// t: current time, b: begInnIng value, c: change In value, d: duration
function easeOutCubic(t, b, c, d) {
	return c * ((t = t / d - 1) * t * t + 1) + b;
}

function renderText(x, y, fontSize, color, text, font) {
	if (text == 'HIGH SCORE') debugger;
	ctx.save();
	if (!font) {
		font = 'px/0 Roboto';
	}

	fontSize *= settings.scale;
	ctx.font = fontSize + font;
	ctx.textAlign = 'center';
	ctx.fillStyle = color;
	ctx.fillText(text, x, y + (fontSize / 2) - 9 * settings.scale);
	ctx.restore();
}

function drawScoreboard() {
	if (scoreOpacity < 1) {
		scoreOpacity += 0.01;
		textOpacity += 0.01;
	}

	ctx.globalAlpha = textOpacity;
	var scoreSize = 50;
	var scoreString = String(score);
	if (scoreString.length == 6) {
		scoreSize = 43;
	} else if (scoreString.length == 7) {
		scoreSize = 35;
	} else if (scoreString.length == 8) {
		scoreSize = 31;
	} else if (scoreString.length == 9) {
		scoreSize = 27;
	}
	if (rush ==1){
		var color = "rgb(236, 240, 241)";
	}
	else{
		var color = "#e74c3c";
	}
    var fontSize = settings.platform == 'mobile' ? 35 : 30;

	if (gameState === 0) {
		renderText(trueCanvas.width / 2 + gdx + 6 * settings.scale, trueCanvas.height / 2 + gdy, 60, "rgb(236, 240, 241)", String.fromCharCode("0xf04b"), 'px FontAwesome');
		renderText(trueCanvas.width / 2 + gdx + 6 * settings.scale, trueCanvas.height / 2 + gdy - 170 * settings.scale, 150, "#2c3e50", "Hextris");
		renderText(trueCanvas.width / 2 + gdx + 5 * settings.scale, trueCanvas.height / 2 + gdy + 100 * settings.scale, fontSize, "rgb(44,62,80)", 'Play!');
	} else if (gameState != 0 && textOpacity > 0) {
		textOpacity -= 0.05;
		renderText(trueCanvas.width / 2 + gdx + 6 * settings.scale, trueCanvas.height / 2 + gdy, 60, "rgb(236, 240, 241)", String.fromCharCode("0xf04b"), 'px FontAwesome');
		renderText(trueCanvas.width / 2 + gdx + 6 * settings.scale, trueCanvas.height / 2 + gdy - 170 * settings.scale, 150, "#2c3e50", "Hextris");
		renderText(trueCanvas.width / 2 + gdx + 5 * settings.scale, trueCanvas.height / 2 + gdy + 100 * settings.scale, fontSize, "rgb(44,62,80)", 'Play!');
		ctx.globalAlpha = scoreOpacity;
		renderText(trueCanvas.width / 2 + gdx, trueCanvas.height / 2 + gdy, scoreSize, color, score);
	} else {
		ctx.globalAlpha = scoreOpacity;
		renderText(trueCanvas.width / 2 + gdx, trueCanvas.height / 2 + gdy, scoreSize, color, score);
	}

	ctx.globalAlpha = 1;
}

function clearGameBoard() {
	drawPolygon(trueCanvas.width / 2, trueCanvas.height / 2, 6, trueCanvas.width / 2, 30, hexagonBackgroundColor, 0, 'rgba(0,0,0,0)');
}

function drawPolygon(x, y, sides, radius, theta, fillColor, lineWidth, lineColor) {
	ctx.fillStyle = fillColor;
	ctx.lineWidth = lineWidth;
	ctx.strokeStyle = lineColor;

	ctx.beginPath();
	var coords = rotatePoint(0, radius, theta);
	ctx.moveTo(coords.x + x, coords.y + y);
	var oldX = coords.x;
	var oldY = coords.y;
	for (var i = 0; i < sides; i++) {
		coords = rotatePoint(oldX, oldY, 360 / sides);
		ctx.lineTo(coords.x + x, coords.y + y);
		oldX = coords.x;
		oldY = coords.y;
	}

	ctx.closePath();
	ctx.fill();
	ctx.stroke();
	ctx.strokeStyle = 'rgba(0,0,0,0)';
}

function toggleClass(element, active) {
	if ($(element).hasClass(active)) {
		$(element).removeClass(active);
	} else {
		$(element).addClass(active);
	}
}

function showText(text) {
	var messages = {
		'paused': "<div class='centeredHeader unselectable'>Paused</div><br><div class='unselectable centeredSubHeader'>Press p to resume</div><div style='height:100px;line-height:100px;cursor:pointer;'></div>",
		'pausedAndroid': "<div class='centeredHeader unselectable'>Paused</div><br><div class='unselectable centeredSubHeader'>Press <i class='fa fa-play'></i> to resume</div><div style='height:100px;line-height:100px;cursor:pointer;'></div><div class='unselectable centeredSubHeader' style='margin-top:-50px;'><a href = 'market://details?id=com.hextris.hextrisadfree' target='_blank'>Don't like ads? Want to support the developer? Tap for the ad-free version.</a></div>",
		'start': "<div class='centeredHeader unselectable' style='line-height:80px;'>Press enter to start</div>",
		'gameover': "<div class='centeredHeader unselectable'> Game Over: " + score + " pts</div><br><div style='font-size:24px;' class='centeredHeader unselectable'> High Scores:</div><table class='tg' style='margin:0px auto'> "
	};

	if (text == 'paused') {
		if (settings.os == 'android') {
			text = 'pausedAndroid';
		}
	}

	if (text == 'gameover') {
	   //Clay('client.share.any', {text: 'Think you can beat my score of '+ score + ' in Super Cool Game?'})
		var allZ = 1;
		var i;

		for (i = 0; i < 3; i++) {
			if (highscores.length > i) {
				messages['gameover'] += "<tr> <th class='tg-031e'>" + (i + 1) + ".</th> <th class='tg-031e'>" + highscores[i] + " pts</th> </tr>";
			}
		}

		var restartText;
		if (settings.platform == 'mobile') {
			restartText = 'Tap anywhere to restart!';
		} else {
			restartText = 'Press enter (or click anywhere!) to restart!';
		}

		messages['gameover'] += "</table><br><div class='unselectable centeredSubHeader' id = 'tapToRestart'>" + restartText + "</div>";
		if (allZ) {
			for (i = 0; i < highscores.length; i++) {
				if (highscores[i] !== 0) {
					allZ = 0;
				}
			}
		}
	}
	messages['gameover'] += "<div class='fltrt' id='tweetStuff'><a class='tweet' href='https://twitter.com/intent/tweet?text=Can you beat my score of "+ score +" points at&button_hashtag=hextris ? http://hextris.github.io/hextris @hextris' data-lang='en' data-related='hextris:hextris' target='_blank'>Share Your Score on Twitter!!!</a></div>"
	$(".overlay").html(messages[text]);
	$(".overlay").fadeIn("1000", "swing");

	if (text == 'gameover') {
		if (settings.platform == 'mobile') {
			$('.tg').css('margin-top', '6px');
			$("#tapToRestart").css('margin-top','-19px')
		}
	}
}

function setMainMenu() {
	gameState = 4;
	canRestart = false;
	setTimeout(function() {
		canRestart = 's';
	}, 500);
	$('#restartBtn').hide();
	if ($("#pauseBtn").replace(/^.*[\\\/]/, '') == "btn_pause.svg") {
		$("#pauseBtn").attr("src","./images/btn_resume.svg");
	} else {
		$("#pauseBtn").attr("src","./images/btn_pause.svg");
	}
}

function hideText() {
	$(".overlay").fadeOut("1000", function() {
		$(".overlay").html("");
	})
}

function gameOverDisplay() {
	if( localStorage.getItem("been_mobile") != "true" || true){
		settings.ending_block=true;
		if(settings.os == "android"){
			sweetAlert({
				title: "Hey we'll only bother you once ",
				text:"We do have an Android app!",
				showCancelButton: true,
				closeOnCancel: true ,
				confirmButtonText: "Take me to it!",
				},function(isConfirm){
					if(isConfirm){
						window.location.href="https://play.google.com/store/apps/details?id=com.hextris.hextris"
					}
					else{
						settings.end_block=false;
					}
				
				});
		}
		if(settings.os == "ios"){
			sweetAlert({
				title: "Hey we'll only bother you once ",
				text:"We do have an IOS app!",
				showCancelButton: true,
				closeOnCancel: true ,
				confirmButtonText: "Take me to it!",
				},function(isConfirm){
					if(isConfirm){
						window.location.href="https://itunes.apple.com/us/app/hextris/id903769553?mt=8";
					}
					else{
						settings.end_block=false;
					}
				});
		}

	}
	localStorage.setItem("been_mobile", "true");
	$("#attributions").show();
	var c = document.getElementById("canvas");
	c.className = "blur";
	showText('gameover');
	showbottombar();
}

function pause(o) {
	writeHighScores();
	var message;
	if (o) {
		message = '';
	} else {
		message = 'paused';
	}

	var c = document.getElementById("canvas");
	if (gameState == -1) {
		$('#fork-ribbon').fadeOut(150, 'linear');
		$('#restartBtn').fadeOut(150, "linear");
		if ($('#helpScreen').is(':visible')) {
			$('#helpScreen').fadeOut(150, "linear");
		}

		$("#pauseBtn").attr("src", "./images/btn_pause.svg");
		$('.helpText').fadeOut(200, 'linear');
		hideText();
		hidebottombar();
		setTimeout(function() {
			gameState = prevGameState;
		}, 200)
	} else if (gameState != -2 && gameState !== 0 && gameState !== 2) {
		$('#restartBtn').fadeIn(150, "linear");
		$('.helpText').fadeIn(200, 'linear');
		showbottombar();
		if (message == 'paused') {
			showText(message);
		}
		$('#fork-ribbon').fadeIn(150, 'linear');

		$("#pauseBtn").attr("src","./images/btn_resume.svg");
		prevGameState = gameState;
		gameState = -1;
	}
}