"""Vodafone Station buttons."""
from __future__ import annotations

from collections.abc import Callable
from dataclasses import dataclass
from typing import Any, Final

from homeassistant.components.button import (
    ButtonDeviceClass,
    ButtonEntity,
    ButtonEntityDescription,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import EntityCategory
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.update_coordinator import CoordinatorEntity

from .const import _LOGGER, DOMAIN
from .coordinator import VodafoneStationRouter


@dataclass
class VodafoneStationBaseEntityDescriptionMixin:
    """Mixin to describe a Button entity."""

    press_action: Callable[[VodafoneStationRouter], Any]
    is_suitable: Callable[[dict], bool]


@dataclass
class VodafoneStationEntityDescription(
    ButtonEntityDescription, VodafoneStationBaseEntityDescriptionMixin
):
    """Vodafone Station entity description."""


BUTTON_TYPES: Final = (
    VodafoneStationEntityDescription(
        key="reboot",
        device_class=ButtonDeviceClass.RESTART,
        entity_category=EntityCategory.CONFIG,
        press_action=lambda coordinator: coordinator.api.restart_router(),
        is_suitable=lambda _: True,
    ),
    VodafoneStationEntityDescription(
        key="dsl_ready",
        translation_key="dsl_reconnect",
        device_class=ButtonDeviceClass.RESTART,
        entity_category=EntityCategory.DIAGNOSTIC,
        press_action=lambda coordinator: coordinator.api.restart_connection("dsl"),
        is_suitable=lambda info: info.get("dsl_ready") == "1",
    ),
    VodafoneStationEntityDescription(
        key="fiber_ready",
        translation_key="fiber_reconnect",
        device_class=ButtonDeviceClass.RESTART,
        entity_category=EntityCategory.DIAGNOSTIC,
        press_action=lambda coordinator: coordinator.api.restart_connection("fiber"),
        is_suitable=lambda info: info.get("fiber_ready") == "1",
    ),
    VodafoneStationEntityDescription(
        key="vf_internet_key_online_since",
        translation_key="internet_key_reconnect",
        device_class=ButtonDeviceClass.RESTART,
        entity_category=EntityCategory.DIAGNOSTIC,
        press_action=lambda coordinator: coordinator.api.restart_connection(
            "internet_key"
        ),
        is_suitable=lambda info: info.get("vf_internet_key_online_since") != "",
    ),
)


async def async_setup_entry(
    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
) -> None:
    """Set up entry."""
    _LOGGER.debug("Setting up Vodafone Station buttons")

    coordinator: VodafoneStationRouter = hass.data[DOMAIN][entry.entry_id]

    sensors_data = coordinator.data.sensors

    async_add_entities(
        VodafoneStationSensorEntity(coordinator, sensor_descr)
        for sensor_descr in BUTTON_TYPES
        if sensor_descr.is_suitable(sensors_data)
    )


class VodafoneStationSensorEntity(
    CoordinatorEntity[VodafoneStationRouter], ButtonEntity
):
    """Representation of a Vodafone Station button."""

    _attr_has_entity_name = True
    entity_description: VodafoneStationEntityDescription

    def __init__(
        self,
        coordinator: VodafoneStationRouter,
        description: VodafoneStationEntityDescription,
    ) -> None:
        """Initialize a Vodafone Station sensor."""
        super().__init__(coordinator)
        self.entity_description = description
        self._attr_device_info = coordinator.device_info
        self._attr_unique_id = f"{coordinator.serial_number}_{description.key}"

    async def async_press(self) -> None:
        """Triggers the Shelly button press service."""
        await self.entity_description.press_action(self.coordinator)
