': NotifySparkPost,
            'requests_response_text': {
                "results": {
                    "total_rejected_recipients": 0,
                    "total_accepted_recipients": 1,
                    "id": "11668787484950529"
                }
            },
        }),
    # bcc and cc
    ('sparkpost://user@localhost.localdomain/{}'
        '?bcc=user@example.com&cc=user2@example.com'.format('h' * 32), {
            'instance': NotifySparkPost,
            'requests_response_text': {
                "results": {
                    "total_rejected_recipients": 0,
                    "total_accepted_recipients": 1,
                    "id": "11668787484950529"
                }
            },
        }),
    # invalid url with region specified (case insensitve)
    ('sparkpost://user@localhost.localdomain/{}?region=invalid'.format(
        'a' * 32), {
            'instance': TypeError,
    }),
    # One 'To' Email address
    ('sparkpost://user@localhost.localdomain/{}/test@example.com'.format(
        'a' * 32), {
            'instance': NotifySparkPost,
            'requests_response_text': {
                "results": {
                    "total_rejected_recipients": 0,
                    "total_accepted_recipients": 1,
                    "id": "11668787484950529"
                }
            },
    }),
    # Invalid 'To' Email address
    ('sparkpost://user@localhost.localdomain/{}/invalid'.format(
        'i' * 32), {
            'instance': NotifySparkPost,
            # Expected notify() response
            'notify_response': False,
    }),
    # Multiple 'To', 'Cc', and 'Bcc' addresses (with invalid ones)
    ('sparkpost://user@example.com/{}/{}?bcc={}&cc={}'.format(
        'j' * 32,
        '/'.join(('user1@example.com', 'invalid', 'User2:user2@example.com')),
        ','.join(('user3@example.com', 'i@v', 'User1:user1@example.com')),
        ','.join(('user4@example.com', 'g@r@b', 'Da:user5@example.com'))), {
            'instance': NotifySparkPost,
            'requests_response_text': {
                "results": {
                    "total_rejected_recipients": 0,
                    "total_accepted_recipients": 1,
                    "id": "11668787484950529"
                }
            },
    }),
    ('sparkpost://user@localhost.localdomain/'
        '{}?to=test@example.com'.format('k' * 32), {
            'instance': NotifySparkPost,
            'requests_response_text': {
                "results": {
                    "total_rejected_recipients": 0,
                    "total_accepted_recipients": 1,
                    "id": "11668787484950529"
                }
            },
        }),
    # One To Email address, a from name specified too
    ('sparkpost://user@localhost.localdomain/{}/'
        'test@example.com?name="Frodo"'.format('l' * 32), {
            'instance': NotifySparkPost,
            'requests_response_text': {
                "results": {
                    "total_rejected_recipients": 0,
                    "total_accepted_recipients": 1,
                    "id": "11668787484950529"
                }
            },
        }),
    # Test invalid JSON response
    ('sparkpost://user@localhost.localdomain/{}'.format('m' * 32), {
        'instance': NotifySparkPost,
        'requests_response_text': "{",
    }),
    ('sparkpost://user@localhost.localdomain/{}'.format('n' * 32), {
        'instance': NotifySparkPost,
        # force a failure
        'response': False,
        'requests_response_code': requests.codes.internal_server_error,
    }),
    ('sparkpost://user@localhost.localdomain/{}'.format('o' * 32), {
        'instance': NotifySparkPost,
        # throw a bizzare code forcing us to fail to look it up
        'response': False,
        'requests_response_code': 999,
    }),
    ('sparkpost://user@localhost.localdomain/{}'.format('p' * 32), {
        'instance': NotifySparkPost,
        # 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_sparkpost_urls():
    """
    NotifySparkPost() Apprise URLs

    """

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


@mock.patch('requests.post')
def test_plugin_sparkpost_throttling(mock_post, no_throttling):
    """
    NotifySparkPost() Throttling

    """

    NotifySparkPost.sparkpost_retry_wait_sec = 0.1
    NotifySparkPost.sparkpost_retry_attempts = 3

    # API Key
    apikey = 'abc123'
    user = 'user'
    host = 'example.com'
    targets = '{}@{}'.format(user, host)

    # Exception should be thrown about the fact no user was specified
    with pytest.raises(TypeError):
        NotifySparkPost(
            apikey=apikey, targets=targets, host=host)

    # Exception should be thrown about the fact no private key was specified
    with pytest.raises(TypeError):
        NotifySparkPost(
            apikey=None, targets=targets, user=user, host=host)

    okay_response = requests.Request()
    okay_response.status_code = requests.codes.ok
    okay_response.content = dumps({
        "results": {
            "total_rejected_recipients": 0,
            "total_accepted_recipients": 1,
            "id": "11668787484950529"
        }
    })

    retry_response = requests.Request()
    retry_response.status_code = requests.codes.too_many_requests
    retry_response.content = dumps({
        "errors": [
            {
                "description":
                    "Unconfigured or unverified sending domain.",
                "code": "7001",
                "message": "Invalid domain"
            }
        ]
    })

    # Prepare Mock (force 2 retry responses and then one okay)
    mock_post.side_effect = \
        (retry_response, retry_response, okay_response)

    obj = Apprise.instantiate(
        'sparkpost://user@localhost.localdomain/{}'.format(apikey))
    assert isinstance(obj, NotifySparkPost)

    # We'll successfully perform the notification as we're within
    # our retry limit
    assert obj.notify('test') is True

    mock_post.reset_mock()
    mock_post.side_effect = \
        (retry_response, retry_response, retry_response)

    # Now we are less than our expected limit check so we will fail
    assert obj.notify('test') is False


@mock.patch('requests.post')
def test_plugin_sparkpost_attachments(mock_post, no_throttling):
    """
    NotifySparkPost() Attachments

    """
    NotifySparkPost.sparkpost_retry_wait_sec = 0.1
    NotifySparkPost.sparkpost_retry_attempts = 3

    okay_response = requests.Request()
    okay_response.status_code = requests.codes.ok
    okay_response.content = dumps({
        "results": {
            "total_rejected_recipients": 0,
            "total_accepted_recipients": 1,
            "id": "11668787484950529"
        }
    })

    # Assign our mock object our return value
    mock_post.return_value = okay_response

    # API Key
    apikey = 'abc123'

    obj = Apprise.instantiate(
        'sparkpost://user@localhost.localdomain/{}'.format(apikey))
    assert isinstance(obj, NotifySparkPost)

    # Test Valid Attachment
    path = os.path.join(TEST_VAR_DIR, 'apprise-test.gif')
    attach = AppriseAttachment(path)
    assert obj.notify(
        body='body', title='title', notify_type=NotifyType.INFO,
        attach=attach) is True

    # Test invalid attachment
    path = os.path.join(TEST_VAR_DIR, '/invalid/path/to/an/invalid/file.jpg')
    assert obj.notify(
        body='body', title='title', notify_type=NotifyType.INFO,
        attach=path) is False

    with mock.patch('base64.b64encode', side_effect=OSError()):
        # We can't send the message if we fail to parse the data
        assert obj.notify(
            body='body', title='title', notify_type=NotifyType.INFO,
            attach=attach) is False

    obj = Apprise.instantiate(
        'sparkpost://no-reply@example.com/{}/'
        'user1@example.com/user2@example.com?batch=yes'.format(apikey))
    assert isinstance(obj, NotifySparkPost)

    # Force our batch to break into separate messages
    obj.default_batch_size = 1
    # We'll send 2 messages
    mock_post.reset_mock()

    assert obj.notify(
        body='body', title='title', notify_type=NotifyType.INFO,
        attach=attach) is True
    assert mock_post.call_count == 2

    # single batch
    mock_post.reset_mock()
    # We'll send 1 message
    obj.default_batch_size = 2

    assert obj.notify(
        body='body', title='title', notify_type=NotifyType.INFO,
        attach=attach) is True
    assert mock_post.call_count == 1