matrix-quotes-bot/index.js

import * as dotenv from 'dotenv';
import { MatrixClient } from 'matrix-js-sdk';
import fs from 'fs';

dotenv.config();

const client = new MatrixClient({
    accessToken: process.env.MATRIX_ACCESS_TOKEN,
    matrix_homeserver: {
        baseUrl: process.env.MATRIX_HOME_SERVER,
    },
});

function loadQuotes() {
    return new Promise((resolve) => {
        setTimeout(() => {
            const quotesFile = './quotes.json';
            if (fs.existsSync(quotesFile)) {
                try {
                    resolve(JSON.parse(fs.readFileSync(quotesFile, 'utf8')));
                } catch (err) {
                    resolve([]);
                }
            } else {
                resolve([]);
            }
        }, 0);
    });
}

loadQuotes().then((quotes) => {
    if (quotes.length === 0) {
        console.error('No quotes found! Please ensure quotes.json is present.');
        process.exit(1);
    }

    console.log('Bot initialized successfully');
    
    let joinedRooms = new Set();

    client.on('RoomMember#joined', (member) => {
        const room = member.room;
        if (!joinedRooms.has(room.roomId)) {
            joinedRooms.add(room.roomId);
            console.log(`Joined room: ${room.roomId}`);
            
            room.on('EventMessage', async (event) => {
                const messageContent = event.getContent();
                
                if (!messageContent || !messageContent.body) return;
                
                const body = messageContent.body.toLowerCase();
                const botCommand = (process.env.BOT_COMMAND || '!quote').toLowerCase();
                
                if (body.includes(botCommand)) {
                    const randomQuote = quotes[Math.floor(Math.random() * quotes.length)];
                    try {
                        await room.sendMessage(randomQuote);
                        console.log(`Sent quote to ${room.roomId}`);
                    } catch (err) {
                        console.error('Failed to send message:', err.message);
                    }
                }
            });
            
            room.on('RoomMember#left', () => {
                joinedRooms.delete(room.roomId);
                console.log(`Left room: ${room.roomId}`);
            });
        }
    });
}).catch(err => {
    console.error('Failed to load quotes:', err.message);
});