/**
 *  Smart Humidifier
 *
 *  Copyright 2014 Sheikh Dawood
 *
 *  Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 *  in compliance with the License. You may obtain a copy of the License at:
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software distributed under the License is distributed
 *  on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License
 *  for the specific language governing permissions and limitations under the License.
 *
 */
definition(
    name: "Smart Humidifier",
    namespace: "Sheikhsphere",
    author: "Sheikh Dawood",
    description: "Turn on/off humidifier based on relative humidity from a sensor.",
    category: "Convenience",
   iconUrl: "https://graph.api.smartthings.com/api/devices/icons/st.Weather.weather12-icn",
    iconX2Url: "https://graph.api.smartthings.com/api/devices/icons/st.Weather.weather12-icn?displaySize=2x"
)


preferences {
	section("Monitor the humidity of:") {
		input "humiditySensor1", "capability.relativeHumidityMeasurement"
	}
	section("When the humidity rises above:") {
		input "humidityHigh", "number", title: "Percentage ?"
	}
    section("When the humidity drops below:") {
		input "humidityLow", "number", title: "Percentage ?"
	}
    section("Control Humidifier:") {
		input "switch1", "capability.switch"
	}
    section( "Notifications" ) {
        input "sendPushMessage", "enum", title: "Send a push notification?", metadata:[values:["Yes","No"]], required:false
        input "phone1", "phone", title: "Send a Text Message?", required: false
    }
}

def installed() {
	subscribe(humiditySensor1, "humidity", humidityHandler)
}

def updated() {
	unsubscribe()
	subscribe(humiditySensor1, "humidity", humidityHandler)
}

def humidityHandler(evt) {
	log.trace "humidity: $evt.value"
    log.trace "set high point: $humidityHigh"
    log.trace "set low point: $humidityLow"

	def currentHumidity = Double.parseDouble(evt.value.replace("%", ""))
	def humidityHigh1 = humidityHigh 
    def humidityLow1 = humidityLow 
	def mySwitch = settings.switch1

	if (currentHumidity >= humidityHigh1) {
		log.debug "Checking how long the humidity sensor has been reporting >= $humidityHigh1"

		// Don't send a continuous stream of text messages
		def deltaMinutes = 10 
		def timeAgo = new Date(now() - (1000 * 60 * deltaMinutes).toLong())
		def recentEvents = humiditySensor1.eventsSince(timeAgo)
		log.trace "Found ${recentEvents?.size() ?: 0} events in the last $deltaMinutes minutes"
		def alreadySentSms1 = recentEvents.count { Double.parseDouble(it.value.replace("%", "")) >= humidityHigh1 } > 1

		if (alreadySentSms1) {
			log.debug "Notification already sent within the last $deltaMinutes minutes"

		} else {
         	if (state.lastStatus != "off") {
                log.debug "Humidity Rose Above $humidityHigh1:  sending SMS and deactivating $mySwitch"
                send("${humiditySensor1.label} sensed high humidity level of ${evt.value}, turning off ${switch1.label}")
                switch1?.off()
                state.lastStatus = "off"
            }
		}
	}
    else if (currentHumidity <= humidityLow1) {
		log.debug "Checking how long the humidity sensor has been reporting <= $humidityLow1"

		// Don't send a continuous stream of text messages
		def deltaMinutes = 10 
		def timeAgo = new Date(now() - (1000 * 60 * deltaMinutes).toLong())
		def recentEvents = humiditySensor1.eventsSince(timeAgo)
		log.trace "Found ${recentEvents?.size() ?: 0} events in the last $deltaMinutes minutes"
		def alreadySentSms2 = recentEvents.count { Double.parseDouble(it.value.replace("%", "")) <= humidityLow1 } > 1

		if (alreadySentSms2) {
			log.debug "Notification already sent within the last $deltaMinutes minutes"

		} else {
        	if (state.lastStatus != "on") {
                log.debug "Humidity Dropped Below $humidityLow1:  sending SMS and activating $mySwitch"
                send("${humiditySensor1.label} sensed low humidity level of ${evt.value}, turning on ${switch1.label}")
                switch1?.on()
                state.lastStatus = "on"
            }
		}
	}
    else {
    	//log.debug "Humidity remained in threshold:  sending SMS to $phone1 and activating $mySwitch"
		//send("${humiditySensor1.label} sensed humidity level of ${evt.value} is within threshold, keeping on ${switch1.label}")
    	//switch1?.on()
    }
}

private send(msg) {
    if ( sendPushMessage != "No" ) {
        log.debug( "sending push message" )
        sendPush( msg )
    }

    if ( phone1 ) {
        log.debug( "sending text message" )
        sendSms( phone1, msg )
    }

    log.debug msg
}
