"""Test Nest local auth."""
from urllib.parse import parse_qsl

import pytest
import requests_mock as rmock

from homeassistant.components.nest import config_flow, const, local_auth


@pytest.fixture
def registered_flow(hass):
    """Mock a registered flow."""
    local_auth.initialize(hass, "TEST-CLIENT-ID", "TEST-CLIENT-SECRET")
    return hass.data[config_flow.DATA_FLOW_IMPL][const.DOMAIN]


async def test_generate_auth_url(registered_flow):
    """Test generating an auth url.

    Mainly testing that it doesn't blow up.
    """
    url = await registered_flow["gen_authorize_url"]("TEST-FLOW-ID")
    assert url is not None


async def test_convert_code(requests_mock, registered_flow):
    """Test converting a code."""
    from nest.nest import ACCESS_TOKEN_URL

    def token_matcher(request):
        """Match a fetch token request."""
        if request.url != ACCESS_TOKEN_URL:
            return None

        assert dict(parse_qsl(request.text)) == {
            "client_id": "TEST-CLIENT-ID",
            "client_secret": "TEST-CLIENT-SECRET",
            "code": "TEST-CODE",
            "grant_type": "authorization_code",
        }

        return rmock.create_response(
            request, json={"access_token": "TEST-ACCESS-TOKEN"}
        )

    requests_mock.add_matcher(token_matcher)

    tokens = await registered_flow["convert_code"]("TEST-CODE")
    assert tokens == {"access_token": "TEST-ACCESS-TOKEN"}