/**
    * Copyright 2005-2014 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.rice.config;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Properties;
  
  import javax.servlet.ServletContext;
  
  import org.kuali.common.jdbc.project.spring.JdbcPropertyLocationsConfig;
  import org.kuali.common.util.log.LoggerUtils;
  import org.kuali.common.util.properties.Location;
  import org.kuali.common.util.properties.PropertiesLocationService;
  import org.kuali.common.util.properties.PropertiesService;
  import org.kuali.common.util.properties.spring.DefaultPropertiesServiceConfig;
  import org.kuali.common.util.properties.spring.PropertiesLocationServiceConfig;
  import org.kuali.common.util.spring.service.PropertySourceConfig;
  import org.kuali.rice.core.api.config.property.Config;
  import org.kuali.rice.core.api.config.property.ConfigContext;
  import org.kuali.rice.core.api.config.property.ConfigPropertySource;
  import org.kuali.rice.sql.spring.SourceSqlPropertyLocationsConfig;
  import org.kuali.rice.xml.ingest.RiceConfigUtils;
  import org.kuali.rice.xml.spring.IngestXmlPropertyLocationsConfig;
  import org.slf4j.Logger;
  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;
  import org.springframework.core.env.PropertySource;
  
  /**
   * Holds the property source for all of the different properties needed for starting up the KRAD Sample App.
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  @Configuration
  @Import({ KradSampleAppProjectConfig.class, JdbcPropertyLocationsConfig.class, SourceSqlPropertyLocationsConfig.class, IngestXmlPropertyLocationsConfig.class,
  		PropertiesLocationServiceConfig.class, DefaultPropertiesServiceConfig.class })
  public class KradSampleAppPSC implements PropertySourceConfig {
  
  	private static final String KRAD_SAMPLE_APP_CONFIG = "classpath:META-INF/krad-sampleapp-config.xml";
  
  	private static final Logger logger = LoggerUtils.make();
  
  	@Autowired
  	JdbcPropertyLocationsConfig jdbcConfig;
  
  	@Autowired
  	SourceSqlPropertyLocationsConfig sourceSqlConfig;
  
  	@Autowired
  	IngestXmlPropertyLocationsConfig ingestXmlConfig;
  
  	@Autowired
  	PropertiesLocationService locationService;
  
  	@Autowired
  	PropertiesService service;
  
  	@Autowired
  	ServletContext servletContext;
  
  	@Override
  	@Bean
  	public PropertySource<?> propertySource() {
  		// Combine locations making sure Rice properties go in last
  		List<Location> locations = new ArrayList<Location>();
  		locations.addAll(jdbcConfig.jdbcPropertyLocations());
  		locations.addAll(sourceSqlConfig.riceSourceSqlPropertyLocations());
  		locations.addAll(ingestXmlConfig.riceIngestXmlPropertyLocations());
  
  		// Default behavior is load->decrypt->resolve
  		// -Dproperties.resolve=false turns off resolve
  		Properties properties = service.getProperties(locations);
  		logger.info("Loaded {} regular properties", properties.size());
  
  		// Combine normal properties with Rice properties using Rice's custom placeholder resolution logic to resolve everything
  		Config rootCfg = RiceConfigUtils.getRootConfig(properties, KRAD_SAMPLE_APP_CONFIG, servletContext);
  
  		// Make sure ConfigContext.getCurrentContextConfig() return's this rootCfg object
  		ConfigContext.init(rootCfg);
  
  		// Make Spring and Rice use the exact same source for obtaining property values
  		return new ConfigPropertySource("riceConfig", rootCfg);
  	}
 
 }