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import express from 'express';
import {
BotMoveRequest,
BotMoveAttempt,
BotMoveResponse,
} from './Chessh';
import axios from 'axios';
import { aiMove } from 'js-chess-engine';
const router = express.Router();
const chesshMovePath = (gameId: number) =>
(process.env.CHESSH_MOVE_PATH as unknown as string).replace(
':gameId',
gameId.toString(),
);
const sendNextMove = (gameId: number, move: string): Promise<BotMoveResponse> =>
axios
.post(chesshMovePath(gameId), {
token: process.env.BOT_TOKEN as unknown as string,
attempted_move: move.toLowerCase(),
} as BotMoveAttempt)
.then((r): BotMoveResponse => {
const body = r.data as BotMoveResponse;
if (r.status === 200) {
return body;
}
throw new Error(
'Move request unsuccessful, got back from cheSSH: ' +
JSON.stringify(body),
);
});
router.post<BotMoveRequest, string>('/move', async (req, res) => {
const updateMessages: BotMoveRequest[] = Array.isArray(req.body)
? req.body
: [req.body];
for (const update of updateMessages) {
if (update.bot_turn) {
const move = aiMove(update.fen, 3);
const moveFrom = Object.keys(move)[0];
const moveTo = move[moveFrom];
await sendNextMove(update.game_id, moveFrom + moveTo);
}
}
res.status(200).send('OK');
});
export default router;
|
