/*
    * This file is part of ***  M y C o R e  ***
    * See http://www.mycore.de/ for details.
    *
    * MyCoRe is free software: you can redistribute it and/or modify
    * it under the terms of the GNU General Public License as published by
    * the Free Software Foundation, either version 3 of the License, or
    * (at your option) any later version.
    *
   * MyCoRe is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with MyCoRe.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  package org.mycore.mcr.acl.accesskey.restapi.v2;
  
  import java.util.Optional;
  
  import org.mycore.mcr.acl.accesskey.exception.MCRAccessKeyException;
  import org.mycore.mcr.acl.accesskey.exception.MCRAccessKeyNotFoundException;
  import org.mycore.restapi.v2.MCRErrorResponse;
  
  import jakarta.ws.rs.WebApplicationException;
  import jakarta.ws.rs.core.Context;
  import jakarta.ws.rs.core.Request;
  import jakarta.ws.rs.core.Response;
  import jakarta.ws.rs.ext.ExceptionMapper;
  import jakarta.ws.rs.ext.Provider;
  
  @Provider
  public class MCRRestAccessKeyExceptionMapper implements ExceptionMapper<MCRAccessKeyException> {
  
      @Context
      Request request;
  
      @Override
      public Response toResponse(MCRAccessKeyException exception) {
          return fromException(exception);
      }
  
      public static Response fromException(MCRAccessKeyException e) {
          if (e instanceof MCRAccessKeyNotFoundException) {
              return getResponse(e, Response.Status.NOT_FOUND.getStatusCode(),
                  e.getErrorCode());
          }
          return getResponse(e, Response.Status.BAD_REQUEST.getStatusCode(),
              e.getErrorCode());
      }
  
      private static Response getResponse(Exception e, int statusCode, String errorCode) {
          MCRErrorResponse response = MCRErrorResponse.fromStatus(statusCode)
              .withCause(e)
              .withMessage(e.getMessage())
              .withDetail(Optional.of(e)
                  .map(ex -> (ex instanceof WebApplicationException) ? ex.getCause() : ex)
                  .map(Object::getClass)
                  .map(Class::getName)
                  .orElse(null))
              .withErrorCode(errorCode);
          //LogManager.getLogger().error(response::getLogMessage, e);
          return Response.status(response.getStatus())
              .entity(response)
              .build();
      }
  }