"""Support for events through the SmartThings cloud API."""

from typing import cast, override

from pysmartthings import Attribute, Capability, Component, DeviceEvent, SmartThings

from homeassistant.components.event import EventDeviceClass, EventEntity
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback

from . import FullDevice, SmartThingsConfigEntry
from .entity import SmartThingsEntity


async def async_setup_entry(
    hass: HomeAssistant,
    entry: SmartThingsConfigEntry,
    async_add_entities: AddConfigEntryEntitiesCallback,
) -> None:
    """Add events for a config entry."""
    entry_data = entry.runtime_data
    async_add_entities(
        SmartThingsButtonEvent(
            entry_data.client, device, device.device.components[component]
        )
        for device in entry_data.devices.values()
        for component, capabilities in device.status.items()
        if Capability.BUTTON in capabilities
    )


class SmartThingsButtonEvent(SmartThingsEntity, EventEntity):
    """Define a SmartThings event."""

    _attr_device_class = EventDeviceClass.BUTTON
    _attr_translation_key = "button"

    def __init__(
        self,
        client: SmartThings,
        device: FullDevice,
        component: Component,
    ) -> None:
        """Init the class."""
        super().__init__(client, device, {Capability.BUTTON}, component=component.id)
        self._attr_name = component.label
        self._attr_unique_id = (
            f"{device.device.device_id}_{component.id}_{Capability.BUTTON}"
        )

    @property
    @override
    def event_types(self) -> list[str]:
        """Return the event types."""
        return self.get_attribute_value(
            Capability.BUTTON, Attribute.SUPPORTED_BUTTON_VALUES
        )

    @override
    def _update_handler(self, event: DeviceEvent) -> None:
        if event.attribute is Attribute.BUTTON:
            self._trigger_event(cast(str, event.value))
        super()._update_handler(event)