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

/**** 
* Classes
****/ 
var Chicken = Container.expand(function () {
	var self = Container.call(this);
	var chickenGraphics = self.attachAsset('chicken', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.hasEgg = true;
	self.egg = null;
	return self;
});
var Egg = Container.expand(function () {
	var self = Container.call(this);
	var eggGraphics = self.attachAsset('egg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.isCollected = false;
	self.isDelivered = false;
	self.underChicken = null;
	return self;
});
var Farmer = Container.expand(function () {
	var self = Container.call(this);
	var farmerGraphics = self.attachAsset('farmer', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 3;
	self.direction = 1;
	self.patrolPoints = [];
	self.currentPoint = 0;
	self.lastX = 0;
	self.lastY = 0;
	self.update = function () {
		// Store last position
		self.lastX = self.x;
		self.lastY = self.y;
		// Check if weasel has an egg and if farmer should chase
		if (weasel && weasel.hasEgg) {
			// Chase the weasel at a faster speed
			var chaseSpeed = self.speed * 1.5;
			var dx = weasel.x - self.x;
			var dy = weasel.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > chaseSpeed) {
				self.x += dx / distance * chaseSpeed;
				self.y += dy / distance * chaseSpeed;
			}
		} else if (self.patrolPoints.length > 0) {
			var targetPoint = self.patrolPoints[self.currentPoint];
			// Move toward target point
			var dx = targetPoint.x - self.x;
			var dy = targetPoint.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > self.speed) {
				self.x += dx / distance * self.speed;
				self.y += dy / distance * self.speed;
			} else {
				// Point reached, move to next point
				self.currentPoint = (self.currentPoint + 1) % self.patrolPoints.length;
			}
			// Randomly change direction occasionally
			if (Math.random() < 0.005) {
				self.currentPoint = Math.floor(Math.random() * self.patrolPoints.length);
			}
		}
	};
	return self;
});
// Set farm background color
var Weasel = Container.expand(function () {
	var self = Container.call(this);
	// Use an animated gif for the weasel
	var weaselGraphics = self.attachAsset('weasel_gif', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// If the gif asset is not available, fallback to static image
	if (!weaselGraphics) {
		weaselGraphics = self.attachAsset('weasel', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	}
	self.speed = 10; // Increased from 5 to 10 for faster movement
	self.hasEgg = false;
	self.carryingEgg = null;
	self.targetX = undefined;
	self.targetY = undefined;
	self.lastX = 0;
	self.lastY = 0;
	self.update = function () {
		self.lastX = self.x;
		self.lastY = self.y;
		// Follow mouse click target if it exists
		if (self.targetX !== undefined && self.targetY !== undefined) {
			var dx = self.targetX - self.x;
			var dy = self.targetY - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			// If we're close enough to the target, stop moving
			if (distance < self.speed) {
				self.x = self.targetX;
				self.y = self.targetY;
				// Clear the target once reached
				self.targetX = undefined;
				self.targetY = undefined;
			} else {
				// Move toward the target
				self.x += dx / distance * self.speed;
				self.y += dy / distance * self.speed;
			}
			// Update egg position if carrying one
			if (self.hasEgg && self.carryingEgg) {
				self.carryingEgg.x = self.x;
				self.carryingEgg.y = self.y - 30;
			}
		}
		// Alert nearby chickens and farmer when near eggs
		if (eggs && chickens) {
			for (var i = 0; i < eggs.length; i++) {
				var egg = eggs[i];
				if (!egg.isCollected && egg.underChicken) {
					// Calculate distance to egg
					var dx = self.x - egg.x;
					var dy = self.y - egg.y;
					var distance = Math.sqrt(dx * dx + dy * dy);
					// If close to an egg, make the chicken flutter
					if (distance < 150 && egg.underChicken) {
						// Make chicken flutter by adding a slight movement
						var chicken = egg.underChicken;
						if (LK.ticks % 10 === 0) {
							chicken.x += (Math.random() - 0.5) * 5;
							chicken.y += (Math.random() - 0.5) * 5;
						}
					}
				}
			}
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
// Set farm background color
game.setBackgroundColor(0x7CFC00);
// Game variables
var gameWidth = 2048;
var gameHeight = 2732;
var score = 0;
var weasel;
var farmer;
var chickens = [];
var eggs = [];
var coop;
var exit;
var dragNode = null;
var isGameOver = false;
var lastIntersectingFarmer = false;
var totalEggs = 8;
var eggsDelivered = 0;
// Create chicken coop area
coop = game.addChild(LK.getAsset('coop', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: gameWidth / 2,
	y: gameHeight / 2,
	alpha: 0.3
}));
// Create exit at bottom of screen
exit = game.addChild(LK.getAsset('exit', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: gameWidth / 2,
	y: gameHeight - 100
}));
// Create score text (show total score, 10 points per egg)
var scoreTxt = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Create best score text
var bestScore = storage.bestScore || 0;
var bestScoreTxt = new Text2('Best: ' + bestScore, {
	size: 60,
	fill: 0xFFFFFF
});
bestScoreTxt.anchor.set(0.5, 0);
bestScoreTxt.y = 80; // Position below the main score
LK.gui.top.addChild(bestScoreTxt);
// Create the player character (weasel)
weasel = new Weasel();
weasel.x = gameWidth / 2;
weasel.y = gameHeight - 200;
weasel.lastX = weasel.x;
weasel.lastY = weasel.y;
game.addChild(weasel);
// Create the farmer
farmer = new Farmer();
farmer.x = gameWidth / 4;
farmer.y = gameHeight / 3;
farmer.lastX = farmer.x;
farmer.lastY = farmer.y;
game.addChild(farmer);
// Set up farmer patrol points
farmer.patrolPoints = [{
	x: gameWidth / 4,
	y: gameHeight / 3
}, {
	x: 3 * gameWidth / 4,
	y: gameHeight / 3
}, {
	x: 3 * gameWidth / 4,
	y: 2 * gameHeight / 3
}, {
	x: gameWidth / 4,
	y: 2 * gameHeight / 3
}];
// Create chickens and eggs
for (var i = 0; i < totalEggs; i++) {
	var chicken = new Chicken();
	// Position chickens in a grid-like pattern
	var row = Math.floor(i / 4);
	var col = i % 4;
	chicken.x = (col + 1) * (gameWidth / 5);
	chicken.y = (row + 1) * (gameHeight / 4);
	game.addChild(chicken);
	chickens.push(chicken);
	// Create egg under chicken
	var egg = new Egg();
	egg.x = chicken.x;
	egg.y = chicken.y;
	egg.underChicken = chicken;
	chicken.egg = egg;
	// Add egg to the game so it's visible
	game.addChild(egg);
	eggs.push(egg);
}
// Drag handling functions
function handleMove(x, y, obj) {
	if (dragNode && !isGameOver) {
		dragNode.x = x;
		dragNode.y = y;
		// Check if weasel is carrying an egg
		if (weasel.hasEgg && weasel.carryingEgg) {
			weasel.carryingEgg.x = weasel.x;
			weasel.carryingEgg.y = weasel.y - 30;
		}
	}
}
// We don't need move handler since we're following clicks
game.move = function (x, y, obj) {};
game.down = function (x, y, obj) {
	if (!isGameOver) {
		// Instead of setting dragNode, set a target position for the weasel to follow
		weasel.targetX = x;
		weasel.targetY = y;
	}
};
game.up = function (x, y, obj) {
	dragNode = null;
};
// Main game update logic
game.update = function () {
	// Skip updates if game is over
	if (isGameOver) return;
	// Update farmer and weasel positions
	farmer.update();
	weasel.update();
	// Check for farmer collision
	var intersectingFarmer = weasel.intersects(farmer);
	if (!lastIntersectingFarmer && intersectingFarmer) {
		// Weasel got caught by farmer
		isGameOver = true;
		// Check if we should update best score
		if (score > (storage.bestScore || 0)) {
			storage.bestScore = score;
			bestScoreTxt.setText('Best: ' + storage.bestScore);
		}
		LK.getSound('caught').play();
		LK.effects.flashScreen(0xFF0000, 1000);
		LK.showGameOver();
	}
	lastIntersectingFarmer = intersectingFarmer;
	// Check for egg pickup
	for (var i = 0; i < eggs.length; i++) {
		var egg = eggs[i];
		if (!egg.isCollected && egg.underChicken && weasel.intersects(egg.underChicken)) {
			// Weasel is near a chicken with an egg
			if (!weasel.hasEgg) {
				// Pick up the egg
				egg.isCollected = true;
				egg.underChicken.hasEgg = false;
				weasel.hasEgg = true;
				weasel.carryingEgg = egg;
				game.addChild(egg); // Move egg to top layer
				LK.getSound('pickup').play();
				// When egg is taken, immediately alert the farmer by increasing his speed temporarily
				var oldSpeed = farmer.speed;
				farmer.speed = farmer.speed * 2;
				LK.setTimeout(function () {
					farmer.speed = oldSpeed;
				}, 3000);
			}
		}
	}
	// Check for egg delivery
	if (weasel.hasEgg && weasel.carryingEgg && weasel.intersects(exit)) {
		// Deliver the egg
		weasel.carryingEgg.isDelivered = true;
		weasel.hasEgg = false;
		// Remove the delivered egg
		if (weasel.carryingEgg.parent) {
			weasel.carryingEgg.parent.removeChild(weasel.carryingEgg);
		}
		eggsDelivered++;
		score += 10;
		LK.setScore(score);
		scoreTxt.setText("Score: " + score);
		LK.getSound('success').play();
		// Check for win condition
		if (eggsDelivered >= totalEggs) {
			// All eggs delivered, reset eggs and continue game
			eggsDelivered = 0;
			scoreTxt.setText("Score: " + score);
			// Reset eggs and chickens
			for (var i = 0; i < eggs.length; i++) {
				var egg = eggs[i];
				var chicken = chickens[i];
				egg.isCollected = false;
				egg.isDelivered = false;
				egg.x = chicken.x;
				egg.y = chicken.y;
				egg.underChicken = chicken;
				chicken.hasEgg = true;
				chicken.egg = egg;
				// Add egg back to game if not present
				if (!egg.parent) {
					game.addChild(egg);
				}
			}
			LK.effects.flashScreen(0x00FF00, 1000);
		}
		weasel.carryingEgg = null;
	}
	// Make chickens occasionally look around (random movement)
	if (LK.ticks % 60 === 0) {
		for (var j = 0; j < chickens.length; j++) {
			if (Math.random() < 0.3) {
				var chicken = chickens[j];
				var randomOffsetX = (Math.random() - 0.5) * 20;
				var randomOffsetY = (Math.random() - 0.5) * 20;
				tween(chicken, {
					x: chicken.x + randomOffsetX,
					y: chicken.y + randomOffsetY
				}, {
					duration: 500
				});
			}
		}
	}
};