import { contracts } from '@nymproject/contract-clients';
import { SigningCosmWasmClient } from '@cosmjs/cosmwasm-stargate';
import { DirectSecp256k1HdWallet } from '@cosmjs/proto-signing';
import { GasPrice } from '@cosmjs/stargate';
import { settings } from '../../client';

export const signerAccount = async (mnemonic: string) => {
  // create a wallet to sign transactions with the mnemonic
  const signer = await DirectSecp256k1HdWallet.fromMnemonic(mnemonic, {
    prefix: 'n',
  });

  return signer;
};

export const fetchSignerCosmosWasmClient = async (mnemonic: string) => {
  const signer = await signerAccount(mnemonic);

  // create a signing client we don't need to set the gas price conversion for queries
  const cosmWasmClient = await SigningCosmWasmClient.connectWithSigner(settings.url, signer, {
    gasPrice: GasPrice.fromString('0.025unym'),
  });

  return cosmWasmClient;
};

export const fetchSignerClient = async (mnemonic: string) => {
  const signer = await signerAccount(mnemonic);

  // create a signing client we don't need to set the gas price conversion for queries
  // if you want to connect without signer you'd write ".connect" and "url" as param
  const cosmWasmClient = await SigningCosmWasmClient.connectWithSigner(settings.url, signer, {
    gasPrice: GasPrice.fromString('0.025unym'),
  });

  /** create a mixnet contract client
   * @param cosmWasmClient the client to use for signing and querying
   * @param settings.address the bech32 address prefix (human readable part)
   * @param settings.mixnetContractAddress the bech32 address prefix (human readable part)
   * @returns the client in MixnetClient form
   */

  const mixnetClient = new contracts.Mixnet.MixnetClient(
    cosmWasmClient,
    settings.address, // sender (that account of the signer)
    settings.mixnetContractAddress, // contract address (different on mainnet, QA, etc)
  );

  return mixnetClient;
};