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

/**** 
* Classes
****/ 
// Building class
var Building = Container.expand(function () {
	var self = Container.call(this);
	var buildingSprite = self.attachAsset('building', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = buildingSprite.width / 2;
	self.entry = null;
	self.hasEntry = false;
	self.entryX = 0;
	self.entryY = 0;
	self.id = '';
	self.addEntry = function () {
		self.hasEntry = true;
		self.entry = self.attachAsset('building_entry', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: buildingSprite.width / 2 - 30,
			y: buildingSprite.height / 2 - 30
		});
		self.entryX = self.x + buildingSprite.width / 2 - 30;
		self.entryY = self.y + buildingSprite.height / 2 - 30;
	};
	return self;
});
// Corridor class for building interiors
var Corridor = Container.expand(function () {
	var self = Container.call(this);
	// Use the 'en' asset for the corridor's visual appearance
	var corridorSprite = self.attachAsset('en', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	corridorSprite.width = 1100;
	corridorSprite.height = 340;
	self.radius = corridorSprite.width / 2;
	return self;
});
// Helicopter class
var Helicopter = Container.expand(function () {
	var self = Container.call(this);
	var heliSprite = self.attachAsset('helicopter', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 28;
	self.radius = heliSprite.width / 2;
	self.target = null;
	self.update = function () {
		if (!self.target) return;
		// Hover above target
		var dx = self.target.x - self.x;
		var dy = self.target.y - 300 - self.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist > 0) {
			self.x += self.speed * dx / dist;
			self.y += self.speed * dy / dist;
		}
	};
	return self;
});
// Item class
var Item = Container.expand(function (type) {
	var self = Container.call(this);
	self.type = type || 'item';
	var assetId = 'item';
	if (self.type === 'flower') assetId = 'item_flower';else if (self.type === 'coin') assetId = 'item_coin';else if (self.type === 'book') assetId = 'item_book';else if (self.type === 'bag') assetId = 'item_bag';else if (self.type === 'key') assetId = 'item_key';else if (self.type === 'map') assetId = 'item_map';else if (self.type === 'wallet') assetId = 'item_wallet';
	var itemSprite = self.attachAsset(assetId, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = itemSprite.width / 2;
	self.id = '';
	self.collected = false;
	self.update = function () {};
	return self;
});
// NPC class
var NPC = Container.expand(function () {
	var self = Container.call(this);
	var npcSprite = self.attachAsset('npc', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = npcSprite.width / 2;
	self.isSpecial = false;
	self.hasQuest = false;
	self.questGiven = false;
	self.questCompleted = false;
	self.questType = null;
	self.questTarget = null;
	self.questText = '';
	self.id = '';
	self.update = function () {
		// Prevent NPC from overlapping with buildings
		for (var i = 0; i < buildings.length; i++) {
			var b = buildings[i];
			var dx = self.x - b.x;
			var dy = self.y - b.y;
			var dist = Math.sqrt(dx * dx + dy * dy);
			if (dist < self.radius + b.radius - 10) {
				// Push NPC out of building
				var overlap = self.radius + b.radius - 10 - dist;
				if (dist === 0) {
					// Avoid division by zero, move randomly
					self.x += Math.random() > 0.5 ? overlap : -overlap;
					self.y += Math.random() > 0.5 ? overlap : -overlap;
				} else {
					self.x += dx / dist * overlap;
					self.y += dy / dist * overlap;
				}
			}
		}
	};
	return self;
});
// Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerSprite = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 18;
	self.radius = playerSprite.width / 2;
	self.isInBuilding = false;
	self.targetX = self.x;
	self.targetY = self.y;
	self.moveTo = function (x, y) {
		self.targetX = x;
		self.targetY = y;
	};
	self.update = function () {
		// Move towards targetX, targetY
		var dx = self.targetX - self.x;
		var dy = self.targetY - self.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist > self.speed) {
			// Calculate intended new position
			var nextX = self.x + self.speed * dx / dist;
			var nextY = self.y + self.speed * dy / dist;
			var blocked = false;
			if (!self.isInBuilding) {
				// Check collision with buildings only when outside
				for (var i = 0; i < buildings.length; i++) {
					var b = buildings[i];
					// Use circle collision for blocking
					var ddx = nextX - b.x;
					var ddy = nextY - b.y;
					var dDist = Math.sqrt(ddx * ddx + ddy * ddy);
					if (dDist < self.radius + b.radius - 10) {
						// If building has an entry, check if next position is within entry area
						var allowEntry = false;
						if (b.hasEntry && b.entry) {
							// Calculate entry's world position
							var entryWorldX = b.x + b.entry.x;
							var entryWorldY = b.y + b.entry.y;
							// Allow a generous area for the door
							var entryRadius = b.entry.width / 2 + 30;
							var entryDist = Math.sqrt((nextX - entryWorldX) * (nextX - entryWorldX) + (nextY - entryWorldY) * (nextY - entryWorldY));
							if (entryDist < entryRadius) {
								allowEntry = true;
							}
						}
						if (!allowEntry) {
							blocked = true;
							break;
						}
					}
				}
			}
			// Do NOT block player for NPCs!
			if (!blocked) {
				self.x = nextX;
				self.y = nextY;
			}
			// If blocked, do not move this frame
		} else {
			self.x = self.targetX;
			self.y = self.targetY;
		}
	};
	return self;
});
// Police Car class
var PoliceCar = Container.expand(function () {
	var self = Container.call(this);
	var policeSprite = self.attachAsset('police', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 22;
	self.radius = policeSprite.width / 2;
	self.target = null;
	self.update = function () {
		if (!self.target) return;
		var dx = self.target.x - self.x;
		var dy = self.target.y - self.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist > 0) {
			self.x += self.speed * dx / dist;
			self.y += self.speed * dy / dist;
		}
	};
	return self;
});
// Room class for building interiors
var Room = Container.expand(function () {
	var self = Container.call(this);
	// Use the corridor asset for the room's visual appearance
	var roomSprite = self.attachAsset('Koridor', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	roomSprite.width = 220;
	roomSprite.height = 320;
	self.radius = roomSprite.width / 2;
	// Optionally add a door
	self.addDoor = function (doorX, doorY) {
		var door = self.attachAsset('building_entry', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: doorX,
			y: doorY
		});
		door.width = 60;
		door.height = 60;
		return door;
	};
	// Optionally add a decor item
	self.addDecor = function (assetId, decorX, decorY) {
		var decor = self.attachAsset(assetId, {
			anchorX: 0.5,
			anchorY: 0.5,
			x: decorX,
			y: decorY
		});
		decor.width = 70;
		decor.height = 70;
		return decor;
	};
	return self;
});
// Special NPC class
var SpecialNPC = Container.expand(function () {
	var self = Container.call(this);
	// Attach the special NPC asset and set tint directly
	var npcSpecialSprite = self.attachAsset('npc_special', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.isSpecial = true;
	self.hasQuest = true;
	self.questGiven = false;
	self.questCompleted = false;
	self.questType = 'find_item';
	self.questText = 'Find my lost wallet!';
	// No need to set tint, as the asset is already colored
	// Add empty update method to avoid 'update is not a function' error
	self.update = function () {};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x222a36
});

/**** 
* Game Code
****/ 
// Star (wanted level)
// Item
// Buildings
// Police
// NPCs
// Player
// World boundaries
var WORLD_W = 2048;
var WORLD_H = 2732;
// Player
var player = new Player();
player.x = WORLD_W / 2;
player.y = WORLD_H / 2;
game.addChild(player);
// Buildings
var buildings = [];
// NPCs
var npcs = [];
var specialNpcs = [];
// Expanded NPC positions, spaced away from buildings
var npcPositions = [{
	x: 300,
	y: 300,
	dialog: ["Merhaba! Şehirde yeni misin?", "Buralar eskiden çok daha sakindi.", "Bana bir çiçek bulabilir misin? Çok mutlu olurum!"],
	quest: {
		type: "find_item",
		item: "flower",
		text: "Bir çiçek bul ve bana getir!"
	}
}, {
	x: 1750,
	y: 350,
	dialog: ["Hey! Polislerden uzak dur.", "Biraz para kaybettim, bulursan getir lütfen.", "Şu binanın arkasında bir şey gördüm."],
	quest: {
		type: "find_item",
		item: "coin",
		text: "Kaybolan parayı bul ve getir!"
	}
}, {
	x: 400,
	y: 2300,
	dialog: ["Bugün hava çok güzel.", "Beni bulduğun için teşekkürler!", "Bir kitap kaybettim, bulursan çok sevinirim."],
	quest: {
		type: "find_item",
		item: "book",
		text: "Kaybolan kitabı bul ve getir!"
	}
}, {
	x: 1800,
	y: 2300,
	dialog: ["Şehirde çok fazla bina var.", "Birazdan markete gideceğim.", "Bir market poşeti kaybettim, bulursan getirir misin?"],
	quest: {
		type: "find_item",
		item: "bag",
		text: "Market poşetimi bul ve getir!"
	}
},
// Ekstra NPC'ler
{
	x: 1000,
	y: 800,
	dialog: ["Selam! Helikopteri gördün mü?", "Bazen yukarıdan izliyorlar.", "Bir anahtar kaybettim, bulursan bana getir."],
	quest: {
		type: "find_item",
		item: "key",
		text: "Kaybolan anahtarı bul ve getir!"
	}
}, {
	x: 1500,
	y: 1200,
	dialog: ["Binaların arasında kaybolmak kolay.", "Bir harita bulursan bana getirir misin?", "Teşekkürler!"],
	quest: {
		type: "find_item",
		item: "map",
		text: "Bir harita bul ve getir!"
	}
}];
// Add NPCs, keep them above buildings visually
// Randomize NPC positions at every game start
function getRandomNPCPos() {
	// Keep NPCs away from the very edges and from the top menu
	var margin = 180;
	var minX = margin,
		maxX = WORLD_W - margin;
	var minY = 200,
		maxY = WORLD_H - margin;
	return {
		x: Math.floor(Math.random() * (maxX - minX)) + minX,
		y: Math.floor(Math.random() * (maxY - minY)) + minY
	};
}
for (var i = 0; i < npcPositions.length; i++) {
	var npc = new NPC();
	var maxTries = 30;
	var pos;
	var insideBuilding = true;
	// Try to find a position not inside any building
	var tryCount = 0;
	while (insideBuilding && maxTries-- > 0) {
		pos = getRandomNPCPos();
		insideBuilding = false;
		for (var b = 0; b < buildings.length; b++) {
			var build = buildings[b];
			var dx = pos.x - build.x;
			var dy = pos.y - build.y;
			var dist = Math.sqrt(dx * dx + dy * dy);
			if (dist < npc.radius + build.radius + 30) {
				insideBuilding = true;
				break;
			}
		}
		tryCount++;
	}
	// If after all tries, still inside a building, move to a default safe spot
	if (insideBuilding) {
		pos.x = 200 + 100 * i;
		pos.y = 200 + 100 * i;
	}
	npc.x = pos.x;
	npc.y = pos.y;
	npc.id = 'npc' + i;
	npc.dialog = npcPositions[i].dialog;
	npc.dialogIndex = 0;
	npc.hasQuest = true;
	npc.questGiven = false;
	npc.questCompleted = false;
	npc.questType = npcPositions[i].quest.type;
	npc.questTarget = npcPositions[i].quest.item;
	npc.questText = npcPositions[i].quest.text;
	npcs.push(npc);
}
// Add a special NPC with a quest
var specialNpc = new SpecialNPC();
specialNpc.x = 600;
specialNpc.y = 1500;
specialNpc.id = 'special1';
specialNpcs.push(specialNpc);
// Buildings
var buildings = [];
// Add all buildings to game first, so they are always at the bottom layer
for (var i = 0; i < buildings.length; i++) {
	game.addChild(buildings[i]);
}
// Ensure items array is defined before use
if (typeof items === "undefined") {
	var items = [];
}
// Add all items above buildings
for (var i = 0; i < items.length; i++) {
	game.addChild(items[i]);
}
// Add all NPCs above items and buildings
for (var i = 0; i < npcs.length; i++) {
	game.addChild(npcs[i]);
}
for (var i = 0; i < specialNpcs.length; i++) {
	game.addChild(specialNpcs[i]);
}
// Add player above all
game.addChild(player);
// Grid layout for buildings: 4 columns x 4 rows, spaced out, not side by side, orderly
var buildingPositions = [];
var gridCols = 4;
var gridRows = 4;
var startX = 350;
var startY = 400;
var spacingX = 400;
var spacingY = 400;
for (var row = 0; row < gridRows; row++) {
	for (var col = 0; col < gridCols; col++) {
		// Stagger rows for more realism
		var offsetX = row % 2 === 0 ? 0 : spacingX / 2;
		buildingPositions.push({
			x: startX + col * spacingX + offsetX,
			y: startY + row * spacingY
		});
	}
}
for (var i = 0; i < buildingPositions.length; i++) {
	var b = new Building();
	b.x = buildingPositions[i].x;
	b.y = buildingPositions[i].y;
	b.id = 'building' + i;
	b.addEntry();
	buildings.push(b);
	game.addChild(b);
}
// Items (for quests)
var items = [];
// Wallet for special NPC
var questItem = new Item('wallet');
questItem.x = 1800;
questItem.y = 1400;
questItem.id = 'wallet';
items.push(questItem);
game.addChild(questItem);
// Flower for NPC 0
var flower = new Item('flower');
flower.x = 600;
flower.y = 500;
flower.id = 'flower';
items.push(flower);
game.addChild(flower);
// Coin for NPC 1
var coin = new Item('coin');
coin.x = 1600;
coin.y = 600;
coin.id = 'coin';
items.push(coin);
game.addChild(coin);
// Book for NPC 2
var book = new Item('book');
book.x = 600;
book.y = 2100;
book.id = 'book';
items.push(book);
game.addChild(book);
// Bag for NPC 3
var bag = new Item('bag');
bag.x = 1700;
bag.y = 2100;
bag.id = 'bag';
items.push(bag);
game.addChild(bag);
// Key for NPC 4
var key = new Item('key');
key.x = 1200;
key.y = 900;
key.id = 'key';
items.push(key);
game.addChild(key);
// Map for NPC 5
var map = new Item('map');
map.x = 1400;
map.y = 1300;
map.id = 'map';
items.push(map);
game.addChild(map);
// Police
var policeCars = [];
var helicopters = [];
// Wanted system
var wantedLevel = 0; // 0-5
var wantedDecayTimer = 0;
var wantedMax = 5;
// GUI: Wanted stars
var starIcons = [];
for (var i = 0; i < wantedMax; i++) {
	var star = LK.getAsset('star', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	star.x = 120 + i * 70;
	star.y = 80;
	star.visible = false;
	LK.gui.top.addChild(star);
	starIcons.push(star);
}
// GUI: Quest text
var questText = new Text2('', {
	size: 70,
	fill: "#fff"
});
// Anchor'ı üst ortada olacak şekilde ayarla
questText.anchor.set(0.5, 0);
// Ekranın üst orta kısmına yerleştir (100px aşağıda, üstteki menüyle çakışmasın)
questText.x = LK.gui.width / 2;
questText.y = 120;
LK.gui.top.addChild(questText);
// GUI: Mission complete text
var missionText = new Text2('', {
	size: 90,
	fill: 0x27AE60
});
missionText.anchor.set(0.5, 0);
missionText.x = LK.gui.width / 2;
missionText.y = 300;
LK.gui.top.addChild(missionText);
// GUI: Police alert text
var policeText = new Text2('', {
	size: 80,
	fill: 0xE74C3C
});
policeText.anchor.set(0.5, 0);
policeText.x = LK.gui.width / 2;
policeText.y = 400;
LK.gui.top.addChild(policeText);
// Dragging/movement
var dragging = false;
// Helper: Check circle collision
function circlesCollide(a, b) {
	var dx = a.x - b.x;
	var dy = a.y - b.y;
	var dist = Math.sqrt(dx * dx + dy * dy);
	return dist < a.radius + b.radius - 10;
}
// Helper: Show wanted stars
function updateWantedStars() {
	for (var i = 0; i < wantedMax; i++) {
		starIcons[i].visible = i < wantedLevel;
	}
}
// Helper: Set quest text
function setQuestText(txt) {
	questText.setText(txt);
}
// Helper: Set mission text
function setMissionText(txt) {
	missionText.setText(txt);
	if (txt) {
		tween(missionText, {
			alpha: 1
		}, {
			duration: 0
		});
		tween(missionText, {
			alpha: 0
		}, {
			duration: 1800,
			easing: tween.linear
		});
	}
}
// Helper: Set police alert
function setPoliceText(txt) {
	policeText.setText(txt);
	if (txt) {
		tween(policeText, {
			alpha: 1
		}, {
			duration: 0
		});
		tween(policeText, {
			alpha: 0
		}, {
			duration: 1800,
			easing: tween.linear
		});
	}
}
// Helper: Enter building
var buildingDoor = null;
var currentBuilding = null;
function tryEnterBuilding() {
	for (var i = 0; i < buildings.length; i++) {
		var b = buildings[i];
		// Enter if near entry, but do NOT block movement inside building
		if (circlesCollide(player, b)) {
			if (b.hasEntry && Math.abs(player.x - (b.x + b.entry.x)) < 80 && Math.abs(player.y - (b.y + b.entry.y)) < 80) {
				player.isInBuilding = true;
				currentBuilding = b;
				setQuestText('Binanın içindesin. Kapıya tıklayarak çıkabilirsin.');
				// Hide all city elements (buildings, npcs, items, police, etc)
				for (var i = 0; i < buildings.length; i++) buildings[i].visible = false;
				for (var i = 0; i < npcs.length; i++) npcs[i].visible = false;
				for (var i = 0; i < specialNpcs.length; i++) specialNpcs[i].visible = false;
				for (var i = 0; i < items.length; i++) items[i].visible = false;
				for (var i = 0; i < policeCars.length; i++) policeCars[i].visible = false;
				for (var i = 0; i < helicopters.length; i++) helicopters[i].visible = false;
				// Show only the building interior background (add corridor entity)
				if (typeof buildingInteriorBg !== "undefined" && buildingInteriorBg.parent) {
					buildingInteriorBg.parent.removeChild(buildingInteriorBg);
				}
				buildingInteriorBg = new Container();
				buildingInteriorBg.visible = true;
				game.addChild(buildingInteriorBg);
				// Add the 'corridor' entity to the building interior
				if (typeof buildingCorridor !== "undefined" && buildingCorridor.parent) {
					buildingCorridor.parent.removeChild(buildingCorridor);
				}
				buildingCorridor = new Corridor();
				buildingCorridor.x = WORLD_W / 2;
				buildingCorridor.y = WORLD_H / 2;
				buildingInteriorBg.addChild(buildingCorridor);
				// Add rooms (oda) to the building interior, placed at the ends of the corridor (not inside it)
				if (typeof buildingRooms !== "undefined") {
					for (var i = 0; i < buildingRooms.length; i++) {
						if (buildingRooms[i].parent) buildingRooms[i].parent.removeChild(buildingRooms[i]);
					}
				}
				buildingRooms = [];
				// Place rooms at the ends of the corridor
				var corridorCenterX = WORLD_W / 2;
				var corridorCenterY = WORLD_H / 2;
				var corridorWidth = 1100;
				var corridorHeight = 340;
				var roomOffsetX = corridorWidth / 2 + 140; // 140 is half room width + margin
				var roomOffsetY = 0;
				// Left end room
				var leftRoom = new Room();
				leftRoom.x = corridorCenterX - roomOffsetX;
				leftRoom.y = corridorCenterY;
				buildingInteriorBg.addChild(leftRoom);
				buildingRooms.push(leftRoom);
				// Add a coin at the end of the left room
				var leftCoin = new Item('coin');
				leftCoin.x = leftRoom.x;
				leftCoin.y = leftRoom.y + leftRoom.height / 2 - 60;
				leftCoin.id = 'room_coin_left_' + (currentBuilding ? currentBuilding.id : '');
				leftCoin.collected = false;
				leftCoin.visible = true;
				buildingInteriorBg.addChild(leftCoin);
				// Right end room
				var rightRoom = new Room();
				rightRoom.x = corridorCenterX + roomOffsetX;
				rightRoom.y = corridorCenterY;
				buildingInteriorBg.addChild(rightRoom);
				buildingRooms.push(rightRoom);
				// Add a coin at the end of the right room
				var rightCoin = new Item('coin');
				rightCoin.x = rightRoom.x;
				rightCoin.y = rightRoom.y + rightRoom.height / 2 - 60;
				rightCoin.id = 'room_coin_right_' + (currentBuilding ? currentBuilding.id : '');
				rightCoin.collected = false;
				rightCoin.visible = true;
				buildingInteriorBg.addChild(rightCoin);
				// Move player to the center of the building interior
				player.x = WORLD_W / 2;
				player.y = WORLD_H / 2 + 60;
				// Show player inside the building interior
				if (player.parent) {
					player.parent.removeChild(player);
				}
				buildingInteriorBg.addChild(player);
				// Show a door inside the building to exit (centered at top)
				if (buildingDoor && buildingDoor.parent) {
					buildingDoor.parent.removeChild(buildingDoor);
				}
				buildingDoor = LK.getAsset('building_entry', {
					anchorX: 0.5,
					anchorY: 0.5,
					x: WORLD_W / 2,
					y: WORLD_H / 2 - 320
				});
				buildingDoor.interactive = true;
				buildingDoor.visible = true;
				game.addChild(buildingDoor);
				return false;
			}
		}
	}
	return false;
}
// Helper: Exit building
function tryExitBuilding(x, y) {
	if (player.isInBuilding && buildingDoor) {
		// Check if tap is on the door
		var dx = x - buildingDoor.x;
		var dy = y - buildingDoor.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist < buildingDoor.width / 2 + 30) {
			// Hide building interior background
			if (typeof buildingInteriorBg !== "undefined" && buildingInteriorBg.parent) {
				buildingInteriorBg.parent.removeChild(buildingInteriorBg);
				buildingInteriorBg.visible = false;
			}
			// Restore city elements
			for (var i = 0; i < buildings.length; i++) buildings[i].visible = true;
			for (var i = 0; i < npcs.length; i++) npcs[i].visible = true;
			for (var i = 0; i < specialNpcs.length; i++) specialNpcs[i].visible = true;
			for (var i = 0; i < items.length; i++) items[i].visible = true;
			for (var i = 0; i < policeCars.length; i++) policeCars[i].visible = true;
			for (var i = 0; i < helicopters.length; i++) helicopters[i].visible = true;
			// Move player outside the building, near the entry
			if (currentBuilding && currentBuilding.hasEntry && currentBuilding.entry) {
				player.x = currentBuilding.x + currentBuilding.entry.x;
				player.y = currentBuilding.y + currentBuilding.entry.y + 100;
			} else {
				player.x = player.x + 200;
				player.y = player.y + 200;
			}
			// Restore player to city scene
			if (player.parent) {
				player.parent.removeChild(player);
			}
			game.addChild(player);
			player.isInBuilding = false;
			setQuestText('');
			// Remove door
			if (buildingDoor.parent) buildingDoor.parent.removeChild(buildingDoor);
			buildingDoor = null;
			currentBuilding = null;
		}
	}
}
// Helper: Interact with NPCs
function tryInteractNPC() {
	var interacted = false;
	for (var i = 0; i < npcs.length; i++) {
		var npc = npcs[i];
		if (circlesCollide(player, npc)) {
			// If NPC has a quest
			if (npc.hasQuest) {
				if (!npc.questGiven && !npc.questCompleted) {
					// Show quest text and mark quest as given
					setQuestText(npc.questText);
					npc.questGiven = true;
					npc.dialogIndex = 0;
					interacted = true;
				} else if (npc.questGiven && !npc.questCompleted) {
					// Check if player has the quest item (only the correct item is accepted)
					var found = false;
					for (var j = 0; j < items.length; j++) {
						if (items[j].id === npc.questTarget && items[j].collected) {
							npc.questCompleted = true;
							setQuestText('Teşekkürler! Görevi tamamladın.');
							setMissionText('Görev Tamamlandı!');
							LK.setScore(LK.getScore() + 1);
							interacted = true;
							found = true;
							break;
						}
					}
					// If not found, remind quest
					if (!npc.questCompleted) {
						setQuestText('Görev: ' + npc.questText + " (Sadece doğru eşyayı kabul eder)");
						interacted = true;
					}
				} else if (npc.questCompleted) {
					// After quest is completed, show dialog or thanks
					if (!npc._thankedTwice) {
						setQuestText('Tekrar teşekkürler!');
						if (typeof npc._thanksCount === "undefined") npc._thanksCount = 0;
						npc._thanksCount++;
						if (npc._thanksCount >= 2) {
							npc._thankedTwice = true;
							// Clear quest text after a short delay so player can move freely
							LK.setTimeout(function () {
								setQuestText('');
							}, 1200);
						}
						interacted = true;
					} else {
						// Already thanked twice, allow player to move freely
						setQuestText('');
						// Do not block movement
					}
				}
			}
			// If no quest, cycle through dialog
			if (!npc.hasQuest && npc.dialog && npc.dialog.length > 0) {
				setQuestText(npc.dialog[npc.dialogIndex]);
				npc.dialogIndex = (npc.dialogIndex + 1) % npc.dialog.length;
				interacted = true;
			} else if (!npc.hasQuest) {
				setQuestText('Merhaba!');
				interacted = true;
			}
		}
	}
	for (var i = 0; i < specialNpcs.length; i++) {
		var npc = specialNpcs[i];
		if (circlesCollide(player, npc)) {
			if (!npc.questGiven && !npc.questCompleted) {
				setQuestText(npc.questText);
				npc.questGiven = true;
				interacted = true;
			} else if (npc.questGiven && !npc.questCompleted) {
				// Check if player has wallet (only wallet is accepted)
				var found = false;
				for (var j = 0; j < items.length; j++) {
					if (items[j].id === 'wallet' && items[j].collected) {
						npc.questCompleted = true;
						setQuestText('Thank you for finding my wallet!');
						setMissionText('Mission Complete!');
						LK.setScore(LK.getScore() + 1);
						interacted = true;
						found = true;
						break;
					}
				}
				if (!npc.questCompleted) {
					setQuestText('Did you find my wallet? (Only the wallet is accepted)');
					interacted = true;
				}
			} else if (npc.questCompleted) {
				setQuestText('Thanks again!');
				interacted = true;
			}
		}
	}
	// Always return false so player movement is never blocked by NPC interaction
	return false;
}
// --- Item selection and pickup UI ---
// State for selected item and pickup UI
var selectedItem = null;
var itemPickupNameText = null;
var itemPickupButton = null;
// Helper: Show item pickup UI above the item
function showItemPickupUI(item) {
	hideItemPickupUI();
	if (!item || item.collected) return;
	// Show item name
	var itemName = '';
	if (item.id === 'wallet') itemName = 'Cüzdan';else if (item.id === 'flower') itemName = 'Çiçek';else if (item.id === 'coin') itemName = 'Altın';else if (item.id === 'book') itemName = 'Kitap';else if (item.id === 'bag') itemName = 'Poşet';else if (item.id === 'key') itemName = 'Anahtar';else if (item.id === 'map') itemName = 'Harita';else itemName = 'Eşya';
	itemPickupNameText = new Text2(itemName, {
		size: 70,
		fill: "#fff"
	});
	itemPickupNameText.anchor.set(0.5, 1);
	itemPickupNameText.x = item.x;
	itemPickupNameText.y = item.y - item.radius - 30;
	game.addChild(itemPickupNameText);
	// Show 'al' button
	itemPickupButton = new Text2("al", {
		size: 80,
		fill: 0x27AE60
	});
	itemPickupButton.anchor.set(0.5, 0);
	itemPickupButton.x = item.x;
	itemPickupButton.y = itemPickupNameText.y + 10;
	itemPickupButton.interactive = true;
	itemPickupButton.visible = true;
	itemPickupButton._isPickupButton = true;
	game.addChild(itemPickupButton);
}
// Helper: Hide item pickup UI
function hideItemPickupUI() {
	if (itemPickupNameText && itemPickupNameText.parent) {
		itemPickupNameText.parent.removeChild(itemPickupNameText);
	}
	if (itemPickupButton && itemPickupButton.parent) {
		itemPickupButton.parent.removeChild(itemPickupButton);
	}
	itemPickupNameText = null;
	itemPickupButton = null;
	selectedItem = null;
}
// Helper: Interact with items (tap to select, then tap 'al' to collect)
function tryCollectItem(x, y, obj) {
	// If 'al' button is visible and tapped
	if (itemPickupButton && itemPickupButton.visible) {
		var dx = x - itemPickupButton.x;
		var dy = y - itemPickupButton.y;
		if (Math.abs(dx) < 100 && Math.abs(dy) < 60) {
			// Collect the selected item
			if (selectedItem && !selectedItem.collected) {
				selectedItem.collected = true;
				selectedItem.visible = false;
				// Show a unique message for each item
				var foundMsg = '';
				if (selectedItem.id === 'wallet') foundMsg = 'You found a wallet!';else if (selectedItem.id === 'flower') foundMsg = 'Bir çiçek buldun!';else if (selectedItem.id === 'coin') foundMsg = 'Bir para buldun!';else if (selectedItem.id === 'book') foundMsg = 'Bir kitap buldun!';else if (selectedItem.id === 'bag') foundMsg = 'Bir poşet buldun!';else if (selectedItem.id === 'key') foundMsg = 'Bir anahtar buldun!';else if (selectedItem.id === 'map') foundMsg = 'Bir harita buldun!';else foundMsg = 'Bir eşya buldun!';
				setMissionText(foundMsg);
				hideItemPickupUI();
				return true;
			}
		}
	}
	// If not, check if player tapped on an item to select it
	for (var i = 0; i < items.length; i++) {
		var item = items[i];
		if (!item.collected && circlesCollide(player, item)) {
			// If tap is close to the item, select it
			var tapDist = Math.sqrt((x - item.x) * (x - item.x) + (y - item.y) * (y - item.y));
			if (tapDist < item.radius + 40) {
				selectedItem = item;
				showItemPickupUI(item);
				return true;
			}
		}
	}
	// If tap is not on any item, hide UI
	hideItemPickupUI();
	return false;
}
// Helper: Commit crime (damage property)
function tryDamageProperty(x, y) {
	// If player is near a building, "damage" it
	for (var i = 0; i < buildings.length; i++) {
		var b = buildings[i];
		var dx = x - (b.x + 150);
		var dy = y - (b.y + 150);
		if (Math.abs(dx) < 150 && Math.abs(dy) < 150) {
			// Crime committed!
			wantedLevel = Math.min(wantedLevel + 1, wantedMax);
			updateWantedStars();
			setPoliceText('Police alerted!');
			wantedDecayTimer = 0;
			LK.effects.flashObject(b, 0xff0000, 500);
			return true;
		}
	}
	return false;
}
// Police AI: spawn police based on wanted level
function updatePolice() {
	// Remove police if wantedLevel is 0
	if (wantedLevel === 0) {
		for (var i = 0; i < policeCars.length; i++) {
			policeCars[i].destroy();
		}
		policeCars = [];
		for (var i = 0; i < helicopters.length; i++) {
			helicopters[i].destroy();
		}
		helicopters = [];
		return;
	}
	// Spawn police cars
	while (policeCars.length < wantedLevel && policeCars.length < 3) {
		var pc = new PoliceCar();
		// Spawn at random edge
		var edge = Math.floor(Math.random() * 4);
		if (edge === 0) {
			pc.x = 0;
			pc.y = Math.random() * WORLD_H;
		}
		if (edge === 1) {
			pc.x = WORLD_W;
			pc.y = Math.random() * WORLD_H;
		}
		if (edge === 2) {
			pc.x = Math.random() * WORLD_W;
			pc.y = 0;
		}
		if (edge === 3) {
			pc.x = Math.random() * WORLD_W;
			pc.y = WORLD_H;
		}
		pc.target = player;
		policeCars.push(pc);
		game.addChild(pc);
	}
	// Spawn helicopter at wanted level 4+
	if (wantedLevel >= 4 && helicopters.length < 1) {
		var heli = new Helicopter();
		heli.x = Math.random() * WORLD_W;
		heli.y = 0;
		heli.target = player;
		helicopters.push(heli);
		game.addChild(heli);
	}
}
// Police AI: check for player caught
function checkPoliceCatch() {
	for (var i = 0; i < policeCars.length; i++) {
		if (circlesCollide(player, policeCars[i])) {
			LK.effects.flashScreen(0xff0000, 1000);
			setPoliceText('You were caught!');
			LK.showGameOver();
			return true;
		}
	}
	for (var i = 0; i < helicopters.length; i++) {
		if (Math.abs(player.x - helicopters[i].x) < 80 && Math.abs(player.y - helicopters[i].y) < 80) {
			LK.effects.flashScreen(0xff0000, 1000);
			setPoliceText('Helicopter caught you!');
			LK.showGameOver();
			return true;
		}
	}
	return false;
}
// Decay wanted level over time
function decayWantedLevel() {
	if (wantedLevel > 0) {
		wantedDecayTimer++;
		if (wantedDecayTimer > 300) {
			// ~5 seconds
			wantedLevel--;
			updateWantedStars();
			wantedDecayTimer = 0;
		}
	}
}
// Game move handler (tap to move, tap on NPC/building to interact)
function handleMove(x, y, obj) {
	// Convert to game coordinates
	if (dragging) {
		player.moveTo(x, y);
	}
}
// Tap down: move or interact
game.down = function (x, y, obj) {
	// If in building, check if tap is on the door to exit
	if (player.isInBuilding) {
		tryExitBuilding(x, y);
		return;
	}
	// Try interact with NPC
	if (tryInteractNPC()) return;
	// Try collect item (now supports tap-to-select and 'al' button)
	if (tryCollectItem(x, y, obj)) return;
	// Try enter building
	if (tryEnterBuilding()) return;
	// Otherwise, move
	player.moveTo(x, y);
	dragging = true;
	handleMove(x, y, obj);
};
game.up = function (x, y, obj) {
	dragging = false;
};
game.move = handleMove;
// Score display (missions completed)
var scoreTxt = new Text2('0', {
	size: 120,
	fill: "#fff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
scoreTxt.x = LK.gui.width / 2;
scoreTxt.y = 40;
// Main game update
game.update = function () {
	if (!player.isInBuilding) {
		player.update();
		// Update NPCs
		for (var i = 0; i < npcs.length; i++) npcs[i].update();
		for (var i = 0; i < specialNpcs.length; i++) specialNpcs[i].update();
		// Update police
		for (var i = 0; i < policeCars.length; i++) policeCars[i].update();
		for (var i = 0; i < helicopters.length; i++) helicopters[i].update();
		// Police AI
		updatePolice();
		checkPoliceCatch();
		decayWantedLevel();
	} else {
		// Allow player to move inside building (no city collision logic)
		player.update();
	}
	// Hide item pickup UI if player moves away or item is collected
	if (selectedItem && (!selectedItem.visible || selectedItem.collected || Math.sqrt((player.x - selectedItem.x) * (player.x - selectedItem.x) + (player.y - selectedItem.y) * (player.y - selectedItem.y)) > selectedItem.radius + 80)) {
		hideItemPickupUI();
	}
	// Update score
	scoreTxt.setText(LK.getScore());
	// Clamp player to world
	player.x = Math.max(player.radius, Math.min(WORLD_W - player.radius, player.x));
	player.y = Math.max(player.radius, Math.min(WORLD_H - player.radius, player.y));
	// Ortadaki yazıların her zaman ekranın ortasında kalmasını sağla
	if (typeof LK !== "undefined" && LK.gui && typeof LK.gui.width === "number" && LK.gui.width > 0) {
		questText.x = LK.gui.width / 2;
		missionText.x = LK.gui.width / 2;
		policeText.x = LK.gui.width / 2;
		scoreTxt.x = LK.gui.width / 2;
	}
};
// Initial wanted stars
updateWantedStars();
setQuestText('Explore the city! Tap on people or buildings.');
setMissionText('');
setPoliceText('');