import { ChainId, Token, Fetcher, Route } from "@uniswap/sdk";
import { ethers } from "ethers";
import * as dotenv from "dotenv";
import fetch from "node-fetch";
dotenv.config();

const botToken = process.env.BOT_TOKEN;
const channelName = process.env.TELEGRAM_CHANNEL_NAME;

const TORN = new Token(ChainId.MAINNET, "0x77777FeDdddFfC19Ff86DB637967013e6C6A116C", 18);
const USDT = new Token(ChainId.MAINNET, "0xdAC17F958D2ee523a2206206994597C13D831ec7", 6);
const WETH = new Token(ChainId.MAINNET, "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2", 18);

const provider = new ethers.providers.JsonRpcProvider(process.env.MAINNET_RPC_URL);

async function getPrice(): Promise<string> {
    // Route via WETH, because TORN/USDT pair doesn't have enough liquidity
    const pairTORNWETH = await Fetcher.fetchPairData(TORN, WETH, provider);
    const pairWETHUSDT = await Fetcher.fetchPairData(WETH, USDT, provider);
    const route = new Route([pairTORNWETH, pairWETHUSDT], TORN, USDT);
    return route.midPrice.toSignificant(3);
}

async function sendPriceToChannel(price: string) {
    try {
        await fetch(`https://api.telegram.org/bot${botToken}/sendMessage?chat_id=${channelName}&text=${price}`);
    } catch (error) {}
}

async function main() {
    try {
        const tokenPrice = await getPrice();
        await sendPriceToChannel(tokenPrice);
    } catch (error) {
        console.error(error);
    }

    setTimeout(main, 1000 * 15);
}

main();