"""Test Google http services."""
from datetime import datetime, timedelta, timezone

from asynctest import ANY, patch

from homeassistant.components.google_assistant import GOOGLE_ASSISTANT_SCHEMA
from homeassistant.components.google_assistant.const import (
    HOMEGRAPH_TOKEN_URL,
    REPORT_STATE_BASE_URL,
)
from homeassistant.components.google_assistant.http import (
    GoogleConfig,
    _get_homegraph_jwt,
    _get_homegraph_token,
)

DUMMY_CONFIG = GOOGLE_ASSISTANT_SCHEMA(
    {
        "project_id": "1234",
        "service_account": {
            "private_key": "-----BEGIN PRIVATE KEY-----\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\n-----END PRIVATE KEY-----\n",
            "client_email": "dummy@dummy.iam.gserviceaccount.com",
        },
    }
)
MOCK_TOKEN = {"access_token": "dummtoken", "expires_in": 3600}
MOCK_JSON = {"devices": {}}
MOCK_URL = "https://dummy"
MOCK_HEADER = {
    "Authorization": "Bearer {}".format(MOCK_TOKEN["access_token"]),
    "X-GFE-SSL": "yes",
}


async def test_get_jwt(hass):
    """Test signing of key."""

    jwt = "eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJpc3MiOiJkdW1teUBkdW1teS5pYW0uZ3NlcnZpY2VhY2NvdW50LmNvbSIsInNjb3BlIjoiaHR0cHM6Ly93d3cuZ29vZ2xlYXBpcy5jb20vYXV0aC9ob21lZ3JhcGgiLCJhdWQiOiJodHRwczovL2FjY291bnRzLmdvb2dsZS5jb20vby9vYXV0aDIvdG9rZW4iLCJpYXQiOjE1NzEwMTEyMDAsImV4cCI6MTU3MTAxNDgwMH0.gG06SmY-zSvFwSrdFfqIdC6AnC22rwz-d2F2UDeWbywjdmFL_1zceL-OOLBwjD8MJr6nR0kmN_Osu7ml9-EzzZjJqsRUxMjGn2G8nSYHbv16R4FYIp62Ibvt6Jj_wdFobEPoy_5OJ28P5Hdu0giGMlFBJMy0Tc6MgEDZA-cwOBw"
    res = _get_homegraph_jwt(
        datetime(2019, 10, 14, tzinfo=timezone.utc),
        DUMMY_CONFIG["service_account"]["client_email"],
        DUMMY_CONFIG["service_account"]["private_key"],
    )
    assert res == jwt


async def test_get_access_token(hass, aioclient_mock):
    """Test the function to get access token."""
    jwt = "dummyjwt"

    aioclient_mock.post(
        HOMEGRAPH_TOKEN_URL,
        status=200,
        json={"access_token": "1234", "expires_in": 3600},
    )

    await _get_homegraph_token(hass, jwt)
    assert aioclient_mock.call_count == 1
    assert aioclient_mock.mock_calls[0][3] == {
        "Authorization": "Bearer {}".format(jwt),
        "Content-Type": "application/x-www-form-urlencoded",
    }


async def test_update_access_token(hass):
    """Test the function to update access token when expired."""
    jwt = "dummyjwt"

    config = GoogleConfig(hass, DUMMY_CONFIG)
    await config.async_initialize()

    base_time = datetime(2019, 10, 14, tzinfo=timezone.utc)
    with patch(
        "homeassistant.components.google_assistant.http._get_homegraph_token"
    ) as mock_get_token, patch(
        "homeassistant.components.google_assistant.http._get_homegraph_jwt"
    ) as mock_get_jwt, patch(
        "homeassistant.core.dt_util.utcnow"
    ) as mock_utcnow:
        mock_utcnow.return_value = base_time
        mock_get_jwt.return_value = jwt
        mock_get_token.return_value = MOCK_TOKEN

        await config._async_update_token()
        mock_get_token.assert_called_once()

        mock_get_token.reset_mock()

        mock_utcnow.return_value = base_time + timedelta(seconds=3600)
        await config._async_update_token()
        mock_get_token.assert_not_called()

        mock_get_token.reset_mock()

        mock_utcnow.return_value = base_time + timedelta(seconds=3601)
        await config._async_update_token()
        mock_get_token.assert_called_once()


async def test_call_homegraph_api(hass, aioclient_mock, hass_storage):
    """Test the function to call the homegraph api."""
    config = GoogleConfig(hass, DUMMY_CONFIG)
    await config.async_initialize()

    with patch(
        "homeassistant.components.google_assistant.http._get_homegraph_token"
    ) as mock_get_token:
        mock_get_token.return_value = MOCK_TOKEN

        aioclient_mock.post(MOCK_URL, status=200, json={})

        res = await config.async_call_homegraph_api(MOCK_URL, MOCK_JSON)
        assert res == 200

        assert mock_get_token.call_count == 1
        assert aioclient_mock.call_count == 1

        call = aioclient_mock.mock_calls[0]
        assert call[2] == MOCK_JSON
        assert call[3] == MOCK_HEADER


async def test_call_homegraph_api_retry(hass, aioclient_mock, hass_storage):
    """Test the that the calls get retried with new token on 401."""
    config = GoogleConfig(hass, DUMMY_CONFIG)
    await config.async_initialize()

    with patch(
        "homeassistant.components.google_assistant.http._get_homegraph_token"
    ) as mock_get_token:
        mock_get_token.return_value = MOCK_TOKEN

        aioclient_mock.post(MOCK_URL, status=401, json={})

        await config.async_call_homegraph_api(MOCK_URL, MOCK_JSON)

        assert mock_get_token.call_count == 2
        assert aioclient_mock.call_count == 2

        call = aioclient_mock.mock_calls[0]
        assert call[2] == MOCK_JSON
        assert call[3] == MOCK_HEADER
        call = aioclient_mock.mock_calls[1]
        assert call[2] == MOCK_JSON
        assert call[3] == MOCK_HEADER


async def test_call_homegraph_api_key(hass, aioclient_mock, hass_storage):
    """Test the function to call the homegraph api."""
    config = GoogleConfig(
        hass, GOOGLE_ASSISTANT_SCHEMA({"project_id": "1234", "api_key": "dummy_key"}),
    )
    await config.async_initialize()

    aioclient_mock.post(MOCK_URL, status=200, json={})

    res = await config.async_call_homegraph_api_key(MOCK_URL, MOCK_JSON)
    assert res == 200
    assert aioclient_mock.call_count == 1

    call = aioclient_mock.mock_calls[0]
    assert call[1].query == {"key": "dummy_key"}
    assert call[2] == MOCK_JSON


async def test_call_homegraph_api_key_fail(hass, aioclient_mock, hass_storage):
    """Test the function to call the homegraph api."""
    config = GoogleConfig(
        hass, GOOGLE_ASSISTANT_SCHEMA({"project_id": "1234", "api_key": "dummy_key"}),
    )
    await config.async_initialize()

    aioclient_mock.post(MOCK_URL, status=666, json={})

    res = await config.async_call_homegraph_api_key(MOCK_URL, MOCK_JSON)
    assert res == 666
    assert aioclient_mock.call_count == 1


async def test_report_state(hass, aioclient_mock, hass_storage):
    """Test the report state function."""
    agent_user_id = "user"
    config = GoogleConfig(hass, DUMMY_CONFIG)
    await config.async_initialize()

    await config.async_connect_agent_user(agent_user_id)
    message = {"devices": {}}

    with patch.object(config, "async_call_homegraph_api") as mock_call:
        await config.async_report_state(message, agent_user_id)
        mock_call.assert_called_once_with(
            REPORT_STATE_BASE_URL,
            {"requestId": ANY, "agentUserId": agent_user_id, "payload": message},
        )
