/*
 * Copyright Consensys Software Inc., 2024
 *
 * 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.
 */

package tech.pegasys.teku.spec.logic.versions.electra.helpers;

import static org.mockito.Mockito.never;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;

import org.junit.jupiter.api.Test;
import tech.pegasys.teku.infrastructure.unsigned.UInt64;
import tech.pegasys.teku.spec.Spec;
import tech.pegasys.teku.spec.TestSpecFactory;
import tech.pegasys.teku.spec.config.SpecConfigElectra;
import tech.pegasys.teku.spec.datastructures.state.BeaconStateTestBuilder;
import tech.pegasys.teku.spec.datastructures.state.beaconstate.BeaconState;
import tech.pegasys.teku.spec.schemas.SchemaDefinitionsElectra;
import tech.pegasys.teku.spec.util.DataStructureUtil;

class BeaconStateAccessorsElectraTest {

  private final Spec spec = TestSpecFactory.createMinimalElectra();
  private final DataStructureUtil dataStructureUtil = new DataStructureUtil(spec);
  private final SpecConfigElectra specConfig =
      spy(SpecConfigElectra.required(spec.atSlot(UInt64.ZERO).getConfig()));
  private final PredicatesElectra predicatesElectra = new PredicatesElectra(specConfig);
  private final SchemaDefinitionsElectra schemaDefinitionsElectra =
      spec.getGenesisSchemaDefinitions().toVersionElectra().orElseThrow();
  private final MiscHelpersElectra miscHelpersElectra =
      new MiscHelpersElectra(
          SpecConfigElectra.required(specConfig), predicatesElectra, schemaDefinitionsElectra);

  @Test
  public void getNextSyncCommitteeIndicesShouldUseMaxEffectiveBalanceElectra() {
    final BeaconStateAccessorsElectra beaconStateAccessorsElectra =
        new BeaconStateAccessorsElectra(specConfig, predicatesElectra, miscHelpersElectra);

    beaconStateAccessorsElectra.getNextSyncCommitteeIndices(createBeaconState());

    verify(specConfig).getMaxEffectiveBalanceElectra();
    verify(specConfig, never()).getMaxEffectiveBalance();
  }

  private BeaconState createBeaconState() {
    return new BeaconStateTestBuilder(dataStructureUtil)
        .forkVersion(specConfig.getGenesisForkVersion())
        .activeValidator(UInt64.THIRTY_TWO_ETH)
        .activeValidator(UInt64.THIRTY_TWO_ETH)
        .activeValidator(UInt64.THIRTY_TWO_ETH)
        .build();
  }
}
