/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.zeppelin.rest.exception;

import jakarta.ws.rs.WebApplicationException;
import jakarta.ws.rs.core.Response;
import jakarta.ws.rs.ext.ExceptionMapper;
import jakarta.ws.rs.ext.Provider;

import org.apache.zeppelin.notebook.exception.NotePathAlreadyExistsException;
import org.apache.zeppelin.utils.ExceptionUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@Provider
public class WebApplicationExceptionMapper implements ExceptionMapper<Throwable> {
    
  private static final Logger LOGGER = LoggerFactory.getLogger(WebApplicationExceptionMapper.class);

  @Override
  public Response toResponse(Throwable exception) {
    if (exception instanceof WebApplicationException) {
      return ((WebApplicationException) exception).getResponse();
    } else if (exception instanceof NotePathAlreadyExistsException) {
      return ExceptionUtils.jsonResponseContent(Response.Status.CONFLICT, exception.getMessage());
    } else {
      LOGGER.error("Error response", exception);
      // Return generic error message to prevent information disclosure
      String errorMessage = "{\"status\":\"error\",\"message\":\"Internal server error\"}";
      return Response.status(500).entity(errorMessage).build();
    }
  }
}
