/*
    * 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.syncope.sra;
  
  import org.apache.syncope.common.keymaster.client.api.ServiceOps;
  import org.apache.syncope.common.keymaster.client.api.model.NetworkService;
  import org.apache.syncope.common.keymaster.client.api.startstop.KeymasterStart;
  import org.apache.syncope.common.keymaster.client.api.startstop.KeymasterStop;
  import org.apache.syncope.sra.actuate.SRASessions;
  import org.apache.syncope.sra.actuate.SyncopeCoreHealthIndicator;
  import org.apache.syncope.sra.actuate.SyncopeSRAInfoContributor;
  import org.apache.syncope.sra.security.CsrfRouteMatcher;
  import org.apache.syncope.sra.security.LogoutRouteMatcher;
  import org.apache.syncope.sra.security.PublicRouteMatcher;
  import org.springframework.beans.factory.annotation.Qualifier;
  import org.springframework.boot.autoconfigure.SpringBootApplication;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
  import org.springframework.boot.builder.SpringApplicationBuilder;
  import org.springframework.boot.context.properties.EnableConfigurationProperties;
  import org.springframework.cache.CacheManager;
  import org.springframework.cloud.gateway.route.Route;
  import org.springframework.cloud.gateway.route.RouteLocator;
  import org.springframework.context.ConfigurableApplicationContext;
  import org.springframework.context.annotation.Bean;
  import org.springframework.web.server.WebExceptionHandler;
  import reactor.core.publisher.Flux;
  
  @SpringBootApplication(proxyBeanMethods = false)
  @EnableConfigurationProperties(SRAProperties.class)
  public class SyncopeSRAApplication {
  
      public static void main(final String[] args) {
          new SpringApplicationBuilder(SyncopeSRAApplication.class).
                  properties("spring.config.name:sra").
                  build().run(args);
      }
  
      @Bean
      public LogoutRouteMatcher logoutRouteMatcher() {
          return new LogoutRouteMatcher();
      }
  
      @Bean
      public PublicRouteMatcher publicRouteMatcher() {
          return new PublicRouteMatcher();
      }
  
      @Bean
      public CsrfRouteMatcher csrfRouteMatcher(final PublicRouteMatcher publicRouteMatcher) {
          return new CsrfRouteMatcher(publicRouteMatcher);
      }
  
      @ConditionalOnMissingBean
      @Bean
      public RouteProvider routeProvider(final ConfigurableApplicationContext ctx,
              final ServiceOps serviceOps,
              final SRAProperties props) {
          return new RouteProvider(
                  serviceOps,
                  ctx,
                  props.getAnonymousUser(),
                  props.getAnonymousKey(),
                  props.isUseGZIPCompression());
      }
  
      @ConditionalOnMissingBean
      @Bean
      public RouteLocator routes(@Qualifier("routeProvider") final RouteProvider routeProvider) {
          return () -> Flux.fromIterable(routeProvider.fetch()).map(Route.AbstractBuilder::build);
      }
  
      @ConditionalOnMissingBean
      @Bean
      public SRASessions sraSessionsActuatorEndpoint(final CacheManager cacheManager) {
          return new SRASessions(cacheManager);
      }
  
      @ConditionalOnMissingBean
      @Bean
      public SyncopeCoreHealthIndicator syncopeCoreHealthIndicator(final ServiceOps serviceOps,
              final SRAProperties props) {
          return new SyncopeCoreHealthIndicator(
                 serviceOps,
                 props.getAnonymousUser(),
                 props.getAnonymousKey(),
                 props.isUseGZIPCompression());
     }
 
     @ConditionalOnMissingBean
     @Bean
     public SyncopeSRAInfoContributor syncopeSRAInfoContributor() {
         return new SyncopeSRAInfoContributor();
     }
 
     @ConditionalOnProperty(
             prefix = "keymaster", name = "enableAutoRegistration", havingValue = "true", matchIfMissing = true)
     @Bean
     public KeymasterStart keymasterStart() {
         return new KeymasterStart(NetworkService.Type.SRA);
     }
 
     @ConditionalOnProperty(
             prefix = "keymaster", name = "enableAutoRegistration", havingValue = "true", matchIfMissing = true)
     @Bean
     public KeymasterStop keymasterStop() {
         return new KeymasterStop(NetworkService.Type.SRA);
     }
 
     @Bean
     public WebExceptionHandler syncopeSRAWebExceptionHandler(
             @Qualifier("routeProvider") final RouteProvider routeProvider,
             final SRAProperties props) {
         return new SyncopeSRAWebExceptionHandler(routeProvider, props);
     }
 }