import TelegramBot from 'node-telegram-bot-api';
import debug from 'debug';
var log = debug('durov');
import config from 'config';


import { formatQuote, formatTitle } from './common/MessageUtils';
import { format } from '../src/utils/embed';

const bot_token = config.get('service.durov.token');

const sender = new TelegramBot(bot_token);
const demouser = config.get('service.durov.demouser');
sender.setWebHook(`${config.get('service.baseURL')}/api/${bot_token}`).then(() => {
    log('Webhook is set');
}).catch(console.log);

sender.on('message', msg => {
    log(`MESSAGE: ${JSON.stringify(msg)}`);
});

export const webhook = (req, res) => {
    sender.processUpdate(JSON.parse(req.body));
    res.sendStatus(200);
};

/**
 * @param {import('../src/api').Message} msg
 * @param {string[]} subscribers
 */
export const sendTelegramNotification = (msg, subscribers) => {
    log(`Telegram event: ${JSON.stringify(msg)}, ${subscribers} ${subscribers.length}`);
    if (!msg.service) {
        if (subscribers && subscribers.includes(demouser)) {
            const message = `${formatTitle(msg)}\n${formatQuote(msg)}\n${format(msg.body, msg.uid, false)}`;
            log(message);
            sender.sendMessage(demouser, message, {
                parse_mode: 'HTML',
                disable_web_page_preview: true
            }).then(log).catch(log);
        }
    }
};