/**
    * 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.deploy.spring;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.kuali.common.deploy.env.model.DeployEnvironment;
  import org.kuali.common.deploy.env.spring.DefaultDeployEnvironmentConfig;
  import org.kuali.common.deploy.env.spring.DeployEnvironmentConfig;
  import org.kuali.common.deploy.project.DeployProjectConstants;
  import org.kuali.common.jdbc.project.spring.JdbcProjectConfig;
  import org.kuali.common.jdbc.project.spring.JdbcPropertyLocationsConfig;
  import org.kuali.common.util.Assert;
  import org.kuali.common.util.Mode;
  import org.kuali.common.util.project.ProjectService;
  import org.kuali.common.util.project.ProjectUtils;
  import org.kuali.common.util.project.model.Project;
  import org.kuali.common.util.project.model.ProjectIdentifier;
  import org.kuali.common.util.project.spring.AutowiredProjectConfig;
  import org.kuali.common.util.project.spring.ProjectServiceConfig;
  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.property.PropertyFormat;
  import org.kuali.common.util.spring.PropertySourceUtils;
  import org.kuali.common.util.spring.service.PropertySourceConfig;
  import org.kuali.rice.deploy.RiceDeployProjectConstants;
  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;
  
  @Configuration
  @Import({ JdbcProjectConfig.class, JdbcPropertyLocationsConfig.class, DefaultPropertiesServiceConfig.class, PropertiesLocationServiceConfig.class, AutowiredProjectConfig.class,
  		DefaultDeployEnvironmentConfig.class, ProjectServiceConfig.class })
  public class DeployPSC implements PropertySourceConfig {
  
  	private static final ProjectIdentifier DEPLOY = DeployProjectConstants.ID;
  
  	@Autowired
  	JdbcPropertyLocationsConfig jdbc;
  
  	@Autowired
  	PropertiesService service;
  
  	@Autowired
  	PropertiesLocationService locationService;
  
  	@Autowired
  	Project project;
  
  	@Autowired
  	ProjectService projectService;
  
  	@Autowired
  	DeployEnvironmentConfig deployEnvConfig;
  
  	@Override
  	@Bean
  	public PropertySource<?> propertySource() {
  
  		DeployEnvironment deployEnv = deployEnvConfig.deployEnvironment();
  
  		// Generic jdbc locations
  		List<Location> jdbcLocations = jdbc.jdbcPropertyLocations();
  
  		// Pull in configuration specific to this branch of Rice
  		Location branchLoc = getOptionalLocation(RiceDeployProjectConstants.ID, "deploy.properties");
  
  		// Extract the group code
  		String groupCode = project.getProperties().getProperty("project.groupId.code");
  		Assert.noBlanks(groupCode);
  
  		// Pull in configuration specific to this Rice application
  		Location appLoc = getOptionalLocation(DEPLOY, groupCode + "/" + project.getArtifactId() + ".properties");
  
  		// Pull in configuration specific to the environment we are deploying to
  		Location envLoc = getOptionalLocation(DEPLOY, groupCode + "/" + deployEnv.getName() + ".properties");
  
  		// Combine them making sure Rice properties go in last
  		List<Location> locations = new ArrayList<Location>();
  		locations.addAll(jdbcLocations);
 		locations.addAll(getKualiDeployLocs());
 		locations.add(branchLoc);
 		locations.add(appLoc);
 		locations.add(envLoc);
 		return PropertySourceUtils.getPropertySource(service, locations);
 	}
 
 	protected Location getOptionalLocation(ProjectIdentifier pid, String filename) {
 		String value = ProjectUtils.getClasspathPrefix(pid) + "/" + filename;
 		Project project = projectService.getProject(pid);
 		String encoding = ProjectUtils.getEncoding(project);
 		return new Location(value, encoding, Mode.INFORM, PropertyFormat.NORMAL, true);
 
 	}
 
 	protected List<Location> getKualiDeployLocs() {
 		List<Location> locs = new ArrayList<Location>();
 		locs.add(getKualiDeployLoc("common.properties"));
 		locs.add(getKualiDeployLoc("appdynamics.properties"));
 		locs.add(getKualiDeployLoc("aws.properties"));
 		locs.add(getKualiDeployLoc("tomcat.properties"));
 		locs.add(getKualiDeployLoc("db.properties"));
 		locs.add(getKualiDeployLoc("rice/common.properties"));
 		locs.add(getKualiDeployLoc("rice/db.properties"));
 		locs.add(getKualiDeployLoc("rice/aws.properties"));
 		locs.add(getKualiDeployLoc("rice/appdynamics.properties"));
 		return locs;
 	}
 
 	protected Location getKualiDeployLoc(String filename) {
 		return locationService.getLocation(DEPLOY, filename);
 	}
 
 }