using Toybox.WatchUi as Ui;
using Toybox.Application as App;
using Toybox.Background;
using Toybox.System as Sys;
using Toybox.Communications as Comm;
using Toybox.FitContributor as fit;



class glucose_datafieldView extends Ui.SimpleDataField {
	private const TAG = "glucose_datafieldView";

	hidden var mFitContributor = null;

	// Variables for computing averages:
    hidden var lapAverage = 0.0;
    hidden var sessionAverage = 0.0;
    hidden var lapRecordCount = 0;
    hidden var sessionRecordCount = 0;

    hidden var tempSgv = null;
    var tempFlag = null;
    hidden var sgvString = "-";
    hidden var mTimerRunning = false;

    // Set the label of the data field here.
    function initialize() {
    	Sys.println(TAG + "->initialize");
        SimpleDataField.initialize();

        //------------------------FIT-----------------------
        mFitContributor = new SGVFitContributor(self);

        //--------------------------------------------------
        Sys.println("FIT contributor initialized");
        label = "Blood glucose";
        App.getApp().setProperty(OSDATA, null);
        App.getApp().setProperty(FLAG,null);

    }


    function compute(info) {
    	//Read object store:
    	tempSgv = App.getApp().getProperty(OSDATA);

        //Check the flag:
    	tempFlag = App.getApp().getProperty(FLAG);

        Sys.println(TAG + "-> compute: tempFlag = " + tempFlag + ", tempSgv = " + tempSgv + ", sessionRunning = " + mTimerRunning);


        //Check for temporal event and if the session is running:
        if(tempFlag && mTimerRunning){
        	if (tempSgv != null){
	        	//Reset the fit contributor:
	      		mFitContributor = null;
	        	//Initialize the FIT contributor:
	        	mFitContributor = new SGVFitContributor(self);

	        	//Update session averages:
	        	lapRecordCount++;
	            sessionRecordCount++;
	            lapAverage += tempSgv.toFloat();
	            sessionAverage += tempSgv.toFloat();
	        	mFitContributor.updateAverages(lapAverage, sessionAverage, lapRecordCount, sessionRecordCount);

	        	//Log new data:
		        Sys.println("tempSgv = " + tempSgv);
		        mFitContributor.compute(tempSgv.toFloat());
        	}
        }


        //Reset the flag so that nothing happens until another temporal event occurs:
		App.getApp().setProperty(FLAG,false);
     	//Return the value to be displayed in the datafield:
     	if (tempSgv == "0.00" || tempSgv == null){
     		sgvString = "-";
     	}

        return sgvString;
    }

    function onTimerStart() {
		Sys.println(TAG + "-> onTimerStart: Session started");
		mTimerRunning = true;

    }

    function onTimerStop() {
    	Sys.println(TAG + "-> onTimerStop.");
    	mTimerRunning = false;
    }

    function onTimerPause() {
    	Sys.println(TAG + "-> onTimerPause.");
    	mTimerRunning = false;
	}

    function onTimerResume() {
    	Sys.println(TAG + "-> onTimerResume.");
    	mTimerRunning = true;
    }

    function onTimerLap() {
    	Sys.println(TAG + "-> onTimerLap.");
    	lapRecordCount = 0;
        lapAverage = 0.0;
    }

    function onTimerReset() {
    	Sys.println(TAG + "-> onTimerReset: Session stopped");
    	sessionRecordCount = 0;
        sessionAverage = 0.0;
    }

}