package umlhandler.popup.actions;

import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;

import javax.swing.JOptionPane;
import javax.swing.ProgressMonitor;

import org.apache.commons.lang.StringUtils;
import org.apache.http.HttpHost;
import org.apache.http.ParseException;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.Credentials;
import org.apache.http.auth.NTCredentials;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPatch;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.protocol.HttpClientContext;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.WinHttpClients;
import org.apache.http.util.EntityUtils;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourceAttributes;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.papyrus.editor.PapyrusMultiDiagramEditor;
import org.eclipse.papyrus.infra.core.editor.ModelSetServiceFactory;
import org.eclipse.papyrus.infra.core.resource.EditingDomainServiceFactory;
import org.eclipse.papyrus.infra.core.resource.IModel;
import org.eclipse.papyrus.infra.core.resource.ModelSet;
import org.eclipse.papyrus.infra.core.resource.sasheditor.DiModel;
import org.eclipse.papyrus.infra.core.services.ServiceDescriptor;
import org.eclipse.papyrus.infra.core.services.ServiceDescriptor.ServiceTypeKind;
import org.eclipse.papyrus.infra.core.services.ServiceException;
import org.eclipse.papyrus.infra.core.services.ServiceMultiException;
import org.eclipse.papyrus.infra.core.services.ServiceStartKind;
import org.eclipse.papyrus.infra.core.services.ServicesRegistry;
import org.eclipse.papyrus.infra.core.utils.ServiceUtils;
import org.eclipse.papyrus.infra.core.utils.DiResourceSet;
import org.eclipse.papyrus.infra.onefile.model.IPapyrusFile;
import org.eclipse.papyrus.infra.onefile.model.impl.PapyrusFile;
import org.eclipse.papyrus.infra.ui.util.ServiceUtilsForSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Event;
import org.eclipse.papyrus.infra.ui.editor.IMultiDiagramEditor;
import org.eclipse.papyrus.infra.ui.util.ServiceUtilsForActionHandlers;
import org.eclipse.papyrus.infra.ui.util.ServiceUtilsForHandlers;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.uml2.uml.Activity;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Operation;
import org.eclipse.uml2.uml.Parameter;
import org.eclipse.uml2.uml.ParameterDirectionKind;
import org.eclipse.uml2.uml.TemplateParameter;
import org.eclipse.uml2.uml.UMLFactory;
import org.eclipse.uml2.uml.UMLPackage;
import org.eclipse.uml2.uml.internal.operations.TypeOperations;
import org.eclipse.uml2.uml.resource.UMLResource;
import org.json.JSONObject;
import org.eclipse.papyrus.infra.emf.utils.ResourceUtils;
import org.eclipse.papyrus.infra.emf.utils.ServiceUtilsForResourceSet;
import org.eclipse.papyrus.infra.gmfdiag.export.utils.SelectionHelper;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchSite;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.emf.common.notify.Notifier;
import org.eclipse.emf.common.util.TreeIterator;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.emf.ecore.xmi.XMIResource;
import org.eclipse.emf.ecore.xmi.XMLResource;
import org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl;
import org.eclipse.emf.ecore.xmi.impl.XMIResourceImpl;
import org.eclipse.emf.ecore.xmi.impl.XMLResourceFactoryImpl;
import org.eclipse.emf.ecore.xmi.impl.XMLResourceImpl;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.gmf.runtime.notation.NotationPackage;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TreeSelection;
import org.eclipse.ocl.pivot.PivotFactory;
import org.eclipse.ocl.pivot.internal.manager.PivotMetamodelManager;
import org.eclipse.ocl.pivot.internal.utilities.EnvironmentFactoryInternal;
import org.eclipse.ocl.pivot.utilities.EnvironmentFactory;
import org.eclipse.ocl.pivot.utilities.MetamodelManager;
import org.apache.commons.io.FilenameUtils;
import org.eclipse.papyrus.infra.gmfdiag.export.engine.ExportDiagramLocalPageService;
import org.eclipse.papyrus.infra.gmfdiag.export.messages.Messages;
import org.eclipse.papyrus.infra.gmfdiag.export.Activator;

import org.eclipse.papyrus.infra.services.semantic.service.SemanticService;
import org.eclipse.emf.common.util.Diagnostic;
import org.eclipse.papyrus.infra.core.sashwindows.di.service.IPageManager;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.emf.transaction.util.TransactionUtil;
import org.eclipse.uml2.uml.util.UMLUtil.StereotypeApplicationHelper;
import org.eclipse.papyrus.sysml14.activities.ActivitiesPackage;
import org.eclipse.emf.transaction.RecordingCommand;

public class LoadUMLHandler extends AbstractHandler{

	public static List<String> UmlResources = new ArrayList<String>();
	
	
	
	private IFile getPFile(String ext) throws Exception
	{
		IWorkspace workspace = ResourcesPlugin.getWorkspace();
		
		IWorkspaceRoot wsr=workspace.getRoot();
		
		IProject p=workspace.getRoot().getProject();
		IProject[] p1=workspace.getRoot().getProjects();
		IProject p2=wsr.getProject("ASKT");
		IContainer c=p2.getParent();
		try {
			return getFileFromContainer(c, ext);
		} catch (CoreException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		throw new Exception();
	}
	
	private IFile getFileFromContainer(IContainer container, String ext) throws Exception
	{
	   IResource [] members = container.members();

	   for (IResource member : members)
	    {
		   UmlResources.add(member.getName());
		   
		   
	      if (member instanceof IContainer) 
	       {
	    	  IFile f = getFileFromContainer((IContainer)member, ext);
	    	  
	    	  if (f != null)
	    		  return f;
	       }
	      else if (member instanceof IFile)
	       {
	    	  if (member.getFileExtension().equals(ext)) {
	    		  // add UML handler
				  //UmlResources.add(member.getName());
	    		  System.out.println("Found  file: "+member.getFullPath());
	    		  
	    		  return (IFile)member;
	    	  }
	       }
	    }
	   
	   return null;
	}
	
}