/*
    * 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.common.keymaster.client.self;
  
  import com.fasterxml.jackson.databind.json.JsonMapper;
  import com.fasterxml.jackson.jaxrs.json.JacksonJsonProvider;
  import java.util.List;
  import java.util.regex.Pattern;
  import org.apache.cxf.ext.logging.LoggingFeature;
  import org.apache.cxf.jaxrs.client.JAXRSClientFactoryBean;
  import org.apache.syncope.common.keymaster.client.api.ConfParamOps;
  import org.apache.syncope.common.keymaster.client.api.DomainOps;
  import org.apache.syncope.common.keymaster.client.api.KeymasterProperties;
  import org.apache.syncope.common.keymaster.client.api.ServiceOps;
  import org.springframework.beans.factory.annotation.Qualifier;
  import org.springframework.boot.autoconfigure.condition.ConditionOutcome;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
  import org.springframework.boot.autoconfigure.condition.SpringBootCondition;
  import org.springframework.boot.context.properties.EnableConfigurationProperties;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.ConditionContext;
  import org.springframework.context.annotation.Conditional;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.core.type.AnnotatedTypeMetadata;
  
  @EnableConfigurationProperties(KeymasterProperties.class)
  @Configuration(proxyBeanMethods = false)
  public class SelfKeymasterClientContext {
  
      private static final Pattern HTTP = Pattern.compile("^http.+");
  
      static class SelfKeymasterCondition extends SpringBootCondition {
  
          @Override
          public ConditionOutcome getMatchOutcome(final ConditionContext context, final AnnotatedTypeMetadata metadata) {
              String keymasterAddress = context.getEnvironment().getProperty("keymaster.address");
              return new ConditionOutcome(
                      keymasterAddress != null && HTTP.matcher(keymasterAddress).matches(),
                      "Keymaster address not set for Self: " + keymasterAddress);
          }
      }
  
      @Conditional(SelfKeymasterCondition.class)
      @Bean
      @ConditionalOnMissingBean(name = "selfKeymasterRESTClientFactoryBean")
      public JAXRSClientFactoryBean selfKeymasterRESTClientFactoryBean(final KeymasterProperties props) {
          JAXRSClientFactoryBean restClientFactoryBean = new JAXRSClientFactoryBean();
          restClientFactoryBean.setAddress(props.getAddress());
          restClientFactoryBean.setUsername(props.getUsername());
          restClientFactoryBean.setPassword(props.getPassword());
          restClientFactoryBean.setThreadSafe(true);
          restClientFactoryBean.setInheritHeaders(true);
          restClientFactoryBean.getFeatures().add(new LoggingFeature());
          restClientFactoryBean.setProviders(List.of(
                  new JacksonJsonProvider(JsonMapper.builder().findAndAddModules().build()),
                  new SelfKeymasterClientExceptionMapper()));
          return restClientFactoryBean;
      }
  
      @Conditional(SelfKeymasterCondition.class)
      @Bean
      @ConditionalOnMissingBean(name = "selfConfParamOps")
      public ConfParamOps selfConfParamOps(@Qualifier("selfKeymasterRESTClientFactoryBean")
              final JAXRSClientFactoryBean selfKeymasterRESTClientFactoryBean) {
          return new SelfKeymasterConfParamOps(selfKeymasterRESTClientFactoryBean);
      }
  
      @Conditional(SelfKeymasterCondition.class)
      @Bean
      @ConditionalOnMissingBean(name = "selfServiceOps")
      public ServiceOps selfServiceOps(@Qualifier("selfKeymasterRESTClientFactoryBean")
              final JAXRSClientFactoryBean selfKeymasterRESTClientFactoryBean) {
          return new SelfKeymasterServiceOps(selfKeymasterRESTClientFactoryBean, 5);
      }
  
      @Conditional(SelfKeymasterCondition.class)
      @Bean
      @ConditionalOnMissingBean(name = "domainOps")
      public DomainOps domainOps(@Qualifier("selfKeymasterRESTClientFactoryBean")
              final JAXRSClientFactoryBean selfKeymasterRESTClientFactoryBean) {
          return new SelfKeymasterDomainOps(selfKeymasterRESTClientFactoryBean);
      }
  }