import logging

from .const import ZoneInput, ZoneStatus, ZoneType
from .utils import _load_enum

_LOGGER = logging.getLogger(__name__)


class Zone:
    """Represents an SPC alarm system zone."""

    SUPPORTED_SIA_CODES = ("ZO", "ZC", "ZX", "ZD", "ZM", "BA", "BB", "BU", "BR", "BC")

    def __init__(self, area, spc_zone):
        self._id = spc_zone["id"]
        self._name = spc_zone["zone_name"]
        self._area = area

        self.update(spc_zone)

    def __str__(self):
        return "{id}: {name} ({type}). Input: {inp}, status: {status}".format(
            id=self.id,
            name=self.name,
            type=self.type,
            inp=self.input,
            status=self.status,
        )

    @property
    def id(self):
        return self._id

    @property
    def name(self):
        return self._name

    @property
    def input(self):
        return self._input

    @property
    def type(self):
        return self._type

    @property
    def status(self):
        return self._status

    @property
    def area(self):
        return self._area

    def update(self, spc_zone, sia_code=None, sia_description=None):
        _LOGGER.debug("Update zone %s", self.id)

        self._type = _load_enum(ZoneType, spc_zone["type"])
        self._status = _load_enum(ZoneStatus, spc_zone["status"])

        input = _load_enum(ZoneInput, spc_zone["input"])

        if sia_code == "ZO" and input == ZoneInput.CLOSED:
            # work around race condition for wireless sensors
            input = ZoneInput.OPEN

        self._input = input