StoveDial.prototype = Object.create(Phaser.Sprite.prototype);
StoveDial.prototype.constructor = StoveDial;

function StoveDial(x, y) {
	Phaser.Sprite.call(this, game, x, y, 'stove_dial');
	this.anchor.set(0.5);
	this.scale.set(1.3);
	this.smoothed = false;
	this.inputEnabled = true;
	game.add.existing(this);

	this.events.onInputDown.add(
		(function() { this.onDown(); }).bind(this),
		this
	);

	this.addDotSprite();

	this.burnLevel = HeatPlate.BURN_LEVEL_WEAK;
	this.setDialLevel();
}


StoveDial.prototype.addDotSprite = function() {
	this.dot = game.make.sprite(0, -27, "stove_dial_dot");
	this.dot.anchor.set(0.5);
	this.dot.smoothed = false;
	this.dot.tint = 0xff0000;
	this.addChild(this.dot);
}

StoveDial.prototype.onDown = function() {
	switch(this.burnLevel) {
		case HeatPlate.BURN_LEVEL_WEAK:
		this.burnLevel = HeatPlate.BURN_LEVEL_NORMAL;
		break;

		case HeatPlate.BURN_LEVEL_NORMAL:
		this.burnLevel = HeatPlate.BURN_LEVEL_STRONG;
		break;

		case HeatPlate.BURN_LEVEL_STRONG:
		this.burnLevel = HeatPlate.BURN_LEVEL_WEAK;
		break;
	}

	this.setDialLevel();
	this.onChangeDialLevel(this.burnLevel);
}

StoveDial.prototype.setOnChangeDialLevelHandler = function(eventHandler) {
	this.onChangeDialLevel = eventHandler;
}


StoveDial.prototype.setDialLevel = function() {
	switch(this.burnLevel) {
		case HeatPlate.BURN_LEVEL_WEAK:
		this.angle = 30;
		this.dot.tint = StoveDial.BURN_COLOR_WEAK;
		break;

		case HeatPlate.BURN_LEVEL_NORMAL:
		this.angle = 60;
		this.dot.tint = StoveDial.BURN_COLOR_NORMAL;
		break;

		case HeatPlate.BURN_LEVEL_STRONG:
		this.angle = 90;
		this.dot.tint = StoveDial.BURN_COLOR_STRONG;
		break;
	}
}

StoveDial.BURN_COLOR_WEAK		= 0xf7d708;
StoveDial.BURN_COLOR_NORMAL		= 0xbd5915;
StoveDial.BURN_COLOR_STRONG		= 0xcd0030;