const DisplayWorker = require("./displayWorker.js")

const HilSu = require("hilsu-api");
const Telegraf = require("telegraf");

const namesMap = {
    gems: "Самоцветы",
    money: "Самородки",
    balance: "Червонцы"
}

let exchangeClient = new HilSu.ExchangeClient(process.env.HILTOKEN, {inf_reconnect:true});
let bot = new Telegraf(process.env.BOTTOKEN);

exchangeClient.on("ratesUpdate", (rates, oldRates) => {
    if (oldRates === undefined)
        return;

    handleChange(rates, oldRates)
});

function handleChange(rates, oldRates) {
    let message = new DisplayWorker("Обновление курса")

    for (let rate of rates.rates) {
        let old = oldRates.rates.find(r => r.to === rate.to && r.from === rate.from);

        message.addFollowing(
            namesMap[rate.from],
            namesMap[rate.to],
            rate.value,
            old.value
        )
    }

    message.setFooter(
        `Пул валют:\n Червонцы: ${rates.maxExchange.balance.toFixed(3)}\n Салоцветы: ${rates.maxExchange.gems.toFixed(3)}\n Самородки: ${rates.maxExchange.money.toFixed(3)}`
    )

    if(message.isSomethingChanged()) {
        bot.telegram.sendMessage("-765759105", message.build(), Telegraf.Extra.markup(m => m.inlineKeyboard([Telegraf.Markup.urlButton("Биржа","https://hil.su/exchange")])));
    }
}

bot.startPolling();
exchangeClient.connect();