// on{x} recipe for fastest route to work
// created by jgaikwad@gmail.com
// version 1
// last modified 6/5/2012
// define variables
var time = "07:35 AM";
var wps = [];
var fastestroute = '';
var route1Duration = '';
var route2Duration = '';
var route1Name = 'i635 route';
var route2Name = 'downtown route';

// get fastest route
var getFastestRoute = function () {
    // first get route 1
	wps[0] = '39.173773,-94.559544';
	wps[1] = '39.037003,-94.682968';
	feeds.traffic.get(
		{wps: wps, unittype: 'i'},
		function(traffic, textStatus, response) {
		   console.info('\n****The traffic warnings are for route2 ' + traffic.warnings[0]);
		   // duration is given in seconds, modify to minutes
		   route1Duration = traffic.totalTravelDuration/60;
		},
		function(response, textStatus) {
		   console.info('got error :  ' + textStatus);
		}
	);
	// then get route 2
	wps[0] = '39.172709,-94.552313';
	wps[1] = '39.037003,-94.682968';
	feeds.traffic.get(
		{wps: wps, unittype: 'i'},
		function(traffic, textStatus, response) {
		   console.info('\n****The traffic warnings are for route1 ' + traffic.warnings[0]);
		   // duration is given in seconds, modify to minutes
		   route2Duration = traffic.totalTravelDuration/60;
		   // compare route durations
		   if (route1Duration < route2Duration) {
			   fastestroute = route1Name;
		   } else {
			   fastestroute = route2Name;
		   }
		   // notify of fastest route
		   var notification = device.notifications.createNotification('Traffic info');
		   notification.content = 'Fastest route=' + fastestroute;
		   notification.show();
		},
		function(response, textStatus) {
		   console.info('got error :  ' + textStatus);
		}
	);
};

var parseTime = function (timeString) {
        if (timeString === '') {
            return null;
        }

        var time = timeString.match(/^(\d+)(:(\d\d))?\s*((a|(p))m?)?$/i);
        if (time === null) {
            return null;
        }

        var hours = parseInt(time[1], 10);
        if (hours === 12 && !time[6]) {
            hours = 0;
        } else {
            hours += (hours < 12 && time[6]) ? 12 : 0;
        }
        var d = new Date();
        d.setHours(hours);
        d.setMinutes(parseInt(time[3], 10) || 0);
        d.setSeconds(0, 0);
        return d;
    };

    // get the fastest route every day at the specified time
    var firstTime = parseTime(time);
    if (firstTime === null) {
        console.error('Invalid time format: ' + time + '. Expected: hh:mm or hh:mm AM/PM');
    } else {
        var now = new Date();
        if (firstTime.getTime() < now) {
            firstTime.setDate(firstTime.getDate() + 1);
        }
        console.info('Setting scheduled task to start at ' + firstTime);
        device.scheduler.setTimer({
                name: 'dailyTrafficTimer',
                time: firstTime.getTime(),
                interval: 'day',
                repeat: true,
                exact: true
            },
            getFastestRoute);
    }