345 lines
8.7 KiB
JavaScript
345 lines
8.7 KiB
JavaScript
'use strict';
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const config = require('config');
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const { setTimeout: delay } = require('timers/promises');
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const bhttp = require('bhttp');
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const WebSocket = require('ws');
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const fs = require('fs').promises;
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const logger = require('simple-node-logger').createSimpleLogger();
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const { argv } = require('yargs');
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const instance = process.env.NODE_APP_INSTANCE || 'main';
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const points = {};
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logger.setLevel(argv.level || 'info');
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async function auth() {
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const httpSession = bhttp.session();
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const username = config.uniqueUsername ? `${config.user.username}-${new Date().getTime().toString().slice(-5)}` : config.user.username;
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const res = await httpSession.post(`${config.api}/session`, {
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...config.user,
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username,
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}, {
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encodeJSON: true,
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});
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if (res.statusCode !== 200) {
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throw new Error(`Failed to authenticate: ${res.body.toString()}`);
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}
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logger.info(`Authenticated as '${username}' with ${config.api}`);
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return {
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user: res.body,
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httpSession,
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sessionCookie: res.headers['set-cookie'][0],
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};
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}
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async function getWsId(httpSession) {
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const res = await httpSession.get(`${config.api}/socket`);
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if (res.statusCode !== 200) {
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throw new Error(`Failed to retrieve WebSocket ID: ${res.body.toString()}`);
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}
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return res.body;
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}
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async function setPoints(defaultKey, user, value, { mode = 'add', key } = {}) {
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const gameKey = key || defaultKey;
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if (!user) {
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logger.warn(`Failed to set ${gameKey} points for missing user`);
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return;
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}
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const userKey = `${user.id}:${user.username}`;
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if (!points[gameKey]) {
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points[gameKey] = {};
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}
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if (mode === 'add') {
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points[gameKey][userKey] = (points[gameKey][userKey] || 0) + value;
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}
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if (mode === 'set') {
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points[gameKey][userKey] = value;
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}
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await fs.writeFile(`./points-${instance}.json`, JSON.stringify(points, null, 4));
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}
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function getPoints(game, rawUsername, { user, room, command }) {
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const username = rawUsername?.replace(/^@/, '');
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const gamePoints = points[command] || points[game.key];
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const userPoints = username
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? Object.entries(gamePoints || {}).find(([identifier]) => identifier.split(':')[1] === username)?.[1]
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: gamePoints?.[`${user?.id}:${user?.username}`];
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game.sendMessage(`${username ? `**${username}** has` : 'You have'} scored **${userPoints || 0}** points in ${game.name}, @${user.username}`, room.id);
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}
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function getLeaderboard(game, { user, room, command }) {
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const leaderboard = points[command] || points[game.key];
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if (!leaderboard || Object.keys(leaderboard).length === 0) {
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game.sendMessage(`No points scored in ${game.name} yet!`, room.id);
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return;
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}
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const curatedLeaderboard = Object.entries(leaderboard)
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.sort(([, scoreA], [, scoreB]) => scoreB - scoreA)
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.map(([userKey, score]) => {
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const username = userKey.split(':')[1];
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return `**${username === user.username ? '@' : ''}${username}** at **${score}** points`;
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})
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.slice(0, 10)
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.join(', ');
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game.sendMessage(`The top ${Math.min(Object.keys(leaderboard).length, 10)} *${game.name}* players are: ${curatedLeaderboard}`, room.id);
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}
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function onConnect(data, bot) {
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bot.socket.transmit('joinRooms', { rooms: config.channels });
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}
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function onRooms({ rooms, users }, bot) {
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console.log('rooms', rooms);
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logger.info(`Joined ${rooms.map((room) => room.name).join(', ')}`);
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/* eslint-disable no-param-reassign */
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bot.rooms = rooms.reduce((acc, room) => ({ ...acc, [room.id]: room }), {});
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bot.users = { ...bot.users, ...users };
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/* eslint-enable no-param-reassign */
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rooms.forEach((room) => {
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bot.socket.transmit('message', {
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roomId: room.id,
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body: `Hi, I am ${config.user.username}, your game host!`,
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style: config.style,
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});
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});
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}
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/* eslint-disable no-param-reassign */
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function onJoin(data, bot) {
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if (bot.rooms[data.roomId] && !bot.rooms[data.roomId].userIds?.includes(data.user.id)) {
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bot.users[data.user.id] = data.user;
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bot.rooms[data.roomId].userIds.push(data.user.id);
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}
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}
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function onLeave(data, bot) {
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if (bot.rooms[data.roomId]) {
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bot.rooms[data.roomId].userIds = bot.rooms[data.roomId].userIds.filter((userId) => userId !== data.userId);
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}
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}
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function onMessage(message, bot, games) {
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const body = message.originalBody || message.body;
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const [, command, subcommand] = body?.match(new RegExp(`^${config.prefix}(\\w+)(?:\\:(\\w+))?`)) || [];
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const user = bot.users[message.userId] || message.user;
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const room = bot.rooms[message.roomId];
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if (command) {
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const args = body.split(/\s+/).slice(1);
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const game = games[command];
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if (['leaderboard', 'lead', 'leader', 'leaders', 'scoreboard', 'best'].includes(subcommand) && games[command]) {
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getLeaderboard(games[command], { user, room, command });
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return;
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}
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if (['points', 'score'].includes(subcommand) && games[command]) {
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getPoints(games[command], args[0], { user, room, command });
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return;
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}
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if (game && game.onCommand) {
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if (user) {
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user.points = points[game.key]?.[`${user.id}:${user.username}`] || 0;
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}
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game.onCommand(args, {
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...game,
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command,
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subcommand,
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bot,
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message,
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user,
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room,
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points: points[game.key] || {},
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logger,
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});
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}
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}
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Object.values(games).forEach((game) => game.onMessage?.(message, {
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...game,
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bot,
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message,
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user: user && {
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...user,
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points: points[game.key]?.[`${user.id}:${user.username}`] || 0,
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},
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room,
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logger,
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}));
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}
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const messageHandlers = {
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connect: onConnect,
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rooms: onRooms,
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message: onMessage,
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join: onJoin,
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leave: onLeave,
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};
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async function initPoints() {
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try {
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const pointsFile = await fs.readFile(`./points-${instance}.json`, 'utf-8');
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Object.assign(points, JSON.parse(pointsFile));
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} catch (error) {
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if (error.code === 'ENOENT') {
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logger.info('Creating new points file');
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await fs.writeFile(`./points-${instance}.json`, '{}');
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initPoints();
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}
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}
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}
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function getGames(bot) {
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const games = config.games.reduce((acc, key) => {
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const game = require(`./games/${key.game || key}`); // eslint-disable-line global-require, import/no-dynamic-require
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const sendMessage = (body, roomId, options, recipient) => {
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bot.socket.transmit('message', {
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roomId,
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recipient,
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type: recipient ? 'whisper' : 'message',
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body: options?.label === false ? body : `[${game.name || key}] ${body}`,
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style: config.style,
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});
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};
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const setGamePoints = (userId, score, options) => setPoints(key, userId, score, options);
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const curatedGame = {
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...game,
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...(key.game && key),
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name: game.name || key,
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key,
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sendMessage,
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setPoints: setGamePoints,
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};
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if (game.onStart) {
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game.onStart({ ...curatedGame, bot });
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}
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return {
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...acc,
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[key]: curatedGame,
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...game.commands?.reduce((commandAcc, command) => ({ ...commandAcc, [command]: curatedGame }), {}),
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};
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}, {});
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return games;
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}
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function handleError(error, socket, domain, data) {
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logger.error(`${domain} '${JSON.stringify(data)}' triggered error: ${error.message} ${error.stack}`);
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if (data?.roomId) {
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socket.transmit('message', {
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body: ':zap::robot::zap: Many fragments! Some large, some small.',
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type: 'message',
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roomId: data.roomId,
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});
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}
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}
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async function connect(bot, games) {
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const socket = { ws: { readyState: 0 } };
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socket.connect = async () => {
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try {
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const { user, httpSession, sessionCookie } = await auth();
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const wsCreds = await getWsId(httpSession);
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bot.user = user;
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bot.httpSession = httpSession;
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logger.info(`Attempting to connect to ${config.socket}`);
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socket.ws = new WebSocket(`${config.socket}?${new URLSearchParams({ v: wsCreds.wsId, t: wsCreds.timestamp }).toString()}`, [], {
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headers: {
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cookie: sessionCookie,
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},
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});
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socket.ws.on('message', async (msg) => {
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const [domain, data] = JSON.parse(msg);
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logger.debug(`Received ${domain}: ${JSON.stringify(data)}`);
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if (messageHandlers[domain]) {
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try {
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await messageHandlers[domain](data, bot, games);
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} catch (error) {
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handleError(error, socket, domain, data);
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}
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}
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});
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socket.ws.on('close', async (info) => {
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logger.error(`WebSocket closed, reconnecting in ${config.reconnectDelay} seconds: ${info}`);
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await delay(config.reconnectDelay * 1000);
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socket.connect();
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});
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socket.ws.on('error', async (error) => {
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logger.error(`WebSocket error: ${error.message}`);
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});
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logger.info(`Connected to ${config.socket}`);
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} catch (error) {
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logger.error(`Failed to connect, retrying in ${config.reconnectDelay} seconds: ${error.message}`);
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await delay(config.reconnectDelay * 1000);
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socket.connect();
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}
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};
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socket.transmit = (domain, data) => {
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socket.ws.send(JSON.stringify([domain, data]));
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};
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socket.connect();
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return socket;
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}
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async function init() {
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const bot = {
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rooms: [],
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users: [],
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};
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const games = getGames(bot);
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bot.socket = await connect(bot, games);
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await initPoints();
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}
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init();
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