import * as anchor from "@project-serum/anchor";
import { getAssociatedTokenAddress } from "@solana/spl-token";
import { getStrikr, getStrikrAuthority } from "../utils";

/**
 * Close the OptionState account and release lamports
 * @param provider Anchor provider
 * @param assetNftMint Asset NFT which underlies the option
 * @returns Promise resolving to the transaction signature
 */
export const closeOptionState = async (
  provider: anchor.AnchorProvider,
  assetNftMint: anchor.web3.PublicKey
) => {
  const strikr = getStrikr(provider);
  const transaction = new anchor.web3.Transaction();

  const strikrAuthority = await getStrikrAuthority();
  const strikrAssetNftTokenAccount = await getAssociatedTokenAddress(
    assetNftMint,
    strikrAuthority,
    true
  );

  transaction.add(
    await strikr.methods
      .closeOptionState()
      .accounts({
        signer: provider.wallet.publicKey,
        assetNftMint,
        strikrAssetNftTokenAccount,
      })
      .instruction()
  );

  return await provider.sendAndConfirm(transaction);
};