import { BN, Program } from "@project-serum/anchor";
import { PublicKey, Signer } from "@solana/web3.js";
import { PsyStake } from "../../psy_stake";
import * as pdas from "../../pdas";

const getMethodBuilder = async (
  program: Program<PsyStake>,
  recordOwner: PublicKey,
  stakePool: PublicKey,
  ownerTokenAccount: PublicKey,
  amount: BN
) => {
  const [stakingRecord] = await pdas.deriveStakingRecord(
    program.programId,
    recordOwner,
    stakePool
  );
  const [stakingTokenAccount] = await pdas.deriveStakingTokenAccount(
    program.programId,
    stakePool
  );
  return await program.methods.unstakeToken(amount).accounts({
    recordOwner,
    stakePool,
    stakingRecord,
    ownerTokenAccount,
    stakingTokenAccount,
  });
};

export const unstakeTokenInstruction = async (
  program: Program<PsyStake>,
  recordOwner: PublicKey,
  stakePool: PublicKey,
  ownerTokenAccount: PublicKey,
  unstakeAmount: BN
) => {
  return (
    await getMethodBuilder(
      program,
      recordOwner,
      stakePool,
      ownerTokenAccount,
      unstakeAmount
    )
  ).instruction();
};

export const unstakeTokenRpc = async (
  program: Program<PsyStake>,
  recordOwner: PublicKey,
  stakePool: PublicKey,
  ownerTokenAccount: PublicKey,
  unstakeAmount: BN,
  signers: Signer[]
) => {
  return (
    await getMethodBuilder(
      program,
      recordOwner,
      stakePool,
      ownerTokenAccount,
      unstakeAmount
    )
  )
    .signers(signers)
    .rpc();
};