brainlet/libbrainlet/bridgebot.js

const Client = require('./index');
const secret = require('./bridgebotsecret');

const fetch = require('node-fetch');
const Discord = require('discord.js');

const LISTEN_ON = '5fce94aa37c98b23bcd140a0';
const DISCORD_LISTEN_ON = '785494888766373909';

const PREFIX = '::';
const ADMIN_ID = '5fc828ea4e96e00725c17fd7';

let discordWebhook;

const main = async () => {
    const client = new Client('http://localhost:3000', {
        throwErrors: true
    });
    const discord = new Discord.Client();

    const res = await fetch(`${client.url}/api/v1/users/token/create`, {
        method: 'POST',
        headers: {
            'Accept': 'application/json',
            'Content-Type': 'application/json'
        },
        body: JSON.stringify({
            username: secret.brainlet.user.username,
            password: secret.brainlet.user.password
        })
    });

    const json = await res.json();

    if (!res.ok || json.error) throw new Error('Failed to generate token from API endpoint');

    await client.setToken(json.token);
    await client.gatewayConnect();
    
    client.gateway.on('connect', () => {
        discord.on('ready', async () => {
            const channel = discord.channels.cache.get(DISCORD_LISTEN_ON);
            const webhooks = await channel.fetchWebhooks();
            discordWebhook = webhooks.first();

            if (!discordWebhook) throw new Error('No webhook in selected channel');

            console.log(`[*] [DISCORD] Logged in as ${discord.user.tag}!`);
        });

        discord.login(secret.discord.token);

        const category = client.gateway.subscribeToCategoryChat(LISTEN_ON);

        discord.on('message', (e) => {
            if (e.webhookID) return;
            if (e.author.bot) return;

            client.gateway.sendMessage(LISTEN_ON, e.content, {
                nickAuthor: { username: e.author.username }
            });
        });

        client.gateway.on('message', async (e) => {
            if (e.author._id === client.user._id) return;

            e.content = e.content.replaceAll('@', '');

            await discordWebhook.send(e.content, {
                username: e.author.username
            });
        });
    });
};

main();