// Get Current Cycle Symmary Array
var currentCycle = flow.get("currentApplianceCycle");

var date = new Date();
msg.payload = {};

// Function to convert unix epoch to X hours and Y mins
// and format as 'Xh Xmin'.  Drop the hours if less than 1.
function secondsToHms(d) {
    d = Number(d);
    var h = Math.floor(d / 3600);
    var m = Math.floor(d % 3600 / 60);
    if (h < 1 ) {
        return ('0' + m).slice(-2)+"min";
    }
    else {
        return ('0' + h).slice(-2) + "h " + ('0' + m).slice(-2)+"min";
    }
}

// Function to convert unix epoch to 00:00
function epochToFormattedTime(d) {
    d = new Date(d * 1000);
    var h = d.getHours();
    var m = "0" + d.getMinutes();
    return h + ':' + m.substr(-2);
}


// Extract start/stop time based on the unix timestamp
// First multiply by 1000 so that the argument is in milliseconds, not seconds.
var startDateTime = new Date(currentCycle.cycleTimeStart * 1000);
var stopDateTime = new Date(currentCycle.cycleTimeStop * 1000);
var startDateHours = "0" + startDateTime.getHours();
var stopDateHours = "0" + stopDateTime.getHours();
var startDateMinutes = "0" + startDateTime.getMinutes();
var stopDateMinutes = "0" + stopDateTime.getMinutes();

// Format times
// Will display time in 10:30 format (no seconds)
var formattedStartTime = startDateHours.substr(-2) + ':' + startDateMinutes.substr(-2)
var formattedStopTime = stopDateHours.substr(-2) + ':' + stopDateMinutes.substr(-2)

// Put together a notification ready for sending to notifying tools
msg.topic = flow.get("applianceName") + " Notification";
msg.payload = "Your " + flow.get("applianceAction") + 
              " is complete.\nIt started at " + formattedStartTime +  
              ", finished at " + formattedStopTime + 
              ", and used " + currentCycle.totalCyclePowerFormatted + 
              ", taking " + secondsToHms(currentCycle.cycleTimeStop - currentCycle.cycleTimeStart) + 
              " at a cost of " + currentCycle.totalCycleCostFormatted;

return msg;