"""Support for MQTT climate devices."""
from __future__ import annotations

from abc import ABC, abstractmethod
from collections.abc import Callable
import functools
import logging
from typing import Any

import voluptuous as vol

from homeassistant.components import climate
from homeassistant.components.climate import (
    ATTR_HVAC_MODE,
    ATTR_TARGET_TEMP_HIGH,
    ATTR_TARGET_TEMP_LOW,
    DEFAULT_MAX_HUMIDITY,
    DEFAULT_MIN_HUMIDITY,
    FAN_AUTO,
    FAN_HIGH,
    FAN_LOW,
    FAN_MEDIUM,
    PRESET_NONE,
    SWING_OFF,
    SWING_ON,
    ClimateEntity,
    ClimateEntityFeature,
    HVACAction,
    HVACMode,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import (
    ATTR_TEMPERATURE,
    CONF_NAME,
    CONF_OPTIMISTIC,
    CONF_PAYLOAD_OFF,
    CONF_PAYLOAD_ON,
    CONF_TEMPERATURE_UNIT,
    CONF_VALUE_TEMPLATE,
    PRECISION_HALVES,
    PRECISION_TENTHS,
    PRECISION_WHOLE,
    UnitOfTemperature,
)
from homeassistant.core import HomeAssistant, callback
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.issue_registry import IssueSeverity, async_create_issue
from homeassistant.helpers.template import Template
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
from homeassistant.util.unit_conversion import TemperatureConverter

from . import subscription
from .config import DEFAULT_RETAIN, MQTT_BASE_SCHEMA
from .const import (
    CONF_ACTION_TEMPLATE,
    CONF_ACTION_TOPIC,
    CONF_CURRENT_HUMIDITY_TEMPLATE,
    CONF_CURRENT_HUMIDITY_TOPIC,
    CONF_CURRENT_TEMP_TEMPLATE,
    CONF_CURRENT_TEMP_TOPIC,
    CONF_ENCODING,
    CONF_MODE_COMMAND_TEMPLATE,
    CONF_MODE_COMMAND_TOPIC,
    CONF_MODE_LIST,
    CONF_MODE_STATE_TEMPLATE,
    CONF_MODE_STATE_TOPIC,
    CONF_POWER_COMMAND_TEMPLATE,
    CONF_POWER_COMMAND_TOPIC,
    CONF_PRECISION,
    CONF_QOS,
    CONF_RETAIN,
    CONF_TEMP_COMMAND_TEMPLATE,
    CONF_TEMP_COMMAND_TOPIC,
    CONF_TEMP_INITIAL,
    CONF_TEMP_MAX,
    CONF_TEMP_MIN,
    CONF_TEMP_STATE_TEMPLATE,
    CONF_TEMP_STATE_TOPIC,
    DEFAULT_OPTIMISTIC,
    DOMAIN,
    PAYLOAD_NONE,
)
from .debug_info import log_messages
from .mixins import (
    MQTT_ENTITY_COMMON_SCHEMA,
    MqttEntity,
    async_setup_entry_helper,
    write_state_on_attr_change,
)
from .models import (
    MqttCommandTemplate,
    MqttValueTemplate,
    PublishPayloadType,
    ReceiveMessage,
    ReceivePayloadType,
)
from .util import valid_publish_topic, valid_subscribe_topic

_LOGGER = logging.getLogger(__name__)

MQTT_CLIMATE_AUX_DOCS = "https://www.home-assistant.io/integrations/climate.mqtt/"

DEFAULT_NAME = "MQTT HVAC"

# Options CONF_AUX_COMMAND_TOPIC, CONF_AUX_STATE_TOPIC
# and CONF_AUX_STATE_TEMPLATE were deprecated in HA Core 2023.9
# Support will be removed in HA Core 2024.3
CONF_AUX_COMMAND_TOPIC = "aux_command_topic"
CONF_AUX_STATE_TEMPLATE = "aux_state_template"
CONF_AUX_STATE_TOPIC = "aux_state_topic"

CONF_FAN_MODE_COMMAND_TEMPLATE = "fan_mode_command_template"
CONF_FAN_MODE_COMMAND_TOPIC = "fan_mode_command_topic"
CONF_FAN_MODE_LIST = "fan_modes"
CONF_FAN_MODE_STATE_TEMPLATE = "fan_mode_state_template"
CONF_FAN_MODE_STATE_TOPIC = "fan_mode_state_topic"

CONF_HUMIDITY_COMMAND_TEMPLATE = "target_humidity_command_template"
CONF_HUMIDITY_COMMAND_TOPIC = "target_humidity_command_topic"
CONF_HUMIDITY_STATE_TEMPLATE = "target_humidity_state_template"
CONF_HUMIDITY_STATE_TOPIC = "target_humidity_state_topic"
CONF_HUMIDITY_MAX = "max_humidity"
CONF_HUMIDITY_MIN = "min_humidity"

# Support for CONF_POWER_STATE_TOPIC and CONF_POWER_STATE_TEMPLATE
# was removed in HA Core 2023.8
CONF_POWER_STATE_TEMPLATE = "power_state_template"
CONF_POWER_STATE_TOPIC = "power_state_topic"
CONF_PRESET_MODE_STATE_TOPIC = "preset_mode_state_topic"
CONF_PRESET_MODE_COMMAND_TOPIC = "preset_mode_command_topic"
CONF_PRESET_MODE_VALUE_TEMPLATE = "preset_mode_value_template"
CONF_PRESET_MODE_COMMAND_TEMPLATE = "preset_mode_command_template"
CONF_PRESET_MODES_LIST = "preset_modes"
CONF_SWING_MODE_COMMAND_TEMPLATE = "swing_mode_command_template"
CONF_SWING_MODE_COMMAND_TOPIC = "swing_mode_command_topic"
CONF_SWING_MODE_LIST = "swing_modes"
CONF_SWING_MODE_STATE_TEMPLATE = "swing_mode_state_template"
CONF_SWING_MODE_STATE_TOPIC = "swing_mode_state_topic"
CONF_TEMP_HIGH_COMMAND_TEMPLATE = "temperature_high_command_template"
CONF_TEMP_HIGH_COMMAND_TOPIC = "temperature_high_command_topic"
CONF_TEMP_HIGH_STATE_TEMPLATE = "temperature_high_state_template"
CONF_TEMP_HIGH_STATE_TOPIC = "temperature_high_state_topic"
CONF_TEMP_LOW_COMMAND_TEMPLATE = "temperature_low_command_template"
CONF_TEMP_LOW_COMMAND_TOPIC = "temperature_low_command_topic"
CONF_TEMP_LOW_STATE_TEMPLATE = "temperature_low_state_template"
CONF_TEMP_LOW_STATE_TOPIC = "temperature_low_state_topic"
CONF_TEMP_STEP = "temp_step"

DEFAULT_INITIAL_TEMPERATURE = 21.0

MQTT_CLIMATE_ATTRIBUTES_BLOCKED = frozenset(
    {
        climate.ATTR_AUX_HEAT,
        climate.ATTR_CURRENT_HUMIDITY,
        climate.ATTR_CURRENT_TEMPERATURE,
        climate.ATTR_FAN_MODE,
        climate.ATTR_FAN_MODES,
        climate.ATTR_HUMIDITY,
        climate.ATTR_HVAC_ACTION,
        climate.ATTR_HVAC_MODES,
        climate.ATTR_MAX_HUMIDITY,
        climate.ATTR_MAX_TEMP,
        climate.ATTR_MIN_HUMIDITY,
        climate.ATTR_MIN_TEMP,
        climate.ATTR_PRESET_MODE,
        climate.ATTR_PRESET_MODES,
        climate.ATTR_SWING_MODE,
        climate.ATTR_SWING_MODES,
        climate.ATTR_TARGET_TEMP_HIGH,
        climate.ATTR_TARGET_TEMP_LOW,
        climate.ATTR_TARGET_TEMP_STEP,
        climate.ATTR_TEMPERATURE,
    }
)

VALUE_TEMPLATE_KEYS = (
    CONF_AUX_STATE_TEMPLATE,
    CONF_CURRENT_HUMIDITY_TEMPLATE,
    CONF_CURRENT_TEMP_TEMPLATE,
    CONF_FAN_MODE_STATE_TEMPLATE,
    CONF_HUMIDITY_STATE_TEMPLATE,
    CONF_MODE_STATE_TEMPLATE,
    CONF_POWER_STATE_TEMPLATE,
    CONF_ACTION_TEMPLATE,
    CONF_PRESET_MODE_VALUE_TEMPLATE,
    CONF_SWING_MODE_STATE_TEMPLATE,
    CONF_TEMP_HIGH_STATE_TEMPLATE,
    CONF_TEMP_LOW_STATE_TEMPLATE,
    CONF_TEMP_STATE_TEMPLATE,
)

COMMAND_TEMPLATE_KEYS = {
    CONF_FAN_MODE_COMMAND_TEMPLATE,
    CONF_HUMIDITY_COMMAND_TEMPLATE,
    CONF_MODE_COMMAND_TEMPLATE,
    CONF_POWER_COMMAND_TEMPLATE,
    CONF_PRESET_MODE_COMMAND_TEMPLATE,
    CONF_SWING_MODE_COMMAND_TEMPLATE,
    CONF_TEMP_COMMAND_TEMPLATE,
    CONF_TEMP_HIGH_COMMAND_TEMPLATE,
    CONF_TEMP_LOW_COMMAND_TEMPLATE,
}


TOPIC_KEYS = (
    CONF_ACTION_TOPIC,
    CONF_AUX_COMMAND_TOPIC,
    CONF_AUX_STATE_TOPIC,
    CONF_CURRENT_HUMIDITY_TOPIC,
    CONF_CURRENT_TEMP_TOPIC,
    CONF_FAN_MODE_COMMAND_TOPIC,
    CONF_FAN_MODE_STATE_TOPIC,
    CONF_HUMIDITY_COMMAND_TOPIC,
    CONF_HUMIDITY_STATE_TOPIC,
    CONF_MODE_COMMAND_TOPIC,
    CONF_MODE_STATE_TOPIC,
    CONF_POWER_COMMAND_TOPIC,
    CONF_POWER_STATE_TOPIC,
    CONF_PRESET_MODE_COMMAND_TOPIC,
    CONF_PRESET_MODE_STATE_TOPIC,
    CONF_SWING_MODE_COMMAND_TOPIC,
    CONF_SWING_MODE_STATE_TOPIC,
    CONF_TEMP_COMMAND_TOPIC,
    CONF_TEMP_HIGH_COMMAND_TOPIC,
    CONF_TEMP_HIGH_STATE_TOPIC,
    CONF_TEMP_LOW_COMMAND_TOPIC,
    CONF_TEMP_LOW_STATE_TOPIC,
    CONF_TEMP_STATE_TOPIC,
)


def valid_preset_mode_configuration(config: ConfigType) -> ConfigType:
    """Validate that the preset mode reset payload is not one of the preset modes."""
    if PRESET_NONE in config[CONF_PRESET_MODES_LIST]:
        raise ValueError("preset_modes must not include preset mode 'none'")
    return config


def valid_humidity_range_configuration(config: ConfigType) -> ConfigType:
    """Validate a target_humidity range configuration, throws otherwise."""
    if config[CONF_HUMIDITY_MIN] >= config[CONF_HUMIDITY_MAX]:
        raise ValueError("target_humidity_max must be > target_humidity_min")
    if config[CONF_HUMIDITY_MAX] > 100:
        raise ValueError("max_humidity must be <= 100")

    return config


def valid_humidity_state_configuration(config: ConfigType) -> ConfigType:
    """Validate humidity state.

    Ensure that if CONF_HUMIDITY_STATE_TOPIC is set then
    CONF_HUMIDITY_COMMAND_TOPIC is also set.
    """
    if (
        CONF_HUMIDITY_STATE_TOPIC in config
        and CONF_HUMIDITY_COMMAND_TOPIC not in config
    ):
        raise ValueError(
            f"{CONF_HUMIDITY_STATE_TOPIC} cannot be used without"
            f" {CONF_HUMIDITY_COMMAND_TOPIC}"
        )

    return config


_PLATFORM_SCHEMA_BASE = MQTT_BASE_SCHEMA.extend(
    {
        # Options CONF_AUX_COMMAND_TOPIC, CONF_AUX_STATE_TOPIC
        # and CONF_AUX_STATE_TEMPLATE were deprecated in HA Core 2023.9
        # Support will be removed in HA Core 2024.3
        vol.Optional(CONF_AUX_COMMAND_TOPIC): valid_publish_topic,
        vol.Optional(CONF_AUX_STATE_TEMPLATE): cv.template,
        vol.Optional(CONF_AUX_STATE_TOPIC): valid_subscribe_topic,
        vol.Optional(CONF_CURRENT_HUMIDITY_TEMPLATE): cv.template,
        vol.Optional(CONF_CURRENT_HUMIDITY_TOPIC): valid_subscribe_topic,
        vol.Optional(CONF_CURRENT_TEMP_TEMPLATE): cv.template,
        vol.Optional(CONF_CURRENT_TEMP_TOPIC): valid_subscribe_topic,
        vol.Optional(CONF_FAN_MODE_COMMAND_TEMPLATE): cv.template,
        vol.Optional(CONF_FAN_MODE_COMMAND_TOPIC): valid_publish_topic,
        vol.Optional(
            CONF_FAN_MODE_LIST,
            default=[FAN_AUTO, FAN_LOW, FAN_MEDIUM, FAN_HIGH],
        ): cv.ensure_list,
        vol.Optional(CONF_FAN_MODE_STATE_TEMPLATE): cv.template,
        vol.Optional(CONF_FAN_MODE_STATE_TOPIC): valid_subscribe_topic,
        vol.Optional(CONF_HUMIDITY_COMMAND_TEMPLATE): cv.template,
        vol.Optional(CONF_HUMIDITY_COMMAND_TOPIC): valid_publish_topic,
        vol.Optional(CONF_HUMIDITY_MIN, default=DEFAULT_MIN_HUMIDITY): vol.Coerce(
            float
        ),
        vol.Optional(CONF_HUMIDITY_MAX, default=DEFAULT_MAX_HUMIDITY): vol.Coerce(
            float
        ),
        vol.Optional(CONF_HUMIDITY_STATE_TEMPLATE): cv.template,
        vol.Optional(CONF_HUMIDITY_STATE_TOPIC): valid_subscribe_topic,
        vol.Optional(CONF_MODE_COMMAND_TEMPLATE): cv.template,
        vol.Optional(CONF_MODE_COMMAND_TOPIC): valid_publish_topic,
        vol.Optional(
            CONF_MODE_LIST,
            default=[
                HVACMode.AUTO,
                HVACMode.OFF,
                HVACMode.COOL,
                HVACMode.HEAT,
                HVACMode.DRY,
                HVACMode.FAN_ONLY,
            ],
        ): cv.ensure_list,
        vol.Optional(CONF_MODE_STATE_TEMPLATE): cv.template,
        vol.Optional(CONF_MODE_STATE_TOPIC): valid_subscribe_topic,
        vol.Optional(CONF_NAME): vol.Any(cv.string, None),
        vol.Optional(CONF_OPTIMISTIC, default=DEFAULT_OPTIMISTIC): cv.boolean,
        vol.Optional(CONF_PAYLOAD_ON, default="ON"): cv.string,
        vol.Optional(CONF_PAYLOAD_OFF, default="OFF"): cv.string,
        vol.Optional(CONF_POWER_COMMAND_TOPIC): valid_publish_topic,
        vol.Optional(CONF_POWER_COMMAND_TEMPLATE): cv.template,
        vol.Optional(CONF_POWER_STATE_TEMPLATE): cv.template,
        vol.Optional(CONF_POWER_STATE_TOPIC): valid_subscribe_topic,
        vol.Optional(CONF_PRECISION): vol.In(
            [PRECISION_TENTHS, PRECISION_HALVES, PRECISION_WHOLE]
        ),
        vol.Optional(CONF_RETAIN, default=DEFAULT_RETAIN): cv.boolean,
        vol.Optional(CONF_ACTION_TEMPLATE): cv.template,
        vol.Optional(CONF_ACTION_TOPIC): valid_subscribe_topic,
        # CONF_PRESET_MODE_COMMAND_TOPIC and CONF_PRESET_MODES_LIST
        # must be used together
        vol.Inclusive(
            CONF_PRESET_MODE_COMMAND_TOPIC, "preset_modes"
        ): valid_publish_topic,
        vol.Inclusive(
            CONF_PRESET_MODES_LIST, "preset_modes", default=[]
        ): cv.ensure_list,
        vol.Optional(CONF_PRESET_MODE_COMMAND_TEMPLATE): cv.template,
        vol.Optional(CONF_PRESET_MODE_STATE_TOPIC): valid_subscribe_topic,
        vol.Optional(CONF_PRESET_MODE_VALUE_TEMPLATE): cv.template,
        vol.Optional(CONF_SWING_MODE_COMMAND_TEMPLATE): cv.template,
        vol.Optional(CONF_SWING_MODE_COMMAND_TOPIC): valid_publish_topic,
        vol.Optional(
            CONF_SWING_MODE_LIST, default=[SWING_ON, SWING_OFF]
        ): cv.ensure_list,
        vol.Optional(CONF_SWING_MODE_STATE_TEMPLATE): cv.template,
        vol.Optional(CONF_SWING_MODE_STATE_TOPIC): valid_subscribe_topic,
        vol.Optional(CONF_TEMP_INITIAL): vol.All(vol.Coerce(float)),
        vol.Optional(CONF_TEMP_MIN): vol.Coerce(float),
        vol.Optional(CONF_TEMP_MAX): vol.Coerce(float),
        vol.Optional(CONF_TEMP_STEP, default=1.0): vol.Coerce(float),
        vol.Optional(CONF_TEMP_COMMAND_TEMPLATE): cv.template,
        vol.Optional(CONF_TEMP_COMMAND_TOPIC): valid_publish_topic,
        vol.Optional(CONF_TEMP_HIGH_COMMAND_TEMPLATE): cv.template,
        vol.Optional(CONF_TEMP_HIGH_COMMAND_TOPIC): valid_publish_topic,
        vol.Optional(CONF_TEMP_HIGH_STATE_TOPIC): valid_subscribe_topic,
        vol.Optional(CONF_TEMP_HIGH_STATE_TEMPLATE): cv.template,
        vol.Optional(CONF_TEMP_LOW_COMMAND_TEMPLATE): cv.template,
        vol.Optional(CONF_TEMP_LOW_COMMAND_TOPIC): valid_publish_topic,
        vol.Optional(CONF_TEMP_LOW_STATE_TEMPLATE): cv.template,
        vol.Optional(CONF_TEMP_LOW_STATE_TOPIC): valid_subscribe_topic,
        vol.Optional(CONF_TEMP_STATE_TEMPLATE): cv.template,
        vol.Optional(CONF_TEMP_STATE_TOPIC): valid_subscribe_topic,
        vol.Optional(CONF_TEMPERATURE_UNIT): cv.temperature_unit,
        vol.Optional(CONF_VALUE_TEMPLATE): cv.template,
    }
).extend(MQTT_ENTITY_COMMON_SCHEMA.schema)

PLATFORM_SCHEMA_MODERN = vol.All(
    # Support for CONF_POWER_STATE_TOPIC and CONF_POWER_STATE_TEMPLATE
    # was removed in HA Core 2023.8
    cv.removed(CONF_POWER_STATE_TEMPLATE),
    cv.removed(CONF_POWER_STATE_TOPIC),
    # Options CONF_AUX_COMMAND_TOPIC, CONF_AUX_STATE_TOPIC
    # and CONF_AUX_STATE_TEMPLATE were deprecated in HA Core 2023.9
    # Support will be removed in HA Core 2024.3
    cv.deprecated(CONF_AUX_COMMAND_TOPIC),
    cv.deprecated(CONF_AUX_STATE_TEMPLATE),
    cv.deprecated(CONF_AUX_STATE_TOPIC),
    _PLATFORM_SCHEMA_BASE,
    valid_preset_mode_configuration,
    valid_humidity_range_configuration,
    valid_humidity_state_configuration,
)

_DISCOVERY_SCHEMA_BASE = _PLATFORM_SCHEMA_BASE.extend({}, extra=vol.REMOVE_EXTRA)

DISCOVERY_SCHEMA = vol.All(
    _DISCOVERY_SCHEMA_BASE,
    # Support for CONF_POWER_STATE_TOPIC and CONF_POWER_STATE_TEMPLATE
    # was removed in HA Core 2023.8
    cv.removed(CONF_POWER_STATE_TEMPLATE),
    cv.removed(CONF_POWER_STATE_TOPIC),
    valid_preset_mode_configuration,
    valid_humidity_range_configuration,
    valid_humidity_state_configuration,
)


async def async_setup_entry(
    hass: HomeAssistant,
    config_entry: ConfigEntry,
    async_add_entities: AddEntitiesCallback,
) -> None:
    """Set up MQTT climate device through YAML and through MQTT discovery."""
    setup = functools.partial(
        _async_setup_entity, hass, async_add_entities, config_entry=config_entry
    )
    await async_setup_entry_helper(hass, climate.DOMAIN, setup, DISCOVERY_SCHEMA)


async def _async_setup_entity(
    hass: HomeAssistant,
    async_add_entities: AddEntitiesCallback,
    config: ConfigType,
    config_entry: ConfigEntry,
    discovery_data: DiscoveryInfoType | None = None,
) -> None:
    """Set up the MQTT climate devices."""
    async_add_entities([MqttClimate(hass, config, config_entry, discovery_data)])


class MqttTemperatureControlEntity(MqttEntity, ABC):
    """Helper entity class to control temperature.

    MqttTemperatureControlEntity supports shared methods for
    climate and water_heater platforms.
    """

    _attr_target_temperature_low: float | None = None
    _attr_target_temperature_high: float | None = None

    _feature_preset_mode: bool = False
    _optimistic: bool
    _topic: dict[str, Any]

    _command_templates: dict[str, Callable[[PublishPayloadType], PublishPayloadType]]
    _value_templates: dict[str, Callable[[ReceivePayloadType], ReceivePayloadType]]

    def add_subscription(
        self,
        topics: dict[str, dict[str, Any]],
        topic: str,
        msg_callback: Callable[[ReceiveMessage], None],
    ) -> None:
        """Add a subscription."""
        qos: int = self._config[CONF_QOS]
        if topic in self._topic and self._topic[topic] is not None:
            topics[topic] = {
                "topic": self._topic[topic],
                "msg_callback": msg_callback,
                "qos": qos,
                "encoding": self._config[CONF_ENCODING] or None,
            }

    def render_template(
        self, msg: ReceiveMessage, template_name: str
    ) -> ReceivePayloadType:
        """Render a template by name."""
        template = self._value_templates[template_name]
        return template(msg.payload)

    @callback
    def handle_climate_attribute_received(
        self, msg: ReceiveMessage, template_name: str, attr: str
    ) -> None:
        """Handle climate attributes coming via MQTT."""
        payload = self.render_template(msg, template_name)
        if not payload:
            _LOGGER.debug(
                "Invalid empty payload for attribute %s, ignoring update",
                attr,
            )
            return
        if payload == PAYLOAD_NONE:
            setattr(self, attr, None)
            return
        try:
            setattr(self, attr, float(payload))
        except ValueError:
            _LOGGER.error("Could not parse %s from %s", template_name, payload)

    def prepare_subscribe_topics(
        self, topics: dict[str, dict[str, Any]]
    ) -> None:  # noqa: C901
        """(Re)Subscribe to topics."""

        @callback
        @log_messages(self.hass, self.entity_id)
        @write_state_on_attr_change(self, {"_attr_current_temperature"})
        def handle_current_temperature_received(msg: ReceiveMessage) -> None:
            """Handle current temperature coming via MQTT."""
            self.handle_climate_attribute_received(
                msg, CONF_CURRENT_TEMP_TEMPLATE, "_attr_current_temperature"
            )

        self.add_subscription(
            topics, CONF_CURRENT_TEMP_TOPIC, handle_current_temperature_received
        )

        @callback
        @log_messages(self.hass, self.entity_id)
        @write_state_on_attr_change(self, {"_attr_target_temperature"})
        def handle_target_temperature_received(msg: ReceiveMessage) -> None:
            """Handle target temperature coming via MQTT."""
            self.handle_climate_attribute_received(
                msg, CONF_TEMP_STATE_TEMPLATE, "_attr_target_temperature"
            )

        self.add_subscription(
            topics, CONF_TEMP_STATE_TOPIC, handle_target_temperature_received
        )

        @callback
        @log_messages(self.hass, self.entity_id)
        @write_state_on_attr_change(self, {"_attr_target_temperature_low"})
        def handle_temperature_low_received(msg: ReceiveMessage) -> None:
            """Handle target temperature low coming via MQTT."""
            self.handle_climate_attribute_received(
                msg, CONF_TEMP_LOW_STATE_TEMPLATE, "_attr_target_temperature_low"
            )

        self.add_subscription(
            topics, CONF_TEMP_LOW_STATE_TOPIC, handle_temperature_low_received
        )

        @callback
        @log_messages(self.hass, self.entity_id)
        @write_state_on_attr_change(self, {"_attr_target_temperature_high"})
        def handle_temperature_high_received(msg: ReceiveMessage) -> None:
            """Handle target temperature high coming via MQTT."""
            self.handle_climate_attribute_received(
                msg, CONF_TEMP_HIGH_STATE_TEMPLATE, "_attr_target_temperature_high"
            )

        self.add_subscription(
            topics, CONF_TEMP_HIGH_STATE_TOPIC, handle_temperature_high_received
        )

        self._sub_state = subscription.async_prepare_subscribe_topics(
            self.hass, self._sub_state, topics
        )

    async def _subscribe_topics(self) -> None:
        """(Re)Subscribe to topics."""
        await subscription.async_subscribe_topics(self.hass, self._sub_state)

    async def _publish(self, topic: str, payload: PublishPayloadType) -> None:
        if self._topic[topic] is not None:
            await self.async_publish(
                self._topic[topic],
                payload,
                self._config[CONF_QOS],
                self._config[CONF_RETAIN],
                self._config[CONF_ENCODING],
            )

    async def _set_climate_attribute(
        self,
        temp: float | None,
        cmnd_topic: str,
        cmnd_template: str,
        state_topic: str,
        attr: str,
    ) -> bool:
        if temp is None:
            return False
        changed = False
        if self._optimistic or self._topic[state_topic] is None:
            # optimistic mode
            changed = True
            setattr(self, attr, temp)

        payload = self._command_templates[cmnd_template](temp)
        await self._publish(cmnd_topic, payload)
        return changed

    @abstractmethod
    async def async_set_temperature(self, **kwargs: Any) -> None:
        """Set new target temperatures."""
        changed = await self._set_climate_attribute(
            kwargs.get(ATTR_TEMPERATURE),
            CONF_TEMP_COMMAND_TOPIC,
            CONF_TEMP_COMMAND_TEMPLATE,
            CONF_TEMP_STATE_TOPIC,
            "_attr_target_temperature",
        )

        changed |= await self._set_climate_attribute(
            kwargs.get(ATTR_TARGET_TEMP_LOW),
            CONF_TEMP_LOW_COMMAND_TOPIC,
            CONF_TEMP_LOW_COMMAND_TEMPLATE,
            CONF_TEMP_LOW_STATE_TOPIC,
            "_attr_target_temperature_low",
        )

        changed |= await self._set_climate_attribute(
            kwargs.get(ATTR_TARGET_TEMP_HIGH),
            CONF_TEMP_HIGH_COMMAND_TOPIC,
            CONF_TEMP_HIGH_COMMAND_TEMPLATE,
            CONF_TEMP_HIGH_STATE_TOPIC,
            "_attr_target_temperature_high",
        )

        if not changed:
            return
        self.async_write_ha_state()


class MqttClimate(MqttTemperatureControlEntity, ClimateEntity):
    """Representation of an MQTT climate device."""

    _attr_fan_mode: str | None = None
    _attr_hvac_mode: HVACMode | None = None
    _attr_is_aux_heat: bool | None = None
    _attr_swing_mode: str | None = None
    _default_name = DEFAULT_NAME
    _entity_id_format = climate.ENTITY_ID_FORMAT
    _attributes_extra_blocked = MQTT_CLIMATE_ATTRIBUTES_BLOCKED

    @staticmethod
    def config_schema() -> vol.Schema:
        """Return the config schema."""
        return DISCOVERY_SCHEMA

    def _setup_from_config(self, config: ConfigType) -> None:
        """(Re)Setup the entity."""
        self._attr_hvac_modes = config[CONF_MODE_LIST]
        # Make sure the min an max temp is converted to the correct when not set
        self._attr_temperature_unit = config.get(
            CONF_TEMPERATURE_UNIT, self.hass.config.units.temperature_unit
        )
        if (min_temp := config.get(CONF_TEMP_MIN)) is not None:
            self._attr_min_temp = min_temp
        if (max_temp := config.get(CONF_TEMP_MAX)) is not None:
            self._attr_max_temp = max_temp
        self._attr_min_humidity = config[CONF_HUMIDITY_MIN]
        self._attr_max_humidity = config[CONF_HUMIDITY_MAX]
        if (precision := config.get(CONF_PRECISION)) is not None:
            self._attr_precision = precision
        self._attr_fan_modes = config[CONF_FAN_MODE_LIST]
        self._attr_swing_modes = config[CONF_SWING_MODE_LIST]
        self._attr_target_temperature_step = config[CONF_TEMP_STEP]

        self._topic = {key: config.get(key) for key in TOPIC_KEYS}

        self._optimistic = config[CONF_OPTIMISTIC]

        # Set init temp, if it is missing convert the default to the temperature units
        init_temp: float = config.get(
            CONF_TEMP_INITIAL,
            TemperatureConverter.convert(
                DEFAULT_INITIAL_TEMPERATURE,
                UnitOfTemperature.CELSIUS,
                self.temperature_unit,
            ),
        )
        if self._topic[CONF_TEMP_STATE_TOPIC] is None or self._optimistic:
            self._attr_target_temperature = init_temp
        if self._topic[CONF_TEMP_LOW_STATE_TOPIC] is None or self._optimistic:
            self._attr_target_temperature_low = init_temp
        if self._topic[CONF_TEMP_HIGH_STATE_TOPIC] is None or self._optimistic:
            self._attr_target_temperature_high = init_temp

        if self._topic[CONF_FAN_MODE_STATE_TOPIC] is None or self._optimistic:
            self._attr_fan_mode = FAN_LOW
        if self._topic[CONF_SWING_MODE_STATE_TOPIC] is None or self._optimistic:
            self._attr_swing_mode = SWING_OFF
        if self._topic[CONF_MODE_STATE_TOPIC] is None or self._optimistic:
            self._attr_hvac_mode = HVACMode.OFF
        # Options CONF_AUX_COMMAND_TOPIC, CONF_AUX_STATE_TOPIC
        # and CONF_AUX_STATE_TEMPLATE were deprecated in HA Core 2023.9
        # Support will be removed in HA Core 2024.3
        if self._topic[CONF_AUX_STATE_TOPIC] is None or self._optimistic:
            self._attr_is_aux_heat = False
        self._feature_preset_mode = CONF_PRESET_MODE_COMMAND_TOPIC in config
        if self._feature_preset_mode:
            presets = []
            presets.extend(config[CONF_PRESET_MODES_LIST])
            if presets:
                presets.insert(0, PRESET_NONE)
            self._attr_preset_modes = presets
            self._attr_preset_mode = PRESET_NONE
        else:
            self._attr_preset_modes = []
        self._optimistic_preset_mode = (
            self._optimistic or CONF_PRESET_MODE_STATE_TOPIC not in config
        )

        value_templates: dict[str, Template | None] = {}
        for key in VALUE_TEMPLATE_KEYS:
            value_templates[key] = None
        if CONF_VALUE_TEMPLATE in config:
            value_templates = {
                key: config.get(CONF_VALUE_TEMPLATE) for key in VALUE_TEMPLATE_KEYS
            }
        for key in VALUE_TEMPLATE_KEYS & config.keys():
            value_templates[key] = config[key]
        self._value_templates = {
            key: MqttValueTemplate(
                template,
                entity=self,
            ).async_render_with_possible_json_value
            for key, template in value_templates.items()
        }

        self._command_templates = {}
        for key in COMMAND_TEMPLATE_KEYS:
            self._command_templates[key] = MqttCommandTemplate(
                config.get(key), entity=self
            ).async_render

        support = ClimateEntityFeature(0)
        if (self._topic[CONF_TEMP_STATE_TOPIC] is not None) or (
            self._topic[CONF_TEMP_COMMAND_TOPIC] is not None
        ):
            support |= ClimateEntityFeature.TARGET_TEMPERATURE

        if (self._topic[CONF_TEMP_LOW_STATE_TOPIC] is not None) or (
            self._topic[CONF_TEMP_LOW_COMMAND_TOPIC] is not None
        ):
            support |= ClimateEntityFeature.TARGET_TEMPERATURE_RANGE

        if (self._topic[CONF_TEMP_HIGH_STATE_TOPIC] is not None) or (
            self._topic[CONF_TEMP_HIGH_COMMAND_TOPIC] is not None
        ):
            support |= ClimateEntityFeature.TARGET_TEMPERATURE_RANGE

        if self._topic[CONF_HUMIDITY_COMMAND_TOPIC] is not None:
            support |= ClimateEntityFeature.TARGET_HUMIDITY

        if (self._topic[CONF_FAN_MODE_STATE_TOPIC] is not None) or (
            self._topic[CONF_FAN_MODE_COMMAND_TOPIC] is not None
        ):
            support |= ClimateEntityFeature.FAN_MODE

        if (self._topic[CONF_SWING_MODE_STATE_TOPIC] is not None) or (
            self._topic[CONF_SWING_MODE_COMMAND_TOPIC] is not None
        ):
            support |= ClimateEntityFeature.SWING_MODE

        if self._feature_preset_mode:
            support |= ClimateEntityFeature.PRESET_MODE

        # Options CONF_AUX_COMMAND_TOPIC, CONF_AUX_STATE_TOPIC
        # and CONF_AUX_STATE_TEMPLATE were deprecated in HA Core 2023.9
        # Support will be removed in HA Core 2024.3
        if (self._topic[CONF_AUX_STATE_TOPIC] is not None) or (
            self._topic[CONF_AUX_COMMAND_TOPIC] is not None
        ):
            support |= ClimateEntityFeature.AUX_HEAT
        self._attr_supported_features = support

    async def mqtt_async_added_to_hass(self) -> None:
        """Handle deprecation issues."""
        if self._attr_supported_features & ClimateEntityFeature.AUX_HEAT:
            async_create_issue(
                self.hass,
                DOMAIN,
                "deprecated_climate_aux_property_{self.entity_id}",
                breaks_in_ha_version="2024.3.0",
                is_fixable=False,
                translation_key="deprecated_climate_aux_property",
                translation_placeholders={
                    "entity_id": self.entity_id,
                },
                learn_more_url=MQTT_CLIMATE_AUX_DOCS,
                severity=IssueSeverity.WARNING,
            )

    def _prepare_subscribe_topics(self) -> None:  # noqa: C901
        """(Re)Subscribe to topics."""
        topics: dict[str, dict[str, Any]] = {}

        @callback
        @log_messages(self.hass, self.entity_id)
        @write_state_on_attr_change(self, {"_attr_hvac_action"})
        def handle_action_received(msg: ReceiveMessage) -> None:
            """Handle receiving action via MQTT."""
            payload = self.render_template(msg, CONF_ACTION_TEMPLATE)
            if not payload or payload == PAYLOAD_NONE:
                _LOGGER.debug(
                    "Invalid %s action: %s, ignoring",
                    [e.value for e in HVACAction],
                    payload,
                )
                return
            try:
                self._attr_hvac_action = HVACAction(str(payload))
            except ValueError:
                _LOGGER.warning(
                    "Invalid %s action: %s",
                    [e.value for e in HVACAction],
                    payload,
                )
                return

        self.add_subscription(topics, CONF_ACTION_TOPIC, handle_action_received)

        @callback
        @log_messages(self.hass, self.entity_id)
        @write_state_on_attr_change(self, {"_attr_current_humidity"})
        def handle_current_humidity_received(msg: ReceiveMessage) -> None:
            """Handle current humidity coming via MQTT."""
            self.handle_climate_attribute_received(
                msg, CONF_CURRENT_HUMIDITY_TEMPLATE, "_attr_current_humidity"
            )

        self.add_subscription(
            topics, CONF_CURRENT_HUMIDITY_TOPIC, handle_current_humidity_received
        )

        @callback
        @write_state_on_attr_change(self, {"_attr_target_humidity"})
        @log_messages(self.hass, self.entity_id)
        def handle_target_humidity_received(msg: ReceiveMessage) -> None:
            """Handle target humidity coming via MQTT."""

            self.handle_climate_attribute_received(
                msg, CONF_HUMIDITY_STATE_TEMPLATE, "_attr_target_humidity"
            )

        self.add_subscription(
            topics, CONF_HUMIDITY_STATE_TOPIC, handle_target_humidity_received
        )

        @callback
        def handle_mode_received(
            msg: ReceiveMessage, template_name: str, attr: str, mode_list: str
        ) -> None:
            """Handle receiving listed mode via MQTT."""
            payload = self.render_template(msg, template_name)

            if payload not in self._config[mode_list]:
                _LOGGER.error("Invalid %s mode: %s", mode_list, payload)
            else:
                setattr(self, attr, payload)

        @callback
        @log_messages(self.hass, self.entity_id)
        @write_state_on_attr_change(self, {"_attr_hvac_mode"})
        def handle_current_mode_received(msg: ReceiveMessage) -> None:
            """Handle receiving mode via MQTT."""
            handle_mode_received(
                msg, CONF_MODE_STATE_TEMPLATE, "_attr_hvac_mode", CONF_MODE_LIST
            )

        self.add_subscription(
            topics, CONF_MODE_STATE_TOPIC, handle_current_mode_received
        )

        @callback
        @log_messages(self.hass, self.entity_id)
        @write_state_on_attr_change(self, {"_attr_fan_mode"})
        def handle_fan_mode_received(msg: ReceiveMessage) -> None:
            """Handle receiving fan mode via MQTT."""
            handle_mode_received(
                msg,
                CONF_FAN_MODE_STATE_TEMPLATE,
                "_attr_fan_mode",
                CONF_FAN_MODE_LIST,
            )

        self.add_subscription(
            topics, CONF_FAN_MODE_STATE_TOPIC, handle_fan_mode_received
        )

        @callback
        @log_messages(self.hass, self.entity_id)
        @write_state_on_attr_change(self, {"_attr_swing_mode"})
        def handle_swing_mode_received(msg: ReceiveMessage) -> None:
            """Handle receiving swing mode via MQTT."""
            handle_mode_received(
                msg,
                CONF_SWING_MODE_STATE_TEMPLATE,
                "_attr_swing_mode",
                CONF_SWING_MODE_LIST,
            )

        self.add_subscription(
            topics, CONF_SWING_MODE_STATE_TOPIC, handle_swing_mode_received
        )

        @callback
        def handle_onoff_mode_received(
            msg: ReceiveMessage, template_name: str, attr: str
        ) -> None:
            """Handle receiving on/off mode via MQTT."""
            payload = self.render_template(msg, template_name)
            payload_on: str = self._config[CONF_PAYLOAD_ON]
            payload_off: str = self._config[CONF_PAYLOAD_OFF]

            if payload == "True":
                payload = payload_on
            elif payload == "False":
                payload = payload_off

            if payload == payload_on:
                setattr(self, attr, True)
            elif payload == payload_off:
                setattr(self, attr, False)
            else:
                _LOGGER.error("Invalid %s mode: %s", attr, payload)

        # Options CONF_AUX_COMMAND_TOPIC, CONF_AUX_STATE_TOPIC
        # and CONF_AUX_STATE_TEMPLATE were deprecated in HA Core 2023.9
        # Support will be removed in HA Core 2024.3
        @callback
        @log_messages(self.hass, self.entity_id)
        @write_state_on_attr_change(self, {"_attr_is_aux_heat"})
        def handle_aux_mode_received(msg: ReceiveMessage) -> None:
            """Handle receiving aux mode via MQTT."""
            handle_onoff_mode_received(
                msg, CONF_AUX_STATE_TEMPLATE, "_attr_is_aux_heat"
            )

        self.add_subscription(topics, CONF_AUX_STATE_TOPIC, handle_aux_mode_received)

        @callback
        @log_messages(self.hass, self.entity_id)
        @write_state_on_attr_change(self, {"_attr_preset_mode"})
        def handle_preset_mode_received(msg: ReceiveMessage) -> None:
            """Handle receiving preset mode via MQTT."""
            preset_mode = self.render_template(msg, CONF_PRESET_MODE_VALUE_TEMPLATE)
            if preset_mode in [PRESET_NONE, PAYLOAD_NONE]:
                self._attr_preset_mode = PRESET_NONE
                return
            if not preset_mode:
                _LOGGER.debug("Ignoring empty preset_mode from '%s'", msg.topic)
                return
            if (
                not self._attr_preset_modes
                or preset_mode not in self._attr_preset_modes
            ):
                _LOGGER.warning(
                    "'%s' received on topic %s. '%s' is not a valid preset mode",
                    msg.payload,
                    msg.topic,
                    preset_mode,
                )
            else:
                self._attr_preset_mode = str(preset_mode)

        self.add_subscription(
            topics, CONF_PRESET_MODE_STATE_TOPIC, handle_preset_mode_received
        )

        self.prepare_subscribe_topics(topics)

    async def async_set_temperature(self, **kwargs: Any) -> None:
        """Set new target temperatures."""
        operation_mode: HVACMode | None
        if (operation_mode := kwargs.get(ATTR_HVAC_MODE)) is not None:
            await self.async_set_hvac_mode(operation_mode)
        await super().async_set_temperature(**kwargs)

    async def async_set_humidity(self, humidity: int) -> None:
        """Set new target humidity."""

        await self._set_climate_attribute(
            humidity,
            CONF_HUMIDITY_COMMAND_TOPIC,
            CONF_HUMIDITY_COMMAND_TEMPLATE,
            CONF_HUMIDITY_STATE_TOPIC,
            "_attr_target_humidity",
        )

        self.async_write_ha_state()

    async def async_set_swing_mode(self, swing_mode: str) -> None:
        """Set new swing mode."""
        payload = self._command_templates[CONF_SWING_MODE_COMMAND_TEMPLATE](swing_mode)
        await self._publish(CONF_SWING_MODE_COMMAND_TOPIC, payload)

        if self._optimistic or self._topic[CONF_SWING_MODE_STATE_TOPIC] is None:
            self._attr_swing_mode = swing_mode
            self.async_write_ha_state()

    async def async_set_fan_mode(self, fan_mode: str) -> None:
        """Set new target temperature."""
        payload = self._command_templates[CONF_FAN_MODE_COMMAND_TEMPLATE](fan_mode)
        await self._publish(CONF_FAN_MODE_COMMAND_TOPIC, payload)

        if self._optimistic or self._topic[CONF_FAN_MODE_STATE_TOPIC] is None:
            self._attr_fan_mode = fan_mode
            self.async_write_ha_state()

    async def async_set_hvac_mode(self, hvac_mode: HVACMode) -> None:
        """Set new operation mode."""
        payload = self._command_templates[CONF_MODE_COMMAND_TEMPLATE](hvac_mode)
        await self._publish(CONF_MODE_COMMAND_TOPIC, payload)

        if self._optimistic or self._topic[CONF_MODE_STATE_TOPIC] is None:
            self._attr_hvac_mode = hvac_mode
            self.async_write_ha_state()

    async def async_set_preset_mode(self, preset_mode: str) -> None:
        """Set a preset mode."""
        if self._feature_preset_mode and self.preset_modes:
            if preset_mode not in self.preset_modes and preset_mode is not PRESET_NONE:
                _LOGGER.warning("'%s' is not a valid preset mode", preset_mode)
                return
            mqtt_payload = self._command_templates[CONF_PRESET_MODE_COMMAND_TEMPLATE](
                preset_mode
            )
            await self._publish(
                CONF_PRESET_MODE_COMMAND_TOPIC,
                mqtt_payload,
            )

            if self._optimistic_preset_mode:
                self._attr_preset_mode = preset_mode
                self.async_write_ha_state()

            return

    # Options CONF_AUX_COMMAND_TOPIC, CONF_AUX_STATE_TOPIC
    # and CONF_AUX_STATE_TEMPLATE were deprecated in HA Core 2023.9
    # Support will be removed in HA Core 2024.3
    async def _set_aux_heat(self, state: bool) -> None:
        await self._publish(
            CONF_AUX_COMMAND_TOPIC,
            self._config[CONF_PAYLOAD_ON] if state else self._config[CONF_PAYLOAD_OFF],
        )

        if self._optimistic or self._topic[CONF_AUX_STATE_TOPIC] is None:
            self._attr_is_aux_heat = state
            self.async_write_ha_state()

    async def async_turn_aux_heat_on(self) -> None:
        """Turn auxiliary heater on."""
        await self._set_aux_heat(True)

    async def async_turn_aux_heat_off(self) -> None:
        """Turn auxiliary heater off."""
        await self._set_aux_heat(False)

    async def async_turn_on(self) -> None:
        """Turn the entity on."""
        if CONF_POWER_COMMAND_TOPIC in self._config:
            mqtt_payload = self._command_templates[CONF_POWER_COMMAND_TEMPLATE](
                self._config[CONF_PAYLOAD_ON]
            )
            await self._publish(CONF_POWER_COMMAND_TOPIC, mqtt_payload)
            return
        # Fall back to default behavior without power command topic
        await super().async_turn_on()

    async def async_turn_off(self) -> None:
        """Turn the entity off."""
        if CONF_POWER_COMMAND_TOPIC in self._config:
            mqtt_payload = self._command_templates[CONF_POWER_COMMAND_TEMPLATE](
                self._config[CONF_PAYLOAD_OFF]
            )
            await self._publish(CONF_POWER_COMMAND_TOPIC, mqtt_payload)
            if self._optimistic:
                self._attr_hvac_mode = HVACMode.OFF
                self.async_write_ha_state()
            return
        # Fall back to default behavior without power command topic
        await super().async_turn_off()