import { TransactionInstruction, PublicKey, AccountMeta } from "@solana/web3.js" // eslint-disable-line @typescript-eslint/no-unused-vars
import BN from "bn.js" // eslint-disable-line @typescript-eslint/no-unused-vars
import * as borsh from "@project-serum/borsh" // eslint-disable-line @typescript-eslint/no-unused-vars
import * as types from "../types" // eslint-disable-line @typescript-eslint/no-unused-vars
import { PROGRAM_ID } from "../programId"

export interface CloseProgramAccountAccounts {
  adminAuthority: PublicKey
  program: PublicKey
  programData: PublicKey
  closingAccount: PublicKey
  systemProgram: PublicKey
}

export function closeProgramAccount(accounts: CloseProgramAccountAccounts) {
  const keys: Array<AccountMeta> = [
    { pubkey: accounts.adminAuthority, isSigner: true, isWritable: true },
    { pubkey: accounts.program, isSigner: false, isWritable: false },
    { pubkey: accounts.programData, isSigner: false, isWritable: false },
    { pubkey: accounts.closingAccount, isSigner: false, isWritable: true },
    { pubkey: accounts.systemProgram, isSigner: false, isWritable: false },
  ]
  const identifier = Buffer.from([245, 14, 192, 211, 99, 42, 170, 187])
  const data = identifier
  const ix = new TransactionInstruction({ keys, programId: PROGRAM_ID, data })
  return ix
}