package ca.uhn.hl7v2.testpanel.model.conf;
   
   import static org.apache.commons.lang.StringUtils.*;
   
   import java.io.File;
   import java.io.FileOutputStream;
   import java.io.IOException;
   import java.io.OutputStreamWriter;
   import java.io.Writer;
  import java.nio.charset.Charset;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  
  import org.apache.commons.lang.StringUtils;
  import org.slf4j.Logger;
  
  import ca.uhn.hl7v2.conf.ProfileException;
  import ca.uhn.hl7v2.hoh.util.IOUtils;
  import ca.uhn.hl7v2.testpanel.controller.Prefs;
  import ca.uhn.hl7v2.testpanel.model.AbstractModelClass;
  import ca.uhn.hl7v2.testpanel.model.conf.ProfileGroup.Entry;
  
  public class ProfileFileList extends AbstractModelClass {
  
  	private static final Logger ourLog = org.slf4j.LoggerFactory.getLogger(ProfileFileList.class);
  
  	public static final String PROP_FILES = ProfileFileList.class.getName() + "_FILES";
  
  	private HashMap<String, ProfileGroup> myIdToProfileGroups;
  
  	private List<ProfileGroup> myProfileGroups = new ArrayList<ProfileGroup>();
  
  	private TableFileList myTableFileList;
  
  	public ProfileFileList(TableFileList theTableFileList) {
  		myTableFileList = theTableFileList;
  		
  		myProfileGroups = Prefs.getOpenProfiles();
  		for (ProfileGroup nextGroup : myProfileGroups) {
  			for (Entry nextEntry : nextGroup.getEntries()) {
  				nextEntry.setParentProfileGroup(nextGroup);
  			}
  		}
  	}
  
  	public void addNewFile(File theFile) throws IOException, ProfileException {
  		ProfileProxy file = ProfileProxy.loadFromFile(theFile);
  		myProfileGroups.add(new ProfileGroup(file));
  		myIdToProfileGroups = null;
  
  		firePropertyChange(PROP_FILES, null, null);
  
  		updatePrefs();
  	}
  
  	@Override
  	public Object exportConfigToXml() {
  		return null;
  	}
  
  	/**
  	 * @return Returns null if not found
  	 */
  	public ProfileGroup getProfile(String theProfileId) {
  		initIdToProfileGroups();
  		return myIdToProfileGroups.get(theProfileId);
  	}
  
  	private void initIdToProfileGroups() {
  		if (myIdToProfileGroups == null) {
  			myIdToProfileGroups = new HashMap<String, ProfileGroup>();
  			for (ProfileGroup next : myProfileGroups) {
  				myIdToProfileGroups.put(next.getId(), next);
  			}
  		}
  	}
  
  	/**
  	 * @return the tableFiles
  	 */
  	public List<ProfileGroup> getProfiles() {
  		return myProfileGroups;
  	}
  
  	public void newProfileGroup(String theName) {
  		myProfileGroups.add(new ProfileGroup(theName));
  		myIdToProfileGroups = null;
  		firePropertyChange(PROP_FILES, null, null);
  	}
  
  	public void removeProfile(ProfileProxy theSelectedFileOrTable) {
  		myProfileGroups.remove(theSelectedFileOrTable);
  		myIdToProfileGroups = null;
  		firePropertyChange(PROP_FILES, null, null);
  	}
  
  	public void removeProfileGroup(ProfileGroup theSel) {
  		myProfileGroups.remove(myProfileGroups.indexOf(theSel));
 		myIdToProfileGroups = null;
 		firePropertyChange(PROP_FILES, null, null);
 	}
 
 	public void updatePrefs() {
 		ourLog.info("Flushing profile files to preferences");
 		Prefs.getInstance().setOpenProfiles(myProfileGroups, myTableFileList);
 	}
 
 	public void importFile(ProfileGroup theProfileGroup) {
 		myProfileGroups.add(theProfileGroup);
 		firePropertyChange(PROP_FILES, null, null);
 		updatePrefs();
 	}
 
 //	public void dumpImportedToWorkDirectory(File theDirectory) {
 //		initIdToProfileGroups();
 //		
 //		IOUtils.deleteAllFromDirectory(theDirectory);
 //
 //		ourLog.info("Flushing work files to directory: " + theDirectory.getAbsolutePath());
 //		
 //		int index = 0;
 //		for (ProfileGroup next : myIdToProfileGroups.values()) {
 //			if (isBlank(next.getSourceUrl())) {
 //				continue;
 //			}
 //			
 //			index++;
 //			String seq = StringUtils.leftPad(Integer.toString(index), 10, '0');
 //
 //			File nextFile = new File(theDirectory, next.getId() + "-" + seq + ".xml");
 //
 //			Writer nextWriter;
 //			try {
 //				nextWriter = new OutputStreamWriter(new FileOutputStream(nextFile), Charset.forName("UTF-8"));
 //				nextWriter.append(next.exportConfigToXml());
 //				nextWriter.close();
 //			} catch (IOException e) {
 //				ourLog.error("Failed to export profile group to file: " + nextFile.getAbsolutePath(), e);
 //			}
 //		
 //		} // for
 //
 //	}
 
 }