"""Button entity that triggers a Main Gate Controller cycle."""

from __future__ import annotations

from homeassistant.components.button import ButtonEntity
from homeassistant.core import HomeAssistant
from homeassistant.helpers.device_registry import DeviceInfo
from homeassistant.helpers.entity_platform import AddEntitiesCallback

from . import MainGateConfigEntry, build_device_info
from .coordinator import MainGateController


async def async_setup_entry(
    hass: HomeAssistant,
    entry: MainGateConfigEntry,
    async_add_entities: AddEntitiesCallback,
) -> None:
    """Set up the Open button for a gate."""
    controller: MainGateController = entry.runtime_data
    async_add_entities([MainGateOpenButton(controller, entry)])


class MainGateOpenButton(ButtonEntity):
    """Button that runs the full open/countdown/close cycle."""

    _attr_should_poll = False
    _attr_has_entity_name = True
    _attr_translation_key = "open"
    _attr_icon = "mdi:gate-open"

    def __init__(self, controller: MainGateController, entry: MainGateConfigEntry) -> None:
        self._controller = controller
        self._entry = entry
        self._attr_unique_id = f"{entry.entry_id}_open"

    @property
    def device_info(self) -> DeviceInfo:
        return build_device_info(self._entry)

    async def async_press(self) -> None:
        """Handle the button press: start the cycle if idle.

        Behaviour is ``mode: single`` — a second press while a cycle is in
        progress is silently ignored and an info-level log entry is written.
        """
        self._controller.async_trigger()