/****
* Classes
****/
// Lander class
var Lander = Container.expand(function () {
  var self = Container.call(this);
  var landerGraphics = self.createAsset('lander', 'Player Lander', 0.5, 0.5);
  self.speedX = 0;
  self.speedY = 0;
  self.fuel = 100;
  self.isLanding = false;
  self.update = function () {
    if (self.fuel > 0 && !self.isLanding) {
      self.x += self.speedX;
      self.y += self.speedY;
      self.speedY += 0.05; // Gravity effect
    }
  };
  self.land = function () {
    self.isLanding = true;
  };
  self.refuel = function () {
    self.fuel = 100;
  };
});
// Platform class
var Platform = Container.expand(function () {
  var self = Container.call(this);
  var platformGraphics = self.createAsset('platform', 'Landing Platform', 0.5, 0.5);
  self.checkLanding = function (lander) {
    return lander.intersects(self) && lander.speedY < 1;
  };
});
/****
* Initialize Game
****/
var game = new LK.Game({
  backgroundColor: 0x000000 // Init game with black background 
});
/****
* Game Code
****/
// Initialize lander
var lander = game.addChild(new Lander());
lander.x = 1024; // Start in the middle of the screen horizontally
lander.y = 100; // Start from the top

// Initialize platform
var platform = game.addChild(new Platform());
platform.x = 1024; // Center horizontally
platform.y = 2632; // Place at the bottom

// Game variables
var isGameOver = false;
var score = 0;
var scoreTxt = new Text2(score.toString(), {
  size: 150,
  fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);

// Event listeners
game.on('down', function (obj) {
  var touchPos = obj.event.getLocalPosition(game);
  if (touchPos.x < 1024) {
    lander.speedX = -1;
  } else {
    lander.speedX = 1;
  }
});
game.on('up', function (obj) {
  lander.speedX = 0;
});

// Game tick update
LK.on('tick', function () {
  if (!isGameOver) {
    lander.update();

    // Check for landing
    if (platform.checkLanding(lander)) {
      lander.land();
      score += 1;
      scoreTxt.setText(score.toString());
      lander.refuel();
      // Reset lander position
      lander.x = 1024;
      lander.y = 100;
      lander.speedY = 0;
      lander.isLanding = false;
    }

    // Check for game over conditions
    if (lander.y > 2732 || lander.fuel <= 0) {
      isGameOver = true;
      LK.showGameOver();
    }
  }
});