import pytest
from flask import current_app

from app import aws_cloudwatch_client


def test_check_sms_no_event_error_condition(notify_api, mocker):
    boto_mock = mocker.patch.object(aws_cloudwatch_client, '_client', create=True)
    # TODO
    #  we do this to get the AWS account number, and it seems like unit tests locally have
    #  access to the env variables but when we push the PR they do not.  Is there a better way to get it?
    mocker.patch.dict('os.environ', {"SES_DOMAIN_ARN": "1111:"})
    message_id = 'aaa'
    notification_id = 'bbb'
    boto_mock.filter_log_events.return_value = []
    with notify_api.app_context():
        aws_cloudwatch_client.init_app(current_app)
        with pytest.raises(Exception):
            aws_cloudwatch_client.check_sms(message_id, notification_id)


def side_effect(filterPattern, logGroupName, startTime, endTime):
    if "Failure" in logGroupName and 'fail' in filterPattern:
        return {
            "events":
                [
                    {
                        'logStreamName': '89db9712-c6d1-49f9-be7c-4caa7ed9efb1',
                        'message': '{"delivery":{"destination":"+1661","providerResponse":"Invalid phone number"}}',
                        'eventId': '37535432778099870001723210579798865345508698025292922880'
                    }
                ]
        }

    elif 'succeed' in filterPattern:
        return {
            "events":
                [
                    {
                     'logStreamName': '89db9712-c6d1-49f9-be7c-4caa7ed9efb1',
                     'timestamp': 1683147017911,
                     'message': '{"delivery":{"destination":"+1661","providerResponse":"Phone accepted msg"}}',
                     'ingestionTime': 1683147018026,
                     'eventId': '37535432778099870001723210579798865345508698025292922880'
                    }
                ]
        }
    else:
        return {"events": []}


def test_check_sms_success(notify_api, mocker):
    aws_cloudwatch_client.init_app(current_app)
    boto_mock = mocker.patch.object(aws_cloudwatch_client, '_client', create=True)
    boto_mock.filter_log_events.side_effect = side_effect
    mocker.patch.dict('os.environ', {"SES_DOMAIN_ARN": "1111:"})

    message_id = 'succeed'
    notification_id = 'ccc'
    with notify_api.app_context():
        aws_cloudwatch_client.check_sms(message_id, notification_id)

    # We check the 'success' log group first and if we find the message_id, we are done, so there is only 1 call
    assert boto_mock.filter_log_events.call_count == 1
    mock_call = str(boto_mock.filter_log_events.mock_calls[0])
    assert 'Failure' not in mock_call
    assert 'succeed' in mock_call
    assert 'notification.messageId' in mock_call


def test_check_sms_failure(notify_api, mocker):
    aws_cloudwatch_client.init_app(current_app)
    boto_mock = mocker.patch.object(aws_cloudwatch_client, '_client', create=True)
    boto_mock.filter_log_events.side_effect = side_effect
    mocker.patch.dict('os.environ', {"SES_DOMAIN_ARN": "1111:"})

    message_id = 'fail'
    notification_id = 'bbb'
    with notify_api.app_context():
        aws_cloudwatch_client.check_sms(message_id, notification_id)

    # We check the 'success' log group and find nothing, so we then check the 'fail' log group -- two calls.
    assert boto_mock.filter_log_events.call_count == 2
    mock_call = str(boto_mock.filter_log_events.mock_calls[1])
    assert 'Failure' in mock_call
    assert 'fail' in mock_call
    assert 'notification.messageId' in mock_call