var ScoreBackground = Container.expand(function () {
	var self = Container.call(this);
	var scoreBgGraphics = self.createAsset('scoreBg', 'Score Background', 0.5, 0);
});
var PresentIcon = Container.expand(function () {
	var self = Container.call(this);
	var presentIconGraphics = self.createAsset('presentIcon', 'Present Icon', 0.5, 0.5);
});
var PresentTopper = Container.expand(function (speed) {
	var self = Container.call(this);
	var topperGraphics = self.createAsset('presentTopper', 'Present Topper', 0.5, 1);
	self.speed = speed;
	self.move = function () {
		self.x -= self.speed;
	};
});
var RandomMover = Container.expand(function () {
	var self = Container.call(this);
	var moverGraphics = self.createAsset('randomMover', 'Random Mover', 0.5, 0.5);
	self.speedX = (Math.random() * 4 - 2) * 4;
	self.speedY = (Math.random() * 4 - 2) * 4;
	self.move = function () {
		self.x += self.speedX;
		self.y += self.speedY;
		if (self.x < 0 || self.x > 2048) {
			self.speedX *= -1;
		}
		if (self.y < 0 || self.y > 2732) {
			self.speedY *= -1;
		}
	};
});
var LifeIcon = Container.expand(function () {
	var self = Container.call(this);
	var lifeIconGraphics = self.createAsset('lifeIcon', 'Life Icon', 0.5, 0.5);
});
var Star = Container.expand(function () {
	var self = Container.call(this);
	var starGraphics = self.createAsset('star', 'Star', 0.5, 0.5);
	self.speed = 2 + Math.random() * 3;
	self.move = function () {
		self.x -= self.speed;
		if (self.x < -self.width) {
			self.destroy();
			return true;
		}
		return false;
	};
});
var Santa = Container.expand(function () {
	var self = Container.call(this);
	self.resetPresents = function () {
		this.presentCounter = 5;
		this.parent.presentIcons.forEach((function (icon, index) {
			icon.visible = index < this.presentCounter;
		}).bind(this));
	};
	var santaGraphics = self.createAsset('santa', 'Santa character', .5, .5);
	self.move = function () {
		if (this.lastTouchPosition) {
			var dx = this.lastTouchPosition.x - this.x;
			var dy = this.lastTouchPosition.y - this.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			var speed = 10;
			if (distance > speed) {
				dx = dx / distance * speed;
				dy = dy / distance * speed;
			}
			this.x += dx;
			this.y += dy;
			if (distance < speed) {
				this.lastTouchPosition = null;
			}
		}
	};
	self.throwPresent = function () {
		if (this.presentCounter > 0) {
			var present = new Present();
			present.x = this.x;
			present.y = this.y;
			this.parent.addChild(present);
			this.parent.presents.push(present);
			this.presentCounter--;
			this.parent.presentIcons.forEach((function (icon, index) {
				icon.visible = index < this.presentCounter;
			}).bind(this));
		}
		if (this.presentCounter === 0) {
			this.parent.hazardSpeed *= 1.5;
			this.parent.hazardSpawnRate = Math.max(this.parent.hazardSpawnRate * 0.8, 20);
			this.parent.rudolph.visible = true;
		} else {
			this.parent.rudolph.visible = false;
		}
	};
});
var Present = Container.expand(function () {
	var self = Container.call(this);
	var presentGraphics = self.createAsset('present', 'Present', .5, .5);
	self.move = function (hazards) {
		this.y += 5;
		hazards.forEach((function (hazard) {
			if (this.intersects(hazard)) {
				LK.effects.flashObject(this, 0xff0000, 300);
				LK.setTimeout((function () {
					this.destroy();
				}).bind(this), 300);
			}
		}).bind(this));
	};
});
var Chimney = Container.expand(function () {
	var self = Container.call(this);
	var chimneyGraphics = self.createAsset('chimney', 'Chimney', .5, .5);
	self.originalTint = 0xFFFFFF;
	self.presentDeliveredTint = 0x808080;
	self.hasPresent = false;
	self.speed = 2;
	self.move = function () {
		self.x -= self.speed;
		if (self.x < -self.width) {
			self.x = 2048;
		}
	};
	self.checkCollision = function () {};
});
var Hazard = Container.expand(function () {
	var self = Container.call(this);
	var hazardGraphics = self.createAsset('hazard', 'Hazard', .5, .5);
	self.move = function () {
		self.x -= self.speed;
		if (self.x < -self.width) {
			self.destroy();
			return true;
		}
		return false;
	};
});
var Game = Container.expand(function () {
	var self = Container.call(this);
	self.toppers = [];
	self.stars = [];
	var starSpawnRate = 15;
	var starSpawnCounter = 0;
	var santa = self.addChild(new Santa());
	santa.x = 2048 / 2;
	santa.y = 2732 / 2;
	santa.presentDropTimer = 0;
	self.lastTapTime = 0;
	self.rudolph = self.addChild(new RandomMover());
	self.rudolph.x = Math.random() * 2048;
	self.rudolph.y = Math.random() * 2732;
	self.rudolph.visible = false;
	santa.lives = 3;
	self.lifeIcons = [];
	var lifeIconSpacing = 20;
	var lifeIconSize = 64;
	for (var i = 0; i < santa.lives; i++) {
		var lifeIcon = new LifeIcon();
		lifeIcon.x = lifeIconSpacing + 50 + i * (lifeIconSize + lifeIconSpacing);
		lifeIcon.y = lifeIconSpacing + 50;
		self.lifeIcons.push(lifeIcon);
		LK.gui.topLeft.addChild(lifeIcon);
	}
	santa.presentCounter = 5;
	self.presents = [];
	var chimneys = [];
	var hazards = [];
	var hazardSpeed = 8;
	var hazardSpawnRate = 80;
	var hazardSpawnCounter = 0;
	var rudolphSpawnCounter = 0;
	var scoreBackground = new ScoreBackground();
	scoreBackground.x = 2048 / 2;
	scoreBackground.y = 0;
	self.addChild(scoreBackground);
	var scoreTxt = new Text2('0', {
		size: 150,
		fill: "#ffffff"
	});
	self.presentIcons = [];
	for (var i = 0; i < santa.presentCounter; i++) {
		var presentIcon = new PresentIcon();
		presentIcon.x = 60 + i * (presentIcon.width + 10);
		presentIcon.y = self.lifeIcons[self.lifeIcons.length - 1].y + lifeIconSize + lifeIconSpacing;
		self.presentIcons.push(presentIcon);
		LK.gui.topLeft.addChild(presentIcon);
	}
	var maxChimneys = 5;
	LK.on('tick', function () {
		var currentTick = LK.ticks;
		santa.move();
		if (santa.presentDropTimer++ >= 120) {
			santa.throwPresent();
			santa.presentDropTimer = 0;
		}
		stage.on('down', function (obj) {
			var event = obj.event;
			santa.lastTouchPosition = event.getLocalPosition(self);
		});
		self.toppers = self.toppers.filter(function (topper) {
			return topper.x + topper.width > 0;
		});
		self.toppers.forEach(function (topper) {
			topper.move();
		});
		if (starSpawnCounter++ >= starSpawnRate) {
			var newStar = new Star();
			newStar.x = 2048;
			newStar.y = Math.random() * (2732 * 0.8);
			self.stars.push(newStar);
			self.addChild(newStar);
			starSpawnCounter = 0;
		}
		if (chimneys.length < maxChimneys) {
			var lastChimney = chimneys[chimneys.length - 1];
			var chimneySpacing = 500;
			if (!lastChimney || lastChimney.x < 2048 - chimneySpacing) {
				var newChimney = new Chimney();
				newChimney.x = 2048;
				newChimney.y = 2732 - newChimney.height - Math.random() * 500 + 750;
				chimneys.push(newChimney);
				self.addChild(newChimney);
			}
		}
		chimneys.forEach(function (chimney) {
			chimney.move();
			self.presents.forEach(function (present, index) {
				if (present.intersects(chimney) && !chimney.hasPresent) {
					present.destroy();
					self.presents.splice(index, 1);
					chimney.hasPresent = true;
					chimney.tint = chimney.presentDeliveredTint;
					var newScore = LK.getScore() + 1;
					LK.setScore(newScore);
					scoreTxt.setText(newScore.toString());
					var presentTopper = new PresentTopper(chimney.speed);
					presentTopper.x = chimney.x;
					presentTopper.y = chimney.y - chimney.height / 2;
					self.addChild(presentTopper);
					self.toppers.push(presentTopper);
				}
			});
		});
		chimneys = chimneys.filter(function (chimney) {
			return chimney.x + chimney.width > 0;
		});
	});
	scoreTxt.anchor.set(.5, 0);
	LK.gui.topCenter.addChild(scoreBackground);
	LK.gui.topCenter.addChild(scoreTxt);
	LK.on('tick', function () {
		for (var i = 0; i < self.presents.length; i++) {
			self.presents[i].move(hazards);
		}
		for (var i = 0; i < chimneys.length; i++) {
			chimneys[i].checkCollision();
		}
		if (hazardSpawnCounter++ >= hazardSpawnRate) {
			var newHazard = new Hazard();
			newHazard.x = 2048;
			newHazard.y = Math.random() * (2732 * 0.6) + 2732 * 0.2;
			newHazard.speed = hazardSpeed;
			hazards.push(newHazard);
			self.addChild(newHazard);
			hazardSpawnCounter = 0;
		}
		hazards = hazards.filter(function (hazard) {
			return !hazard.move();
		});
		var santaHit = false;
		hazards.forEach(function (hazard, index) {
			if (!santaHit && santa.intersects(hazard)) {
				LK.effects.flashObject(santa, 0xffff00, 500);
				hazard.destroy();
				hazards.splice(index, 1);
				santaHit = true;
				santa.lives--;
				if (self.lifeIcons.length > santa.lives) {
					var removedLifeIcon = self.lifeIcons.pop();
					removedLifeIcon.destroy();
				}
				if (santa.lives <= 0) {
					LK.showGameOver();
				}
			}
		});
		hazards = hazards.filter(function (hazard) {
			return !hazard.hitSanta;
		});
		self.stars = self.stars.filter(function (star) {
			return !star.move();
		});
		self.rudolph.move();
		if (santa.intersects(self.rudolph)) {
			santa.resetPresents();
			self.rudolph.visible = false;
		}
	});
});