"""TOLO Sauna Select controls."""

from __future__ import annotations

from collections.abc import Callable
from dataclasses import dataclass

from tololib import ToloClient, ToloSettings

from homeassistant.components.select import SelectEntity, SelectEntityDescription
from homeassistant.const import EntityCategory
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback

from .const import AromaTherapySlot, LampMode
from .coordinator import ToloConfigEntry, ToloSaunaUpdateCoordinator
from .entity import ToloSaunaCoordinatorEntity


@dataclass(frozen=True, kw_only=True)
class ToloSelectEntityDescription(SelectEntityDescription):
    """Class describing TOLO select entities."""

    options: list[str]
    getter: Callable[[ToloSettings], str]
    setter: Callable[[ToloClient, str], bool]


SELECTS = (
    ToloSelectEntityDescription(
        key="lamp_mode",
        translation_key="lamp_mode",
        options=[lamp_mode.name.lower() for lamp_mode in LampMode],
        getter=lambda settings: settings.lamp_mode.name.lower(),
        setter=lambda client, option: client.set_lamp_mode(
            LampMode[option.upper()].value
        ),
    ),
    ToloSelectEntityDescription(
        key="aroma_therapy_slot",
        translation_key="aroma_therapy_slot",
        options=[
            aroma_therapy_slot.name.lower() for aroma_therapy_slot in AromaTherapySlot
        ],
        getter=lambda settings: settings.aroma_therapy_slot.name.lower(),
        setter=lambda client, option: client.set_aroma_therapy_slot(
            AromaTherapySlot[option.upper()].value
        ),
    ),
)


async def async_setup_entry(
    hass: HomeAssistant,
    entry: ToloConfigEntry,
    async_add_entities: AddConfigEntryEntitiesCallback,
) -> None:
    """Set up select entities for TOLO Sauna."""
    coordinator = entry.runtime_data
    async_add_entities(
        ToloSelectEntity(coordinator, entry, description) for description in SELECTS
    )


class ToloSelectEntity(ToloSaunaCoordinatorEntity, SelectEntity):
    """TOLO select entity."""

    _attr_entity_category = EntityCategory.CONFIG

    entity_description: ToloSelectEntityDescription

    def __init__(
        self,
        coordinator: ToloSaunaUpdateCoordinator,
        entry: ToloConfigEntry,
        entity_description: ToloSelectEntityDescription,
    ) -> None:
        """Initialize TOLO select entity."""
        super().__init__(coordinator, entry)
        self.entity_description = entity_description
        self._attr_unique_id = f"{entry.entry_id}_{entity_description.key}"

    @property
    def options(self) -> list[str]:
        """Return available select options."""
        return self.entity_description.options

    @property
    def current_option(self) -> str:
        """Return current select option."""
        return self.entity_description.getter(self.coordinator.data.settings)

    def select_option(self, option: str) -> None:
        """Select a select option."""
        self.entity_description.setter(self.coordinator.client, option)