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              <h1>Pomodoro Timer</h1>
<header>
	<div class="breakCtrl">
		<p>Break Length </p>
		<button class="button-reset minus" onClick='decreaseBreak()'>-</button>
		<span id="break">5</span>
		<button class="button-reset" onClick='increaseBreak()'>+</button>
	</div>
	<div class="sessionCtrl">
		<p>Session Length </p>
		<button class="button-reset minus" onClick='decreaseSession()'>-</button>
		<span id="session">25</span>
		<button onClick='increaseSession()'>+</button>
	</div>
</header>

<button id='reset' class="reset" onclick='resetMachine()'></button>

<div onClick='startTheMachine()' title="Click to start/pause" class='machine'>


	<div class="timer">
		<svg class="self-center" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" viewBox="0 0 300 300" preserveAspectRatio="none">
    <circle cx="40%" cy="50%" r="57" id="halo" fill="none" stroke="#00CC33" stroke-width="5" stroke-dasharray="360,20000" transform="rotate(-90,100,100)" />
    <text id="session-label"  x="41%" y="24%" fill="#868e96" font-family: "Open Sans">Session</text>
    <text id="myTimer"  x="43%" y="34%" fill="#868e96" font-family: "Open Sans"></text>
  </svg>
	</div>

</div>

            
          
!
            
              $back: $oc-gray-0;
$fore: $oc-gray-6;
@import url('https://fonts.googleapis.com/css?family=Open+Sans:300');

body{
	height: 100%;
	overflow: hidden;
	background-color: $back;
	position: relative;
	font-family: 'Open Sans';
	margin-top: 9em;
}


h1 {
	display: block;
	background-color: $back;
	margin: 0 auto;
	color: $fore;
	text-align: center;
	font-family: 'Open Sans';
	font-size: 5em;
}

button {
	background-color: $back;
	color: $fore;
	border: none;
	cursor: pointer;
	font-size: 2em;
	outline: none;
}
.reset{
	display: block;
	margin: 0 auto;
}
#session, #break{
	font-size: 2em;
}
header {
	text-align: center;
	margin: 0 auto;
	color: $fore;
	text-transform: uppercase;
	padding: 20px;
	font-size: 1em;
}
.machine {
	max-height: 13em;
}
.breakCtrl,
.sessionCtrl {
	display: inline-block;
	padding-left: 30px;
	padding-right: 30px;
}

.self-center {
	width: 30em;
  height: 30em;
  color: $fore;
  cursor: pointer;
  overflow: hidden;
	text-align: center;
	margin-bottom: -10em;
}

.timer{
	width: 30em;
	margin: 0 auto;
	text-align: center;
}

            
          
!
            
              let seconds = 25 * 60;
let breakSeconds = 5 * 60;
let isBreak = false;
const circle = document.getElementById('halo');
const myTimer = document.getElementById('myTimer');
const headline = document.getElementById('session-label');
let lockout = false;
let t = new Timer();
let currentlyRunning = false;
let isPaused = false;


function Timer() {
	var startTime, endTime, instance = this;
	//pass in the total number of seconds to count down
	this.start = function(seconds) {
		startTime = new Date();
		endTime = new Date();
		endTime.setSeconds(startTime.getSeconds() + seconds);

	};

	//reset timer
	this.clear = function() {
		startTime = null;
		endTime = null;
	}
	//format days:hours:minutes:seconds
	//will always print minutes:seconds
	this.print = function() {
		var out = "";
		if (instance.getDays() >= 1) {
			out += Math.floor(instance.getDays()) + ":"
		}
		if (instance.getHours() >= 1) {
			out += Math.floor(instance.getHours()) + ":"
		}
		if (instance.getSeconds() > 0) {
			out += Math.floor(instance.getMinutes()) + ":" + ("0" + instance.getSeconds() % 60).slice(-2);
		}
		return out;
	}

	this.getMilliseconds = function() {
		startTime = new Date();
		if (!endTime) {
			return 0;
		}
		return endTime.getTime() - startTime.getTime();
	}

	this.getSeconds = function() {
		startTime = new Date();
		if (!endTime) {
			return 0;
		}
		//console.log(Math.round((endTime.getTime() - startTime.getTime()) / 1000));
		return Math.round((endTime.getTime() - startTime.getTime()) / 1000);
	}

	this.getMinutes = function() {
		return instance.getSeconds() / 60;
	}
	this.getHours = function() {
		return instance.getMinutes() / 60 / 60;
	}
	this.getDays = function() {
		return instance.getHours() / 24;
	}
}

function drawCircle(seconds) {
	var circle = document.getElementById('halo');
	var timeNow = new Date();
	var interval = seconds;
	var angle = 360;
	var angle_increment = .36;
	var count = seconds - 1;
	var t = new Timer();
	var isBreak = false;
	//sets the timer for the duration
	t.start(seconds);
	//setting the label in the circle
	myTimer.innerHTML = t.print();
	console.log('draw circle')
	//keeping the label up to date as time goes on
	window.counter = window.setInterval(function() {
		myTimer.innerHTML = t.print();
	}, 1000);
	//every 100 ms for a smooth ticking away of the circle
	window.timer = window.setInterval(function() {
		console.log('update circle')
		console.log(t.print())
		circle.setAttribute("stroke-dasharray", angle + ", 20000");
		if (angle <= 0 || t.getMilliseconds() < 0) {
			t.clear();
			//time has run out, stop the label updating and the angle change
			window.clearInterval(window.timer);
			window.clearInterval(window.counter);
			return;
		}
		angle = 360 * t.getMilliseconds() / (seconds * 1000);
	}, 100);
}

startTheMachine = function() {
	document.getElementById('reset').innerHTML = 'reset';
	if (!currentlyRunning) {
		currentlyRunning = true;
		headline.innerHTML = 'Session';
		t.start(seconds);
		window.machine = window.setInterval(function() {
			if (!lockout) {
				lockout = true;
				if (isBreak) {
					t.start(breakSeconds);
					circle.style.stroke = 'red';
					drawCircle(breakSeconds);
					window.timeout1 = window.setTimeout(function() {
						lockout = false;
						t.clear();
						isBreak = !isBreak;
						headline.innerHTML = 'Session';
					}, breakSeconds * 1000);
				} else {
					t.start(seconds);
					circle.style.stroke = '#00CC33';
					drawCircle(seconds);
					window.timeout1 = window.setTimeout(function() {
						lockout = false;
						isBreak = !isBreak;
						t.clear();
						headline.innerHTML = 'Break';
					}, seconds * 1000);
				}
			}
		}, 50);
	} else {
		if (!isPaused) {
			isPaused = !isPaused;
			secondsRemaining = t.getSeconds();
			t.clear();
			isPaused = true;
			window.clearInterval(window.counter);
			window.clearInterval(window.timer);
			window.clearInterval(window.machine);
			window.clearTimeout(window.timeout1);
		} else {
			isPaused = !isPaused;
			t.start(secondsRemaining);
			drawCircle(secondsRemaining);
			window.timeout1 = window.setTimeout(function() {
				lockout = false;
				isBreak = !isBreak;
				t.clear();
				currentlyRunning = false;
				startTheMachine();
			}, secondsRemaining * 1000);
		}
	}
}

increaseSession = function() {
	seconds += 60;
	document.getElementById("session").innerHTML = seconds / 60;
	if(!currentlyRunning){
		myTimer.innerHTML = seconds / 60 + ":" + ("0" + seconds % 60).slice(-2);
	}
}
decreaseSession = function() {
	if (seconds > 0) {
		seconds -= 60;
		document.getElementById("session").innerHTML = seconds / 60;
	if(!currentlyRunning) {
	myTimer.innerHTML = seconds / 60 + ":" + ("0" + seconds % 60).slice(-2);
}

	}

}
increaseBreak = function() {

	breakSeconds += 60;
	document.getElementById("break").innerHTML = breakSeconds / 60;
}
decreaseBreak = function() {
	if (breakSeconds > 0) {
		breakSeconds -= 60;
		document.getElementById("break").innerHTML = breakSeconds / 60;
	}
}

resetMachine = function() {
	window.clearInterval(window.counter);
	window.clearInterval(window.timer);
	window.clearInterval(window.machine);
	window.clearTimeout(window.timeout1);
	t.clear();
	reset = false;
	currentlyRunning = false;
	lockout = false;
	myTimer.innerHTML = Math.floor(seconds / 60) + ":" + ("0" + seconds % 60).slice(-2);
	isBreak = false;
	headline.innerHTML = 'Session';
	document.getElementById('reset').innerHTML = 'reset';

};
myTimer.innerHTML = Math.floor(seconds / 60) + ":" + ("0" + seconds % 60).slice(-2);
            
          
!
999px
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