custom_components/xiaomi_home/notify.py

# -*- coding: utf-8 -*-
"""
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Notify entities for Xiaomi Home.
"""
from __future__ import annotations
import json
import logging
from typing import Optional

from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.components.notify import NotifyEntity

from .miot.miot_spec import MIoTSpecAction
from .miot.miot_device import MIoTDevice, MIoTActionEntity
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 action in miot_device.action_list.get('notify', []):
            new_entities.append(Notify(miot_device=miot_device, spec=action))

    if new_entities:
        async_add_entities(new_entities)


class Notify(MIoTActionEntity, NotifyEntity):
    """Notify entities for Xiaomi Home."""

    def __init__(self, miot_device: MIoTDevice, spec: MIoTSpecAction) -> None:
        """Initialize the Notify."""
        super().__init__(miot_device=miot_device, spec=spec)
        self._attr_extra_state_attributes = {}
        action_in: str = ', '.join([
            f'{prop.description_trans}({prop.format_})'
            for prop in self.spec.in_])
        self._attr_extra_state_attributes['action params'] = f'[{action_in}]'

    async def async_send_message(
        self, message: str, title: Optional[str] = None
    ) -> None:
        """Send a message."""
        del title
        if not message:
            _LOGGER.error(
                'action exec failed, %s(%s), empty action params',
                self.name, self.entity_id)
            return
        try:
            in_list: list = json.loads(message)
        except json.JSONDecodeError:
            _LOGGER.error(
                'action exec failed, %s(%s), invalid action params format, %s',
                self.name, self.entity_id, message)
            return

        if not isinstance(in_list, list) or len(in_list) != len(self.spec.in_):
            _LOGGER.error(
                'action exec failed, %s(%s), invalid action params, %s',
                self.name, self.entity_id, message)
            return

        in_value: list[dict] = []
        for index, prop in enumerate(self.spec.in_):
            if type(in_list[index]).__name__ != prop.format_:
                _LOGGER.error(
                    'action exec failed, %s(%s), invalid params item, '
                    'which item(%s) in the list must be %s, %s',
                    self.name, self.entity_id, prop.description_trans,
                    prop.format_, message)
                return
            in_value.append({'piid': prop.iid, 'value': in_list[index]})
        return await self.action_async(in_list=in_value)