# -*- coding: utf-8 -*-
"""
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Integration and related Xiaomi cloud service API interface provided under this
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Humidifier entities for Xiaomi Home.
"""
from __future__ import annotations
import logging
from typing import Any, Optional

from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.components.humidifier import (
    HumidifierEntity,
    HumidifierDeviceClass,
    HumidifierEntityFeature
)

from .miot.miot_spec import MIoTSpecProperty
from .miot.miot_device import MIoTDevice, MIoTEntityData,  MIoTServiceEntity
from .miot.const import DOMAIN

_LOGGER = logging.getLogger(__name__)


async def async_setup_entry(
        hass: HomeAssistant,
        config_entry: ConfigEntry,
        async_add_entities: AddEntitiesCallback,
) -> None:
    """Set up a config entry."""
    device_list: list[MIoTDevice] = hass.data[DOMAIN]['devices'][
        config_entry.entry_id]

    new_entities = []
    for miot_device in device_list:
        for data in miot_device.entity_list.get('humidifier', []):
            data.device_class = HumidifierDeviceClass.HUMIDIFIER
            new_entities.append(
                Humidifier(miot_device=miot_device, entity_data=data))
        for data in miot_device.entity_list.get('dehumidifier', []):
            data.device_class = HumidifierDeviceClass.DEHUMIDIFIER
            new_entities.append(Humidifier(
                miot_device=miot_device, entity_data=data))

    if new_entities:
        async_add_entities(new_entities)


class Humidifier(MIoTServiceEntity, HumidifierEntity):
    """Humidifier entities for Xiaomi Home."""
    # pylint: disable=unused-argument
    _prop_on: Optional[MIoTSpecProperty]
    _prop_mode: Optional[MIoTSpecProperty]
    _prop_target_humidity: Optional[MIoTSpecProperty]
    _prop_humidity: Optional[MIoTSpecProperty]

    _mode_map: dict[Any, Any]

    def __init__(
        self, miot_device: MIoTDevice,  entity_data: MIoTEntityData
    ) -> None:
        """Initialize the Humidifier."""
        super().__init__(miot_device=miot_device, entity_data=entity_data)
        self._attr_device_class = entity_data.device_class
        self._attr_supported_features = HumidifierEntityFeature(0)
        self._prop_on = None
        self._prop_mode = None
        self._prop_target_humidity = None
        self._prop_humidity = None
        self._mode_map = None

        # properties
        for prop in entity_data.props:
            # on
            if prop.name == 'on':
                self._prop_on = prop
            # target-humidity
            elif prop.name == 'target-humidity':
                if not prop.value_range:
                    _LOGGER.error(
                        'invalid target-humidity value_range format, %s',
                        self.entity_id)
                    continue
                self._attr_min_humidity = prop.value_range.min_
                self._attr_max_humidity = prop.value_range.max_
                self._prop_target_humidity = prop
            # mode
            elif prop.name == 'mode':
                if not prop.value_list:
                    _LOGGER.error(
                        'mode value_list is None, %s', self.entity_id)
                    continue
                self._mode_map = prop.value_list.to_map()
                self._attr_available_modes = list(
                    self._mode_map.values())
                self._attr_supported_features |= HumidifierEntityFeature.MODES
                self._prop_mode = prop
            # relative-humidity
            elif prop.name == 'relative-humidity':
                self._prop_humidity = prop

    async def async_turn_on(self, **kwargs):
        """Turn the humidifier on."""
        await self.set_property_async(prop=self._prop_on, value=True)

    async def async_turn_off(self, **kwargs):
        """Turn the humidifier off."""
        await self.set_property_async(prop=self._prop_on, value=False)

    async def async_set_humidity(self, humidity: int) -> None:
        """Set new target humidity."""
        await self.set_property_async(
            prop=self._prop_target_humidity, value=humidity)

    async def async_set_mode(self, mode: str) -> None:
        """Set new target preset mode."""
        await self.set_property_async(
            prop=self._prop_mode,
            value=self.get_map_key(map_=self._mode_map, value=mode))

    @property
    def is_on(self) -> Optional[bool]:
        """Return if the humidifier is on."""
        return self.get_prop_value(prop=self._prop_on)

    @property
    def current_humidity(self) -> Optional[int]:
        """Return the current humidity."""
        return self.get_prop_value(prop=self._prop_humidity)

    @property
    def target_humidity(self) -> Optional[int]:
        """Return the target humidity."""
        return self.get_prop_value(prop=self._prop_target_humidity)

    @property
    def mode(self) -> Optional[str]:
        """Return the current preset mode."""
        return self.get_map_value(
            map_=self._mode_map,
            key=self.get_prop_value(prop=self._prop_mode))