import logging
import subprocess
import voluptuous as vol

from homeassistant.helpers.entity import Entity
from homeassistant.components.sensor import PLATFORM_SCHEMA
from homeassistant.const import (
    CONF_NAME, CONF_VALUE_TEMPLATE, STATE_UNKNOWN)
from homeassistant.helpers.entity import Entity
import homeassistant.helpers.config_validation as cv

_LOGGER = logging.getLogger(__name__)

CONF_LOCK_UUID = 'lock_uuid'
CONF_ACCESS_TOKEN = 'access_token'
CONF_LOCK_NAME = 'lock_name'

SCAN_INTERVAL = 30

PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
    vol.Required(CONF_LOCK_UUID): cv.string,
    vol.Required(CONF_ACCESS_TOKEN): cv.string,
    vol.Required(CONF_LOCK_NAME): cv.string,
})

def setup_platform(hass, config, add_devices, discovery_info=None):
    """Setup the Lockitron sensors."""
    lock_uuid = config.get(CONF_LOCK_UUID)
    access_token = config.get(CONF_ACCESS_TOKEN)
    lock_name = config.get(CONF_LOCK_NAME)

    add_devices([LockitronSensor(lock_name, 'Unlocked')])