package org.eclipse.epf.toolbox.actions;

import java.util.List;
import java.util.Set;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.epf.common.CommonPlugin;
import org.eclipse.epf.diagram.core.DiagramCorePlugin;
import org.eclipse.epf.diagram.core.services.DiagramHelper;
import org.eclipse.epf.diagram.core.services.DiagramManager;
import org.eclipse.epf.library.LibraryService;
import org.eclipse.epf.library.edit.util.IDiagramManager;
import org.eclipse.epf.services.Services;
import org.eclipse.epf.services.ILibraryPersister.FailSafeMethodLibraryPersister;
import org.eclipse.epf.toolbox.ToolboxPlugin;
import org.eclipse.epf.toolbox.libutil.LibUtil;
import org.eclipse.epf.uma.Activity;
import org.eclipse.epf.uma.MethodLibrary;
import org.eclipse.epf.uma.Process;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;

public class ConvertTosynFree implements IWorkbenchWindowActionDelegate {

	private static boolean debug = ToolboxPlugin.getDefault().isDebugging();
	
	public void dispose() {
		// TODO Auto-generated method stub

	}

	public void init(IWorkbenchWindow window) {
		// TODO Auto-generated method stub

	}

	public void run(IAction action) {
		if (debug) {
			System.out.println("");
			System.out.println("LD> Begin: ConvertTosynFree.run()");
		}
		MethodLibrary lib = LibraryService.getInstance().getCurrentMethodLibrary();
		
//		Converstion test		
//		SynFreeProcessConverter converter = new SynFreeProcessConverter();	
//		converter.convertLibrary(lib);
		
//		Diagram clean-up test
		Set<Process> processes = LibUtil.collectProcesses(lib);
		for (Process proc : processes) {
			System.out.println("LD> proc: " + proc);
			DiagramManager mgr = DiagramManager.getInstance(proc, this);
			
			for (Activity act : LibUtil.collectActivities(proc)) {

				if (act.getName().equals("fi_Provide Input to RFQ")) {
					System.out.println("LD> act: " + act);
					try {
						List<Diagram> diagrams = mgr.getDiagrams(act,
								IDiagramManager.ACTIVITY_DIAGRAM);
						Resource resource = null;
						boolean toDelete = false;
						for (Diagram diagram : diagrams) {
							if (toDelete) {
								DiagramHelper.deleteDiagram(diagram, false);
							} else {
								resource = diagram.eResource();
								toDelete = true;
							}
						}
						
						FailSafeMethodLibraryPersister persister = Services
								.getLibraryPersister(
										Services.XMI_PERSISTENCE_TYPE)
								.getFailSafePersister();
						try {
							persister.save(resource);
							persister.commit();
						} catch (Exception e) {
							CommonPlugin.getDefault().getLogger().logError(e);
							persister.rollback();
							throw new CoreException(new Status(IStatus.ERROR,
									DiagramCorePlugin.PLUGIN_ID, 1, e
											.getLocalizedMessage(), null));
						}
						
						
					} catch (Exception e) {
						e.printStackTrace();
					}
					break;
				}
			}
			System.out.println("");
		}
		
		if (debug) {
			System.out.println("LD> End: ConvertTosynFree.run()");
		}
	}

	public void selectionChanged(IAction action, ISelection selection) {
		// TODO Auto-generated method stub

	}

}