"""Support for KNX scenes."""
from __future__ import annotations

from typing import Any

from xknx import XKNX
from xknx.devices import Scene as XknxScene

from homeassistant.components.scene import Scene
from homeassistant.const import CONF_NAME
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType

from .const import DOMAIN, KNX_ADDRESS
from .knx_entity import KnxEntity
from .schema import SceneSchema


async def async_setup_platform(
    hass: HomeAssistant,
    config: ConfigType,
    async_add_entities: AddEntitiesCallback,
    discovery_info: DiscoveryInfoType | None = None,
) -> None:
    """Set up the scenes for KNX platform."""
    if not discovery_info or not discovery_info["platform_config"]:
        return
    platform_config = discovery_info["platform_config"]
    xknx: XKNX = hass.data[DOMAIN].xknx

    async_add_entities(
        KNXScene(xknx, entity_config) for entity_config in platform_config
    )


class KNXScene(KnxEntity, Scene):
    """Representation of a KNX scene."""

    _device: XknxScene

    def __init__(self, xknx: XKNX, config: ConfigType) -> None:
        """Init KNX scene."""
        super().__init__(
            device=XknxScene(
                xknx,
                name=config[CONF_NAME],
                group_address=config[KNX_ADDRESS],
                scene_number=config[SceneSchema.CONF_SCENE_NUMBER],
            )
        )
        self._attr_unique_id = (
            f"{self._device.scene_value.group_address}_{self._device.scene_number}"
        )

    async def async_activate(self, **kwargs: Any) -> None:
        """Activate the scene."""
        await self._device.run()