smartapp.groovy

definition(
    name: "Turn Lights On When I'm Home",
    namespace: "",
    author: "kris@linquist.net",
    description: "Turns light(s) on when I arrive",
    category: "Convenience",
    iconUrl: "https://s3.amazonaws.com/smartapp-icons/Convenience/Cat-Convenience.png",
    iconX2Url: "https://s3.amazonaws.com/smartapp-icons/Convenience/Cat-Convenience%402x.png",
    iconX3Url: "https://s3.amazonaws.com/smartapp-icons/Convenience/Cat-Convenience%402x.png")

preferences {
	section("When I arrive..."){
		input "presence1", "capability.presenceSensor", title: "Who?", multiple: true
	}
	section("Turn on/off a light..."){
		input "switch1", "capability.switch", multiple: true
	}
    section("Zip code..."){
		 input "zipcode", "text", title: "Zipcode?"
     }    
}

def installed()
{
	subscribe(presence1, "presence", presenceHandler)
}

def updated()
{
	unsubscribe()
	subscribe(presence1, "presence", presenceHandler)
}

def checkNighttime() {

           def data = getWeatherFeature("astronomy", zipcode)
           def sunsettime = data.moon_phase.sunset.hour + data.moon_phase.sunset.minute
           def sunrisetime = data.moon_phase.sunrise.hour + data.moon_phase.sunrise.minute
           def currenttime = data.moon_phase.current_time.hour + data.moon_phase.current_time.minute
           if ((currenttime.toInteger() >= sunsettime.toInteger()) || (currenttime.toInteger() <= sunrisetime.toInteger())) {
	        return true
	    } else {
	        return false
	    }

}


def presenceHandler(evt)
{
	log.debug "presenceHandler $evt.name: $evt.value"
	def current = presence1.currentValue("presence")
	log.debug current
	def presenceValue = presence1.find{it.currentPresence == "present"}
	log.debug presenceValue
	if(presenceValue){
		if (checkNighttime()) {
	        switch1.on()
			sendPush("Welcome home! It's dark so I'm turning on the lights for you")
        }
	}
	else{
		log.debug "Everyone's away."
	}
}