/**
    * Copyright 2010-2014 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.common.util.properties.spring;
  
  import java.util.Properties;
  
  import org.kuali.common.util.PropertyUtils;
  import org.kuali.common.util.enc.EncContext;
  import org.kuali.common.util.project.model.Project;
  import org.kuali.common.util.project.spring.AutowiredProjectConfig;
  import org.kuali.common.util.properties.DefaultPropertiesService;
  import org.kuali.common.util.properties.PropertiesService;
  import org.kuali.common.util.property.ImmutableProperties;
  import org.kuali.common.util.property.processor.JasyptDecryptingProcessor;
  import org.kuali.common.util.property.processor.OverridingProcessor;
  import org.kuali.common.util.property.processor.ProcessorsProcessor;
  import org.kuali.common.util.property.processor.PropertyProcessor;
  import org.kuali.common.util.property.processor.ResolvingProcessor;
  import org.kuali.common.util.spring.env.BasicEnvironmentService;
  import org.kuali.common.util.spring.env.EnvironmentService;
  import org.kuali.common.util.spring.service.SpringServiceConfig;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.context.annotation.Import;
  
  /**
   * @deprecated
   */
  @Deprecated
  @Configuration
  @Import({ SpringServiceConfig.class, AutowiredProjectConfig.class })
  public class DefaultPropertiesServiceConfig implements PropertiesServiceConfig {
  
  	@Autowired
  	Project project;
  
  	@Autowired
  	EnvironmentService env;
  
  	@Override
  	@Bean
  	public PropertiesService propertiesService() {
  		Properties overrides = getOverrides(project);
  		PropertyProcessor processor = getPostProcessor(overrides);
  		return new DefaultPropertiesService(overrides, processor);
  	}
  
  	private Properties getOverrides(Project project) {
  		// Get a reference to system + environment properties
  		Properties global = PropertyUtils.getGlobalProperties();
  
  		// Setup a properties object where system properties "win" over project properties
  		return ImmutableProperties.copyOf(PropertyUtils.combine(project.getProperties(), global));
  	}
  
  	private PropertyProcessor getPostProcessor(Properties overrides) {
  		EnvironmentService env = new BasicEnvironmentService(overrides);
  		EncContext context = EncContext.builder(env).removeSystemProperties(false).build();
  		PropertyProcessor override = new OverridingProcessor(overrides);
  		PropertyProcessor decrypt = new JasyptDecryptingProcessor(context.getTextEncryptor());
  		PropertyProcessor resolver = new ResolvingProcessor();
  		return new ProcessorsProcessor(override, decrypt, resolver);
  	}
  
  }