import { Borsh } from '@metaplex/utils';
import { AnyPublicKey, StringPublicKey } from '@metaplex/types';
import { AuctionProgram } from '../AuctionProgram';
import { AccountInfo, PublicKey } from '@solana/web3.js';
import { Account } from '../../../Account';
import { ERROR_INVALID_ACCOUNT_DATA, ERROR_INVALID_OWNER } from '@metaplex/errors';
import { Buffer } from 'buffer';

type Args = {
  bidderPot: StringPublicKey;
  bidderAct: StringPublicKey;
  auctionAct: StringPublicKey;
  emptied: boolean;
};
export class BidderPotData extends Borsh.Data<Args> {
  static readonly SCHEMA = this.struct([
    ['bidderPot', 'pubkeyAsString'],
    ['bidderAct', 'pubkeyAsString'],
    ['auctionAct', 'pubkeyAsString'],
    ['emptied', 'u8'],
  ]);

  /// Points at actual pot that is a token account
  bidderPot: StringPublicKey;
  bidderAct: StringPublicKey;
  auctionAct: StringPublicKey;
  emptied: boolean;
}

export class BidderPot extends Account<BidderPotData> {
  static readonly DATA_SIZE = 32 + 32 + 32 + 1;

  constructor(key: AnyPublicKey, info: AccountInfo<Buffer>) {
    super(key, info);

    if (!this.assertOwner(AuctionProgram.PUBKEY)) {
      throw ERROR_INVALID_OWNER();
    }

    if (!BidderPot.isCompatible(this.info.data)) {
      throw ERROR_INVALID_ACCOUNT_DATA();
    }

    this.data = BidderPotData.deserialize(this.info.data);
  }

  static isCompatible(data: Buffer) {
    return data.length === BidderPot.DATA_SIZE;
  }

  static getPDA(auction: AnyPublicKey, bidder: AnyPublicKey) {
    return AuctionProgram.findProgramAddress([
      Buffer.from(AuctionProgram.PREFIX),
      AuctionProgram.PUBKEY.toBuffer(),
      new PublicKey(auction).toBuffer(),
      new PublicKey(bidder).toBuffer(),
    ]);
  }
}