Visual edit in Lovable
Edited UI in Lovable
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gpt-engineer-app[bot]
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commit
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1 changed files with 42 additions and 133 deletions
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@ -6,32 +6,25 @@ import { RefreshCw, RotateCcw, ExternalLink, ArrowLeft } from "lucide-react";
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import { toast } from "sonner";
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import SocialShare from "@/components/SocialShare";
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import { useSearchParams, useNavigate } from "react-router-dom";
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type Piece = 'white' | 'black' | null;
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type Position = { row: number; col: number };
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type Position = {
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row: number;
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col: number;
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};
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interface KnightsPuzzleProps {
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showSocialShare?: boolean;
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}
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const KnightsPuzzle = ({ showSocialShare = false }: KnightsPuzzleProps) => {
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const KnightsPuzzle = ({
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showSocialShare = false
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}: KnightsPuzzleProps) => {
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const [searchParams] = useSearchParams();
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const navigate = useNavigate();
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const isFromPuzzles = searchParams.get('from') === 'puzzles';
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// Initial state: white knights at top corners, black knights at bottom corners
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const initialBoard: Piece[][] = [
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['white', null, 'white'],
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[null, null, null],
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['black', null, 'black']
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];
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const initialBoard: Piece[][] = [['white', null, 'white'], [null, null, null], ['black', null, 'black']];
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// Target state: black knights at top corners, white knights at bottom corners
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const targetBoard: Piece[][] = [
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['black', null, 'black'],
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[null, null, null],
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['white', null, 'white']
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];
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const targetBoard: Piece[][] = [['black', null, 'black'], [null, null, null], ['white', null, 'white']];
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const [board, setBoard] = useState<Piece[][]>(initialBoard);
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const [selectedSquare, setSelectedSquare] = useState<Position | null>(null);
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const [moveCount, setMoveCount] = useState(0);
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@ -39,37 +32,29 @@ const KnightsPuzzle = ({ showSocialShare = false }: KnightsPuzzleProps) => {
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const [moveHistory, setMoveHistory] = useState<Position[][]>([]);
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// Knight move offsets
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const knightMoves = [
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[-2, -1], [-2, 1], [-1, -2], [-1, 2],
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[1, -2], [1, 2], [2, -1], [2, 1]
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];
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const knightMoves = [[-2, -1], [-2, 1], [-1, -2], [-1, 2], [1, -2], [1, 2], [2, -1], [2, 1]];
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const isValidPosition = (row: number, col: number): boolean => {
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return row >= 0 && row < 3 && col >= 0 && col < 3;
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};
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const getValidMoves = (fromRow: number, fromCol: number): Position[] => {
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const validMoves: Position[] = [];
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knightMoves.forEach(([dRow, dCol]) => {
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const newRow = fromRow + dRow;
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const newCol = fromCol + dCol;
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if (isValidPosition(newRow, newCol) && board[newRow][newCol] === null) {
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validMoves.push({ row: newRow, col: newCol });
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validMoves.push({
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row: newRow,
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col: newCol
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});
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}
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});
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return validMoves;
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};
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const isValidMove = (from: Position, to: Position): boolean => {
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const rowDiff = Math.abs(from.row - to.row);
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const colDiff = Math.abs(from.col - to.col);
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return (rowDiff === 2 && colDiff === 1) || (rowDiff === 1 && colDiff === 2);
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return rowDiff === 2 && colDiff === 1 || rowDiff === 1 && colDiff === 2;
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};
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const checkWinCondition = (currentBoard: Piece[][]): boolean => {
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for (let row = 0; row < 3; row++) {
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for (let col = 0; col < 3; col++) {
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@ -80,13 +65,14 @@ const KnightsPuzzle = ({ showSocialShare = false }: KnightsPuzzleProps) => {
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}
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return true;
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};
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const handleSquareClick = (row: number, col: number) => {
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const piece = board[row][col];
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if (selectedSquare) {
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const from = selectedSquare;
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const to = { row, col };
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const to = {
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row,
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col
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};
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// If clicking on the same square, deselect
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if (from.row === to.row && from.col === to.col) {
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@ -100,7 +86,6 @@ const KnightsPuzzle = ({ showSocialShare = false }: KnightsPuzzleProps) => {
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const movingPiece = newBoard[from.row][from.col];
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newBoard[from.row][from.col] = null;
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newBoard[to.row][to.col] = movingPiece;
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setBoard(newBoard);
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setMoveCount(moveCount + 1);
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setMoveHistory([...moveHistory, [from, to]]);
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@ -113,16 +98,21 @@ const KnightsPuzzle = ({ showSocialShare = false }: KnightsPuzzleProps) => {
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}
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} else if (piece !== null) {
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// Select a different piece
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setSelectedSquare({ row, col });
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setSelectedSquare({
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row,
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col
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});
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} else {
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setSelectedSquare(null);
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}
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} else if (piece !== null) {
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// Select a piece
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setSelectedSquare({ row, col });
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setSelectedSquare({
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row,
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col
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});
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}
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};
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const resetPuzzle = () => {
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setBoard(initialBoard);
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setSelectedSquare(null);
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@ -130,42 +120,33 @@ const KnightsPuzzle = ({ showSocialShare = false }: KnightsPuzzleProps) => {
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setIsComplete(false);
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setMoveHistory([]);
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};
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const undoLastMove = () => {
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if (moveHistory.length === 0) return;
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const lastMove = moveHistory[moveHistory.length - 1];
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const [from, to] = lastMove;
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const newBoard = board.map(r => [...r]);
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const movingPiece = newBoard[to.row][to.col];
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newBoard[to.row][to.col] = null;
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newBoard[from.row][from.col] = movingPiece;
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setBoard(newBoard);
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setMoveCount(moveCount - 1);
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setMoveHistory(moveHistory.slice(0, -1));
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setSelectedSquare(null);
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setIsComplete(false);
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};
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const getSquareClass = (row: number, col: number): string => {
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const baseClass = "w-16 h-16 border-2 border-outline flex items-center justify-center cursor-pointer transition-all duration-200";
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const isSelected = selectedSquare?.row === row && selectedSquare?.col === col;
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const validMoves = selectedSquare ? getValidMoves(selectedSquare.row, selectedSquare.col) : [];
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const isValidMoveTarget = validMoves.some(move => move.row === row && move.col === col);
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let bgClass = (row + col) % 2 === 0 ? "bg-surface" : "bg-surface-variant";
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if (isSelected) {
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bgClass = "bg-accent";
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} else if (isValidMoveTarget) {
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bgClass = "bg-accent/30 ring-2 ring-accent";
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}
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return `${baseClass} ${bgClass}`;
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};
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const renderPiece = (piece: Piece) => {
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if (piece === 'white') {
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return <span className="text-4xl">♘</span>;
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@ -174,21 +155,14 @@ const KnightsPuzzle = ({ showSocialShare = false }: KnightsPuzzleProps) => {
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}
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return null;
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};
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return (
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<div className="max-w-4xl mx-auto p-6 space-y-6">
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return <div className="max-w-4xl mx-auto p-6 space-y-6">
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{/* Back to Puzzles button - only show when coming from puzzles */}
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{isFromPuzzles && (
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<div className="flex items-center gap-4">
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<button
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onClick={() => navigate('/themes/puzzles')}
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className="text-primary hover:text-primary/80 font-medium flex items-center gap-2"
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>
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{isFromPuzzles && <div className="flex items-center gap-4">
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<button onClick={() => navigate('/themes/puzzles')} className="text-primary hover:text-primary/80 font-medium flex items-center gap-2">
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<ArrowLeft className="w-4 h-4" />
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Go back to Puzzles
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</button>
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</div>
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)}
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</div>}
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{/* Green: Title and Description - Centered */}
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<div className="space-y-2 text-center">
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@ -214,17 +188,9 @@ const KnightsPuzzle = ({ showSocialShare = false }: KnightsPuzzleProps) => {
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<CardContent className="pt-6">
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<div className="flex flex-col items-center gap-4">
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<div className="grid grid-cols-3 gap-1 border-2 border-outline rounded-lg p-4 bg-background">
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{board.map((row, rowIndex) =>
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row.map((piece, colIndex) => (
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<div
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key={`${rowIndex}-${colIndex}`}
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className={getSquareClass(rowIndex, colIndex)}
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onClick={() => handleSquareClick(rowIndex, colIndex)}
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>
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{board.map((row, rowIndex) => row.map((piece, colIndex) => <div key={`${rowIndex}-${colIndex}`} className={getSquareClass(rowIndex, colIndex)} onClick={() => handleSquareClick(rowIndex, colIndex)}>
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{renderPiece(piece)}
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</div>
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))
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)}
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</div>))}
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</div>
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{/* Controls */}
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@ -233,12 +199,7 @@ const KnightsPuzzle = ({ showSocialShare = false }: KnightsPuzzleProps) => {
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<RefreshCw className="w-4 h-4 mr-2" />
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Reset
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</Button>
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<Button
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onClick={undoLastMove}
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variant="outline"
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size="sm"
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disabled={moveHistory.length === 0}
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>
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<Button onClick={undoLastMove} variant="outline" size="sm" disabled={moveHistory.length === 0}>
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<RotateCcw className="w-4 h-4 mr-2" />
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Undo
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</Button>
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@ -249,49 +210,9 @@ const KnightsPuzzle = ({ showSocialShare = false }: KnightsPuzzleProps) => {
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{/* Purple: Initial and Target positions side by side */}
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<div className="grid grid-cols-2 gap-6">
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<Card className="bg-blue-50/50 border-blue-200 relative overflow-hidden">
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<div className="absolute top-0 right-0 bg-blue-500 text-white text-xs px-3 py-1 transform rotate-12 translate-x-2 -translate-y-1 shadow-sm">
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Initial
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</div>
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<CardContent className="pt-6">
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<div className="grid grid-cols-3 gap-1 w-24 h-24 border border-outline rounded mx-auto">
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{initialBoard.map((row, rowIndex) =>
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row.map((piece, colIndex) => (
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<div
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key={`init-${rowIndex}-${colIndex}`}
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className={`flex items-center justify-center text-xs ${
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(rowIndex + colIndex) % 2 === 0 ? "bg-surface" : "bg-surface-variant"
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}`}
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>
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{piece === 'white' ? '♘' : piece === 'black' ? '♞' : ''}
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</div>
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))
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)}
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</div>
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</CardContent>
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</Card>
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<Card className="bg-secondary/20 border-secondary">
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<CardHeader className="pb-3">
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<CardTitle className="text-lg">Target Position</CardTitle>
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</CardHeader>
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<CardContent>
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<div className="grid grid-cols-3 gap-1 w-24 h-24 border border-outline rounded mx-auto">
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{targetBoard.map((row, rowIndex) =>
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row.map((piece, colIndex) => (
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<div
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key={`target-${rowIndex}-${colIndex}`}
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className={`flex items-center justify-center text-xs ${
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(rowIndex + colIndex) % 2 === 0 ? "bg-surface" : "bg-surface-variant"
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}`}
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>
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{piece === 'white' ? '♘' : piece === 'black' ? '♞' : ''}
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</div>
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))
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)}
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</div>
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</CardContent>
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</Card>
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</div>
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{/* Red: Game rules */}
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@ -314,12 +235,7 @@ const KnightsPuzzle = ({ showSocialShare = false }: KnightsPuzzleProps) => {
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<div className="pt-4 border-t border-outline">
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<p className="text-xs text-muted-foreground">
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Puzzle source:{" "}
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<a
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href="https://bsky.app/profile/neuwirthe.bsky.social/post/3luhmc7gilc2x"
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target="_blank"
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rel="noopener noreferrer"
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className="text-accent hover:underline inline-flex items-center gap-1"
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>
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<a href="https://bsky.app/profile/neuwirthe.bsky.social/post/3luhmc7gilc2x" target="_blank" rel="noopener noreferrer" className="text-accent hover:underline inline-flex items-center gap-1">
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@neuwirthe.bsky.social
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<ExternalLink className="w-3 h-3" />
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</a>
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@ -327,14 +243,7 @@ const KnightsPuzzle = ({ showSocialShare = false }: KnightsPuzzleProps) => {
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</div>
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{/* Social Share Section */}
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{showSocialShare && (
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<SocialShare
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title="Knights Exchange Puzzle"
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description="Can the black and white knights swap places using legal chess moves? Try this classic puzzle!"
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/>
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)}
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</div>
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);
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{showSocialShare && <SocialShare title="Knights Exchange Puzzle" description="Can the black and white knights swap places using legal chess moves? Try this classic puzzle!" />}
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</div>;
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};
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export default KnightsPuzzle;
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