/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
// Arti (hazard) class
var Arti = Container.expand(function () {
	var self = Container.call(this);
	var artiSprite = self.attachAsset('Arti', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = artiSprite.width * 0.5;
	self.lifetime = 180; // 3 seconds at 60fps
	self.update = function () {
		if (self.lifetime > 0) {
			self.lifetime--;
			if (self.lifetime === 0) {
				if (self.parent) self.parent.removeChild(self);
				self.destroy();
			}
		}
		// Track last position for possible future use
		if (self.lastX === undefined) self.lastX = self.x;
		if (self.lastY === undefined) self.lastY = self.y;
		self.lastX = self.x;
		self.lastY = self.y;
	};
	return self;
});
// Hamster (player) class
var Hamster = Container.expand(function () {
	var self = Container.call(this);
	var hamsterSprite = self.attachAsset('hamster', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = hamsterSprite.width * 0.5;
	// For collision, use self.x, self.y, self.radius
	// No per-instance update needed; movement is handled by drag
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0xffffff
});

/**** 
* Game Code
****/ 
// Game constants 
var GAME_WIDTH = 2048;
var GAME_HEIGHT = 2732;
var HAMSTER_START_X = GAME_WIDTH / 2;
var HAMSTER_START_Y = GAME_HEIGHT - 500;
// --- Persistent game state (persists across game restarts) ---
if (typeof artiList === "undefined") {
	artiList = [];
}
if (typeof artiSpawnTimer === "undefined") {
	artiSpawnTimer = 0;
}
if (typeof levelTimerTicks === "undefined") {
	levelTimerTicks = 0;
}
if (typeof levelCompleted === "undefined") {
	levelCompleted = false;
}
// --- Level timer display ---
var timerText = new Text2("30", {
	size: 120,
	fill: 0x222222
});
timerText.anchor.set(0.5, 0); // center top
LK.gui.top.addChild(timerText);
// --- Level counter display (top left, avoid 100x100 menu area) ---
if (typeof levelNumber === "undefined") {
	levelNumber = 1;
}
var levelText = new Text2("Level " + levelNumber, {
	size: 100,
	fill: 0x222222
});
levelText.anchor.set(0, 0); // top left
levelText.x = 120; // leave space for menu
levelText.y = 10;
LK.gui.addChild(levelText);
// Camera state
var cameraOffsetX = 0;
var cameraOffsetY = 0;
// Game state
var hamster = null;
var dragNode = null;
// --- Inactivity timer for hamster ---
if (typeof hamsterLastMoveTick === "undefined") {
	hamsterLastMoveTick = 0;
}
if (typeof hamsterDeadByInactivity === "undefined") {
	hamsterDeadByInactivity = false;
}
// --- Infinite grass background ---
var bgGrass1 = LK.getAsset('grass', {
	anchorX: 0,
	anchorY: 0,
	width: GAME_WIDTH,
	height: GAME_HEIGHT
});
var bgGrass2 = LK.getAsset('grass', {
	anchorX: 0,
	anchorY: 0,
	width: GAME_WIDTH,
	height: GAME_HEIGHT
});
bgGrass1.y = 0;
bgGrass2.y = -GAME_HEIGHT;
game.addChild(bgGrass1);
game.addChild(bgGrass2);
// --- Hamster ---
// Allow dragging hamster from anywhere on the screen
hamster = new Hamster();
hamster.x = HAMSTER_START_X;
hamster.y = HAMSTER_START_Y;
game.addChild(hamster);
game.down = function (x, y, obj) {
	dragNode = hamster;
};
game.up = function (x, y, obj) {
	dragNode = null;
};
game.move = function (x, y, obj) {
	if (dragNode) {
		// No camera offset needed; use screen coordinates directly
		var nx = x;
		var ny = y;
		var r = hamster.radius;
		if (nx < r) nx = r;
		if (nx > GAME_WIDTH - r) nx = GAME_WIDTH - r;
		if (ny < r + 100) ny = r + 100; // Don't allow top 100px (menu)
		if (ny > GAME_HEIGHT - r) ny = GAME_HEIGHT - r;
		hamster.x = nx;
		hamster.y = ny;
		// Reset inactivity timer on move
		hamsterLastMoveTick = levelTimerTicks;
		hamsterDeadByInactivity = false;
	}
};
// --- Game update ---
game.update = function () {
	// Camera does not follow hamster; keep cameraOffsetX and cameraOffsetY at 0
	cameraOffsetX = 0;
	cameraOffsetY = 0;
	// --- Level timer logic ---
	// Do not re-initialize levelTimerTicks or levelCompleted here; they persist globally
	if (!levelCompleted) {
		levelTimerTicks++;
		// Update timer display (show seconds left, min 0)
		var secondsLeft = Math.max(0, 30 - Math.floor(levelTimerTicks / 60));
		timerText.setText(secondsLeft.toString());
		if (levelTimerTicks >= 1800) {
			// 30 seconds at 60fps
			levelCompleted = true;
			levelNumber++;
			if (typeof levelText !== "undefined") {
				levelText.setText("Level " + levelNumber);
			}
			LK.showYouWin();
			// Reset timer for next level, allow game to continue
			levelTimerTicks = 0;
			levelCompleted = false;
			return;
		}
	}
	// --- Hamster inactivity death logic ---
	if (!hamsterDeadByInactivity && levelTimerTicks - hamsterLastMoveTick >= 900) {
		// 15 seconds * 60fps = 900
		hamsterDeadByInactivity = true;
		LK.effects.flashScreen(0xff0000, 1000);
		levelTimerTicks = 0;
		levelCompleted = false;
		levelNumber = 1;
		if (typeof levelText !== "undefined") {
			levelText.setText("Level " + levelNumber);
		}
		// Ensure next run starts at level 1
		levelNumber = 1;
		LK.showGameOver();
	}
	// Scroll background grass downward
	var speed = 8;
	bgGrass1.y += speed;
	bgGrass2.y += speed;
	// Keep backgrounds fixed horizontally
	bgGrass1.x = 0;
	bgGrass2.x = 0;
	// Loop grass backgrounds
	if (bgGrass1.y >= GAME_HEIGHT) {
		bgGrass1.y = bgGrass2.y - GAME_HEIGHT;
	}
	if (bgGrass2.y >= GAME_HEIGHT) {
		bgGrass2.y = bgGrass1.y - GAME_HEIGHT;
	}
	// --- Arti logic ---
	// Do not re-initialize artiList and artiSpawnTimer here; they persist globally
	// Spawn arti infinitely at regular intervals (every 1.5 seconds)
	artiSpawnTimer++;
	if (artiSpawnTimer > 90) {
		var arti = new Arti();
		// Place arti at a random position, not too close to top menu or hamster
		var margin = 120;
		var safeRadius = (hamster && hamster.radius ? hamster.radius : 90) + (arti.radius ? arti.radius : 64) + 120; // 120px extra buffer
		var maxTries = 20;
		var tries = 0;
		var valid = false;
		var ax, ay;
		while (!valid && tries < maxTries) {
			ax = margin + Math.random() * (GAME_WIDTH - 2 * margin);
			ay = margin + 100 + Math.random() * (GAME_HEIGHT - 2 * margin - 100);
			if (hamster) {
				var dx = hamster.x - ax;
				var dy = hamster.y - ay;
				var dist = Math.sqrt(dx * dx + dy * dy);
				if (dist > safeRadius) {
					valid = true;
				}
			} else {
				valid = true;
			}
			tries++;
		}
		arti.x = ax;
		arti.y = ay;
		game.addChild(arti);
		artiList.push(arti);
		artiSpawnTimer = 0;
	}
	// Update and remove expired arti
	for (var i = artiList.length - 1; i >= 0; i--) {
		var arti = artiList[i];
		if (arti.lifetime <= 0) {
			artiList.splice(i, 1);
			continue;
		}
		// Collision detection (circle vs circle)
		var dx = hamster.x - arti.x;
		var dy = hamster.y - arti.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (arti.lastWasIntersecting === undefined) arti.lastWasIntersecting = false;
		var isIntersecting = dist < hamster.radius + arti.radius;
		if (!arti.lastWasIntersecting && isIntersecting) {
			// Hamster dies
			LK.effects.flashScreen(0xff0000, 1000);
			// Reset the timer (but artiList and artiSpawnTimer are NOT reset)
			levelTimerTicks = 0;
			levelCompleted = false;
			levelNumber = 1;
			if (typeof levelText !== "undefined") {
				levelText.setText("Level " + levelNumber);
			}
			// Ensure next run starts at level 1
			levelNumber = 1;
			LK.showGameOver();
		}
		arti.lastWasIntersecting = isIntersecting;
	}
};