/*
 * Copyright contributors to Besu.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
package org.hyperledger.besu.consensus.qbft.adaptor;

import static java.util.Collections.emptyList;
import static org.assertj.core.api.Assertions.assertThat;

import org.hyperledger.besu.consensus.common.bft.BftBlockInterface;
import org.hyperledger.besu.consensus.common.bft.BftExtraData;
import org.hyperledger.besu.consensus.qbft.QbftExtraDataCodec;
import org.hyperledger.besu.consensus.qbft.core.types.QbftBlock;
import org.hyperledger.besu.consensus.qbft.core.types.QbftBlockInterface;
import org.hyperledger.besu.consensus.qbft.core.types.QbftHashMode;
import org.hyperledger.besu.ethereum.core.Block;
import org.hyperledger.besu.ethereum.core.BlockBody;
import org.hyperledger.besu.ethereum.core.BlockHeader;
import org.hyperledger.besu.ethereum.core.BlockHeaderTestFixture;

import java.util.Optional;

import org.apache.tuweni.bytes.Bytes;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.junit.jupiter.MockitoExtension;

@ExtendWith(MockitoExtension.class)
class QbftBlockInterfaceAdaptorTest {
  private final BftBlockInterface bftBlockInterface =
      new BftBlockInterface(new QbftExtraDataCodec());

  @Test
  void replacesRoundInBlockHeader() {
    QbftExtraDataCodec qbftExtraDataCodec = new QbftExtraDataCodec();
    BftExtraData bftExtraData =
        new BftExtraData(Bytes.wrap(new byte[32]), emptyList(), Optional.empty(), 0, emptyList());
    Bytes encodedExtraData = qbftExtraDataCodec.encode(bftExtraData);
    BlockHeader header = new BlockHeaderTestFixture().extraData(encodedExtraData).buildHeader();
    Block besuBlock = new Block(header, BlockBody.empty());
    QbftBlock block = new QbftBlockAdaptor(besuBlock);

    QbftBlockInterface qbftBlockInterface = new QbftBlockInterfaceAdaptor(bftBlockInterface);
    QbftBlock updatedBlock =
        qbftBlockInterface.replaceRoundInBlock(block, 1, QbftHashMode.COMMITTED_SEAL);
    BftExtraData extraData =
        qbftExtraDataCodec.decode(BlockUtil.toBesuBlockHeader(updatedBlock.getHeader()));
    assertThat(extraData.getRound()).isEqualTo(1);
  }
}
