# -*- 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
from unittest import mock

import pytest
import requests
from json import dumps
from apprise import Apprise
from apprise import AppriseAttachment
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 = (
    ('pbul://', {
        'instance': TypeError,
    }),
    ('pbul://:@/', {
        'instance': TypeError,
    }),
    # APIkey
    ('pbul://%s' % ('a' * 32), {
        'instance': plugins.NotifyPushBullet,
        'check_attachments': False,
    }),
    # APIkey; but support attachment response
    ('pbul://%s' % ('a' * 32), {
        'instance': plugins.NotifyPushBullet,

        # Test what happens if a batch send fails to return a messageCount
        'requests_response_text': {
            'file_name': 'cat.jpeg',
            'file_type': 'image/jpeg',
            'file_url': 'http://file_url',
            'upload_url': 'http://upload_url',
        },
    }),
    # APIkey; attachment testing that isn't an image type
    ('pbul://%s' % ('a' * 32), {
        'instance': plugins.NotifyPushBullet,

        # Test what happens if a batch send fails to return a messageCount
        'requests_response_text': {
            'file_name': 'test.pdf',
            'file_type': 'application/pdf',
            'file_url': 'http://file_url',
            'upload_url': 'http://upload_url',
        },
    }),
    # APIkey; attachment testing were expected entry in payload is missing
    ('pbul://%s' % ('a' * 32), {
        'instance': plugins.NotifyPushBullet,

        # Test what happens if a batch send fails to return a messageCount
        'requests_response_text': {
            'file_name': 'test.pdf',
            'file_type': 'application/pdf',
            'file_url': 'http://file_url',
            # upload_url missing
        },
        # Our Notification calls associated with attachments will fail:
        'attach_response': False,
    }),
    # API Key + channel
    ('pbul://%s/#channel/' % ('a' * 32), {
        'instance': plugins.NotifyPushBullet,
        'check_attachments': False,
    }),
    # API Key + channel (via to=
    ('pbul://%s/?to=#channel' % ('a' * 32), {
        'instance': plugins.NotifyPushBullet,
        'check_attachments': False,
    }),
    # API Key + 2 channels
    ('pbul://%s/#channel1/#channel2' % ('a' * 32), {
        'instance': plugins.NotifyPushBullet,

        # Our expected url(privacy=True) startswith() response:
        'privacy_url': 'pbul://a...a/',
        'check_attachments': False,
    }),
    # API Key + device
    ('pbul://%s/device/' % ('a' * 32), {
        'instance': plugins.NotifyPushBullet,
        'check_attachments': False,
    }),
    # API Key + 2 devices
    ('pbul://%s/device1/device2/' % ('a' * 32), {
        'instance': plugins.NotifyPushBullet,
        'check_attachments': False,
    }),
    # API Key + email
    ('pbul://%s/user@example.com/' % ('a' * 32), {
        'instance': plugins.NotifyPushBullet,
        'check_attachments': False,
    }),
    # API Key + 2 emails
    ('pbul://%s/user@example.com/abc@def.com/' % ('a' * 32), {
        'instance': plugins.NotifyPushBullet,
        'check_attachments': False,
    }),
    # API Key + Combo
    ('pbul://%s/device/#channel/user@example.com/' % ('a' * 32), {
        'instance': plugins.NotifyPushBullet,
        'check_attachments': False,
    }),
    # ,
    ('pbul://%s' % ('a' * 32), {
        'instance': plugins.NotifyPushBullet,
        # force a failure
        'response': False,
        'requests_response_code': requests.codes.internal_server_error,
        'check_attachments': False,
    }),
    ('pbul://%s' % ('a' * 32), {
        'instance': plugins.NotifyPushBullet,
        # throw a bizzare code forcing us to fail to look it up
        'response': False,
        'requests_response_code': 999,
        'check_attachments': False,
    }),
    ('pbul://%s' % ('a' * 32), {
        'instance': plugins.NotifyPushBullet,
        # Throws a series of connection and transfer exceptions when this flag
        # is set and tests that we gracfully handle them
        'test_requests_exceptions': True,
        'check_attachments': False,
    }),
    ('pbul://%s' % ('a' * 32), {
        'instance': plugins.NotifyPushBullet,
        # force a failure
        'response': False,
        'requests_response_code': requests.codes.internal_server_error,
        'check_attachments': False,
    }),
    ('pbul://%s' % ('a' * 32), {
        'instance': plugins.NotifyPushBullet,
        # throw a bizzare code forcing us to fail to look it up
        'response': False,
        'requests_response_code': 999,
        'check_attachments': False,
    }),
    ('pbul://%s' % ('a' * 32), {
        'instance': plugins.NotifyPushBullet,
        # Throws a series of connection and transfer exceptions when this flag
        # is set and tests that we gracfully handle them
        'test_requests_exceptions': True,
        'check_attachments': False,
    }),
)


def test_plugin_pushbullet_urls():
    """
    NotifyPushBullet() Apprise URLs

    """

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


@mock.patch('requests.post')
def test_plugin_pushbullet_attachments(mock_post):
    """
    NotifyPushBullet() Attachment Checks

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

    # Initialize some generic (but valid) tokens
    access_token = 't' * 32

    # Prepare Mock return object
    response = mock.Mock()
    response.content = dumps({
        "file_name": "cat.jpg",
        "file_type": "image/jpeg",
        "file_url": "https://dl.pushb.com/abc/cat.jpg",
        "upload_url": "https://upload.pushbullet.com/abcd123",
    })
    response.status_code = requests.codes.ok
    mock_post.return_value = response

    # prepare our attachment
    attach = AppriseAttachment(os.path.join(TEST_VAR_DIR, 'apprise-test.gif'))

    # Test our markdown
    obj = Apprise.instantiate(
        'pbul://{}/?format=markdown'.format(access_token))

    # Send a good attachment
    assert obj.notify(body="test", attach=attach) is True

    # Test our call count
    assert mock_post.call_count == 4
    # Image Prep
    assert mock_post.call_args_list[0][0][0] == \
        'https://api.pushbullet.com/v2/upload-request'
    assert mock_post.call_args_list[1][0][0] == \
        'https://upload.pushbullet.com/abcd123'
    # Message
    assert mock_post.call_args_list[2][0][0] == \
        'https://api.pushbullet.com/v2/pushes'
    # Image Send
    assert mock_post.call_args_list[3][0][0] == \
        'https://api.pushbullet.com/v2/pushes'

    # Reset our mock object
    mock_post.reset_mock()

    # Add another attachment so we drop into the area of the PushBullet code
    # that sends remaining attachments (if more detected)
    attach.add(os.path.join(TEST_VAR_DIR, 'apprise-test.gif'))

    # Send our attachments
    assert obj.notify(body="test", attach=attach) is True

    # Test our call count
    assert mock_post.call_count == 7
    # Image Prep
    assert mock_post.call_args_list[0][0][0] == \
        'https://api.pushbullet.com/v2/upload-request'
    assert mock_post.call_args_list[1][0][0] == \
        'https://upload.pushbullet.com/abcd123'
    assert mock_post.call_args_list[2][0][0] == \
        'https://api.pushbullet.com/v2/upload-request'
    assert mock_post.call_args_list[3][0][0] == \
        'https://upload.pushbullet.com/abcd123'
    # Message
    assert mock_post.call_args_list[4][0][0] == \
        'https://api.pushbullet.com/v2/pushes'
    # Image Send
    assert mock_post.call_args_list[5][0][0] == \
        'https://api.pushbullet.com/v2/pushes'
    assert mock_post.call_args_list[6][0][0] == \
        'https://api.pushbullet.com/v2/pushes'

    # Reset our mock object
    mock_post.reset_mock()

    # An invalid attachment will cause a failure
    path = os.path.join(TEST_VAR_DIR, '/invalid/path/to/an/invalid/file.jpg')
    attach = AppriseAttachment(path)
    assert obj.notify(body="test", attach=attach) is False

    # Test our call count
    assert mock_post.call_count == 0

    # prepare our attachment
    attach = AppriseAttachment(os.path.join(TEST_VAR_DIR, 'apprise-test.gif'))

    # Prepare a bad response
    bad_response = mock.Mock()
    bad_response.content = dumps({
        "file_name": "cat.jpg",
        "file_type": "image/jpeg",
        "file_url": "https://dl.pushb.com/abc/cat.jpg",
        "upload_url": "https://upload.pushbullet.com/abcd123",
    })
    bad_response.status_code = requests.codes.internal_server_error

    # Prepare a bad response
    bad_json_response = mock.Mock()
    bad_json_response.content = '}'
    bad_json_response.status_code = requests.codes.ok

    # Throw an exception on the first call to requests.post()
    mock_post.return_value = None
    for side_effect in (requests.RequestException(), OSError(), bad_response):
        mock_post.side_effect = side_effect

        # We'll fail now because of our error handling
        assert obj.send(body="test", attach=attach) is False

    # Throw an exception on the second call to requests.post()
    for side_effect in (requests.RequestException(), OSError(), bad_response):
        mock_post.side_effect = [response, side_effect]

        # We'll fail now because of our error handling
        assert obj.send(body="test", attach=attach) is False

    # Throw an exception on the third call to requests.post()
    for side_effect in (requests.RequestException(), OSError(), bad_response):
        mock_post.side_effect = [response, response, side_effect]

        # We'll fail now because of our error handling
        assert obj.send(body="test", attach=attach) is False

    # Throw an exception on the forth call to requests.post()
    for side_effect in (requests.RequestException(), OSError(), bad_response):
        mock_post.side_effect = [response, response, response, side_effect]

        # We'll fail now because of our error handling
        assert obj.send(body="test", attach=attach) is False

    # Test case where we don't get a valid response back
    mock_post.side_effect = bad_json_response

    # We'll fail because of an invalid json object
    assert obj.send(body="test", attach=attach) is False


@mock.patch('requests.get')
@mock.patch('requests.post')
def test_plugin_pushbullet_edge_cases(mock_post, mock_get):
    """
    NotifyPushBullet() Edge Cases

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

    # Initialize some generic (but valid) tokens
    accesstoken = 'a' * 32

    # Support strings
    recipients = '#chan1,#chan2,device,user@example.com,,,'

    # Prepare Mock
    mock_get.return_value = requests.Request()
    mock_post.return_value = requests.Request()
    mock_post.return_value.status_code = requests.codes.ok
    mock_get.return_value.status_code = requests.codes.ok

    # Invalid Access Token
    with pytest.raises(TypeError):
        plugins.NotifyPushBullet(accesstoken=None)
    with pytest.raises(TypeError):
        plugins.NotifyPushBullet(accesstoken="     ")

    obj = plugins.NotifyPushBullet(
        accesstoken=accesstoken, targets=recipients)
    assert isinstance(obj, plugins.NotifyPushBullet) is True
    assert len(obj.targets) == 4

    obj = plugins.NotifyPushBullet(accesstoken=accesstoken)
    assert isinstance(obj, plugins.NotifyPushBullet) is True
    # Default is to send to all devices, so there will be a
    # recipient here
    assert len(obj.targets) == 1

    obj = plugins.NotifyPushBullet(accesstoken=accesstoken, targets=set())
    assert isinstance(obj, plugins.NotifyPushBullet) is True
    # Default is to send to all devices, so there will be a
    # recipient here
    assert len(obj.targets) == 1