"""Binary sensors for Victron MK2 MQTT integration."""

from __future__ import annotations

from typing import Any

from homeassistant.components.binary_sensor import BinarySensorEntity
from homeassistant.const import EntityCategory
from homeassistant.core import HomeAssistant

from .const import DATA_BRIDGE, DOMAIN
from .coordinator import VictronMqttBridge
from .entity import VictronMqttEntity


async def async_setup_platform(
    hass: HomeAssistant,
    config: dict[str, Any],
    async_add_entities,
    discovery_info: dict[str, Any] | None = None,
) -> None:
    """Set up Victron binary sensors."""
    bridge: VictronMqttBridge = hass.data[DOMAIN][DATA_BRIDGE]
    async_add_entities([VictronDataValidBinarySensor(bridge)])


class VictronDataValidBinarySensor(VictronMqttEntity, BinarySensorEntity):
    """MQTT data validity sensor."""

    _attr_name = "Data Valid"
    _attr_entity_category = EntityCategory.DIAGNOSTIC
    _attr_icon = "mdi:check-network-outline"

    def __init__(self, bridge: VictronMqttBridge) -> None:
        super().__init__(bridge)
        self._attr_unique_id = f"{bridge.topic_root}_data_valid"

    @property
    def is_on(self) -> bool:
        value = self.bridge.metric("Valid")
        if isinstance(value, bool):
            return value
        if isinstance(value, (int, float)):
            return value != 0
        if isinstance(value, str):
            normalized = value.strip().lower()
            return normalized in {"1", "true", "on", "yes"}
        return False