ChessAgine MCP

"use server"; import { BLACK, QUEEN, KING, validateFen, WHITE, Chess } from "chess.js"; import { BoardState, SideStateScores } from "../types/types.js"; import { getGamePhase } from "../themes/gamePhase.js"; import { getMaterialInfo } from "../themes/material.js"; import { getSidePositionalCount } from "../themes/positional.js"; import { getSideAttackerDefenderInfo } from "../themes/attackerDefender.js"; import { getPiecePlacement } from "../themes/piecePlacement.js"; import { getSideSpaceControl } from "../themes/spaceControl.js"; import { getSideSquareControl } from "../themes/sqaureControl.js"; import { getKingSafety } from "../themes/kingSafety.js"; import { getPieceMobility } from "../themes/pieceMobility.js"; export function calculateDeep( fen: string, move: string ): BoardState | undefined { const chess = new Chess(fen); chess.move(move); return getBoardState(chess.fen()); } export function getBoardState(fen: string): BoardState { const chess = new Chess(fen); const validfen = validateFen(fen).ok; if (!validfen) { return {} as BoardState; } const whitecastlerights = { queenside: chess.getCastlingRights(WHITE)[QUEEN], kingside: chess.getCastlingRights(WHITE)[KING], }; const blackcastlerights = { queenside: chess.getCastlingRights(BLACK)[QUEEN], kingside: chess.getCastlingRights(BLACK)[KING], }; const legalMoves = chess.moves(); const isCheckmate = chess.isCheckmate(); const isStalemate = chess.isStalemate(); const isGameOver = chess.isGameOver(); const moveNumber = chess.moveNumber(); const sidetomove = chess.turn() === "w" ? "white" : "black"; const gamePhase = getGamePhase(chess); const whiteScores: SideStateScores = { castlingScore: whitecastlerights, materialScore: getMaterialInfo(chess, WHITE), spaceScore: getSideSpaceControl(chess, WHITE), pieceplacementScore: getPiecePlacement(chess, WHITE), positionalScore: getSidePositionalCount(chess, WHITE), squareControlScore: getSideSquareControl(chess, WHITE), kingSafetyScore: getKingSafety(chess, WHITE), pieceMobilityScore: getPieceMobility(fen, WHITE), }; const blackScores: SideStateScores = { castlingScore: blackcastlerights, materialScore: getMaterialInfo(chess, BLACK), spaceScore: getSideSpaceControl(chess, BLACK), pieceplacementScore: getPiecePlacement(chess, BLACK), positionalScore: getSidePositionalCount(chess, BLACK), squareControlScore: getSideSquareControl(chess, BLACK), kingSafetyScore: getKingSafety(chess, BLACK), pieceMobilityScore: getPieceMobility(fen, BLACK), }; return { fen, validfen, legalMoves, white: whiteScores, black: blackScores, whitepieceattackerdefenderinfo: getSideAttackerDefenderInfo(chess, WHITE), blackpieceattackerdefenderinfo: getSideAttackerDefenderInfo(chess, BLACK), isCheckmate, isStalemate, isGameOver, moveNumber, sidetomove, gamePhase, }; }