"""Test Alexa config."""
import contextlib
from unittest.mock import patch

from homeassistant.components.cloud import ALEXA_SCHEMA, alexa_config
from homeassistant.util.dt import utcnow
from homeassistant.helpers.entity_registry import EVENT_ENTITY_REGISTRY_UPDATED
from tests.common import mock_coro, async_fire_time_changed


async def test_alexa_config_expose_entity_prefs(hass, cloud_prefs):
    """Test Alexa config should expose using prefs."""
    entity_conf = {
        'should_expose': False
    }
    await cloud_prefs.async_update(alexa_entity_configs={
        'light.kitchen': entity_conf
    })
    conf = alexa_config.AlexaConfig(hass, ALEXA_SCHEMA({}), cloud_prefs, None)

    assert not conf.should_expose('light.kitchen')
    entity_conf['should_expose'] = True
    assert conf.should_expose('light.kitchen')


async def test_alexa_config_report_state(hass, cloud_prefs):
    """Test Alexa config should expose using prefs."""
    conf = alexa_config.AlexaConfig(hass, ALEXA_SCHEMA({}), cloud_prefs, None)

    assert cloud_prefs.alexa_report_state is False
    assert conf.should_report_state is False
    assert conf.is_reporting_states is False

    with patch.object(conf, 'async_get_access_token',
                      return_value=mock_coro("hello")):
        await cloud_prefs.async_update(alexa_report_state=True)
        await hass.async_block_till_done()

    assert cloud_prefs.alexa_report_state is True
    assert conf.should_report_state is True
    assert conf.is_reporting_states is True

    await cloud_prefs.async_update(alexa_report_state=False)
    await hass.async_block_till_done()

    assert cloud_prefs.alexa_report_state is False
    assert conf.should_report_state is False
    assert conf.is_reporting_states is False


@contextlib.contextmanager
def patch_sync_helper():
    """Patch sync helper.

    In Py3.7 this would have been an async context manager.
    """
    to_update = []
    to_remove = []

    with patch(
            'homeassistant.components.cloud.alexa_config.SYNC_DELAY', 0
    ), patch(
        'homeassistant.components.cloud.alexa_config.AlexaConfig._sync_helper',
        side_effect=mock_coro
    ) as mock_helper:
        yield to_update, to_remove

    actual_to_update, actual_to_remove = mock_helper.mock_calls[0][1]
    to_update.extend(actual_to_update)
    to_remove.extend(actual_to_remove)


async def test_alexa_update_expose_trigger_sync(hass, cloud_prefs):
    """Test Alexa config responds to updating exposed entities."""
    alexa_config.AlexaConfig(hass, ALEXA_SCHEMA({}), cloud_prefs, None)

    with patch_sync_helper() as (to_update, to_remove):
        await cloud_prefs.async_update_alexa_entity_config(
            entity_id='light.kitchen', should_expose=True
        )
        await hass.async_block_till_done()
        async_fire_time_changed(hass, utcnow())
        await hass.async_block_till_done()

    assert to_update == ['light.kitchen']
    assert to_remove == []

    with patch_sync_helper() as (to_update, to_remove):
        await cloud_prefs.async_update_alexa_entity_config(
            entity_id='light.kitchen', should_expose=False
        )
        await cloud_prefs.async_update_alexa_entity_config(
            entity_id='binary_sensor.door', should_expose=True
        )
        await cloud_prefs.async_update_alexa_entity_config(
            entity_id='sensor.temp', should_expose=True
        )
        await hass.async_block_till_done()
        async_fire_time_changed(hass, utcnow())
        await hass.async_block_till_done()

    assert sorted(to_update) == ['binary_sensor.door', 'sensor.temp']
    assert to_remove == ['light.kitchen']


async def test_alexa_entity_registry_sync(hass, mock_cloud_login, cloud_prefs):
    """Test Alexa config responds to entity registry."""
    alexa_config.AlexaConfig(
        hass, ALEXA_SCHEMA({}), cloud_prefs, hass.data['cloud'])

    with patch_sync_helper() as (to_update, to_remove):
        hass.bus.async_fire(EVENT_ENTITY_REGISTRY_UPDATED, {
            'action': 'create',
            'entity_id': 'light.kitchen',
        })
        await hass.async_block_till_done()

    assert to_update == ['light.kitchen']
    assert to_remove == []

    with patch_sync_helper() as (to_update, to_remove):
        hass.bus.async_fire(EVENT_ENTITY_REGISTRY_UPDATED, {
            'action': 'remove',
            'entity_id': 'light.kitchen',
        })
        await hass.async_block_till_done()

    assert to_update == []
    assert to_remove == ['light.kitchen']

    with patch_sync_helper() as (to_update, to_remove):
        hass.bus.async_fire(EVENT_ENTITY_REGISTRY_UPDATED, {
            'action': 'update',
            'entity_id': 'light.kitchen',
        })
        await hass.async_block_till_done()

    assert to_update == []
    assert to_remove == []


async def test_alexa_update_report_state(hass, cloud_prefs):
    """Test Alexa config responds to reporting state."""
    alexa_config.AlexaConfig(hass, ALEXA_SCHEMA({}), cloud_prefs, None)

    with patch(
        'homeassistant.components.cloud.alexa_config.AlexaConfig.'
        'async_sync_entities', side_effect=mock_coro) as mock_sync, patch(
            'homeassistant.components.cloud.alexa_config.'
            'AlexaConfig.async_enable_proactive_mode', side_effect=mock_coro):
        await cloud_prefs.async_update(alexa_report_state=True)
        await hass.async_block_till_done()

    assert len(mock_sync.mock_calls) == 1