/*
 * Copyright Consensys Software Inc., 2022
 *
 * 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.apiclient;

import static tech.pegasys.teku.infrastructure.json.types.CoreTypes.HTTP_ERROR_RESPONSE_TYPE;

import java.io.IOException;
import okhttp3.Response;
import okhttp3.ResponseBody;
import tech.pegasys.teku.infrastructure.http.HttpErrorResponse;
import tech.pegasys.teku.infrastructure.json.JsonUtil;

public class BeaconNodeApiErrorUtils {

  public static String getErrorMessage(final Response response) {
    final ResponseBody responseBody = response.body();
    if (responseBody == null) {
      return response.message();
    }
    try {
      final HttpErrorResponse error =
          JsonUtil.parse(responseBody.string(), HTTP_ERROR_RESPONSE_TYPE);
      return error.getMessage();
    } catch (IOException ex) {
      return response.message();
    }
  }
}
