import 'dotenv/config.js';
import { GasPrices } from '../types/gasPrices'
const Web3 = require('web3');

const rpcUrl = process.env.RPC_URL || 'ws://localhost:8545';

// Create a new web3 instance
const web3 = new Web3(rpcUrl);

// Get the current gas price in gwei
const getGasPricesInGwei = async (): Promise<GasPrices> => {
  const gweiFromWei = (priceInWei: string): number =>
    Number(web3.utils.fromWei(priceInWei, 'gwei').toFixed(2));

    try {
      const [fastPrice, averagePrice, slowPrice] = await Promise.all([
        web3.eth.getGasPrice(),
        web3.eth.getGasPrice('average'),
        web3.eth.getGasPrice('slow'),
      ]);

      const gasPrices = {
        fast: gweiFromWei(fastPrice),
        average: gweiFromWei(averagePrice),
        slow: gweiFromWei(slowPrice),
      };

      return Promise.resolve(gasPrices);
      // await redisClient.set('gas-prices', JSON.stringify(gasPrices));
    } catch (error) {
      console.error(`Error fetching gas prices: ${error}`);
      return Promise.reject(error);
    }
};

// Export the getCurrentGasPrice function
export { getGasPricesInGwei };