/*
   * Copyright 2019-2026 the original author or authors.
    *
    * 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 org.bremersee.exception.spring.boot.autoconfigure.servlet;
  
  import java.util.List;
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.bremersee.exception.RestApiExceptionMapper;
  import org.bremersee.exception.servlet.ApiExceptionResolver;
  import org.bremersee.exception.servlet.HttpServletRequestIdProvider;
  import org.bremersee.exception.spring.boot.autoconfigure.RestApiExceptionMapperBootProperties;
  import org.springframework.beans.factory.ObjectProvider;
  import org.springframework.boot.autoconfigure.AutoConfiguration;
  import org.springframework.boot.autoconfigure.AutoConfigureAfter;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication.Type;
  import org.springframework.boot.context.event.ApplicationReadyEvent;
  import org.springframework.boot.context.properties.EnableConfigurationProperties;
  import org.springframework.context.event.EventListener;
  import org.springframework.util.Assert;
  import org.springframework.util.ClassUtils;
  import org.springframework.web.servlet.HandlerExceptionResolver;
  import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
  import tools.jackson.databind.json.JsonMapper;
  import tools.jackson.dataformat.xml.XmlMapper;
  
  /**
   * The api exception resolver autoconfiguration.
   */
  @ConditionalOnWebApplication(type = Type.SERVLET)
  @ConditionalOnClass(name = {
      "tools.jackson.databind.ObjectMapper",
      "org.bremersee.exception.RestApiExceptionMapperProperties",
      "org.bremersee.exception.servlet.ApiExceptionResolver"
  })
  @AutoConfigureAfter({
      RestApiExceptionMapperForWebAutoConfiguration.class
  })
  @AutoConfiguration
  @EnableConfigurationProperties({RestApiExceptionMapperBootProperties.class})
  public class ApiExceptionResolverAutoConfiguration implements WebMvcConfigurer {
  
    private static final Log log = LogFactory
        .getLog(ApiExceptionResolverAutoConfiguration.class);
  
    private final RestApiExceptionMapperBootProperties properties;
  
    private final ApiExceptionResolver apiExceptionResolver;
  
    /**
     * Instantiates a new api exception resolver autoconfiguration.
     *
     * @param properties the properties
     * @param apiExceptionMapper the api exception mapper
     * @param jsonMapperBuilderProvider the json mapper builder provider
     * @param xmlMapperBuilderProvider the xml mapper builder provider
     * @param restApiIdProvider the rest api id provider
     */
    public ApiExceptionResolverAutoConfiguration(
        RestApiExceptionMapperBootProperties properties,
        ObjectProvider<RestApiExceptionMapper> apiExceptionMapper,
        ObjectProvider<JsonMapper.Builder> jsonMapperBuilderProvider,
        ObjectProvider<XmlMapper.Builder> xmlMapperBuilderProvider,
        ObjectProvider<HttpServletRequestIdProvider> restApiIdProvider) {
  
      RestApiExceptionMapper mapper = apiExceptionMapper.getIfAvailable();
      Assert.notNull(mapper, "Api exception resolver must be present.");
      this.properties = properties;
      this.apiExceptionResolver = new ApiExceptionResolver(
          properties.getApiPaths(),
          mapper,
          jsonMapperBuilderProvider.getIfAvailable(),
          xmlMapperBuilderProvider.getIfAvailable());
      this.apiExceptionResolver.setRestApiExceptionIdProvider(restApiIdProvider.getIfAvailable());
    }
  
    /**
     * Init.
     */
    @EventListener(ApplicationReadyEvent.class)
    public void init() {
      log.info(String.format("""
              
              *********************************************************************************
             * %s
             *********************************************************************************
             * apiPaths = %s
             *********************************************************************************""",
         ClassUtils.getUserClass(getClass()).getSimpleName(),
         properties.getApiPaths()));
   }
 
   @Override
   public void extendHandlerExceptionResolvers(List<HandlerExceptionResolver> exceptionResolvers) {
     log.info(String.format("Adding exception resolver [%s] to registry.",
         ClassUtils.getUserClass(apiExceptionResolver).getSimpleName()));
     exceptionResolvers.addFirst(apiExceptionResolver);
   }
 
 }