import { PoolErrorException, PoolErrorType } from '../error/pool.error';
import { Address, NETWORK, OutScript } from '@scure/btc-signer';
import { hex } from '@scure/base';

export const getScriptPubkeyFromAddress = (
  address: string,
  network: typeof NETWORK,
): string => {
  try {
    const decoded = Address(network).decode(address);

    if (decoded.type === 'unknown') {
      throw new Error('Unknown address type');
    }

    // Convert the decoded address information back into a script pubkey.
    const script = OutScript.encode(decoded);

    return hex.encode(script);
  } catch {
    throw new PoolErrorException({
      message: `Invalid address provided: ${address}`,
      type: PoolErrorType.InvalidAddress,
    });
  }
};