import * as anchor from "@project-serum/anchor";
import { decode, mapProof } from "../utils";
import { PROGRAM_ID as BUBBLEGUM_PROGRAM_ID } from "@metaplex-foundation/mpl-bubblegum";
import { SPL_ACCOUNT_COMPRESSION_PROGRAM_ID, SPL_NOOP_PROGRAM_ID } from "@solana/spl-account-compression";
import { getAsset, getAssetProof } from "../readAPI";
import { AccountMeta, AddressLookupTableProgram, PublicKey, SystemProgram, Transaction, TransactionMessage, VersionedTransaction, sendAndConfirmTransaction } from "@solana/web3.js";

import { connection, keypair, program, programID } from "./constants";

async function main() {

  // TODO change all of these to your values
  const assetId1 = "DGWU3mHenDerCvjkeDsKYEbsvXbWvqdo1bVoXy3dkeTd";
  const assetId2 = "14JojSTdBZvP7f77rCxB3oQK78skTVD6DiXrXUL4objg";//"D2CoMLCRfsfv1EAiNbaBHfoU1Sqf1964KXLGxEfyUwWo";

  const tree1 = new anchor.web3.PublicKey("trezdkTFPKyj4gE9LAJYPpxn8AYVCvM7Mc4JkTb9X5B")
  const tree2 = new anchor.web3.PublicKey("trezdkTFPKyj4gE9LAJYPpxn8AYVCvM7Mc4JkTb9X5B")

  const receiver1 = new anchor.web3.PublicKey("Andys9wuoMdUeRiZLgRS5aJwYNFv4Ut6qQi8PNDTAPEM")
  const receiver2 = new anchor.web3.PublicKey("Andys9wuoMdUeRiZLgRS5aJwYNFv4Ut6qQi8PNDTAPEM")
  // ---

  const lookupTable = await createLookupTable();

  const [vaultPDA, _bump] = anchor.web3.PublicKey.findProgramAddressSync(
    [Buffer.from("cNFT-vault", "utf8")],
    programID,
  );

  const [treeAuthority1, _bump2] = anchor.web3.PublicKey.findProgramAddressSync(
    [tree1.toBuffer()],
    BUBBLEGUM_PROGRAM_ID,
  );
  const [treeAuthority2, _bump3] = anchor.web3.PublicKey.findProgramAddressSync(
    [tree2.toBuffer()],
    BUBBLEGUM_PROGRAM_ID,
  );

  const asset1 = await getAsset(assetId1);
  const asset2 = await getAsset(assetId2);

  const proof1 = await getAssetProof(assetId1);
  const proofPathAsAccounts1 = mapProof(proof1);
  const proof2 = await getAssetProof(assetId2);
  const proofPathAsAccounts2 = mapProof(proof2);

  const ixData1 = getInstructionData(asset1, proof1);
  const ixData2 = getInstructionData(asset2, proof2);

  const remainingAccounts: AccountMeta[] = [...proofPathAsAccounts1, ...proofPathAsAccounts2];

  const ix = await program.methods.withdrawTwoCnfts(...ixData1, ...ixData2)
    .accounts({
      leafOwner: vaultPDA,
      merkleTree1: tree1,
      newLeafOwner1: receiver1,
      treeAuthority1: treeAuthority1,
      merkleTree2: tree2,
      newLeafOwner2: receiver2,
      treeAuthority2: treeAuthority2,
      bubblegumProgram: BUBBLEGUM_PROGRAM_ID,
      compressionProgram: SPL_ACCOUNT_COMPRESSION_PROGRAM_ID,
      logWrapper: SPL_NOOP_PROGRAM_ID,
      systemProgram: anchor.web3.SystemProgram.programId
    })
    .remainingAccounts(remainingAccounts)
    .instruction();


  await extendLookupTable(lookupTable, proofPathAsAccounts1.map(acc => acc.pubkey));
  await extendLookupTable(lookupTable, proofPathAsAccounts2.map(acc => acc.pubkey));

  const lookupTableAccount = await connection
    .getAddressLookupTable(lookupTable)
    .then((res) => res.value);

  if (!lookupTableAccount) {
    console.log("could not fetch ATL!");
    return;
  }

  await new Promise(_ => setTimeout(_, 30000));

  const messageV0 = new TransactionMessage({
    payerKey: keypair.publicKey,
    recentBlockhash: (await connection.getLatestBlockhash()).blockhash,
    instructions: [ix],
  }).compileToV0Message([lookupTableAccount]);

  const transactionV0 = new VersionedTransaction(messageV0);
  transactionV0.sign([keypair]);

  const txid = await connection.sendTransaction(transactionV0);
  console.log(txid);
};

function getInstructionData(asset: any, proof: any):
  [number[], number[], number[], anchor.BN, number, number] {
  const root = decode(proof.root);
  const dataHash = decode(asset.compression.data_hash);
  const creatorHash = decode(asset.compression.creator_hash);
  const nonce = new anchor.BN(asset.compression.leaf_id);
  const index = asset.compression.leaf_id;
  const proofLength = proof.proof.length;
  return [root, dataHash, creatorHash, nonce, index, proofLength];
}

main();

async function extendLookupTable(lookupTableAddress: PublicKey, proofHashes: PublicKey[]) {

  const extendInstruction = AddressLookupTableProgram.extendLookupTable({
    payer: keypair.publicKey,
    authority: keypair.publicKey,
    lookupTable: lookupTableAddress,
    addresses: [
      ...proofHashes
    ],
  });

  const tx = new Transaction();
  tx.add(extendInstruction);

  const sx = await sendAndConfirmTransaction(connection, tx, [keypair], { commitment: "finalized" });
  console.log(sx);
  console.log("ALT extended!");
}

async function createLookupTable(): Promise<PublicKey> {
  const slot = await connection.getSlot();

  const [lookupTableInst, lookupTableAddress] =
    AddressLookupTableProgram.createLookupTable({
      authority: keypair.publicKey,
      payer: keypair.publicKey,
      recentSlot: slot,
    });
  console.log(lookupTableAddress.toBase58());

  const extendInstruction = AddressLookupTableProgram.extendLookupTable({
    payer: keypair.publicKey,
    authority: keypair.publicKey,
    lookupTable: lookupTableAddress,
    addresses: [
      programID,
      SystemProgram.programId,
      BUBBLEGUM_PROGRAM_ID,
      SPL_ACCOUNT_COMPRESSION_PROGRAM_ID,
      SPL_NOOP_PROGRAM_ID,
      // you could add more addresses here, like merkle trees, leaf owners etc.
    ],
  });

  const tx = new Transaction();
  tx.add(lookupTableInst).add(extendInstruction);

  const sx = await sendAndConfirmTransaction(connection, tx, [keypair], { commitment: "finalized" });
  console.log(sx);
  console.log("ALT created");

  return lookupTableAddress;
}