import requests_mock
import pytest

from app.clients.performance_platform.performance_platform_client import PerformancePlatformClient


@pytest.fixture(scope='function')
def client(mocker):
    client = PerformancePlatformClient()
    current_app = mocker.Mock(config={
        'PERFORMANCE_PLATFORM_ENABLED': True,
        'PERFORMANCE_PLATFORM_URL': 'performance-platform-url',
        'PERFORMANCE_PLATFORM_TOKEN': 'token'
    })
    client.init_app(current_app)
    return client


def test_should_not_call_if_not_enabled(notify_api, client, mocker):
    mocker.patch.object(client, '_send_stats_to_performance_platform')
    client.active = False
    client.send_performance_stats(
        date='2016-10-16T00:00:00+00:00',
        channel='sms',
        count=142,
        period='day'
    )

    client._send_stats_to_performance_platform.assert_not_called()


def test_should_call_if_enabled(notify_api, client, mocker):
    mocker.patch.object(client, '_send_stats_to_performance_platform')
    client.send_performance_stats(
        date='2016-10-16T00:00:00+00:00',
        channel='sms',
        count=142,
        period='day'
    )

    assert client._send_stats_to_performance_platform.call_count == 1


def test_send_platform_stats_creates_correct_call(notify_api, client):
    with requests_mock.Mocker() as request_mock:
        request_mock.post(
            client.performance_platform_url,
            json={},
            status_code=200
        )
        client.send_performance_stats(
            date='2016-10-16T00:00:00+00:00',
            channel='sms',
            count=142,
            period='day'
        )

    assert request_mock.call_count == 1

    assert request_mock.request_history[0].url == client.performance_platform_url
    assert request_mock.request_history[0].method == 'POST'

    request_args = request_mock.request_history[0].json()
    assert request_args['dataType'] == 'notifications'
    assert request_args['service'] == 'govuk-notify'
    assert request_args['period'] == 'day'
    assert request_args['channel'] == 'sms'
    assert request_args['_timestamp'] == '2016-10-16T00:00:00+00:00'
    assert request_args['count'] == 142
    expected_base64_id = 'MjAxNi0xMC0xNlQwMDowMDowMCswMDowMGdvdnVrLW5vdGlmeXNtc25vdGlmaWNhdGlvbnNkYXk='
    assert request_args['_id'] == expected_base64_id