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

/**** 
* Classes
****/ 
// Factory class: base for all part factories
var BaseFactory = Container.expand(function () {
	var self = Container.call(this);
	self.level = 1;
	self.production = 1; // per click
	self.upgradeCost = 100;
	self.partType = null;
	// Production time in frames (default 30, halves every 5 levels, min 5)
	self.getProductionTime = function () {
		// Each 5 levels halves the time, min 5 frames
		var base = 30;
		var speedup = Math.floor((self.level - 1) / 5);
		var prodTime = Math.floor(base / Math.pow(2, speedup));
		if (prodTime < 5) {
			prodTime = 5;
		}
		return prodTime;
	};
	self.attachAsset('factory', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Part icon
	var partIcon = null;
	if (self.partType) {
		partIcon = self.attachAsset('part_' + self.partType, {
			anchorX: 0.5,
			anchorY: 0.5,
			y: -60,
			scaleX: 0.7,
			scaleY: 0.7
		});
	}
	// Level text
	var levelTxt = new Text2('Lv.' + self.level, {
		size: 40,
		fill: '#fff'
	});
	levelTxt.anchor.set(0.5, 0);
	levelTxt.y = 90;
	self.addChild(levelTxt);
	self.upgrade = function () {
		if (money >= self.upgradeCost) {
			money -= self.upgradeCost;
			self.level += 1;
			self.production += 1;
			self.upgradeCost = Math.floor(self.upgradeCost * 3.5);
			levelTxt.setText('Lv.' + self.level);
			updateMoneyText();
			// Reset autoTick so production interval is not skipped after upgrade
			self.autoTick = 0;
			// --- Reduce production time by 10% after each upgrade, if customProductionTime is present ---
			if (typeof self.customProductionTime === "number") {
				self.customProductionTime = Math.max(Math.floor(self.customProductionTime * 0.9), 60); // min 1s (60 frames)
			}
			// Update production time text if present
			if (self._prodTimeTxt) {
				var prodTime = self.getProductionTime ? self.getProductionTime() : 30;
				var prodTimeSec = (prodTime / 60).toFixed(2);
				self._prodTimeTxt.setText("Üretim: " + prodTimeSec + " sn");
			}
		}
	};
	self.setPartType = function (type) {
		self.partType = type;
		if (partIcon) {
			partIcon.destroy();
		}
		partIcon = self.attachAsset('part_' + type, {
			anchorX: 0.5,
			anchorY: 0.5,
			y: -60,
			scaleX: 0.7,
			scaleY: 0.7
		});
	};
	return self;
});
// Create a factory class for each part type
// Customer class: comes to store and buys a part
var Customer = Container.expand(function () {
	var self = Container.call(this);
	self.partType = null;
	self.attachAsset('customer', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var partIcon = null;
	self.setPart = function (type) {
		self.partType = type;
		if (partIcon) {
			partIcon.destroy();
		}
		partIcon = self.attachAsset('part_' + type, {
			anchorX: 0.5,
			anchorY: 0.5,
			y: 60,
			scaleX: 0.5,
			scaleY: 0.5
		});
	};
	return self;
});
// Mine class: produces raw materials over time
var Mine = Container.expand(function () {
	var self = Container.call(this);
	self.level = 1;
	self.type = 'copper'; // 'copper', 'silicon', 'iron'
	self.production = 1; // per tick
	self.timer = 0;
	self.upgradeCost = 50;
	self.attachAsset('mine', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Ore icon
	var oreIcon = self.attachAsset('ore_' + self.type, {
		anchorX: 0.5,
		anchorY: 0.5,
		y: 60,
		scaleX: 0.7,
		scaleY: 0.7
	});
	// Level text
	var levelTxt = new Text2('Lv.' + self.level, {
		size: 40,
		fill: '#fff'
	});
	levelTxt.anchor.set(0.5, 0);
	levelTxt.y = 90;
	self.addChild(levelTxt);
	self.setType = function (type) {
		self.type = type;
		oreIcon.destroy();
		var newOre = self.attachAsset('ore_' + type, {
			anchorX: 0.5,
			anchorY: 0.5,
			y: 60,
			scaleX: 0.7,
			scaleY: 0.7
		});
	};
	self.upgrade = function () {
		if (money >= self.upgradeCost) {
			money -= self.upgradeCost;
			self.level += 1;
			self.production += 1;
			self.upgradeCost = Math.floor(self.upgradeCost * 2.975);
			levelTxt.setText('Lv.' + self.level);
			updateMoneyText();
		}
	};
	self.update = function () {
		self.timer++;
		// No automatic production
	};
	return self;
});
// Store class: sells computer parts to customers
var Store = Container.expand(function () {
	var self = Container.call(this);
	self.level = 1;
	self.sellSpeed = 1; // customers per 2s
	self.upgradeCost = 120;
	self.attachAsset('store', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Level text
	var levelTxt = new Text2('Lv.' + self.level, {
		size: 40,
		fill: '#fff'
	});
	levelTxt.anchor.set(0.5, 0);
	levelTxt.y = 90;
	self.addChild(levelTxt);
	self.upgrade = function () {
		if (money >= self.upgradeCost) {
			money -= self.upgradeCost;
			self.level += 1;
			self.sellSpeed += 1;
			self.upgradeCost = Math.floor(self.upgradeCost * 3.85);
			levelTxt.setText('Lv.' + self.level);
			updateMoneyText();
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x181818
});

/**** 
* Game Code
****/ 
// Create a factory class for each part type
// Button
// Customer
// Factory, Store, Mine icons
// Raw materials (3 types)
// Computer parts (10 types)
var partTypes = ['mouse', 'gpu', 'ram', 'ssd', 'psu', 'mb', 'case', 'fan', 'hdd', 'cooler'];
var oreTypes = ['copper', 'silicon', 'iron'];
var FactoryClasses = {};
// Üretim süreleri sırası ile 2, 4, 6, ... 20 saniye (2 ve katları, 60fps) olacak şekilde ayarlanır
var partProductionTimes = [];
for (var i = 0; i < partTypes.length; i++) {
	partProductionTimes[i] = (i + 1) * 2 * 60; // 2,4,6,...,20 saniye (frame cinsinden)
}
for (var i = 0; i < partTypes.length; i++) {
	(function (type, idx) {
		FactoryClasses[type] = Container.expand(function () {
			var self = BaseFactory.call(this);
			self.setPartType(type);
			// Override getProductionTime to use diversified 1-3-5-7s pattern
			// Store a custom production time for this factory instance
			self.customProductionTime = partProductionTimes[idx];
			self.getProductionTime = function () {
				// Use the customProductionTime, which is reduced by 10% on each upgrade
				var prodTime = self.customProductionTime;
				// Each 5 levels halves the time, min 1s (60 frames)
				var speedup = Math.floor((self.level - 1) / 5);
				prodTime = Math.floor(prodTime / Math.pow(2, speedup));
				if (prodTime < 60) {
					prodTime = 60;
				}
				return prodTime;
			};
			return self;
		});
	})(partTypes[i], i);
}
// Inventory
var rawMaterials = {
	copper: 10,
	silicon: 10,
	iron: 10
};
var parts = {};
for (var i = 0; i < partTypes.length; i++) {
	parts[partTypes[i]] = 0;
}
// Money
var money = 2000;
// UI Texts
var moneyTxt = new Text2('₺' + money, {
	size: 50,
	fill: '#fff'
});
moneyTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(moneyTxt);
// --- Mağaza Button --- 
var magazaBtn = LK.getAsset('button', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 180,
	height: 70
});
magazaBtn.x = moneyTxt.x - 220;
magazaBtn.y = 40;
LK.gui.top.addChild(magazaBtn);
var magazaBtnTxt = new Text2('Mağaza', {
	size: 36,
	fill: '#fff'
});
magazaBtnTxt.anchor.set(0.5, 0.5);
magazaBtnTxt.x = magazaBtn.x;
magazaBtnTxt.y = magazaBtn.y;
LK.gui.top.addChild(magazaBtnTxt);
// Mağaza butonuna tıklanınca mağaza sayfasına dön (burada örnek olarak bir fonksiyon çağırıyoruz, gerçek sayfa geçişi LK tarafından yönetilir)
magazaBtn.down = function (x, y, obj) {
	// Mağaza sayfasına dönmek için bir fonksiyon çağırabilirsiniz veya burada bir event tetikleyebilirsiniz.
	// Örneğin:
	if (typeof goToStorePage === "function") {
		goToStorePage();
	}
};
// --- Banka Button & Borç Logic ---
var bankBtn = LK.getAsset('button', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 180,
	height: 70
});
bankBtn.x = moneyTxt.x + 220;
bankBtn.y = 40;
LK.gui.top.addChild(bankBtn);
var bankBtnTxt = new Text2('Banka', {
	size: 36,
	fill: '#fff'
});
bankBtnTxt.anchor.set(0.5, 0.5);
bankBtnTxt.x = bankBtn.x;
bankBtnTxt.y = bankBtn.y;
LK.gui.top.addChild(bankBtnTxt);
var borc = 0;
var borcTxt = new Text2('', {
	size: 32,
	fill: '#ffb'
});
borcTxt.anchor.set(0.5, 0);
borcTxt.x = moneyTxt.x + 420;
borcTxt.y = 10;
LK.gui.top.addChild(borcTxt);
// Borç Öde button
var borcOdeBtn = LK.getAsset('button', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 140,
	height: 54
});
borcOdeBtn.x = borcTxt.x + 180;
borcOdeBtn.y = borcTxt.y + 28;
LK.gui.top.addChild(borcOdeBtn);
var borcOdeBtnTxt = new Text2('Borç Öde', {
	size: 28,
	fill: '#fff'
});
borcOdeBtnTxt.anchor.set(0.5, 0.5);
borcOdeBtnTxt.x = borcOdeBtn.x;
borcOdeBtnTxt.y = borcOdeBtn.y;
LK.gui.top.addChild(borcOdeBtnTxt);
borcOdeBtn.down = function (x, y, obj) {
	if (borc > 0) {
		var odeme = Math.min(money, borc);
		if (odeme > 0) {
			money -= odeme;
			borc -= odeme;
			if (borc < 0) {
				borc = 0;
			}
			updateMoneyText();
			updateBorcText();
		}
		// If borç is now 0, clear timers
		if (borc <= 0) {
			borc = 0;
			updateBorcText();
			if (typeof borcOdemeTimer !== "undefined" && borcOdemeTimer) {
				LK.clearInterval(borcOdemeTimer);
				borcOdemeTimer = null;
			}
			if (typeof borcOdemeTimeTimer !== "undefined" && borcOdemeTimeTimer) {
				LK.clearInterval(borcOdemeTimeTimer);
				borcOdemeTimeTimer = null;
			}
		}
	} else {
		// Flash button red if no debt
		tween(borcOdeBtn, {
			tint: 0xff2222
		}, {
			duration: 120,
			onFinish: function onFinish() {
				tween(borcOdeBtn, {
					tint: 0x222222
				}, {
					duration: 120
				});
			}
		});
	}
};
// Repayment time text
var borcTimeTxt = new Text2('', {
	size: 28,
	fill: '#ffb'
});
borcTimeTxt.anchor.set(0.5, 0);
borcTimeTxt.x = borcTxt.x;
borcTimeTxt.y = borcTxt.y + 38;
LK.gui.top.addChild(borcTimeTxt);
var borcOdemeKalan = 0; // seconds left to next repayment
var borcOdemeTimeTimer = null;
function updateBorcText() {
	if (borc > 0) {
		borcTxt.setText('Borç: ₺' + borc);
		if (borcOdemeKalan > 0) {
			var min = Math.floor(borcOdemeKalan / 60);
			var sec = borcOdemeKalan % 60;
			var timeStr = min > 0 ? min + " dk " + (sec < 10 ? "0" : "") + sec + " sn" : sec + " sn";
			borcTimeTxt.setText("Geri ödeme: " + timeStr);
		} else {
			borcTimeTxt.setText('');
		}
	} else {
		borcTxt.setText('');
		borcTimeTxt.setText('');
	}
}
updateBorcText();
var borcOdemeTimer = null;
bankBtn.down = function (x, y, obj) {
	// Only allow one active loan at a time
	if (borc > 0) {
		// Flash button red to indicate already borrowed
		tween(bankBtn, {
			tint: 0xff2222
		}, {
			duration: 120,
			onFinish: function onFinish() {
				tween(bankBtn, {
					tint: 0x222222
				}, {
					duration: 120
				});
			}
		});
		return;
	}
	borc = 1000;
	money += 1000;
	updateMoneyText();
	updateBorcText();
	// Start repayment every 10 minutes (600s = 36000 frames)
	if (borcOdemeTimer) {
		LK.clearInterval(borcOdemeTimer);
	}
	if (borcOdemeTimeTimer) {
		LK.clearInterval(borcOdemeTimeTimer);
	}
	borcOdemeKalan = 600; // seconds to next repayment (10 minutes)
	updateBorcText();
	// Repayment time countdown, updates every 1 second
	borcOdemeTimeTimer = LK.setInterval(function () {
		if (borc > 0) {
			borcOdemeKalan--;
			if (borcOdemeKalan < 0) {
				borcOdemeKalan = 0;
			}
			updateBorcText();
		} else {
			borcOdemeKalan = 0;
			updateBorcText();
			if (borcOdemeTimeTimer) {
				LK.clearInterval(borcOdemeTimeTimer);
				borcOdemeTimeTimer = null;
			}
		}
	}, 60); // 1 second at 60fps
	borcOdemeTimer = LK.setInterval(function () {
		if (borc > 0) {
			var odeme = Math.ceil(borc * 0.25);
			if (money >= odeme) {
				money -= odeme;
				borc -= odeme;
				if (borc < 0) {
					borc = 0;
				}
				updateMoneyText();
				updateBorcText();
			} else {
				// Not enough money, take all money and reduce borc accordingly
				borc -= money;
				money = 0;
				if (borc < 0) {
					borc = 0;
				}
				updateMoneyText();
				updateBorcText();
			}
			if (borc <= 0) {
				borc = 0;
				updateBorcText();
				if (borcOdemeTimer) {
					LK.clearInterval(borcOdemeTimer);
					borcOdemeTimer = null;
				}
				if (borcOdemeTimeTimer) {
					LK.clearInterval(borcOdemeTimeTimer);
					borcOdemeTimeTimer = null;
				}
			}
			borcOdemeKalan = 600; // reset repayment time for next cycle (10 minutes)
			updateBorcText();
		}
	}, 36000); // 10 minutes at 60fps
};
function updateMoneyText() {
	moneyTxt.setText('₺' + money);
	updateBorcText();
}
var rawTxt = new Text2('', {
	size: 40,
	fill: '#ffb'
});
rawTxt.anchor.set(0.5, 0);
rawTxt.y = 80;
LK.gui.top.addChild(rawTxt);
function updateRawText() {
	rawTxt.setText('Bakır: ' + rawMaterials.copper + '  Silikon: ' + rawMaterials.silicon + '  Demir: ' + rawMaterials.iron);
}
updateRawText();
var partsTxt = new Text2('', {
	size: 40,
	fill: '#bff'
});
partsTxt.anchor.set(0.5, 0);
partsTxt.y = 140;
LK.gui.top.addChild(partsTxt);
function updatePartsText() {
	var s = '';
	for (var i = 0; i < partTypes.length; i++) {
		s += (i === 0 ? "MOUSE" : partTypes[i].toUpperCase()) + ':' + parts[partTypes[i]] + '  ';
	}
	partsTxt.setText(s);
}
updatePartsText();
// --- Mines ---
var mines = [];
var mineAutoProduce = [false, false, false]; // Track auto-produce state for each mine
var mineAutoBtns = [];
var mineAutoTxts = [];
for (var i = 0; i < 3; i++) {
	var mine = new Mine();
	mine.x = 300 + i * 350;
	mine.y = 600;
	mine.setType(oreTypes[i]);
	game.addChild(mine);
	mines.push(mine);
	// Add auto-produce toggle button
	var autoBtn = LK.getAsset('button', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Move auto-produce button further down
	autoBtn.x = mine.x;
	autoBtn.y = mine.y + 480;
	game.addChild(autoBtn);
	var autoMineCost = (i + 1) * 500; // 500, 1000, 1500 for each mine
	var autoTxt = new Text2('Oto Üret: Kapalı', {
		size: 36,
		fill: '#fff'
	});
	autoTxt.anchor.set(0.5, 0.5);
	autoTxt.x = autoBtn.x;
	autoTxt.y = autoBtn.y;
	game.addChild(autoTxt);
	autoBtn.mineIndex = i;
	autoBtn.down = function (x, y, obj) {
		var idx = this.mineIndex;
		var autoMineCost = (idx + 1) * 500;
		if (!mineAutoProduce[idx]) {
			if (money >= autoMineCost) {
				money -= autoMineCost;
				updateMoneyText();
				mineAutoProduce[idx] = true;
				mineAutoTxts[idx].setText('Oto Üret: Açık');
			} else {
				// Not enough money, flash button red
				tween(this, {
					tint: 0xff2222
				}, {
					duration: 120,
					onFinish: function onFinish() {
						tween(autoBtn, {
							tint: 0x222222
						}, {
							duration: 120
						});
					}
				});
			}
		} else {
			// Oto Üret kapatılmasın: Satın alındıktan sonra kapatmaya izin verme
			// Artık kapatma işlemi yapılmıyor, buton işlevsiz.
		}
	};
	mineAutoBtns.push(autoBtn);
	mineAutoTxts.push(autoTxt);
	// Set initial text
	autoTxt.setText('Oto Üret: Kapalı\n₺' + autoMineCost);
}
// --- Factories for each part ---
var factories = [];
var factoryUnlocks = [];
var factoryUnlockCosts = [0, 350, 525, 700, 875, 1050, 1225, 1400, 1575, 1750];
// Apply 50% price increase to all except the first (CPU)
for (var i = 1; i < factoryUnlockCosts.length; i++) {
	factoryUnlockCosts[i] = Math.floor(factoryUnlockCosts[i] * 1.5);
}
var factoryAutoProduce = [];
var factoryAutoBtns = [];
var factoryAutoTxts = [];
for (var i = 0; i < partTypes.length; i++) {
	var FactoryClass = FactoryClasses[partTypes[i]];
	var f = new FactoryClass();
	// Arrange factories in two rows of 5, with extra vertical spacing between rows
	var col = i % 5;
	var row = Math.floor(i / 5);
	// Add vertical spacing (gap) between factory panels
	var factoryPanelGap = 24;
	f.x = 500 + col * 300 + col * factoryPanelGap;
	// Move MB, CASE, FAN, HDD, COOLER (indices 5,6,7,8,9) further down
	// Move the whole factories panel lower by +200px
	if (i >= 5) {
		// Increase the offset for the second row and move these factories further down
		f.y = 1300 + row * 420 + 320;
	} else {
		f.y = 1300 + row * 420;
	}
	game.addChild(f);
	factories.push(f);
	// Add production time text under the part icon
	var prodTime = f.getProductionTime ? f.getProductionTime() : 30;
	var prodTimeSec = (prodTime / 60).toFixed(2);
	// Add a panel image behind the production time text
	var prodTimePanel = LK.getAsset('button', {
		anchorX: 0.5,
		anchorY: 0,
		width: 220,
		height: 54,
		x: f.x,
		y: f.y - 60 + 60 * 0.7 + 28,
		// 10px higher to allow for text padding
		scaleX: 0.8,
		scaleY: 0.7
	});
	// Add horizontal gap to prodTimePanel to match factory panel gap
	prodTimePanel.x = f.x;
	game.addChild(prodTimePanel);
	var prodTimeTxt = new Text2("Üretim: " + prodTimeSec + " sn", {
		size: 32,
		fill: "#fff"
	});
	prodTimeTxt.anchor.set(0.5, 0);
	// Place under the part icon (which is at y: -60, scale 0.7, so about -60+60*0.7+10)
	prodTimeTxt.x = f.x;
	prodTimeTxt.y = f.y - 60 + 60 * 0.7 + 38;
	game.addChild(prodTimeTxt);
	// Store reference for later update on upgrade
	f._prodTimeTxt = prodTimeTxt;
	// Unlock state: CPU (i==0) is always unlocked, others locked
	factoryUnlocks.push(i === 0 ? true : false);
	// Add auto-produce toggle button for each factory
	factoryAutoProduce.push(false);
	var autoBtn = LK.getAsset('button', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	autoBtn.x = f.x;
	// Move auto-produce button further down
	// Add horizontal gap to autoBtn to match factory panel gap
	autoBtn.x = f.x;
	if (i >= 5) {
		autoBtn.y = f.y + 530 + 80;
	} else {
		autoBtn.y = f.y + 530;
	}
	game.addChild(autoBtn);
	var autoTxt = new Text2('Oto Üret: Kapalı', {
		size: 36,
		fill: '#fff'
	});
	autoTxt.anchor.set(0.5, 0.5);
	autoTxt.x = autoBtn.x;
	autoTxt.y = autoBtn.y;
	game.addChild(autoTxt);
	autoBtn.factoryIndex = i;
	autoBtn.down = function (x, y, obj) {
		var idx = this.factoryIndex;
		if (!factoryAutoProduce[idx]) {
			// Cost to enable auto-produce for factory: 1000
			var autoFactoryCost = (idx + 1) * 1000;
			if (money >= autoFactoryCost) {
				money -= autoFactoryCost;
				updateMoneyText();
				factoryAutoProduce[idx] = true;
				factoryAutoTxts[idx].setText('Oto Üret: Açık');
			} else {
				// Not enough money, flash button red
				tween(this, {
					tint: 0xff2222
				}, {
					duration: 120,
					onFinish: function onFinish() {
						tween(autoBtn, {
							tint: 0x222222
						}, {
							duration: 120
						});
					}
				});
			}
		} else {
			// Oto Üret kapatılmasın: Satın alındıktan sonra kapatmaya izin verme
			// Artık kapatma işlemi yapılmıyor, buton işlevsiz.
		}
	};
	factoryAutoBtns.push(autoBtn);
	factoryAutoTxts.push(autoTxt);
	// Set initial text
	var autoFactoryCost = (i + 1) * 1000;
	autoTxt.setText('Oto Üret: Kapalı\n₺' + autoFactoryCost);
}
// --- Store ---
var store = new Store();
store.x = 1700;
store.y = 600;
game.addChild(store);
// --- Geri Dön Button for Store Page ---
var storeBackBtn = LK.getAsset('button', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 180,
	height: 70
});
storeBackBtn.x = store.x;
storeBackBtn.y = store.y - 220;
game.addChild(storeBackBtn);
var storeBackBtnTxt = new Text2('Geri Dön', {
	size: 36,
	fill: '#fff'
});
storeBackBtnTxt.anchor.set(0.5, 0.5);
storeBackBtnTxt.x = storeBackBtn.x;
storeBackBtnTxt.y = storeBackBtn.y;
game.addChild(storeBackBtnTxt);
storeBackBtn.down = function (x, y, obj) {
	// Call a function to return to the main page, if defined
	if (typeof goToMainPage === "function") {
		goToMainPage();
	}
};
// --- Upgrade Buttons ---
var mineBtns = [];
for (var i = 0; i < 3; i++) {
	var btn = LK.getAsset('button', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	btn.x = mines[i].x - 80; // Move left to make space for produce button
	btn.y = mines[i].y + 200;
	game.addChild(btn);
	var txt = new Text2('Maden Yükselt\n₺' + mines[i].upgradeCost, {
		size: 44,
		fill: '#fff'
	});
	txt.anchor.set(0.5, 0.5);
	txt.y = btn.y + 20;
	txt.x = btn.x;
	game.addChild(txt);
	btn.mineIndex = i;
	btn.txt = txt;
	btn.down = function (x, y, obj) {
		var idx = this.mineIndex;
		var m = mines[idx];
		if (money >= m.upgradeCost) {
			m.upgrade();
			this.txt.setText('Maden Yükselt\n₺' + m.upgradeCost);
		}
	};
	mineBtns.push(btn);
	// Add ÜRET (Produce) button next to upgrade
	var prodBtn = LK.getAsset('button', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	prodBtn.x = mines[i].x + 80; // Place to the right of upgrade button
	prodBtn.y = mines[i].y + 320; // moved even lower
	game.addChild(prodBtn);
	var prodTxt = new Text2('ÜRET', {
		size: 44,
		fill: '#fff'
	});
	prodTxt.anchor.set(0.5, 0.5);
	prodTxt.x = prodBtn.x;
	prodTxt.y = prodBtn.y + 10; // moved higher
	game.addChild(prodTxt);
	prodBtn.mineIndex = i;
	prodBtn.down = function (x, y, obj) {
		var idx = this.mineIndex;
		var m = mines[idx];
		// Instantly produce one batch of raw material for this mine
		rawMaterials[m.type] += m.production;
		updateRawText();
		// Animate mine for feedback
		tween(m, {
			scaleX: 1.1,
			scaleY: 1.1
		}, {
			duration: 120,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(m, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 120
				});
			}
		});
	};
}
// Factory upgrade buttons for each part
var factoryBtns = [];
var factoryUnlockBtns = [];
for (var i = 0; i < factories.length; i++) {
	var f = factories[i];
	// If factory is locked (except CPU), show unlock button instead of upgrade
	if (!factoryUnlocks[i]) {
		var unlockBtn = LK.getAsset('button', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		unlockBtn.x = f.x;
		// Add horizontal gap to unlock buttons to match factory panel gap
		unlockBtn.x = f.x;
		if (i >= 5) {
			unlockBtn.y = f.y + 200 + 80;
		} else {
			unlockBtn.y = f.y + 200;
		}
		game.addChild(unlockBtn);
		var unlockTxt = new Text2((i === 0 ? "MOUSE" : partTypes[i].toUpperCase()) + " Aç\n₺" + factoryUnlockCosts[i], {
			size: 44,
			fill: '#fff'
		});
		unlockTxt.anchor.set(0.5, 0.5);
		unlockTxt.x = unlockBtn.x;
		unlockTxt.y = unlockBtn.y + 20;
		game.addChild(unlockTxt);
		unlockBtn.factoryIndex = i;
		unlockBtn.txt = unlockTxt;
		unlockBtn.down = function (x, y, obj) {
			var idx = this.factoryIndex;
			if (!factoryUnlocks[idx] && money >= factoryUnlockCosts[idx]) {
				money -= factoryUnlockCosts[idx];
				updateMoneyText();
				factoryUnlocks[idx] = true;
				// Remove unlock button and text
				this.destroy();
				this.txt.destroy();
				// Show upgrade button for this factory
				showFactoryUpgradeButton(idx);
			}
		};
		factoryUnlockBtns.push(unlockBtn);
		// Don't show upgrade button for locked factories
		continue;
	}
	// Show upgrade button for unlocked factories
	var btn = LK.getAsset('button', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	btn.x = f.x;
	// Add horizontal gap to upgrade/unlock/production buttons to match factory panel gap
	btn.x = f.x;
	// Move MB, CASE, FAN, HDD, COOLER (indices 5,6,7,8,9) buttons further down
	if (i >= 5) {
		btn.y = f.y + 200 + 80;
	} else {
		btn.y = f.y + 200;
	}
	game.addChild(btn);
	var txt = new Text2((i === 0 ? "MOUSE" : partTypes[i].toUpperCase()) + " Yükselt\n₺" + f.upgradeCost, {
		size: 44,
		fill: '#fff'
	});
	txt.anchor.set(0.5, 0.5);
	txt.x = btn.x;
	txt.y = btn.y + 20;
	game.addChild(txt);
	btn.factoryIndex = i;
	btn.txt = txt;
	btn.down = function (x, y, obj) {
		var idx = this.factoryIndex;
		var f = factories[idx];
		if (money >= f.upgradeCost) {
			f.upgrade();
			this.txt.setText((idx === 0 ? "MOUSE" : partTypes[idx].toUpperCase()) + " Yükselt\n₺" + f.upgradeCost);
		}
	};
	factoryBtns.push(btn);
}
// Helper to show upgrade button after unlock
function showFactoryUpgradeButton(idx) {
	var f = factories[idx];
	var btn = LK.getAsset('button', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	btn.x = f.x;
	// Add horizontal gap to upgrade button after unlock to match factory panel gap
	btn.x = f.x;
	if (idx >= 5) {
		btn.y = f.y + 200 + 80;
	} else {
		btn.y = f.y + 200;
	}
	game.addChild(btn);
	var txt = new Text2((idx === 0 ? "MOUSE" : partTypes[idx].toUpperCase()) + " Yükselt\n₺" + f.upgradeCost, {
		size: 44,
		fill: '#fff'
	});
	txt.anchor.set(0.5, 0.5);
	txt.x = btn.x;
	txt.y = btn.y + 20;
	game.addChild(txt);
	btn.factoryIndex = idx;
	btn.txt = txt;
	btn.down = function (x, y, obj) {
		var idx = this.factoryIndex;
		var f = factories[idx];
		if (money >= f.upgradeCost) {
			f.upgrade();
			this.txt.setText((idx === 0 ? "MOUSE" : partTypes[idx].toUpperCase()) + " Yükselt\n₺" + f.upgradeCost);
		}
	};
	factoryBtns[idx] = btn;
}
// Store upgrade button
var storeBtn = LK.getAsset('button', {
	anchorX: 0.5,
	anchorY: 0.5
});
storeBtn.x = store.x;
storeBtn.y = store.y + 200;
game.addChild(storeBtn);
var storeBtnTxt = new Text2('Mağaza Yükselt\n₺' + store.upgradeCost, {
	size: 44,
	fill: '#fff'
});
storeBtnTxt.anchor.set(0.5, 0.5);
storeBtnTxt.x = storeBtn.x;
storeBtnTxt.y = storeBtn.y + 20;
game.addChild(storeBtnTxt);
storeBtn.down = function (x, y, obj) {
	if (money >= store.upgradeCost) {
		store.upgrade();
		storeBtnTxt.setText('Mağaza Yükselt\n₺' + store.upgradeCost);
	}
};
// --- Production Buttons and Logic for each factory ---
var prodBtns = [];
for (var i = 0; i < factories.length; i++) {
	(function (idx) {
		var f = factories[idx];
		var btn = LK.getAsset('button', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		btn.x = f.x;
		// Add horizontal gap to production buttons to match factory panel gap
		btn.x = f.x;
		// Move MB, CASE, FAN, HDD, COOLER (indices 5,6,7,8,9) production buttons further down
		if (idx >= 5) {
			btn.y = f.y + 350 + 80;
		} else {
			btn.y = f.y + 350;
		}
		game.addChild(btn);
		var txt = new Text2('ÜRET', {
			size: 36,
			fill: '#fff'
		});
		txt.anchor.set(0.5, 0.5);
		txt.x = btn.x;
		txt.y = btn.y;
		game.addChild(txt);
		btn.factoryIndex = idx;
		btn.down = function (x, y, obj) {
			var idx = this.factoryIndex;
			// Only allow production if factory is unlocked
			if (!factoryUnlocks[idx]) {
				// Optionally, flash or shake to indicate locked
				tween(factories[idx], {
					scaleX: 1.15,
					scaleY: 1.15
				}, {
					duration: 80,
					onFinish: function onFinish() {
						tween(factories[idx], {
							scaleX: 1,
							scaleY: 1
						}, {
							duration: 80
						});
					}
				});
				return;
			}
			var f = factories[idx];
			var part = partTypes[idx];
			var produced = 0;
			for (var j = 0; j < f.production; j++) {
				// Each part needs: copper:2, silicon:1, iron:1
				// Calculate production cost as 50% of the sale price (which is 30~49, so use 40 as avg, or use 30 + Math.floor(Math.random()*20)/2 for dynamic)
				var salePrice = 30 + Math.floor(Math.random() * 20);
				var productionCost = Math.floor(salePrice * 0.5);
				if (rawMaterials.copper >= 2 && rawMaterials.silicon >= 1 && rawMaterials.iron >= 1 && money >= productionCost) {
					rawMaterials.copper -= 2;
					rawMaterials.silicon -= 1;
					rawMaterials.iron -= 1;
					money -= productionCost;
					updateMoneyText();
					parts[part] += 1;
					produced++;
				}
			}
			if (produced > 0) {
				updateRawText();
				updatePartsText();
				// Animate factory
				tween(f, {
					scaleX: 1.1,
					scaleY: 1.1
				}, {
					duration: 120,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						tween(f, {
							scaleX: 1,
							scaleY: 1
						}, {
							duration: 120
						});
					}
				});
			}
		};
		prodBtns.push(btn);
	})(i);
}
// --- Customer/Store Logic ---
var customers = [];
var customerTimer = 0;
var customerInterval = 120; // 2s
function spawnCustomer() {
	// Only allow customer for parts that have been produced at least once
	var availableParts = [];
	for (var i = 0; i < partTypes.length; i++) {
		if (parts[partTypes[i]] > 0) {
			availableParts.push(partTypes[i]);
		}
	}
	if (availableParts.length === 0) {
		// No available parts, do not spawn customer
		return;
	}
	var c = new Customer();
	c.x = store.x - 300;
	c.y = store.y + 120;
	// Pick a random available part type to buy
	var idx = Math.floor(Math.random() * availableParts.length);
	var part = availableParts[idx];
	c.setPart(part);
	c.partType = part;
	game.addChild(c);
	customers.push(c);
	// Animate customer moving to store (slower)
	tween(c, {
		x: store.x
	}, {
		duration: 1200,
		// doubled duration for slower movement
		easing: tween.cubicOut
	});
}
function processCustomers() {
	for (var i = customers.length - 1; i >= 0; i--) {
		var c = customers[i];
		// If at store, try to sell
		if (Math.abs(c.x - store.x) < 10) {
			var part = c.partType;
			if (parts[part] > 0) {
				parts[part] -= 1;
				var price = 30 + Math.floor(Math.random() * 20);
				money += price;
				updateMoneyText();
				updatePartsText();
				// Animate customer leaving (slower)
				tween(c, {
					x: store.x + 300
				}, {
					duration: 800,
					// doubled duration for slower movement
					onFinish: function onFinish() {
						c.destroy();
					}
				});
				customers.splice(i, 1);
			}
		}
	}
}
// --- Game Update ---
game.update = function () {
	// Update mines
	for (var i = 0; i < mines.length; i++) {
		mines[i].update();
		// Auto-produce for mine if enabled
		if (mineAutoProduce[i]) {
			// Produce every 30 frames (~0.5s)
			if (!mines[i].autoTick) {
				mines[i].autoTick = 0;
			}
			mines[i].autoTick++;
			if (mines[i].autoTick >= 30) {
				rawMaterials[mines[i].type] += mines[i].production;
				updateRawText();
				// Animate mine for feedback
				tween(mines[i], {
					scaleX: 1.1,
					scaleY: 1.1
				}, {
					duration: 120,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						tween(this.target, {
							scaleX: 1,
							scaleY: 1
						}, {
							duration: 120
						});
					}.bind({
						target: mines[i]
					})
				});
				mines[i].autoTick = 0;
			}
		}
	}
	// Auto-produce for factories
	for (var i = 0; i < factories.length; i++) {
		if (factoryAutoProduce[i] && factoryUnlocks[i]) {
			if (!factories[i].autoTick) {
				factories[i].autoTick = 0;
			}
			factories[i].autoTick++;
			// Use per-factory production time (speed up with level)
			var prodTime = factories[i].getProductionTime ? factories[i].getProductionTime() : 30;
			if (factories[i].autoTick >= prodTime) {
				var f = factories[i];
				var part = partTypes[i];
				var produced = 0;
				for (var j = 0; j < f.production; j++) {
					// Each part needs: copper:2, silicon:1, iron:1
					// Calculate production cost as 50% of the sale price (which is 30~49, so use 40 as avg, or use 30 + Math.floor(Math.random()*20)/2 for dynamic)
					var salePrice = 30 + Math.floor(Math.random() * 20);
					var productionCost = Math.floor(salePrice * 0.5);
					if (rawMaterials.copper >= 2 && rawMaterials.silicon >= 1 && rawMaterials.iron >= 1 && money >= productionCost) {
						rawMaterials.copper -= 2;
						rawMaterials.silicon -= 1;
						rawMaterials.iron -= 1;
						money -= productionCost;
						updateMoneyText();
						parts[part] += 1;
						produced++;
					}
				}
				if (produced > 0) {
					updateRawText();
					updatePartsText();
					// Animate factory
					tween(f, {
						scaleX: 1.1,
						scaleY: 1.1
					}, {
						duration: 120,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							tween(this.target, {
								scaleX: 1,
								scaleY: 1
							}, {
								duration: 120
							});
						}.bind({
							target: f
						})
					});
				}
				factories[i].autoTick = 0;
			}
		}
	}
	// Customer spawn logic
	customerTimer++;
	if (customerTimer >= customerInterval / store.sellSpeed) {
		customerTimer = 0;
		spawnCustomer();
	}
	processCustomers();
};
// --- Dragging (for fun, not required) ---
var dragNode = null;
game.down = function (x, y, obj) {
	// No drag for now
};
game.move = function (x, y, obj) {
	// No drag for now
};
game.up = function (x, y, obj) {
	// No drag for now
};
// --- Internet Offer Panel ---
// Panel variables
var offerPanel = LK.getAsset('button', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 420,
	height: 340,
	x: 120,
	y: 1366 // center of 2732
});
game.addChild(offerPanel);
var offerTitle = new Text2('İNTERNET TEKLİFİ', {
	size: 38,
	fill: '#fff'
});
offerTitle.anchor.set(0.5, 0);
offerTitle.x = offerPanel.x;
offerTitle.y = offerPanel.y - 140;
game.addChild(offerTitle);
var offerPartTxt = new Text2('', {
	size: 36,
	fill: '#bff'
});
offerPartTxt.anchor.set(0.5, 0);
offerPartTxt.x = offerPanel.x;
offerPartTxt.y = offerPanel.y - 60;
game.addChild(offerPartTxt);
var offerAmountTxt = new Text2('', {
	size: 36,
	fill: '#fff'
});
offerAmountTxt.anchor.set(0.5, 0);
offerAmountTxt.x = offerPanel.x;
offerAmountTxt.y = offerPanel.y - 10;
game.addChild(offerAmountTxt);
var offerPriceTxt = new Text2('', {
	size: 36,
	fill: '#ffb'
});
offerPriceTxt.anchor.set(0.5, 0);
offerPriceTxt.x = offerPanel.x;
offerPriceTxt.y = offerPanel.y + 40;
game.addChild(offerPriceTxt);
var offerBtn = LK.getAsset('button', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 220,
	height: 70,
	x: offerPanel.x,
	y: offerPanel.y + 120
});
game.addChild(offerBtn);
var offerBtnTxt = new Text2('Satın Al', {
	size: 36,
	fill: '#fff'
});
offerBtnTxt.anchor.set(0.5, 0.5);
offerBtnTxt.x = offerBtn.x;
offerBtnTxt.y = offerBtn.y;
game.addChild(offerBtnTxt);
// Offer state
var currentOffer = {
	part: null,
	amount: 0,
	price: 0,
	active: false // yeni teklif aktif mi
};
// Helper to generate a new offer
var offerTimeLeft = 0;
var offerTimerInterval = null;
var offerTimeTxt = new Text2('', {
	size: 32,
	fill: '#ffb'
});
offerTimeTxt.anchor.set(0.5, 0);
offerTimeTxt.x = offerPanel.x;
offerTimeTxt.y = offerPanel.y + 90;
game.addChild(offerTimeTxt);
function updateOfferTimeTxt() {
	if (offerTimeLeft > 0) {
		var min = Math.floor(offerTimeLeft / 60);
		var sec = offerTimeLeft % 60;
		var timeStr = min > 0 ? min + " dk " + (sec < 10 ? "0" : "") + sec + " sn" : sec + " sn";
		offerTimeTxt.setText("Yeni teklif: " + timeStr);
	} else {
		offerTimeTxt.setText('');
	}
}
function generateInternetOffer() {
	// Pick a random part type
	var idx = Math.floor(Math.random() * partTypes.length);
	var part = partTypes[idx];
	// Random amount: 2-8
	var amount = 2 + Math.floor(Math.random() * 7);
	// Random price per item: 18-32
	var pricePer = 18 + Math.floor(Math.random() * 15);
	var totalPrice = pricePer * amount;
	currentOffer.part = part;
	currentOffer.amount = amount;
	currentOffer.price = totalPrice;
	currentOffer.active = true;
	// Update UI
	offerPartTxt.setText(idx === 0 ? "MOUSE" : part.toUpperCase());
	offerAmountTxt.setText("Adet: " + amount);
	offerPriceTxt.setText("Toplam: ₺" + totalPrice);
	offerBtn.visible = true;
	offerBtnTxt.visible = true;
	// Rastgele 1-2 dakika (60-120 saniye) arası süre belirle
	offerTimeLeft = (60 + Math.floor(Math.random() * 61)) * 60;
	updateOfferTimeTxt();
	// Start timer for next offer
	if (offerTimerInterval) {
		LK.clearInterval(offerTimerInterval);
		offerTimerInterval = null;
	}
	offerTimerInterval = LK.setInterval(function () {
		if (!currentOffer.active) {
			LK.clearInterval(offerTimerInterval);
			offerTimerInterval = null;
			return;
		}
		offerTimeLeft--;
		updateOfferTimeTxt();
		if (offerTimeLeft <= 0) {
			// Süre doldu, yeni teklif gelsin
			currentOffer.active = false;
			offerBtn.visible = false;
			offerBtnTxt.visible = false;
			offerPartTxt.setText("Süre doldu!");
			offerAmountTxt.setText("");
			offerPriceTxt.setText("");
			updateOfferTimeTxt();
			LK.clearInterval(offerTimerInterval);
			offerTimerInterval = null;
			LK.setTimeout(function () {
				generateInternetOffer();
			}, 60); // 1 frame sonra yeni teklif gelsin
		}
	}, 60); // 1 saniye
}
generateInternetOffer();
// Button logic
offerBtn.down = function (x, y, obj) {
	if (!currentOffer.active) return;
	if (money >= currentOffer.price) {
		money -= currentOffer.price;
		parts[currentOffer.part] += currentOffer.amount;
		updateMoneyText();
		updatePartsText();
		// Animate panel for feedback
		tween(offerPanel, {
			scaleX: 1.08,
			scaleY: 1.08
		}, {
			duration: 120,
			onFinish: function onFinish() {
				tween(offerPanel, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 120
				});
			}
		});
		// Teklif tamamlandı, yeni teklif gelene kadar butonu kapat
		currentOffer.active = false;
		offerBtn.visible = false;
		offerBtnTxt.visible = false;
		offerPartTxt.setText("Teklif tamamlandı!");
		offerAmountTxt.setText("");
		offerPriceTxt.setText("");
		offerTimeLeft = 1200;
		updateOfferTimeTxt();
		if (offerTimerInterval) {
			LK.clearInterval(offerTimerInterval);
			offerTimerInterval = null;
		}
		// Yeni teklif rastgele 1-2 dakika sonra gelsin
		var nextOfferDelay = (60 + Math.floor(Math.random() * 61)) * 60;
		LK.setTimeout(function () {
			generateInternetOffer();
		}, nextOfferDelay);
	} else {
		// Not enough money, flash button red
		tween(offerBtn, {
			tint: 0xff2222
		}, {
			duration: 120,
			onFinish: function onFinish() {
				tween(offerBtn, {
					tint: 0x222222
				}, {
					duration: 120
				});
			}
		});
	}
};
// --- Toplu Satış Paneli ---
var sellPanel = LK.getAsset('button', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 420,
	height: 340,
	x: 120,
	y: 1366 + 400 // offerPanel.y + 400 px altına
});
game.addChild(sellPanel);
var sellTitle = new Text2('TOPLU SATIŞ TEKLİFİ', {
	size: 38,
	fill: '#fff'
});
sellTitle.anchor.set(0.5, 0);
sellTitle.x = sellPanel.x;
sellTitle.y = sellPanel.y - 140;
game.addChild(sellTitle);
var sellPartTxt = new Text2('', {
	size: 36,
	fill: '#bff'
});
sellPartTxt.anchor.set(0.5, 0);
sellPartTxt.x = sellPanel.x;
sellPartTxt.y = sellPanel.y - 60;
game.addChild(sellPartTxt);
var sellAmountTxt = new Text2('', {
	size: 36,
	fill: '#fff'
});
sellAmountTxt.anchor.set(0.5, 0);
sellAmountTxt.x = sellPanel.x;
sellAmountTxt.y = sellPanel.y - 10;
game.addChild(sellAmountTxt);
var sellPriceTxt = new Text2('', {
	size: 36,
	fill: '#ffb'
});
sellPriceTxt.anchor.set(0.5, 0);
sellPriceTxt.x = sellPanel.x;
sellPriceTxt.y = sellPanel.y + 40;
game.addChild(sellPriceTxt);
var sellBtn = LK.getAsset('button', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 220,
	height: 70,
	x: sellPanel.x,
	y: sellPanel.y + 120
});
game.addChild(sellBtn);
var sellBtnTxt = new Text2('Sat', {
	size: 36,
	fill: '#fff'
});
sellBtnTxt.anchor.set(0.5, 0.5);
sellBtnTxt.x = sellBtn.x;
sellBtnTxt.y = sellBtn.y;
game.addChild(sellBtnTxt);
// Satış teklifi state
var currentSellOffer = {
	part: null,
	amount: 0,
	price: 0,
	active: false
};
// Helper to generate a new sell offer
var sellOfferTimeLeft = 0;
var sellOfferTimerInterval = null;
var sellOfferTimeTxt = new Text2('', {
	size: 32,
	fill: '#ffb'
});
sellOfferTimeTxt.anchor.set(0.5, 0);
sellOfferTimeTxt.x = sellPanel.x;
sellOfferTimeTxt.y = sellPanel.y + 90;
game.addChild(sellOfferTimeTxt);
function updateSellOfferTimeTxt() {
	if (sellOfferTimeLeft > 0) {
		var min = Math.floor(sellOfferTimeLeft / 60);
		var sec = sellOfferTimeLeft % 60;
		var timeStr = min > 0 ? min + " dk " + (sec < 10 ? "0" : "") + sec + " sn" : sec + " sn";
		sellOfferTimeTxt.setText("Yeni teklif: " + timeStr);
	} else {
		sellOfferTimeTxt.setText('');
	}
}
// Helper to generate a new sell offer
function generateSellOffer() {
	// Sadece stoğunda en az 2 olanlardan rastgele seç
	var available = [];
	for (var i = 0; i < partTypes.length; i++) {
		if (parts[partTypes[i]] >= 2) available.push(partTypes[i]);
	}
	// Eğer hiç stoğu olan ürün yoksa, teklif oluşturma
	if (available.length === 0) {
		currentSellOffer.part = null;
		currentSellOffer.amount = 0;
		currentSellOffer.price = 0;
		currentSellOffer.active = false;
		sellPartTxt.setText("Stokta ürün yok");
		sellAmountTxt.setText("");
		sellPriceTxt.setText("");
		sellBtn.visible = false;
		sellBtnTxt.visible = false;
		return;
	}
	var idx = Math.floor(Math.random() * available.length);
	var part = available[idx];
	// Satış miktarı: 2-8, ama stoğundan fazla olamaz
	var maxAmount = Math.min(parts[part], 8);
	var amount = 2 + Math.floor(Math.random() * (maxAmount - 1));
	// Satış fiyatı: 28-45 arası birim fiyat
	var pricePer = 28 + Math.floor(Math.random() * 18);
	var totalPrice = pricePer * amount;
	currentSellOffer.part = part;
	currentSellOffer.amount = amount;
	currentSellOffer.price = totalPrice;
	currentSellOffer.active = true;
	sellPartTxt.setText(idx === 0 ? "MOUSE" : part.toUpperCase());
	sellAmountTxt.setText("Adet: " + amount);
	sellPriceTxt.setText("Toplam: ₺" + totalPrice);
	sellBtn.visible = true;
	sellBtnTxt.visible = true;
	// Süreyi rastgele 1-2 dakika (60-120 saniye) arası belirle
	sellOfferTimeLeft = (60 + Math.floor(Math.random() * 61)) * 60;
	updateSellOfferTimeTxt();
	// Timer varsa temizle
	if (sellOfferTimerInterval) {
		LK.clearInterval(sellOfferTimerInterval);
		sellOfferTimerInterval = null;
	}
	sellOfferTimerInterval = LK.setInterval(function () {
		if (!currentSellOffer.active) {
			LK.clearInterval(sellOfferTimerInterval);
			sellOfferTimerInterval = null;
			return;
		}
		sellOfferTimeLeft--;
		updateSellOfferTimeTxt();
		if (sellOfferTimeLeft <= 0) {
			// Süre doldu, yeni teklif gelsin
			currentSellOffer.active = false;
			sellBtn.visible = false;
			sellBtnTxt.visible = false;
			sellPartTxt.setText("Süre doldu!");
			sellAmountTxt.setText("");
			sellPriceTxt.setText("");
			updateSellOfferTimeTxt();
			LK.clearInterval(sellOfferTimerInterval);
			sellOfferTimerInterval = null;
			LK.setTimeout(function () {
				generateSellOffer();
			}, 60); // 1 frame sonra yeni teklif gelsin
		}
	}, 60); // 1 saniye
}
generateSellOffer();
// Satış butonu logic
sellBtn.down = function (x, y, obj) {
	// If not active or not enough stock, do nothing (button is visually disabled)
	if (!currentSellOffer.active || parts[currentSellOffer.part] < currentSellOffer.amount) {
		// Optionally, flash button red and show warning if user tries to press when not enough stock
		tween(sellBtn, {
			tint: 0xff2222
		}, {
			duration: 120,
			onFinish: function onFinish() {
				tween(sellBtn, {
					tint: 0x222222
				}, {
					duration: 120
				});
			}
		});
		// 'Stok yetersiz' uyarısı göster
		sellBtnTxt.setText('Stok yetersiz');
		LK.setTimeout(function () {
			// Eğer buton hala görünürse eski haline döndür
			if (sellBtn.visible) {
				sellBtnTxt.setText('Sat');
			}
			// Teklifi yenileme, teklif tamamlanmasın!
		}, 300); // 5 saniye = 300 frame
		return;
	}
	// Satış işlemi
	parts[currentSellOffer.part] -= currentSellOffer.amount;
	money += currentSellOffer.price;
	updateMoneyText();
	updatePartsText();
	// Panel animasyonu
	tween(sellPanel, {
		scaleX: 1.08,
		scaleY: 1.08
	}, {
		duration: 120,
		onFinish: function onFinish() {
			tween(sellPanel, {
				scaleX: 1,
				scaleY: 1
			}, {
				duration: 120
			});
		}
	});
	// Teklif tamamlandı, yeni teklif gelene kadar butonu kapat
	currentSellOffer.active = false;
	sellBtn.visible = false;
	sellBtnTxt.visible = false;
	sellPartTxt.setText("Teklif tamamlandı!");
	sellAmountTxt.setText("");
	sellPriceTxt.setText("");
	// Yeni teklif rastgele 1-2 dakika sonra gelsin
	var nextSellOfferDelay = (60 + Math.floor(Math.random() * 61)) * 60;
	LK.setTimeout(function () {
		generateSellOffer();
	}, nextSellOfferDelay);
};
// Satış teklifi her rastgele 1-5 dakikada bir yenilensin (eğer aktif değilse)
function scheduleNextSellOfferInterval() {
	var interval = (60 + Math.floor(Math.random() * 61)) * 60;
	LK.setTimeout(function () {
		if (!currentSellOffer.active) generateSellOffer();
		scheduleNextSellOfferInterval();
	}, interval);
}
scheduleNextSellOfferInterval();

===================================================================
--- original.js
+++ change.js
@@ -709,8 +709,32 @@
 var store = new Store();
 store.x = 1700;
 store.y = 600;
 game.addChild(store);
+// --- Geri Dön Button for Store Page ---
+var storeBackBtn = LK.getAsset('button', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	width: 180,
+	height: 70
+});
+storeBackBtn.x = store.x;
+storeBackBtn.y = store.y - 220;
+game.addChild(storeBackBtn);
+var storeBackBtnTxt = new Text2('Geri Dön', {
+	size: 36,
+	fill: '#fff'
+});
+storeBackBtnTxt.anchor.set(0.5, 0.5);
+storeBackBtnTxt.x = storeBackBtn.x;
+storeBackBtnTxt.y = storeBackBtn.y;
+game.addChild(storeBackBtnTxt);
+storeBackBtn.down = function (x, y, obj) {
+	// Call a function to return to the main page, if defined
+	if (typeof goToMainPage === "function") {
+		goToMainPage();
+	}
+};
 // --- Upgrade Buttons ---
 var mineBtns = [];
 for (var i = 0; i < 3; i++) {
 	var btn = LK.getAsset('button', {