"""Support for ZoneMinder switches."""
from __future__ import annotations

import logging

from zoneminder.monitor import Monitor
from zoneminder.zm import ZoneMinder

from homeassistant.components.switch import SwitchEntity
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
from homeassistant.components.zoneminder import DOMAIN as ZONEMINDER_DOMAIN

_LOGGER = logging.getLogger(__name__)


def setup_platform(
    hass: HomeAssistant,
    config: ConfigType,  # pylint: disable=unused-argument
    add_entities: AddEntitiesCallback,
    discovery_info: DiscoveryInfoType | None = None,  # pylint: disable=unused-argument
) -> None:
    """Set up the ZoneMinder switch platform."""
    switches = []
    for zm_client in hass.data[ZONEMINDER_DOMAIN].values():
        if not (monitors := zm_client.get_monitors()):
            _LOGGER.warning("Could not fetch monitors from ZoneMinder")
            return

        for monitor in monitors:
            switches.append(ZMSwitchMonitors(zm_client, monitor))
    add_entities(switches)


class ZMSwitchMonitors(SwitchEntity):
    """Representation of a ZoneMinder switch."""

    icon = "mdi:alarm-bell"

    def __init__(self, client: ZoneMinder, monitor: Monitor):
        """Initialize the switch."""
        self._client = client
        self._monitor = monitor
        self._state = None

    @property
    def name(self):
        """Return the name of the switch."""
        return f"{self._monitor.name} Alarm Status"

    def update(self):
        """Update the switch value."""
        data = self._get_data("status")
        self._state = int(data["status"]) > 0

    def _get_data(self, command: str):
        return self._client.get_state(
            f"api/monitors/alarm/id:{self._monitor.id}/command:{command}.json"
        )

    @property
    def is_on(self):
        """Return True if entity is on."""
        return self._state

    def turn_on(self, **kwargs):
        """Turn the entity on."""
        result = self._get_data("on")
        data = self._get_data("status")
        self._state = int(data["status"]) > 0
        return result

    def turn_off(self, **kwargs):
        """Turn the entity off."""
        result = self._get_data("off")
        data = self._get_data("status")
        self._state = int(data["status"]) > 0
        return result