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

/**** 
* Classes
****/ 
// CookArea: Cooks raw corn, can be tapped to cook, then send to order area
var CookArea = Container.expand(function () {
	var self = Container.call(this);
	var cookAsset = self.attachAsset('cook', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	cookAsset.width = 220;
	cookAsset.height = 220;
	self.rawCorn = 0;
	self.cookedCorn = 0;
	// Cooked corn icon
	var cookedAsset = self.attachAsset('cooked', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	});
	cookedAsset.width = 120;
	cookedAsset.height = 120;
	// Texts
	var rawTxt = new Text2('0', {
		size: 60,
		fill: "#fff"
	});
	rawTxt.anchor.set(0.5, 0.2);
	self.addChild(rawTxt);
	var cookedTxt = new Text2('0', {
		size: 60,
		fill: 0xFFB347
	});
	cookedTxt.anchor.set(0.5, 0.8);
	self.addChild(cookedTxt);
	self.addRawCorn = function (n) {
		self.rawCorn += n;
		rawTxt.setText(self.rawCorn);
		LK.effects.flashObject(cookAsset, 0xffff00, 200);
	};
	self.removeRawCorn = function (n) {
		if (self.rawCorn >= n) {
			self.rawCorn -= n;
			rawTxt.setText(self.rawCorn);
			return true;
		}
		return false;
	};
	self.addCookedCorn = function (n) {
		self.cookedCorn += n;
		cookedTxt.setText(self.cookedCorn);
		cookedAsset.alpha = 1;
		LK.effects.flashObject(cookedAsset, 0xffb347, 200);
	};
	self.removeCookedCorn = function (n) {
		if (self.cookedCorn >= n) {
			self.cookedCorn -= n;
			cookedTxt.setText(self.cookedCorn);
			if (self.cookedCorn === 0) cookedAsset.alpha = 0;
			return true;
		}
		return false;
	};
	self.down = function (x, y, obj) {
		if (self.rawCorn > 0) {
			// Cook one corn (takes time)
			self.removeRawCorn(1);
			LK.effects.flashObject(cookAsset, 0xffb347, 200);
			LK.setTimeout(function () {
				self.addCookedCorn(1);
			}, game.cookTime);
		} else if (self.cookedCorn > 0) {
			// Send cooked corn to order area
			var globalCook = self.toGlobal({
				x: 0,
				y: 0
			});
			var orderPos = game.orderArea.getGlobalCenter();
			var flyingCorn = LK.getAsset('cooked', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: globalCook.x,
				y: globalCook.y,
				width: 100,
				height: 100
			});
			game.addChild(flyingCorn);
			tween(flyingCorn, {
				x: orderPos.x,
				y: orderPos.y,
				alpha: 0.2
			}, {
				duration: 500,
				easing: tween.cubicOut,
				onFinish: function onFinish() {
					flyingCorn.destroy();
					if (self.removeCookedCorn(1)) {
						game.orderArea.addCorn(1);
					}
				}
			});
		}
	};
	self.getGlobalCenter = function () {
		var pos = self.toGlobal({
			x: 0,
			y: 0
		});
		return {
			x: pos.x,
			y: pos.y
		};
	};
	self.reset = function () {
		self.rawCorn = 0;
		self.cookedCorn = 0;
		rawTxt.setText('0');
		cookedTxt.setText('0');
		cookedAsset.alpha = 0;
	};
	// Add containsPoint method to CookArea
	self.containsPoint = function (point) {
		// Convert global point to local coordinates of the CookArea
		var localX = point.x - self.x;
		var localY = point.y - self.y;
		// cookAsset is centered at (0,0) with anchor 0.5,0.5
		var w = cookAsset.width;
		var h = cookAsset.height;
		// Check if localX, localY is inside cookAsset bounds
		return localX >= -w / 2 && localX <= w / 2 && localY >= -h / 2 && localY <= h / 2;
	};
	return self;
});
// CornBox: Stores harvested corn, can be tapped to send to cook area
var CornBox = Container.expand(function () {
	var self = Container.call(this);
	var boxAsset = self.attachAsset('box', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	boxAsset.width = 220;
	boxAsset.height = 220;
	self.cornCount = 0;
	// Corn count text
	var cornTxt = new Text2('0', {
		size: 80,
		fill: 0xFFF700
	});
	cornTxt.anchor.set(0.5, 0.5);
	self.addChild(cornTxt);
	self.addCorn = function (n) {
		self.cornCount += n;
		cornTxt.setText(self.cornCount);
		LK.effects.flashObject(boxAsset, 0xffff00, 200);
	};
	self.removeCorn = function (n) {
		if (self.cornCount >= n) {
			self.cornCount -= n;
			cornTxt.setText(self.cornCount);
			return true;
		}
		return false;
	};
	self.down = function (x, y, obj) {
		if (self.cornCount > 0) {
			// Animate corn to cook area
			var globalBox = self.toGlobal({
				x: 0,
				y: 0
			});
			var cookPos = game.cookArea.getGlobalCenter();
			var flyingCorn = LK.getAsset('corn', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: globalBox.x,
				y: globalBox.y,
				width: 100,
				height: 100
			});
			game.addChild(flyingCorn);
			tween(flyingCorn, {
				x: cookPos.x,
				y: cookPos.y,
				alpha: 0.2
			}, {
				duration: 500,
				easing: tween.cubicOut,
				onFinish: function onFinish() {
					flyingCorn.destroy();
					if (self.removeCorn(1)) {
						game.cookArea.addRawCorn(1);
					}
				}
			});
		}
	};
	self.getGlobalCenter = function () {
		var pos = self.toGlobal({
			x: 0,
			y: 0
		});
		return {
			x: pos.x,
			y: pos.y
		};
	};
	self.reset = function () {
		self.cornCount = 0;
		cornTxt.setText('0');
	};
	// Add containsPoint method to CornBox
	self.containsPoint = function (point) {
		// Convert global point to local coordinates of the CornBox
		var localX = point.x - self.x;
		var localY = point.y - self.y;
		// boxAsset is centered at (0,0) with anchor 0.5,0.5
		var w = boxAsset.width;
		var h = boxAsset.height;
		// Check if localX, localY is inside boxAsset bounds
		return localX >= -w / 2 && localX <= w / 2 && localY >= -h / 2 && localY <= h / 2;
	};
	return self;
});
// CornField: Represents a single field where corn can be planted, grown, and harvested
var CornField = Container.expand(function () {
	var self = Container.call(this);
	// States: 'empty', 'growing', 'ready'
	self.state = 'empty';
	self.index = 0; // set by game
	self.cornType = null; // for future upgrades
	// Field asset
	var fieldAsset = self.attachAsset('field', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	fieldAsset.width = 320;
	fieldAsset.height = 320;
	// Corn asset (hidden unless growing/ready)
	var cornAsset = self.attachAsset('corn', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	});
	cornAsset.width = 180;
	cornAsset.height = 180;
	// Grow time/ready text above corn
	var growTxt = new Text2('', {
		size: 60,
		fill: "#fff"
	});
	growTxt.anchor.set(0.5, 1);
	growTxt.x = 0;
	growTxt.y = -120;
	self.addChild(growTxt);
	// Cooldown text above field (for replant cooldown)
	var cooldownTxt = new Text2('', {
		size: 60,
		fill: 0xFF4444
	});
	cooldownTxt.anchor.set(0.5, 1);
	cooldownTxt.x = 0;
	cooldownTxt.y = -180;
	self.addChild(cooldownTxt);
	// Track grow start time for countdown
	self._growStart = null;
	self._growEnd = null;
	// Show field as locked if not unlocked
	var lockAsset = self.attachAsset('lock', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	});
	lockAsset.width = 120;
	lockAsset.height = 120;
	// Track how many times this field has been planted
	self.plantCount = 0;
	// Plant corn if field is empty
	self.down = function (x, y, obj) {
		if (self.state === 'empty' && !self.locked) {
			if (self._replantCooldown) {
				// Show cooldown visually
				LK.effects.flashObject(fieldAsset, 0xff0000, 200);
				return;
			}
			self.plant();
		} else if (self.locked) {
			// Try to unlock if enough coins
			if (game.coins >= game.unlockCost) {
				game.coins -= game.unlockCost;
				self.unlock();
				game.updateCoins();
			} else {
				LK.effects.flashObject(lockAsset, 0xff0000, 500);
			}
		} else if (self.state === 'ready') {
			self.harvest();
		}
	};
	self.plant = function () {
		self.state = 'growing';
		cornAsset.alpha = 1;
		cornAsset.scaleX = 0.5;
		cornAsset.scaleY = 0.5;
		tween(cornAsset, {
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 400,
			easing: tween.easeOut
		});
		// Calculate grow time: 5s for first, +1s for each subsequent plant
		if (typeof self.plantCount !== "number") self.plantCount = 0;
		var growTime = 5000 + self.plantCount * 1000;
		self.plantCount++;
		// Start grow timer
		self._growStart = Date.now();
		self._growEnd = self._growStart + growTime;
		growTxt.setText(Math.ceil(growTime / 1000));
		self.growTimeout = LK.setTimeout(function () {
			self.state = 'ready';
			self._growStart = null;
			self._growEnd = null;
			growTxt.setText('ready');
			LK.effects.flashObject(cornAsset, 0xffff00, 400);
		}, growTime);
	};
	self.harvest = function () {
		if (self.state !== 'ready') return;
		self.state = 'empty';
		cornAsset.alpha = 0;
		growTxt.setText('');
		self._growStart = null;
		self._growEnd = null;
		// Animate corn flying to box
		var globalCorn = self.toGlobal({
			x: 0,
			y: 0
		});
		var boxPos = game.cornBox.getGlobalCenter();
		var flyingCorn = LK.getAsset('corn', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: globalCorn.x,
			y: globalCorn.y,
			width: 120,
			height: 120
		});
		game.addChild(flyingCorn);
		tween(flyingCorn, {
			x: boxPos.x,
			y: boxPos.y,
			alpha: 0.2
		}, {
			duration: 600,
			easing: tween.cubicOut,
			onFinish: function onFinish() {
				flyingCorn.destroy();
				game.cornBox.addCorn(1);
			}
		});
		// Start replant cooldown: prevent planting for 5 seconds
		self._replantCooldown = true;
		cooldownTxt.setText('5');
		var cooldownLeft = 5;
		self._replantCooldownTimer = LK.setInterval(function () {
			cooldownLeft--;
			if (cooldownLeft > 0) {
				cooldownTxt.setText('' + cooldownLeft);
			} else {
				LK.clearInterval(self._replantCooldownTimer);
				self._replantCooldown = false;
				cooldownTxt.setText('');
			}
		}, 1000);
	};
	self.locked = false;
	self.lock = function () {
		self.locked = true;
		lockAsset.alpha = 1;
		cornAsset.alpha = 0;
		self.state = 'empty';
	};
	self.unlock = function () {
		self.locked = false;
		lockAsset.alpha = 0;
	};
	self.setLocked = function (locked) {
		if (locked) self.lock();else self.unlock();
	};
	self.reset = function () {
		self.state = 'empty';
		cornAsset.alpha = 0;
		if (self.growTimeout) LK.clearTimeout(self.growTimeout);
		growTxt.setText('');
		self._growStart = null;
		self._growEnd = null;
		self.plantCount = 0;
		if (self._replantCooldownTimer) LK.clearInterval(self._replantCooldownTimer);
		self._replantCooldown = false;
		cooldownTxt.setText('');
	};
	// Update method for grow/ready text
	self.update = function () {
		if (self.state === 'growing' && self._growStart && self._growEnd) {
			var now = Date.now();
			var remain = Math.max(0, Math.ceil((self._growEnd - now) / 1000));
			if (remain > 0) {
				growTxt.setText(remain);
			} else {
				growTxt.setText('ready');
			}
		} else if (self.state === 'ready') {
			growTxt.setText('ready');
		} else {
			growTxt.setText('');
		}
		// Show/hide cooldown text depending on replant cooldown
		if (self._replantCooldown) {
			// cooldownTxt is already updated in the interval
			cooldownTxt.visible = true;
		} else {
			cooldownTxt.visible = false;
		}
	};
	// Add containsPoint method to CornField
	self.containsPoint = function (point) {
		// Convert global point to local coordinates of the field
		var localX = point.x - self.x;
		var localY = point.y - self.y;
		// fieldAsset is centered at (0,0) with anchor 0.5,0.5
		var w = fieldAsset.width;
		var h = fieldAsset.height;
		// Check if localX, localY is inside fieldAsset bounds
		return localX >= -w / 2 && localX <= w / 2 && localY >= -h / 2 && localY <= h / 2;
	};
	return self;
});
// OrderArea: Handles customer orders, sauces, and delivery
var OrderArea = Container.expand(function () {
	var self = Container.call(this);
	var orderAsset = self.attachAsset('order', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	orderAsset.width = 260;
	orderAsset.height = 260;
	self.cornCount = 0;
	self.currentOrder = null;
	self.sauces = ['ketchup', 'mayonnaise', 'cheese'];
	self.selectedSauces = [];
	// Corn icon
	var cornAsset = self.attachAsset('cooked', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	});
	cornAsset.width = 120;
	cornAsset.height = 120;
	// Order text
	var orderTxt = new Text2('', {
		size: 50,
		fill: "#fff"
	});
	orderTxt.anchor.set(0.5, 0.1);
	self.addChild(orderTxt);
	// Sauce icons
	self.sauceIcons = [];
	for (var i = 0; i < self.sauces.length; i++) {
		var s = self.sauces[i];
		var icon = self.attachAsset(s, {
			anchorX: 0.5,
			anchorY: 0.5,
			x: -60 + i * 60,
			y: 80,
			alpha: 0.5
		});
		icon.width = 60;
		icon.height = 60;
		icon.sauce = s;
		// Add containsPoint method to each sauce icon
		icon.containsPoint = function (point) {
			// point is relative to OrderArea, icon.x/y is relative to OrderArea
			var localX = point.x - icon.x;
			var localY = point.y - icon.y;
			var w = icon.width,
				h = icon.height;
			return localX >= -w / 2 && localX <= w / 2 && localY >= -h / 2 && localY <= h / 2;
		};
		self.sauceIcons.push(icon);
	}
	// Delivery button
	var deliverBtn = self.attachAsset('deliver', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: 120,
		alpha: 0.7
	});
	deliverBtn.width = 100;
	deliverBtn.height = 60;
	// Add corn to order area
	self.addCorn = function (n) {
		self.cornCount += n;
		cornAsset.alpha = 1;
		LK.effects.flashObject(cornAsset, 0xffb347, 200);
		self.updateOrderText();
	};
	self.removeCorn = function (n) {
		if (self.cornCount >= n) {
			self.cornCount -= n;
			if (self.cornCount === 0) cornAsset.alpha = 0;
			self.updateOrderText();
			return true;
		}
		return false;
	};
	self.updateOrderText = function () {
		if (!self.currentOrder) {
			orderTxt.setText('');
			return;
		}
		var txt = 'Sipariş: ';
		for (var i = 0; i < self.currentOrder.sauces.length; i++) {
			txt += self.currentOrder.sauces[i];
			if (i < self.currentOrder.sauces.length - 1) txt += ', ';
		}
		orderTxt.setText(txt);
	};
	self.newOrder = function () {
		// Random sauces (1-3)
		var n = 1 + Math.floor(Math.random() * self.sauces.length);
		var sauces = [];
		var used = {};
		while (sauces.length < n) {
			var idx = Math.floor(Math.random() * self.sauces.length);
			var s = self.sauces[idx];
			if (!used[s]) {
				sauces.push(s);
				used[s] = true;
			}
		}
		self.currentOrder = {
			sauces: sauces
		};
		self.selectedSauces = [];
		self.updateOrderText();
		for (var i = 0; i < self.sauceIcons.length; i++) {
			self.sauceIcons[i].alpha = 0.5;
		}
	};
	// Sauce selection
	self.sauceDown = function (sauce) {
		if (!self.currentOrder) return;
		if (self.selectedSauces.length >= self.currentOrder.sauces.length) return;
		if (self.selectedSauces.indexOf(sauce) !== -1) return;
		self.selectedSauces.push(sauce);
		for (var i = 0; i < self.sauceIcons.length; i++) {
			if (self.sauceIcons[i].sauce === sauce) {
				self.sauceIcons[i].alpha = 1;
			}
		}
	};
	// Deliver order
	self.deliver = function () {
		if (!self.currentOrder) return;
		if (self.cornCount < 1) return;
		// Check sauces
		var ok = true;
		for (var i = 0; i < self.currentOrder.sauces.length; i++) {
			if (self.selectedSauces.indexOf(self.currentOrder.sauces[i]) === -1) {
				ok = false;
				break;
			}
		}
		if (ok && self.selectedSauces.length === self.currentOrder.sauces.length) {
			// Success
			self.removeCorn(1);
			LK.effects.flashObject(orderAsset, 0x00ff00, 400);
			game.coins += game.orderReward;
			game.updateCoins();
			self.currentOrder = null;
			self.selectedSauces = [];
			LK.setTimeout(function () {
				self.newOrder();
			}, 800);
		} else {
			// Wrong sauces
			LK.effects.flashObject(orderAsset, 0xff0000, 400);
			self.selectedSauces = [];
			for (var i = 0; i < self.sauceIcons.length; i++) {
				self.sauceIcons[i].alpha = 0.5;
			}
		}
	};
	// Event handling
	self.down = function (x, y, obj) {
		// Check if sauce icon tapped
		for (var i = 0; i < self.sauceIcons.length; i++) {
			var icon = self.sauceIcons[i];
			if (icon.containsPoint({
				x: x - self.x,
				y: y - self.y
			})) {
				self.sauceDown(icon.sauce);
				return;
			}
		}
		// Check if deliver button tapped
		if (deliverBtn.containsPoint({
			x: x - self.x,
			y: y - self.y
		})) {
			self.deliver();
			return;
		}
	};
	self.getGlobalCenter = function () {
		var pos = self.toGlobal({
			x: 0,
			y: 0
		});
		return {
			x: pos.x,
			y: pos.y
		};
	};
	self.reset = function () {
		self.cornCount = 0;
		self.currentOrder = null;
		self.selectedSauces = [];
		cornAsset.alpha = 0;
		self.updateOrderText();
		for (var i = 0; i < self.sauceIcons.length; i++) {
			self.sauceIcons[i].alpha = 0.5;
		}
	};
	// Add containsPoint method to OrderArea
	self.containsPoint = function (point) {
		// Convert global point to local coordinates of the OrderArea
		var localX = point.x - self.x;
		var localY = point.y - self.y;
		// orderAsset is centered at (0,0) with anchor 0.5,0.5
		var w = orderAsset.width;
		var h = orderAsset.height;
		// Check if localX, localY is inside orderAsset bounds
		return localX >= -w / 2 && localX <= w / 2 && localY >= -h / 2 && localY <= h / 2;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2e7d32
});

/**** 
* Game Code
****/ 
// --- Game constants ---
game.cornGrowTime = 5000; // ms
game.cookTime = 2000; // ms
game.orderReward = 5;
game.unlockCost = 20;
game.maxFields = 4;
// --- Game state ---
game.coins = storage.coins || 10;
game.unlockedFields = 4;
// --- UI: Coins display ---
var coinsTxt = new Text2(game.coins + '₺', {
	size: 90,
	fill: 0xFFFDE7
});
coinsTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(coinsTxt);
game.updateCoins = function () {
	coinsTxt.setText(game.coins + '₺');
	storage.coins = game.coins;
	storage.unlockedFields = game.unlockedFields;
};
// --- Screen management ---
game.screens = ['field', 'boxcook', 'order'];
game.currentScreen = 0; // 0: field, 1: box/cook, 2: order
// --- Field grid ---
game.fields = [];
var fieldRows = 2;
var fieldCols = 2;
var fieldSpacing = 340;
var fieldStartX = 400;
var fieldStartY = 600;
function updateFieldGrid() {
	// Determine grid size based on unlocked fields
	var n = game.unlockedFields;
	if (n <= 4) {
		fieldRows = 2;
		fieldCols = 2;
	} else if (n <= 9) {
		fieldRows = 3;
		fieldCols = 3;
	} else {
		fieldRows = 4;
		fieldCols = 4;
	}
}
function layoutFields() {
	updateFieldGrid();
	for (var i = 0; i < game.maxFields; i++) {
		var row = Math.floor(i / fieldCols);
		var col = i % fieldCols;
		var x = fieldStartX + col * fieldSpacing;
		var y = fieldStartY + row * fieldSpacing;
		game.fields[i].x = x;
		game.fields[i].y = y;
	}
}
// Create fields
for (var i = 0; i < game.maxFields; i++) {
	var field = new CornField();
	field.index = i;
	game.addChild(field);
	game.fields.push(field);
}
function updateFieldLocks() {
	for (var i = 0; i < game.maxFields; i++) {
		if (i < game.unlockedFields) {
			game.fields[i].setLocked(false);
		} else {
			game.fields[i].setLocked(true);
		}
	}
}
updateFieldLocks();
layoutFields();
// --- Corn Box ---
game.cornBox = new CornBox();
game.cornBox.x = 2048 - 300;
game.cornBox.y = 700;
game.addChild(game.cornBox);
// --- Cook Area ---
game.cookArea = new CookArea();
game.cookArea.x = 2048 - 300;
game.cookArea.y = 1100;
game.addChild(game.cookArea);
// --- Order Area ---
game.orderArea = new OrderArea();
game.orderArea.x = 2048 - 300;
game.orderArea.y = 1550;
game.addChild(game.orderArea);
game.orderArea.newOrder();
// --- Unlock Button ---
// Place unlock button below the last unlocked field if possible
var unlockBtnContainer = new Container();
var unlockBtn = LK.getAsset('unlock', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 200,
	height: 100,
	alpha: 0.8
});
unlockBtnContainer.addChild(unlockBtn);
game.addChild(unlockBtnContainer);
var unlockTxt = new Text2('Tarla Aç (' + game.unlockCost + '₺)', {
	size: 50,
	fill: "#fff"
});
unlockTxt.anchor.set(0.5, 0.5);
game.addChild(unlockTxt);
// Add containsPoint method to unlockBtnContainer
unlockBtnContainer.containsPoint = function (point) {
	// Convert global point to local coordinates of the container
	var localX = point.x - unlockBtnContainer.x;
	var localY = point.y - unlockBtnContainer.y;
	// unlockBtn is centered at (0,0) with anchor 0.5,0.5
	var w = unlockBtn.width;
	var h = unlockBtn.height;
	// Check if localX, localY is inside unlockBtn bounds
	return localX >= -w / 2 && localX <= w / 2 && localY >= -h / 2 && localY <= h / 2;
};
// Update unlock button position and text
function updateUnlockBtn() {
	// Find the last unlocked field and position the button below it
	if (game.unlockedFields >= game.maxFields) {
		unlockBtn.alpha = 0.3;
		unlockBtnContainer.visible = false;
		unlockTxt.setText('Tüm Tarlalar Açık');
		unlockTxt.visible = false;
		return;
	}
	var lastIdx = game.unlockedFields - 1;
	if (lastIdx >= 0 && lastIdx < game.fields.length) {
		var lastField = game.fields[lastIdx];
		unlockBtnContainer.x = lastField.x;
		unlockBtnContainer.y = lastField.y + 220;
		unlockTxt.x = unlockBtnContainer.x;
		unlockTxt.y = unlockBtnContainer.y;
		unlockBtnContainer.visible = true;
		unlockTxt.visible = true;
	} else {
		// fallback: place at default
		unlockBtnContainer.x = 2048 / 2;
		unlockBtnContainer.y = 2000;
		unlockTxt.x = unlockBtnContainer.x;
		unlockTxt.y = unlockBtnContainer.y;
		unlockBtnContainer.visible = true;
		unlockTxt.visible = true;
	}
	unlockBtn.alpha = 0.8;
	unlockTxt.setText('Tarla Aç (' + game.unlockCost + '₺)');
}
updateUnlockBtn();
// --- Screen navigation buttons ---
var leftBtn = LK.getAsset('unlock', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 120,
	height: 120,
	x: 120,
	y: 2732 / 2,
	alpha: 0.7
});
var rightBtn = LK.getAsset('unlock', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 120,
	height: 120,
	x: 2048 - 120,
	y: 2732 / 2,
	alpha: 0.7
});
game.addChild(leftBtn);
game.addChild(rightBtn);
// Add containsPoint for nav buttons
leftBtn.containsPoint = function (point) {
	var localX = point.x - leftBtn.x;
	var localY = point.y - leftBtn.y;
	var w = leftBtn.width,
		h = leftBtn.height;
	return localX >= -w / 2 && localX <= w / 2 && localY >= -h / 2 && localY <= h / 2;
};
rightBtn.containsPoint = function (point) {
	var localX = point.x - rightBtn.x;
	var localY = point.y - rightBtn.y;
	var w = rightBtn.width,
		h = rightBtn.height;
	return localX >= -w / 2 && localX <= w / 2 && localY >= -h / 2 && localY <= h / 2;
};
// Nav button text
var leftTxt = new Text2('<', {
	size: 90,
	fill: "#fff"
});
leftTxt.anchor.set(0.5, 0.5);
leftTxt.x = leftBtn.x;
leftTxt.y = leftBtn.y;
game.addChild(leftTxt);
var rightTxt = new Text2('>', {
	size: 90,
	fill: "#fff"
});
rightTxt.anchor.set(0.5, 0.5);
rightTxt.x = rightBtn.x;
rightTxt.y = rightBtn.y;
game.addChild(rightTxt);
// --- Screen show/hide logic ---
function updateScreenVisibility() {
	// 0: field, 1: boxcook, 2: order
	var showField = game.currentScreen === 0;
	var showBoxCook = game.currentScreen === 1;
	var showOrder = game.currentScreen === 2;
	// Fields
	for (var i = 0; i < game.fields.length; i++) {
		game.fields[i].visible = showField;
	}
	unlockBtnContainer.visible = showField;
	unlockTxt.visible = showField;
	// Box & Cook
	game.cornBox.visible = showBoxCook;
	game.cookArea.visible = showBoxCook;
	// Order
	game.orderArea.visible = showOrder;
	// Nav buttons always visible
	leftBtn.visible = true;
	rightBtn.visible = true;
	leftTxt.visible = true;
	rightTxt.visible = true;
}
updateScreenVisibility();
// --- Touch handling ---
game.down = function (x, y, obj) {
	// Navigation buttons
	if (leftBtn.containsPoint({
		x: x,
		y: y
	})) {
		game.currentScreen = (game.currentScreen + 2) % 3;
		updateScreenVisibility();
		return;
	}
	if (rightBtn.containsPoint({
		x: x,
		y: y
	})) {
		game.currentScreen = (game.currentScreen + 1) % 3;
		updateScreenVisibility();
		return;
	}
	// Per-screen input
	if (game.currentScreen === 0) {
		// Field screen
		if (unlockBtnContainer.visible && unlockBtnContainer.containsPoint({
			x: x,
			y: y
		})) {
			if (game.coins >= game.unlockCost && game.unlockedFields < game.maxFields) {
				game.coins -= game.unlockCost;
				game.unlockedFields += 1;
				game.updateCoins();
				updateFieldLocks();
				layoutFields();
				updateUnlockBtn();
			} else {
				LK.effects.flashObject(unlockBtn, 0xff0000, 400);
			}
			return;
		}
		for (var i = 0; i < game.fields.length; i++) {
			var f = game.fields[i];
			if (f.visible && f.containsPoint({
				x: x,
				y: y
			})) {
				f.down(x - f.x, y - f.y, obj);
				return;
			}
		}
	} else if (game.currentScreen === 1) {
		// Box & Cook screen
		if (game.cornBox.visible && game.cornBox.containsPoint({
			x: x,
			y: y
		})) {
			game.cornBox.down(x - game.cornBox.x, y - game.cornBox.y, obj);
			return;
		}
		if (game.cookArea.visible && game.cookArea.containsPoint({
			x: x,
			y: y
		})) {
			game.cookArea.down(x - game.cookArea.x, y - game.cookArea.y, obj);
			return;
		}
	} else if (game.currentScreen === 2) {
		// Order screen
		if (game.orderArea.visible && game.orderArea.containsPoint({
			x: x,
			y: y
		})) {
			game.orderArea.down(x - game.orderArea.x, y - game.orderArea.y, obj);
			return;
		}
	}
};
// --- Game update ---
game.update = function () {
	// Update all fields for grow/ready text
	for (var i = 0; i < game.fields.length; i++) {
		if (game.fields[i].visible) {
			if (typeof game.fields[i].update === "function") {
				game.fields[i].update();
			}
		}
	}
	// No automatic planting: Corn only grows when planted by the player
};
// --- Reset function for new game ---
game.resetGame = function () {
	game.coins = 10;
	game.unlockedFields = 4;
	game.updateCoins();
	updateFieldLocks();
	layoutFields();
	updateUnlockBtn();
	for (var i = 0; i < game.fields.length; i++) {
		game.fields[i].reset();
	}
	game.cornBox.reset();
	game.cookArea.reset();
	game.orderArea.reset();
	game.orderArea.newOrder();
	// Reset to first screen and update visibility
	game.currentScreen = 0;
	updateScreenVisibility();
};
// --- Asset definitions (for static analysis) ---
// These are not real code, but LK will auto-create these assets as used above:
// field: green box, corn: yellow ellipse, lock: gray lock, box: brown box, cook: pot, cooked: orange ellipse, order: tray, ketchup/mayonnaise/cheese: colored circles, deliver: blue button, unlock: green button
// --- End of code ---

===================================================================
--- original.js
+++ change.js
@@ -754,12 +754,10 @@
 game.orderArea.y = 1550;
 game.addChild(game.orderArea);
 game.orderArea.newOrder();
 // --- Unlock Button ---
-// Wrap unlockBtn asset in a Container to provide containsPoint
+// Place unlock button below the last unlocked field if possible
 var unlockBtnContainer = new Container();
-unlockBtnContainer.x = 2048 - 300;
-unlockBtnContainer.y = 2000;
 var unlockBtn = LK.getAsset('unlock', {
 	anchorX: 0.5,
 	anchorY: 0.5,
 	width: 200,
@@ -772,10 +770,8 @@
 	size: 50,
 	fill: "#fff"
 });
 unlockTxt.anchor.set(0.5, 0.5);
-unlockTxt.x = unlockBtnContainer.x;
-unlockTxt.y = unlockBtnContainer.y;
 game.addChild(unlockTxt);
 // Add containsPoint method to unlockBtnContainer
 unlockBtnContainer.containsPoint = function (point) {
 	// Convert global point to local coordinates of the container
@@ -786,16 +782,38 @@
 	var h = unlockBtn.height;
 	// Check if localX, localY is inside unlockBtn bounds
 	return localX >= -w / 2 && localX <= w / 2 && localY >= -h / 2 && localY <= h / 2;
 };
+// Update unlock button position and text
 function updateUnlockBtn() {
+	// Find the last unlocked field and position the button below it
 	if (game.unlockedFields >= game.maxFields) {
 		unlockBtn.alpha = 0.3;
+		unlockBtnContainer.visible = false;
 		unlockTxt.setText('Tüm Tarlalar Açık');
+		unlockTxt.visible = false;
+		return;
+	}
+	var lastIdx = game.unlockedFields - 1;
+	if (lastIdx >= 0 && lastIdx < game.fields.length) {
+		var lastField = game.fields[lastIdx];
+		unlockBtnContainer.x = lastField.x;
+		unlockBtnContainer.y = lastField.y + 220;
+		unlockTxt.x = unlockBtnContainer.x;
+		unlockTxt.y = unlockBtnContainer.y;
+		unlockBtnContainer.visible = true;
+		unlockTxt.visible = true;
 	} else {
-		unlockBtn.alpha = 0.8;
-		unlockTxt.setText('Tarla Aç (' + game.unlockCost + '₺)');
+		// fallback: place at default
+		unlockBtnContainer.x = 2048 / 2;
+		unlockBtnContainer.y = 2000;
+		unlockTxt.x = unlockBtnContainer.x;
+		unlockTxt.y = unlockBtnContainer.y;
+		unlockBtnContainer.visible = true;
+		unlockTxt.visible = true;
 	}
+	unlockBtn.alpha = 0.8;
+	unlockTxt.setText('Tarla Aç (' + game.unlockCost + '₺)');
 }
 updateUnlockBtn();
 // --- Screen navigation buttons ---
 var leftBtn = LK.getAsset('unlock', {