74 lines
2.2 KiB
TypeScript
74 lines
2.2 KiB
TypeScript
import LoadGameButton from "../../loadGame/loadGameButton";
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import { useCallback, useEffect } from "react";
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import { useChessActions } from "@/hooks/useChessActions";
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import {
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boardAtom,
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boardOrientationAtom,
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evaluationProgressAtom,
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gameAtom,
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gameEvalAtom,
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} from "../states";
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import { useGameDatabase } from "@/hooks/useGameDatabase";
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import { useAtomValue, useSetAtom } from "jotai";
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import { Chess } from "chess.js";
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import { useRouter } from "next/router";
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import { getStartingFen } from "@/lib/chess";
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export default function LoadGame() {
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const router = useRouter();
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const game = useAtomValue(gameAtom);
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const { setPgn: setGamePgn } = useChessActions(gameAtom);
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const { reset: resetBoard } = useChessActions(boardAtom);
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const { gameFromUrl } = useGameDatabase();
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const setEval = useSetAtom(gameEvalAtom);
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const setBoardOrientation = useSetAtom(boardOrientationAtom);
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const evaluationProgress = useAtomValue(evaluationProgressAtom);
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const resetAndSetGamePgn = useCallback(
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(pgn: string) => {
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resetBoard({ fen: getStartingFen({ pgn }) });
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setEval(undefined);
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setGamePgn(pgn);
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},
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[resetBoard, setGamePgn, setEval]
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);
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useEffect(() => {
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const loadGame = async () => {
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if (!gameFromUrl) return;
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const gamefromDbChess = new Chess();
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gamefromDbChess.loadPgn(gameFromUrl.pgn);
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if (game.history().join() === gamefromDbChess.history().join()) return;
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resetAndSetGamePgn(gameFromUrl.pgn);
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setEval(gameFromUrl.eval);
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setBoardOrientation(
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gameFromUrl.black.name === "You" && gameFromUrl.site === "Chesskit.org"
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? false
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: true
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);
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};
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loadGame();
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}, [gameFromUrl, game, resetAndSetGamePgn, setEval, setBoardOrientation]);
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const isGameLoaded =
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gameFromUrl !== undefined ||
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(!!game.getHeaders().White && game.getHeaders().White !== "?") ||
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game.history().length > 0;
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if (evaluationProgress) return null;
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return (
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<LoadGameButton
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label={isGameLoaded ? "Load another game" : "Load game"}
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size="small"
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setGame={async (game) => {
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await router.push("/");
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resetAndSetGamePgn(game.pgn());
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}}
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/>
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);
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}
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