/**
 *  Refresh statuses
 *
 *  Copyright 2019 Mark Hutchings
 *
 *  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: "Refresh status",
    namespace: "mhutchy",
    author: "Mark Hutchings",
    description: "Refresh status of devices on regular basis",
    category: "Convenience",
    iconUrl: "http://cdn.device-icons.smartthings.com/Outdoor/outdoor12-icn.png",
    iconX2Url: "http://cdn.device-icons.smartthings.com/Outdoor/outdoor12-icn@2x.png",
    iconX3Url: "http://cdn.device-icons.smartthings.com/Outdoor/outdoor12-icn@2x.png")


preferences {

    section	("Switches"){
    	input "switches", "capability.switch", title: "Switch to be refreshed", multiple: true, required: true
				
        }
         
	section ("Regularity"){
		
		input(name: "updateFrequency", type: "enum", title: "Update frequency", description: "How often to poll device for updates in minutes", options:["1","5","10","30"], required: true, defaultValue: 1)
		input "manualButton", "capability.pushableButton", title: "Button to run refresh imediately", required: false
        

		
	}

     

        section ("Notifications"){
    	input "notification", "bool", title: "Send a push notification to smartphone", multiple: false, required: true
	 	input "notificationDevice", "capability.notification", title: "Notification Device", multiple: true, required: false
		input "SMSMessage", "bool", title: "Send an SMS notification", multiple: false, required: true
        input "SMSNumber", "string", title: "phone number for text message", multiple: true, required: false
        
         }
    section ("App preferences"){
     	input(name: "detailedLog", type: "bool", title: "Detailed logging", description: "Detailed logging", displayDuringSetup: true, required: true)
		
     }
}

def installed() {
	log.debug "$app.label : Installed with settings: ${settings}"
    
	unsubscribe()
	unschedule ()
	initialize()
   
}

def updated() {
	log.debug "$app.label : Updated with settings: ${settings}"

	unsubscribe()
	unschedule ()
	initialize()
    

}

def initialize() {
	log.debug "$app.label : Initialised ${settings}"
	if (manualButton) {
		subscribe (manualButton, "pushed", manual)
	}
   if (!updateFrequency) {runEvery1Minutes(update)
   		if (detailedLog) {log.debug "$switches.displayName no updateFrequency set defaulting to every minute"}
        }
   else if (updateFrequency == "1")  {runEvery1Minute(update)
   		if (detailedLog) {log.debug "$switches.displayName updating every minute"}
        }
   else if (updateFrequency == "5")  {runEvery5Minutes(update)
   		if (detailedLog) {log.debug "$switches.displayName updating every 5 minutes"}
        }
   else if (updateFrequency == "10") {runEvery10Minutes(update)
   		if (detailedLog) {log.debug "$switches.displayName updating every 10 minutes"}
        }   
   else if (updateFrequency == "30") {runEvery30Minutes(update)
   		if (detailedLog) {log.debug "$switches.displayName updating every 30 minutes"}
        } 

        
 }

def manual (evt){
	if (evt.value == "1"){
		logDebug ("Manual refresh requested")
		update ()
	}
	else if (evt.value == "2"){
		logDebug ("Forcing stuck value")
		state.before = switches.currentSwitch
		if (state.before[1] == "on"){
			state.before[1] = "off"
		}
		else {
			state.before[1] = "on"
		}
		logDebug ("changing state.before from $switches.currentSwitch to $state.before")
		checkStatus ()
	}
}
		

def update (evt) {
	state.before = switches.currentSwitch
	logDebug ("Refreshing ${switches.displayName} current status ${state.before}")
	switches.refresh()
	runIn (5, checkStatus)
}

def checkStatus () {
	logDebug "Refreshed ${switches.displayName} now ${switches.currentSwitch}"
	if (state.before != switches.currentSwitch){
		logDebug "Switch state error - ${switches.displayName} was $state.before, should be $switches.currentSwitch"
		
			
		for (int i = 0; i < switches.size(); i++){
    
        	if (switches[i].currentSwitch != state.before[i]) {
				log.warn ("${switches[i].displayName} fault - Showing '${state.before[i]}' instead of '${switches[i].currentSwitch}'")
				if (notification) {
					logDebug ("Sending notification to $notificationDevice.displayName")
					notificationDevice.deviceNotification("${switches[i].displayName} fault - Showing '${state.before[i]}' instead of '${switches[i].currentSwitch}'")
				}
	
            }	
		}
			
			
			
	}
}

def logDebug (text) {
	if (text){
    	log.debug "$app.label : $text"
        }
    }