"""The tests for the Tasmota sensor platform."""
import copy
import json

from hatasmota.utils import (
    get_topic_stat_status,
    get_topic_tele_sensor,
    get_topic_tele_will,
)

from homeassistant.components import sensor
from homeassistant.components.tasmota.const import DEFAULT_PREFIX
from homeassistant.const import ATTR_ASSUMED_STATE, STATE_UNKNOWN

from .test_common import (
    DEFAULT_CONFIG,
    help_test_availability,
    help_test_availability_discovery_update,
    help_test_availability_poll_state,
    help_test_availability_when_connection_lost,
    help_test_discovery_device_remove,
    help_test_discovery_removal,
    help_test_discovery_update_unchanged,
    help_test_entity_id_update_discovery_update,
    help_test_entity_id_update_subscriptions,
)

from tests.async_mock import patch
from tests.common import async_fire_mqtt_message

DEFAULT_SENSOR_CONFIG = {
    "sn": {
        "Time": "2020-09-25T12:47:15",
        "DHT11": {"Temperature": None},
        "TempUnit": "C",
    }
}


async def test_controlling_state_via_mqtt(hass, mqtt_mock, setup_tasmota):
    """Test state update via MQTT."""
    config = copy.deepcopy(DEFAULT_CONFIG)
    sensor_config = copy.deepcopy(DEFAULT_SENSOR_CONFIG)
    mac = config["mac"]

    async_fire_mqtt_message(
        hass,
        f"{DEFAULT_PREFIX}/{mac}/config",
        json.dumps(config),
    )
    await hass.async_block_till_done()
    async_fire_mqtt_message(
        hass,
        f"{DEFAULT_PREFIX}/{mac}/sensors",
        json.dumps(sensor_config),
    )
    await hass.async_block_till_done()

    state = hass.states.get("sensor.dht11_temperature")
    assert state.state == "unavailable"
    assert not state.attributes.get(ATTR_ASSUMED_STATE)

    async_fire_mqtt_message(hass, "tasmota_49A3BC/tele/LWT", "Online")
    state = hass.states.get("sensor.dht11_temperature")
    assert state.state == STATE_UNKNOWN
    assert not state.attributes.get(ATTR_ASSUMED_STATE)

    # Test periodic state update
    async_fire_mqtt_message(
        hass, "tasmota_49A3BC/tele/SENSOR", '{"DHT11":{"Temperature":20.5}}'
    )
    state = hass.states.get("sensor.dht11_temperature")
    assert state.state == "20.5"

    # Test polled state update
    async_fire_mqtt_message(
        hass,
        "tasmota_49A3BC/stat/STATUS8",
        '{"StatusSNS":{"DHT11":{"Temperature":20.0}}}',
    )
    state = hass.states.get("sensor.dht11_temperature")
    assert state.state == "20.0"


async def test_attributes(hass, mqtt_mock, setup_tasmota):
    """Test correct attributes for sensors."""
    config = copy.deepcopy(DEFAULT_CONFIG)
    sensor_config = {
        "sn": {
            "DHT11": {"Temperature": None},
            "Beer": {"CarbonDioxide": None},
            "TempUnit": "C",
        }
    }
    mac = config["mac"]

    async_fire_mqtt_message(
        hass,
        f"{DEFAULT_PREFIX}/{mac}/config",
        json.dumps(config),
    )
    await hass.async_block_till_done()
    async_fire_mqtt_message(
        hass,
        f"{DEFAULT_PREFIX}/{mac}/sensors",
        json.dumps(sensor_config),
    )
    await hass.async_block_till_done()

    state = hass.states.get("sensor.dht11_temperature")
    assert state.attributes.get("device_class") == "temperature"
    assert state.attributes.get("friendly_name") == "DHT11 Temperature"
    assert state.attributes.get("icon") is None
    assert state.attributes.get("unit_of_measurement") == "C"

    state = hass.states.get("sensor.beer_CarbonDioxide")
    assert state.attributes.get("device_class") is None
    assert state.attributes.get("friendly_name") == "Beer CarbonDioxide"
    assert state.attributes.get("icon") == "mdi:molecule-co2"
    assert state.attributes.get("unit_of_measurement") == "ppm"


async def test_availability_when_connection_lost(
    hass, mqtt_client_mock, mqtt_mock, setup_tasmota
):
    """Test availability after MQTT disconnection."""
    config = copy.deepcopy(DEFAULT_CONFIG)
    sensor_config = copy.deepcopy(DEFAULT_SENSOR_CONFIG)
    await help_test_availability_when_connection_lost(
        hass,
        mqtt_client_mock,
        mqtt_mock,
        sensor.DOMAIN,
        config,
        sensor_config,
        "dht11_temperature",
    )


async def test_availability(hass, mqtt_mock, setup_tasmota):
    """Test availability."""
    config = copy.deepcopy(DEFAULT_CONFIG)
    sensor_config = copy.deepcopy(DEFAULT_SENSOR_CONFIG)
    await help_test_availability(
        hass, mqtt_mock, sensor.DOMAIN, config, sensor_config, "dht11_temperature"
    )


async def test_availability_discovery_update(hass, mqtt_mock, setup_tasmota):
    """Test availability discovery update."""
    config = copy.deepcopy(DEFAULT_CONFIG)
    sensor_config = copy.deepcopy(DEFAULT_SENSOR_CONFIG)
    await help_test_availability_discovery_update(
        hass, mqtt_mock, sensor.DOMAIN, config, sensor_config, "dht11_temperature"
    )


async def test_availability_poll_state(
    hass, mqtt_client_mock, mqtt_mock, setup_tasmota
):
    """Test polling after MQTT connection (re)established."""
    config = copy.deepcopy(DEFAULT_CONFIG)
    sensor_config = copy.deepcopy(DEFAULT_SENSOR_CONFIG)
    poll_topic = "tasmota_49A3BC/cmnd/STATUS"
    await help_test_availability_poll_state(
        hass,
        mqtt_client_mock,
        mqtt_mock,
        sensor.DOMAIN,
        config,
        poll_topic,
        "8",
        sensor_config,
    )


async def test_discovery_removal_sensor(hass, mqtt_mock, caplog, setup_tasmota):
    """Test removal of discovered sensor."""
    config = copy.deepcopy(DEFAULT_CONFIG)
    sensor_config1 = copy.deepcopy(DEFAULT_SENSOR_CONFIG)

    await help_test_discovery_removal(
        hass,
        mqtt_mock,
        caplog,
        sensor.DOMAIN,
        config,
        config,
        sensor_config1,
        {},
        "dht11_temperature",
        "DHT11 Temperature",
    )


async def test_discovery_update_unchanged_sensor(
    hass, mqtt_mock, caplog, setup_tasmota
):
    """Test update of discovered sensor."""
    config = copy.deepcopy(DEFAULT_CONFIG)
    sensor_config = copy.deepcopy(DEFAULT_SENSOR_CONFIG)
    with patch(
        "homeassistant.components.tasmota.sensor.TasmotaSensor.discovery_update"
    ) as discovery_update:
        await help_test_discovery_update_unchanged(
            hass,
            mqtt_mock,
            caplog,
            sensor.DOMAIN,
            config,
            discovery_update,
            sensor_config,
            "dht11_temperature",
            "DHT11 Temperature",
        )


async def test_discovery_device_remove(hass, mqtt_mock, setup_tasmota):
    """Test device registry remove."""
    config = copy.deepcopy(DEFAULT_CONFIG)
    sensor_config = copy.deepcopy(DEFAULT_SENSOR_CONFIG)
    unique_id = f"{DEFAULT_CONFIG['mac']}_sensor_sensor_DHT11_Temperature"
    await help_test_discovery_device_remove(
        hass, mqtt_mock, sensor.DOMAIN, unique_id, config, sensor_config
    )


async def test_entity_id_update_subscriptions(hass, mqtt_mock, setup_tasmota):
    """Test MQTT subscriptions are managed when entity_id is updated."""
    config = copy.deepcopy(DEFAULT_CONFIG)
    sensor_config = copy.deepcopy(DEFAULT_SENSOR_CONFIG)
    topics = [
        get_topic_tele_sensor(config),
        get_topic_stat_status(config, 8),
        get_topic_tele_will(config),
    ]
    await help_test_entity_id_update_subscriptions(
        hass,
        mqtt_mock,
        sensor.DOMAIN,
        config,
        topics,
        sensor_config,
        "dht11_temperature",
    )


async def test_entity_id_update_discovery_update(hass, mqtt_mock, setup_tasmota):
    """Test MQTT discovery update when entity_id is updated."""
    config = copy.deepcopy(DEFAULT_CONFIG)
    sensor_config = copy.deepcopy(DEFAULT_SENSOR_CONFIG)
    await help_test_entity_id_update_discovery_update(
        hass, mqtt_mock, sensor.DOMAIN, config, sensor_config, "dht11_temperature"
    )