import { Wallet, } from "@project-serum/anchor";
import { Keypair, Signer } from "@solana/web3.js";
import { removeDuplicates } from "./object";

// TODO: this can use some testing...
export const removeSignerDuplicates = (signers: Signer[]) =>
  removeDuplicates(
    signers,
    (s: Signer) => JSON.stringify([...s.secretKey]),
    (s: string) => {
      return Keypair.fromSecretKey(new Uint8Array(JSON.parse(s)));
    }
  );

export const conditionallyIncludeSigner = (
  signers: Signer[],
  conditionalSigner: Signer | Wallet
) => {
  if ((conditionalSigner as Signer).secretKey) {
    return [...signers, conditionalSigner as Signer];
  }
  return signers;
};