import { JsonRpcProvider, WebSocketProvider } from "ethers";
import { ETHEREUM_NETWORK } from "../constants/constants";

const isLocal = false;

const INFURA_API = process.env.EXPO_PUBLIC_INFURA_API!;
const INFURA_API_SECRET_KEY = process.env.EXPO_PUBLIC_INFURA_API_SECRET_KEY!;
const NETWORK = process.env.EXPO_PUBLIC_NETWORK!;
const ETHERSCAN_API_KEY = process.env.EXPO_PUBLIC_ETHERSCAN_API_KEY!;
const requiredVars = [
  INFURA_API,
  INFURA_API_SECRET_KEY,
  NETWORK,
  ETHERSCAN_API_KEY,
];

const missingVar = requiredVars.find((v) => !v);

if (missingVar) {
  throw new Error(
    "Missing required environment variables. Check your .env file.",
  );
}

export const WEBSOCKET_URL = `wss://${NETWORK}.infura.io/ws/v3/${INFURA_API}`;

export const PROVIDER_URL = isLocal
  ? "http://localhost:8545"
  : `https://${NETWORK}.infura.io/v3/${INFURA_API}`;

export const MAINNET_PROVIDER_URL = `https://mainnet.infura.io/v3/${INFURA_API}`;

export const getEtherscanBaseUrl = () => {
  console.log("NETWORK", NETWORK);
  return NETWORK === ETHEREUM_NETWORK.MAINNET
    ? "https://api.etherscan.io/api"
    : `https://api-${NETWORK}.etherscan.io/api`;
};

export const httpProvider = new JsonRpcProvider(
  `https://${NETWORK}.infura.io/v3/${INFURA_API}`,
);
export const wsProvider = new WebSocketProvider(WEBSOCKET_URL);

export const getEthTxUrl = (
  walletAddress: string,
  page: number = 1,
  pageSize: number = 20,
) =>
  `${getEtherscanBaseUrl()}?module=account&action=txlist&address=${walletAddress}&startblock=0&endblock=99999999&page=${page}&offset=${pageSize}&sort=desc&apikey=${ETHERSCAN_API_KEY}`;

export const getTokenTxUrl = (
  walletAddress: string,
  page: number = 1,
  pageSize: number = 20,
) =>
  `${getEtherscanBaseUrl()}?module=account&action=tokentx&address=${walletAddress}&startblock=0&endblock=99999999&page=${page}&offset=${pageSize}&sort=desc&apikey=${ETHERSCAN_API_KEY}`;

export const getTokenIcon = (address: string) =>
  `https://raw.githubusercontent.com/trustwallet/assets/master/blockchains/ethereum/assets/${address}/logo.png`;

export const getInternalTxUrl = (
  walletAddress: string,
  page: number = 1,
  pageSize: number = 20,
) =>
  `${getEtherscanBaseUrl()}?module=account&action=txlistinternal&address=${walletAddress}&startblock=0&endblock=99999999&page=${page}&offset=${pageSize}&sort=desc&apikey=${ETHERSCAN_API_KEY}`;