import esphome.codegen as cg
import esphome.config_validation as cv
from esphome import automation
from esphome.const import CONF_ID, CONF_INTERVAL

interval_ns = cg.esphome_ns.namespace('interval')
IntervalTrigger = interval_ns.class_('IntervalTrigger', automation.Trigger.template(),
                                     cg.PollingComponent)

CONFIG_SCHEMA = automation.validate_automation(cv.Schema({
    cv.GenerateID(): cv.declare_id(IntervalTrigger),
    cv.Required(CONF_INTERVAL): cv.positive_time_period_milliseconds,
}).extend(cv.COMPONENT_SCHEMA))


def to_code(config):
    for conf in config:
        var = cg.new_Pvariable(conf[CONF_ID])
        yield cg.register_component(var, conf)
        yield automation.build_automation(var, [], conf)

        cg.add(var.set_update_interval(conf[CONF_INTERVAL]))