/*
 * 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.validator.remote.typedef.handlers;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.assertj.core.api.Assumptions.assumeThat;
import static tech.pegasys.teku.infrastructure.http.HttpStatusCodes.SC_BAD_REQUEST;
import static tech.pegasys.teku.infrastructure.http.HttpStatusCodes.SC_INTERNAL_SERVER_ERROR;
import static tech.pegasys.teku.infrastructure.http.HttpStatusCodes.SC_NO_CONTENT;
import static tech.pegasys.teku.infrastructure.json.types.DeserializableTypeDefinition.listOf;
import static tech.pegasys.teku.spec.SpecMilestone.PHASE0;

import java.util.Collections;
import java.util.List;
import okhttp3.mockwebserver.MockResponse;
import okhttp3.mockwebserver.RecordedRequest;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.TestTemplate;
import tech.pegasys.teku.api.exceptions.RemoteServiceNotAvailableException;
import tech.pegasys.teku.infrastructure.json.JsonUtil;
import tech.pegasys.teku.spec.TestSpecContext;
import tech.pegasys.teku.spec.datastructures.operations.versions.altair.SignedContributionAndProof;
import tech.pegasys.teku.spec.networks.Eth2Network;
import tech.pegasys.teku.validator.remote.apiclient.ValidatorApiMethod;
import tech.pegasys.teku.validator.remote.typedef.AbstractTypeDefRequestTestBase;

@TestSpecContext(allMilestones = true, network = Eth2Network.MINIMAL)
public class SendContributionAndProofsRequestTest extends AbstractTypeDefRequestTestBase {
  private SendContributionAndProofsRequest request;
  private List<SignedContributionAndProof> contributionAndProofs;

  @BeforeEach
  public void setup() {
    assumeThat(specMilestone).isGreaterThan(PHASE0);
    request = new SendContributionAndProofsRequest(mockWebServer.url("/"), okHttpClient);
    contributionAndProofs =
        List.of(
            dataStructureUtil.randomSignedContributionAndProof(),
            dataStructureUtil.randomSignedContributionAndProof());
  }

  @TestTemplate
  public void postAttesterDuties_makesExpectedRequest() throws Exception {
    mockWebServer.enqueue(new MockResponse().setResponseCode(SC_NO_CONTENT));
    request.submit(contributionAndProofs);
    final RecordedRequest request = mockWebServer.takeRequest();
    assertThat(request.getMethod()).isEqualTo("POST");
    assertThat(request.getPath())
        .contains(ValidatorApiMethod.SEND_CONTRIBUTION_AND_PROOF.getPath(Collections.emptyMap()));
    final String requestBody =
        JsonUtil.serialize(
            contributionAndProofs,
            listOf(contributionAndProofs.getFirst().getSchema().getJsonTypeDefinition()));
    assertThat(request.getBody().readUtf8()).isEqualTo(requestBody);
  }

  @TestTemplate
  void noRequestWhenEmptyList() {
    request.submit(List.of());
    assertThat(mockWebServer.getRequestCount()).isZero();
  }

  @TestTemplate
  void handle400() {
    mockWebServer.enqueue(new MockResponse().setResponseCode(SC_BAD_REQUEST));
    assertThatThrownBy(() -> request.submit(contributionAndProofs))
        .isInstanceOf(IllegalArgumentException.class);
  }

  @TestTemplate
  void handle500() {
    mockWebServer.enqueue(new MockResponse().setResponseCode(SC_INTERNAL_SERVER_ERROR));
    assertThatThrownBy(() -> request.submit(contributionAndProofs))
        .isInstanceOf(RemoteServiceNotAvailableException.class);
  }
}
