import {
    ASSOCIATED_TOKEN_PROGRAM_ID,
    TOKEN_2022_PROGRAM_ID,
    TOKEN_PROGRAM_ID
} from '@solana/spl-token';
import { PublicKey, TransactionInstruction } from '@solana/web3.js';
import { BASKETS_V3_PROGRAM_ID } from '../../constants';
import { SystemProgram } from '@solana/web3.js';
import { getAta, getBountyVaultPda, getGlobalConfigPda, getRebalanceIntentPda, getRentPayerPda } from '../pda';


const CREATE_AUCTION_DISCRIMINATOR = Buffer.from([50, 37, 7, 103, 80, 100, 162, 13]);

export function createAuctionIx(params: {
    keeper: PublicKey,
    basket: PublicKey,
    bountyMint: PublicKey,
}): TransactionInstruction {
    const { keeper, basket, bountyMint } = params;
    let bountyVault = getBountyVaultPda();
    
    let bountyVaultAta = getAta(bountyMint, bountyVault);
    let rebalanceIntent = getRebalanceIntentPda(basket, basket);

    let rentPayerPda = getRentPayerPda();

    let globalConfig = getGlobalConfigPda();

    let keeperBountyATA = getAta(keeper, bountyMint);

    const data = CREATE_AUCTION_DISCRIMINATOR;

    const keys = [
      { pubkey: keeper, isWritable: true, isSigner: true },
      { pubkey: basket, isWritable: true, isSigner: false },
      { pubkey: rebalanceIntent, isWritable: true, isSigner: false },
      { pubkey: rentPayerPda, isWritable: true, isSigner: false },
      { pubkey: globalConfig, isWritable: false, isSigner: false },
      { pubkey: bountyMint, isWritable: false, isSigner: false },
      { pubkey: keeperBountyATA, isWritable: true, isSigner: false },
      { pubkey: bountyVault, isWritable: true, isSigner: false },
      { pubkey: bountyVaultAta, isWritable: true, isSigner: false },
      { pubkey: SystemProgram.programId, isWritable: false, isSigner: false },
      { pubkey: TOKEN_PROGRAM_ID, isWritable: false, isSigner: false },
      { pubkey: TOKEN_2022_PROGRAM_ID, isWritable: false, isSigner: false },
      { pubkey: ASSOCIATED_TOKEN_PROGRAM_ID, isWritable: false, isSigner: false },
      { pubkey: rebalanceIntent, isWritable: true, isSigner: false }
    ];

  return new TransactionInstruction({
      keys,
      programId: BASKETS_V3_PROGRAM_ID,
      data,
  });
}