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

/**** 
* Classes
****/ 
var CivilianCar = Container.expand(function () {
	var self = Container.call(this);
	var carGraphics = self.attachAsset('civilianCar', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 2 + Math.random() * 3;
	self.direction = Math.random() * Math.PI * 2;
	self.changeTimer = 0;
	self.update = function () {
		self.changeTimer++;
		// Change direction occasionally
		if (self.changeTimer > 120 + Math.random() * 120) {
			self.direction += (Math.random() - 0.5) * 0.5;
			self.changeTimer = 0;
		}
		// Move
		self.x += Math.cos(self.direction) * self.speed;
		self.y += Math.sin(self.direction) * self.speed;
		// Bounce off screen edges
		if (self.x < 50 || self.x > 1998) {
			self.direction = Math.PI - self.direction;
		}
		if (self.y < 50 || self.y > 2682) {
			self.direction = -self.direction;
		}
		// Keep on screen
		if (self.x < 50) self.x = 50;
		if (self.x > 1998) self.x = 1998;
		if (self.y < 50) self.y = 50;
		if (self.y > 2682) self.y = 2682;
		// Update rotation
		carGraphics.rotation = self.direction + Math.PI / 2;
	};
	return self;
});
var MoneyBag = Container.expand(function () {
	var self = Container.call(this);
	var bagGraphics = self.attachAsset('moneyBag', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.pulseTimer = 0;
	self.update = function () {
		self.pulseTimer += 0.1;
		bagGraphics.scaleX = 1 + Math.sin(self.pulseTimer) * 0.2;
		bagGraphics.scaleY = 1 + Math.sin(self.pulseTimer) * 0.2;
	};
	return self;
});
var PlayerCar = Container.expand(function () {
	var self = Container.call(this);
	var carGraphics = self.attachAsset('playerCar', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 8;
	self.maxSpeed = 12;
	self.velocityX = 0;
	self.velocityY = 0;
	self.rotation = 0;
	self.update = function () {
		// Apply velocity
		self.x += self.velocityX;
		self.y += self.velocityY;
		// Apply friction
		self.velocityX *= 0.95;
		self.velocityY *= 0.95;
		// Keep player on screen
		if (self.x < 60) self.x = 60;
		if (self.x > 1988) self.x = 1988;
		if (self.y < 60) self.y = 60;
		if (self.y > 2672) self.y = 2672;
		// Update rotation based on velocity
		if (Math.abs(self.velocityX) > 0.5 || Math.abs(self.velocityY) > 0.5) {
			self.rotation = Math.atan2(self.velocityY, self.velocityX) + Math.PI / 2;
			carGraphics.rotation = self.rotation;
		}
	};
	return self;
});
var PoliceCar = Container.expand(function () {
	var self = Container.call(this);
	var carGraphics = self.attachAsset('policeCar', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 6;
	self.velocityX = 0;
	self.velocityY = 0;
	self.update = function () {
		// Chase player
		var dx = playerCar.x - self.x;
		var dy = playerCar.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 0) {
			self.velocityX += dx / distance * 0.3;
			self.velocityY += dy / distance * 0.3;
		}
		// Limit speed
		var currentSpeed = Math.sqrt(self.velocityX * self.velocityX + self.velocityY * self.velocityY);
		if (currentSpeed > self.speed) {
			self.velocityX = self.velocityX / currentSpeed * self.speed;
			self.velocityY = self.velocityY / currentSpeed * self.speed;
		}
		// Apply movement
		self.x += self.velocityX;
		self.y += self.velocityY;
		// Apply friction
		self.velocityX *= 0.98;
		self.velocityY *= 0.98;
		// Update rotation
		if (Math.abs(self.velocityX) > 0.5 || Math.abs(self.velocityY) > 0.5) {
			carGraphics.rotation = Math.atan2(self.velocityY, self.velocityX) + Math.PI / 2;
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2d5016
});

/**** 
* Game Code
****/ 
// Game variables
var playerCar;
var policeCars = [];
var civilianCars = [];
var moneyBags = [];
var moneySpawnTimer = 0;
var policeSpawnTimer = 0;
var wantedLevel = 1;
var dragActive = false;
// Create roads
for (var i = 0; i < 7; i++) {
	var road = LK.getAsset('road', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: i * 300 + 150,
		y: 1366
	});
	game.addChild(road);
}
// Create buildings between roads
for (var j = 0; j < 6; j++) {
	for (var k = 0; k < 10; k++) {
		var building = LK.getAsset('building', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: j * 300 + 300,
			y: k * 300 + 150
		});
		game.addChild(building);
	}
}
// Create player car
playerCar = game.addChild(new PlayerCar());
playerCar.x = 1024;
playerCar.y = 2000;
// Create initial civilian cars
for (var c = 0; c < 8; c++) {
	var civilianCar = game.addChild(new CivilianCar());
	civilianCar.x = Math.random() * 1900 + 100;
	civilianCar.y = Math.random() * 2500 + 100;
	civilianCars.push(civilianCar);
}
// Create initial police car
var initialPolice = game.addChild(new PoliceCar());
initialPolice.x = Math.random() * 1900 + 100;
initialPolice.y = Math.random() * 1000 + 100;
policeCars.push(initialPolice);
// Create initial money bags
for (var m = 0; m < 3; m++) {
	var moneyBag = game.addChild(new MoneyBag());
	moneyBag.x = Math.random() * 1800 + 200;
	moneyBag.y = Math.random() * 2400 + 200;
	moneyBags.push(moneyBag);
}
// UI
var scoreTxt = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var wantedTxt = new Text2('Wanted Level: 1', {
	size: 60,
	fill: 0xFF4444
});
wantedTxt.anchor.set(1, 0);
wantedTxt.x = -20;
wantedTxt.y = 100;
LK.gui.topRight.addChild(wantedTxt);
// Touch controls
game.down = function (x, y, obj) {
	dragActive = true;
};
game.move = function (x, y, obj) {
	if (dragActive) {
		var dx = x - playerCar.x;
		var dy = y - playerCar.y;
		// Apply acceleration towards touch point
		playerCar.velocityX += dx * 0.01;
		playerCar.velocityY += dy * 0.01;
		// Limit max speed
		var currentSpeed = Math.sqrt(playerCar.velocityX * playerCar.velocityX + playerCar.velocityY * playerCar.velocityY);
		if (currentSpeed > playerCar.maxSpeed) {
			playerCar.velocityX = playerCar.velocityX / currentSpeed * playerCar.maxSpeed;
			playerCar.velocityY = playerCar.velocityY / currentSpeed * playerCar.maxSpeed;
		}
	}
};
game.up = function (x, y, obj) {
	dragActive = false;
};
// Play background music
LK.playMusic('chase');
// Main game loop
game.update = function () {
	// Update wanted level based on score
	var newWantedLevel = Math.floor(LK.getScore() / 5) + 1;
	if (newWantedLevel > wantedLevel && newWantedLevel <= 5) {
		wantedLevel = newWantedLevel;
		wantedTxt.setText('Wanted Level: ' + wantedLevel);
	}
	// Spawn money bags
	moneySpawnTimer++;
	if (moneySpawnTimer > 180) {
		if (moneyBags.length < 5) {
			var newMoney = game.addChild(new MoneyBag());
			newMoney.x = Math.random() * 1800 + 200;
			newMoney.y = Math.random() * 2400 + 200;
			moneyBags.push(newMoney);
		}
		moneySpawnTimer = 0;
	}
	// Spawn police cars based on wanted level
	policeSpawnTimer++;
	if (policeSpawnTimer > 300 - wantedLevel * 40) {
		if (policeCars.length < wantedLevel + 1) {
			var newPolice = game.addChild(new PoliceCar());
			newPolice.x = Math.random() * 1900 + 100;
			newPolice.y = Math.random() * 500 + 100;
			newPolice.speed = 6 + wantedLevel * 0.5;
			policeCars.push(newPolice);
		}
		policeSpawnTimer = 0;
	}
	// Check money collection
	for (var i = moneyBags.length - 1; i >= 0; i--) {
		var money = moneyBags[i];
		if (playerCar.intersects(money)) {
			LK.setScore(LK.getScore() + 1);
			scoreTxt.setText('Score: ' + LK.getScore());
			LK.getSound('collect').play();
			money.destroy();
			moneyBags.splice(i, 1);
			// Win condition
			if (LK.getScore() >= 50) {
				LK.showYouWin();
			}
		}
	}
	// Check police collisions
	for (var j = 0; j < policeCars.length; j++) {
		var police = policeCars[j];
		if (playerCar.intersects(police)) {
			LK.getSound('crash').play();
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	}
	// Check civilian collisions
	for (var k = 0; k < civilianCars.length; k++) {
		var civilian = civilianCars[k];
		if (playerCar.intersects(civilian)) {
			LK.getSound('crash').play();
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	}
};