import esphome.config_validation as cv
import esphome.codegen as cg
from esphome.components import sensor
from esphome.const import CONF_ID, ICON_GAUGE

UNIT_BYTE = "B"

debug_ns = cg.esphome_ns.namespace('debug')
HeapMonitor = debug_ns.class_('HeapMonitor', cg.PollingComponent)
CONFIG_SCHEMA = sensor.sensor_schema(UNIT_BYTE, ICON_GAUGE, 0).extend({
    cv.GenerateID(): cv.declare_id(HeapMonitor),
}).extend(cv.polling_component_schema('60s'))

def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    yield cg.register_component(var, config)
    yield sensor.register_sensor(var, config)