/****
* Classes
****/
// Define Tetromino class
var Tetromino = Container.expand(function () {
  var self = Container.call(this);
  this.blocks = [];
  this.type = '';
  this.rotationIndex = 0;
  this.create = function (type) {
    this.type = type;
    this.rotationIndex = 0;
    var layout = tetrominoLayouts[type][this.rotationIndex];
    for (var i = 0; i < layout.length; i++) {
      for (var j = 0; j < layout[i].length; j++) {
        if (layout[i][j]) {
          var block = self.createAsset('block_' + type, 'Tetromino block', 0.5, 0.5);
          block.x = j * block.width;
          block.y = i * block.height;
          this.blocks.push(block);
          this.addChild(block);
        }
      }
    }
  };
  this.rotate = function () {
    this.rotationIndex = (this.rotationIndex + 1) % tetrominoLayouts[this.type].length;
    var layout = tetrominoLayouts[this.type][this.rotationIndex];
    var k = 0;
    for (var i = 0; i < layout.length; i++) {
      for (var j = 0; j < layout[i].length; j++) {
        if (layout[i][j]) {
          this.blocks[k].x = j * this.blocks[k].width;
          this.blocks[k].y = i * this.blocks[k].height;
          k++;
        }
      }
    }
  };
  this.move = function (dx, dy) {
    this.x += dx;
    this.y += dy;
  };
});
// Define Board class
var Board = Container.expand(function () {
  var self = Container.call(this);
  this.grid = [];
  this.init = function () {
    for (var i = 0; i < boardHeight; i++) {
      this.grid[i] = [];
      for (var j = 0; j < boardWidth; j++) {
        this.grid[i][j] = null;
      }
    }
  };
  this.addTetromino = function (tetromino) {
    // Add tetromino blocks to the board grid
  };
  this.checkLines = function () {
    // Check for complete lines and remove them
  };
  this.isGameOver = function () {
    // Check if new tetromino can't be placed
  };
});
/****
* Initialize Game
****/
var game = new LK.Game({
  backgroundColor: 0x000000 // Init game with black background
});
/****
* Game Code
****/
// Define game constants and variables
var boardWidth = 10;
var boardHeight = 20;
var blockSize = 2048 / boardWidth; // Calculate block size based on viewable area width
var board = game.addChild(new Board());
var currentTetromino;
var nextTetrominoType;
var tetrominoTypes = ['I', 'J', 'L', 'O', 'S', 'T', 'Z'];
var tetrominoLayouts = {
  'I': [[[1, 1, 1, 1]]],
  'J': [[[1, 0, 0], [1, 1, 1]]],
  'L': [[[0, 0, 1], [1, 1, 1]]],
  'O': [[[1, 1], [1, 1]]],
  'S': [[[0, 1, 1], [1, 1, 0]]],
  'T': [[[0, 1, 0], [1, 1, 1]]],
  'Z': [[[1, 1, 0], [0, 1, 1]]]
};
var scoreTxt;
var isGameOver = false;

// Initialize board
board.init();

// Center the board on the screen
board.x = (2048 - boardWidth * blockSize) / 2;
board.y = (2732 - boardHeight * blockSize) / 2;

// Create score display
scoreTxt = new Text2('0', {
  size: 150,
  fill: "#ffffff"
});
scoreTxt.anchor.set(.5, 0);
LK.gui.top.addChild(scoreTxt);

// Function to spawn a new tetromino
function spawnTetromino() {
  var type = nextTetrominoType || tetrominoTypes[Math.floor(Math.random() * tetrominoTypes.length)];
  nextTetrominoType = tetrominoTypes[Math.floor(Math.random() * tetrominoTypes.length)];
  currentTetromino = new Tetromino();
  currentTetromino.create(type);
  currentTetromino.x = board.x + boardWidth / 2 * blockSize - currentTetromino.width / 2;
  currentTetromino.y = board.y;
  game.addChild(currentTetromino);
}

// Start the game with a new tetromino
spawnTetromino();

// Game tick event
LK.on('tick', function () {
  if (isGameOver) {
    LK.effects.flashScreen(0xff0000, 1000);
    LK.showGameOver();
    return;
  }

  // Move current tetromino down
  currentTetromino.move(0, blockSize);

  // Check for collision with board or bottom
  // ...

  // Check for completed lines
  board.checkLines();

  // Check for game over
  if (board.isGameOver()) {
    isGameOver = true;
  }
});

// Touch event listeners for rotating and moving tetromino
game.on('down', function (obj) {
  var touchPos = obj.event.getLocalPosition(game);
  if (touchPos.x < 2048 / 2) {
    // Move tetromino left
    currentTetromino.move(-blockSize, 0);
  } else {
    // Move tetromino right
    currentTetromino.move(blockSize, 0);
  }
});
game.on('up', function (obj) {
  // Rotate tetromino
  currentTetromino.rotate();
});