/****
* Classes
****/
//<Assets used in the game will automatically appear here>
// PuzzlePiece class to represent each piece of the puzzle
var PuzzlePiece = Container.expand(function () {
  var self = Container.call(this);
  var pieceGraphics = self.attachAsset('puzzlePiece', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.correctPosition = {
    x: 0,
    y: 0
  }; // Store the correct position for the piece
  self.setPosition = function (x, y) {
    self.x = x;
    self.y = y;
  };
  self.isInCorrectPosition = function () {
    return self.x === self.correctPosition.x && self.y === self.correctPosition.y;
  };
});

/****
* Initialize Game
****/
var game = new LK.Game({
  backgroundColor: 0x000000 //Init game with black background 
});

/****
* Game Code
****/
// Initialize puzzle pieces
var puzzlePieces = [];
var pieceSize = 200; // Size of each puzzle piece
var gridSize = 3; // 3x3 grid for the puzzle
var offsetX = (2048 - gridSize * pieceSize) / 2; // Center the puzzle horizontally
var offsetY = (2732 - gridSize * pieceSize) / 2; // Center the puzzle vertically
// Create puzzle pieces and set their initial positions
for (var i = 0; i < gridSize; i++) {
  for (var j = 0; j < gridSize; j++) {
    var piece = new PuzzlePiece();
    piece.correctPosition.x = offsetX + j * pieceSize;
    piece.correctPosition.y = offsetY + i * pieceSize;
    piece.setPosition(piece.correctPosition.x, piece.correctPosition.y);
    puzzlePieces.push(piece);
    game.addChild(piece);
  }
}
// Shuffle the puzzle pieces
function shufflePieces() {
  for (var i = puzzlePieces.length - 1; i > 0; i--) {
    var j = Math.floor(Math.random() * (i + 1));
    var temp = puzzlePieces[i];
    puzzlePieces[i] = puzzlePieces[j];
    puzzlePieces[j] = temp;
  }
  // Set shuffled positions
  for (var k = 0; k < puzzlePieces.length; k++) {
    var x = offsetX + k % gridSize * pieceSize;
    var y = offsetY + Math.floor(k / gridSize) * pieceSize;
    puzzlePieces[k].setPosition(x, y);
  }
}
// Check if the puzzle is solved
function checkPuzzleSolved() {
  for (var i = 0; i < puzzlePieces.length; i++) {
    if (!puzzlePieces[i].isInCorrectPosition()) {
      return false;
    }
  }
  return true;
}
// Handle piece dragging
var selectedPiece = null;
game.down = function (x, y, obj) {
  for (var i = 0; i < puzzlePieces.length; i++) {
    if (puzzlePieces[i].containsPoint({
      x: x,
      y: y
    })) {
      selectedPiece = puzzlePieces[i];
      break;
    }
  }
};
game.move = function (x, y, obj) {
  if (selectedPiece) {
    selectedPiece.setPosition(x, y);
  }
};
game.up = function (x, y, obj) {
  if (selectedPiece) {
    // Snap to grid
    var snappedX = Math.round((selectedPiece.x - offsetX) / pieceSize) * pieceSize + offsetX;
    var snappedY = Math.round((selectedPiece.y - offsetY) / pieceSize) * pieceSize + offsetY;
    selectedPiece.setPosition(snappedX, snappedY);
    // Check if the puzzle is solved
    if (checkPuzzleSolved()) {
      console.log("Puzzle Solved!");
      // Optionally, show a message or trigger a game over screen
    }
    selectedPiece = null;
  }
};
// Shuffle pieces at the start
shufflePieces();