"""Button entity for Boiler Auxiliary Heater Control."""

from __future__ import annotations

from homeassistant.components.button import ButtonEntity
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity import DeviceInfo
from homeassistant.helpers.entity_platform import AddEntitiesCallback

from .const import DOMAIN


async def async_setup_entry(
    hass: HomeAssistant,
    entry: ConfigEntry,
    async_add_entities: AddEntitiesCallback,
) -> None:
    """Set up button entities."""
    coordinator = hass.data[DOMAIN][entry.entry_id]

    # Only create bath boost button if circulation pump is configured
    if coordinator.circulation_pump:
        async_add_entities(
            [BoilerBathBoostButton(coordinator, entry)]
        )


class BoilerBathBoostButton(ButtonEntity):
    """Button to start the bath boost timer."""

    _attr_has_entity_name = True
    _attr_translation_key = "start_bath_boost"
    _attr_icon = "mdi:bath"

    def __init__(self, coordinator, entry: ConfigEntry) -> None:
        """Initialize the button."""
        self.coordinator = coordinator
        self._attr_unique_id = f"{entry.entry_id}_start_bath_boost"
        self._attr_device_info = DeviceInfo(
            identifiers={(DOMAIN, entry.entry_id)},
            name="Boiler Auxiliary Heater",
            manufacturer="Custom",
        )

    async def async_press(self) -> None:
        """Handle button press - start bath boost."""
        await self.coordinator.async_start_bath_boost()