"""Writable zone enabled switches for GREE Controller."""

from __future__ import annotations

from typing import Any

from homeassistant.components.switch import SwitchEntity
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity import DeviceInfo
from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
from homeassistant.helpers.update_coordinator import CoordinatorEntity

from . import GreeControllerRuntimeData
from .const import DOMAIN
from .coordinator import GreeControllerCoordinator


async def async_setup_entry(
    hass: HomeAssistant,
    entry: ConfigEntry,
    async_add_entities: AddConfigEntryEntitiesCallback,
) -> None:
    """Create one enabled switch per controller zone."""
    runtime: GreeControllerRuntimeData = entry.runtime_data
    entities = [
        GreeControllerZoneEnabledSwitch(runtime.coordinator, str(zone["zone_id"]))
        for zone in runtime.coordinator.plan.get("zones", [])
        if zone.get("zone_id")
    ]
    async_add_entities(entities)


class GreeControllerZoneEnabledSwitch(CoordinatorEntity[GreeControllerCoordinator], SwitchEntity):
    """Enable or disable a controller thermostat zone."""

    _attr_has_entity_name = True
    _attr_name = "Enabled"

    def __init__(self, coordinator: GreeControllerCoordinator, zone_id: str) -> None:
        super().__init__(coordinator)
        self._zone_id = zone_id
        self._attr_unique_id = f"{zone_id}-enabled"

    @property
    def _zone(self) -> dict[str, Any]:
        for zone in self.coordinator.plan.get("zones", []):
            if str(zone.get("zone_id")) == self._zone_id:
                return zone
        return {}

    @property
    def available(self) -> bool:
        return super().available and bool(self._zone)

    @property
    def is_on(self) -> bool:
        return bool(self._zone.get("enabled", False))

    @property
    def device_info(self) -> DeviceInfo:
        zone = self._zone
        return DeviceInfo(
            identifiers={(DOMAIN, f"zone:{self._zone_id}")},
            name=str(zone.get("zone_name") or self._zone_id),
            manufacturer="GREE Controller",
            model="Zone thermostat",
            via_device=(DOMAIN, "controller"),
        )

    async def async_turn_on(self, **kwargs: Any) -> None:
        await self.coordinator.client.zone_control(self._zone_id, {"enabled": True})
        await self.coordinator.async_request_refresh()

    async def async_turn_off(self, **kwargs: Any) -> None:
        await self.coordinator.client.zone_control(self._zone_id, {"enabled": False})
        await self.coordinator.async_request_refresh()