"""Common utilities for VeSync Component."""

import logging

from pyvesync import VeSync
from pyvesync.vesyncbasedevice import VeSyncBaseDevice

from homeassistant.core import HomeAssistant

from .const import VeSyncHumidifierDevice

_LOGGER = logging.getLogger(__name__)


def rgetattr(obj: object, attr: str):
    """Return a string in the form word.1.2.3 and return the item as 3. Note that this last value could be in a dict as well."""
    _this_func = rgetattr
    sp = attr.split(".", 1)
    if len(sp) == 1:
        left, right = sp[0], ""
    else:
        left, right = sp

    if isinstance(obj, dict):
        obj = obj.get(left)
    elif hasattr(obj, left):
        obj = getattr(obj, left)
    else:
        return None

    if right:
        obj = _this_func(obj, right)

    return obj


async def async_generate_device_list(
    hass: HomeAssistant, manager: VeSync
) -> list[VeSyncBaseDevice]:
    """Assign devices to proper component."""
    devices: list[VeSyncBaseDevice] = []

    await hass.async_add_executor_job(manager.update)

    devices.extend(manager.fans)
    devices.extend(manager.bulbs)
    devices.extend(manager.outlets)
    devices.extend(manager.switches)

    return devices


def is_humidifier(device: VeSyncBaseDevice) -> bool:
    """Check if the device represents a humidifier."""

    return isinstance(device, VeSyncHumidifierDevice)