package org.argeo.connect.core;
   
   import java.util.Collections;
   import java.util.Map;
   import java.util.SortedMap;
   import java.util.TreeMap;
   
   import javax.jcr.Node;
   import javax.jcr.RepositoryException;
  import javax.jcr.Session;
  
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.argeo.connect.AppService;
  import org.argeo.connect.ConnectException;
  import org.argeo.connect.ServiceRanking;
  import org.argeo.connect.SystemAppService;
  import org.argeo.eclipse.ui.EclipseUiUtils;
  
  public class DynamicSystemAppService extends AbstractAppService implements SystemAppService {
  	private final static Log log = LogFactory.getLog(DynamicSystemAppService.class);
  
  	private SortedMap<ServiceRanking, AppService> knownAppServices = Collections.synchronizedSortedMap(new TreeMap<>());
  	// private List<AppService> knownAppServices = Collections.synchronizedList(new
  	// ArrayList<>());
  
  	public DynamicSystemAppService() {
  		super();
  	}
  
  	@Override
  	public Node publishEntity(Node parent, String nodeType, Node srcNode, boolean removeSrcNode)
  			throws RepositoryException {
  		for (AppService appService : knownAppServices.values()) {
  			if (appService.isKnownType(nodeType))
  				return appService.publishEntity(parent, nodeType, srcNode, removeSrcNode);
  		}
  		return null;
  	}
  
  	@Override
  	public String getAppBaseName() {
  		return OfficeConstants.SUITE_APP_BASE_NAME;
  	}
  
  	@Override
  	public String getBaseRelPath(String nodeType) {
  		for (AppService appService : knownAppServices.values()) {
  			if (appService.isKnownType(nodeType))
  				return appService.getBaseRelPath(nodeType);
  		}
  		return null;
  		// return getAppBaseName();
  	}
  
  	@Override
  	public String getDefaultRelPath(Node entity) throws RepositoryException {
  		for (AppService appService : knownAppServices.values()) {
  			if (appService.isKnownType(entity))
  				return appService.getDefaultRelPath(entity);
  		}
  		return null;
  	}
  
  	@Override
  	public String getMainNodeType(Node node) {
  		for (AppService appService : knownAppServices.values()) {
  			String foundType = appService.getMainNodeType(node);
  			if (EclipseUiUtils.notEmpty(foundType))
  				return foundType;
  		}
  		return null;
  	}
  
  	@Override
  	public String getDefaultRelPath(Session session, String nodetype, String id) {
  		for (AppService appService : knownAppServices.values()) {
  			if (appService.isKnownType(nodetype))
  				return appService.getDefaultRelPath(session, nodetype, id);
  		}
  		return null;
  	}
  
  	/** Insures the correct service is called on save */
  	@Override
  	public Node saveEntity(Node entity, boolean publish) {
  		for (AppService appService : knownAppServices.values()) {
  			if (appService.isKnownType(entity))
  				return appService.saveEntity(entity, publish);
  		}
  		throw new ConnectException("Unknown NodeType for " + entity + ". Cannot save");
  		// return AppService.super.saveEntity(entity, publish);
  	}
  
  	@Override
  	public boolean isKnownType(Node entity) {
  		for (AppService appService : knownAppServices.values()) {
  			if (appService.isKnownType(entity))
  				return true;
 		}
 		return false;
 	}
 
 	@Override
 	public boolean isKnownType(String nodeType) {
 		for (AppService appService : knownAppServices.values()) {
 			if (appService.isKnownType(nodeType))
 				return true;
 		}
 		return false;
 	}
 
 	public void addAppService(AppService appService, Map<String, Object> properties) {
 		knownAppServices.put(new ServiceRanking(properties), appService);
 		if (log.isDebugEnabled())
 			log.debug("Added app service " + appService);
 	}
 
 	public void removeAppService(AppService appService, Map<String, Object> properties) {
 		knownAppServices.remove(new ServiceRanking(properties));
 	}
 }