import * as crypto from '@node-dlc/crypto';
import { expect } from 'chai';
import { AcceptChannelMessage } from '../../lib/messages/AcceptChannelMessage';
import { Value } from '@node-dlc/bitcoin';

describe('AcceptChannelMessage', () => {
  // abb00e1f13665a56d7b39917a3afa1a9753191e97541334705e39019c0e3d9b4
  const fundingPubKey = Buffer.from(
    '029510d1d05474cff7beadffa3175354b148ae6e571f42b893e2a0be33fff57dd0',
    'hex',
  );
  // 9bd2577c3f0d164f0da268d601607038eb97326b3d46575a4f6d5b99dbf1e795
  const revocationBasePoint = Buffer.from(
    '03811ed4c385aff9b3084be61e66a8e6572e6b88a6835c83debfbdb70d7f5ad251',
    'hex',
  );
  // 162e9fd408a28d7c7cc8a2b02974e0a8a9eea94b2df14c45c41fb638244b2e3e
  const paymentBasePoint = Buffer.from(
    '02b331b3a6c68de49a28797cb0715ca0955a8ecd56bea30426a6a92997488425ab',
    'hex',
  );
  // ac1efc7f584d738389e46a6456e08af02b7ea5df2e3e8cf4b123c8a2e0be1f32
  const delayedPaymentBasePoint = Buffer.from(
    '03a895e77d461a6bd13cc9d7c2e193de2fa778e06488e6da38340e4bfcf86f038e',
    'hex',
  );
  // 6809997a638e0432ba2d01785d6b06c2b306a70b5723f82c0f18f2875c6b9aa9
  const htlcBasePoint = Buffer.from(
    '02e572d67e4fa4337e6f8b69f156cf3631a2f46f380d22ff1d5a431e6aa7becba3',
    'hex',
  );
  // 17099d21ffe31aab6aa6122cf66c3c95a9fd7cd4973700386ae3f842caf3fddb
  const firstCommitmentPoint = Buffer.from(
    '039889f60bebba5fd2ee18045b3e5e540b46d07acbc768ba8d9ba9e05458ca4d2a',
    'hex',
  );

  describe('serialize', () => {
    it('serializes without TLV', () => {
      const instance = new AcceptChannelMessage();
      instance.temporaryChannelId = Buffer.from(
        '0000000000000000000000000000000000000000000000000000000000000000',
        'hex',
      );
      instance.dustLimitSatoshis = Value.fromSats(330);
      instance.maxHtlcValueInFlightMsat = Value.fromMilliSats(20000);
      instance.channelReserveSatoshis = Value.fromSats(2000);
      instance.htlcMinimumMsat = Value.fromMilliSats(200);
      instance.minimumDepth = 6;
      instance.toSelfDelay = 144;
      instance.maxAcceptedHtlcs = 30;
      instance.fundingPubKey = fundingPubKey;
      instance.revocationBasePoint = revocationBasePoint;
      instance.paymentBasePoint = paymentBasePoint;
      instance.delayedPaymentBasePoint = delayedPaymentBasePoint;
      instance.htlcBasePoint = htlcBasePoint;
      instance.firstPerCommitmentPoint = firstCommitmentPoint;

      expect(instance.serialize().toString("hex")).to.equal(
                "0021" + // type
                "0000000000000000000000000000000000000000000000000000000000000000" + // temp_chan_id
                "000000000000014a" + // dust_limit_satoshis
                "0000000000004e20" + // max_htlc_value_in_flight_msat
                "00000000000007d0" + // channel_reserve_satoshis
                "00000000000000c8" + // htlc_minimum_msat
                "00000006" + // minimum_depth
                "0090" + // to_self_delay
                "001e" + // max_accepted_htlcs
                "029510d1d05474cff7beadffa3175354b148ae6e571f42b893e2a0be33fff57dd0" + // funding_pubkey
                "03811ed4c385aff9b3084be61e66a8e6572e6b88a6835c83debfbdb70d7f5ad251" + // revocation_basepoint
                "02b331b3a6c68de49a28797cb0715ca0955a8ecd56bea30426a6a92997488425ab" + // payment_basepoint
                "03a895e77d461a6bd13cc9d7c2e193de2fa778e06488e6da38340e4bfcf86f038e" + // delayed_payment_basepoint
                "02e572d67e4fa4337e6f8b69f156cf3631a2f46f380d22ff1d5a431e6aa7becba3" + // htlc_basepoint
                "039889f60bebba5fd2ee18045b3e5e540b46d07acbc768ba8d9ba9e05458ca4d2a" // first_per_commitment_point
            ); // prettier-ignore
    });

    it('serializes with TLV', () => {
      const instance = new AcceptChannelMessage();
      instance.temporaryChannelId = Buffer.from(
        '0000000000000000000000000000000000000000000000000000000000000000',
        'hex',
      );
      instance.dustLimitSatoshis = Value.fromSats(330);
      instance.maxHtlcValueInFlightMsat = Value.fromMilliSats(20000);
      instance.channelReserveSatoshis = Value.fromSats(2000);
      instance.htlcMinimumMsat = Value.fromMilliSats(200);
      instance.minimumDepth = 6;
      instance.toSelfDelay = 144;
      instance.maxAcceptedHtlcs = 30;
      instance.fundingPubKey = fundingPubKey;
      instance.revocationBasePoint = revocationBasePoint;
      instance.paymentBasePoint = paymentBasePoint;
      instance.delayedPaymentBasePoint = delayedPaymentBasePoint;
      instance.htlcBasePoint = htlcBasePoint;
      instance.firstPerCommitmentPoint = firstCommitmentPoint;
      instance.upfrontShutdownScript = Buffer.concat([
        Buffer.from([0x00]),
        crypto.hash160(paymentBasePoint),
      ]);

      expect(instance.serialize().toString("hex")).to.equal(
                "0021" + // type
                "0000000000000000000000000000000000000000000000000000000000000000" + // temp_chan_id
                "000000000000014a" + // dust_limit_satoshis
                "0000000000004e20" + // max_htlc_value_in_flight_msat
                "00000000000007d0" + // channel_reserve_satoshis
                "00000000000000c8" + // htlc_minimum_msat
                "00000006" + // minimum_depth
                "0090" + // to_self_delay
                "001e" + // max_accepted_htlcs
                "029510d1d05474cff7beadffa3175354b148ae6e571f42b893e2a0be33fff57dd0" + // funding_pubkey
                "03811ed4c385aff9b3084be61e66a8e6572e6b88a6835c83debfbdb70d7f5ad251" + // revocation_basepoint
                "02b331b3a6c68de49a28797cb0715ca0955a8ecd56bea30426a6a92997488425ab" + // payment_basepoint
                "03a895e77d461a6bd13cc9d7c2e193de2fa778e06488e6da38340e4bfcf86f038e" + // delayed_payment_basepoint
                "02e572d67e4fa4337e6f8b69f156cf3631a2f46f380d22ff1d5a431e6aa7becba3" + // htlc_basepoint
                "039889f60bebba5fd2ee18045b3e5e540b46d07acbc768ba8d9ba9e05458ca4d2a" + // first_per_commitment_point
                "00" + // tlv type 0 (upfront_shutdown_script)
                "15" + // tlv length 21 bytes
                "00a41a8527eab06efc0a8df57045d247784a071e23" // p2wpkh
            ); // prettier-ignore
    });
  });
  describe('deserialize', () => {
    it('deserializes', () => {
      const buf = Buffer.from(
                "0020" + // type
                "0000000000000000000000000000000000000000000000000000000000000000" + // temp_chan_id
                "000000000000014a" + // dust_limit_satoshis
                "0000000000004e20" + // max_htlc_value_in_flight_msat
                "00000000000007d0" + // channel_reserve_satoshis
                "00000000000000c8" + // htlc_minimum_msat
                "00000006" + // minimum_depth
                "0090" + // to_self_delay
                "001e" + // max_accepted_htlcs
                "029510d1d05474cff7beadffa3175354b148ae6e571f42b893e2a0be33fff57dd0" + // funding_pubkey
                "03811ed4c385aff9b3084be61e66a8e6572e6b88a6835c83debfbdb70d7f5ad251" + // revocation_basepoint
                "02b331b3a6c68de49a28797cb0715ca0955a8ecd56bea30426a6a92997488425ab" + // payment_basepoint
                "03a895e77d461a6bd13cc9d7c2e193de2fa778e06488e6da38340e4bfcf86f038e" + // delayed_payment_basepoint
                "02e572d67e4fa4337e6f8b69f156cf3631a2f46f380d22ff1d5a431e6aa7becba3" + // htlc_basepoint
                "039889f60bebba5fd2ee18045b3e5e540b46d07acbc768ba8d9ba9e05458ca4d2a" + // first_per_commitment_point
                "00" + // tlv type 0 (upfront_shutdown_script)
                "15" + // tlv length 21 bytes
                "00a41a8527eab06efc0a8df57045d247784a071e23" // p2wpkh
                , "hex"
            ); // prettier-ignore

      const instance = AcceptChannelMessage.deserialize(buf);
      expect(instance.temporaryChannelId).to.deep.equal(
        Buffer.from(
          '0000000000000000000000000000000000000000000000000000000000000000',
          'hex',
        ),
      );
      expect(instance.dustLimitSatoshis.sats).to.equal(BigInt(330));
      expect(instance.maxHtlcValueInFlightMsat.msats).to.equal(BigInt(20000));
      expect(instance.channelReserveSatoshis.sats).to.equal(BigInt(2000));
      expect(instance.htlcMinimumMsat.msats).to.equal(BigInt(200));
      expect(instance.minimumDepth).to.equal(6);
      expect(instance.toSelfDelay).to.equal(144);
      expect(instance.maxAcceptedHtlcs).to.equal(30);
      expect(instance.fundingPubKey).to.deep.equal(fundingPubKey);
      expect(instance.revocationBasePoint).to.deep.equal(revocationBasePoint);
      expect(instance.paymentBasePoint).to.deep.equal(paymentBasePoint);
      expect(instance.delayedPaymentBasePoint).to.deep.equal(
        delayedPaymentBasePoint,
      );
      expect(instance.htlcBasePoint).to.deep.equal(htlcBasePoint);
      expect(instance.firstPerCommitmentPoint).to.deep.equal(
        firstCommitmentPoint,
      );
      expect(instance.upfrontShutdownScript).to.deep.equal(
        Buffer.concat([Buffer.from([0x00]), crypto.hash160(paymentBasePoint)]),
      );
    });
  });
});