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>();
	
	
	@Override
	public Object execute(ExecutionEvent event) throws ExecutionException {
		//GOOD!!!
		IStructuredSelection selection = (IStructuredSelection) HandlerUtil.getCurrentSelection(event);
		
        Object firstElement = selection.getFirstElement();
        if (firstElement instanceof ModelSet) {
            ModelSet modelSet=(ModelSet)firstElement;
            
            System.out.println("AAA");
          }
        if (firstElement instanceof IAdaptable)
        {            
            IFile f = (IFile)((IAdaptable)firstElement).getAdapter(IFile.class);
            
            System.out.println("Project name: "+ FilenameUtils.removeExtension(f.getName()));
            System.out.println("Full path: "+Paths.get(f.getRawLocation().makeAbsolute().toString()).getParent().toString());
            try {
				GetDiagrams(f);
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}         
        	catch (Exception e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
        }	
              
		return null;		
	}	
		
	//https://stackoverflow.com/questions/28430303/how-to-export-a-gmf-diagram-outside-eclipse
	private void GetDiagrams(IFile projectFile) throws Exception {
		// TODO Auto-generated method stub
		String projectPath = Paths.get(projectFile.getRawLocation().makeAbsolute().toString()).getParent().toString();
		String projectName = FilenameUtils.removeExtension(projectFile.getName());
		
		
		File uml = /*(File)getPFile("uml");*/new File(projectPath+"\\"+projectName+".uml"/*"D:\\Code\\Papirus_Research\\ASKT\\ASKT.uml"*/);
	    File di = /*(File)getPFile("di");//*/new File(projectPath+"\\"+projectName+".di"/*"D:\\Code\\Papirus_Research\\ASKT\\ASKT.di"*/);
	    File notation = /*(File)getPFile("notation");//*/new File(projectPath+"\\"+projectName+".notation"/*"D:\\Code\\Papirus_Research\\ASKT\\ASKT.notation"*/);
	    
	    
	    URI umlUri = URI.createFileURI(uml.getAbsolutePath());
	    URI diUri = URI.createFileURI(di.getAbsolutePath());
	    URI notationUri = URI.createFileURI(notation.getAbsolutePath());

	    final ModelSet resourceSet = new ModelSet();
	    
	    resourceSet.getPackageRegistry().put(UMLPackage.eNS_URI, UMLPackage.eINSTANCE);
	    resourceSet.getPackageRegistry().put(NotationPackage.eNS_URI, NotationPackage.eINSTANCE);

	    resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().put(Resource.Factory.Registry.DEFAULT_EXTENSION, new XMIResourceFactoryImpl());
	    resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().put("notation", new XMIResourceFactoryImpl());
	    resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().put(UMLResource.FILE_EXTENSION, UMLResource.Factory.INSTANCE);

	    try {
	        resourceSet.getLoadOptions().put(XMLResource.OPTION_DEFER_IDREF_RESOLUTION, true);
	        resourceSet.getLoadOptions().put(XMLResource.OPTION_DEFER_ATTACHMENT, true);

	        resourceSet.getResource(diUri, true);
	        resourceSet.getResource(umlUri, true);
	        resourceSet.getResource(notationUri, true);
	        
	        List<Diagram> diagrams = new ArrayList<Diagram>();
	        List<Activity> activitis = new ArrayList<Activity>();
	        TreeIterator<Notifier> contents = resourceSet.getAllContents();
	        for (Iterator<Notifier> i = contents; i.hasNext();) {
	            Notifier n = i.next();
	            if (n instanceof Diagram) {
	                diagrams.add((Diagram) n);
	            }
	            
	            if (n instanceof Activity) {
	            	activitis.add((Activity) n);
	            	
	            	//MetamodelManager mm ;//= PivotUtil.();
	            	
	            	Activity activity = (Activity) n;
	            	System.out.println("---");
	            	activity.createOwnedParameterSet("123");//!!!!!!!
	            }
	        }
	        
	        //!!!!!!!!!!!!nullpointerexception
	        //resourceSet.save(new NullProgressMonitor());
	        //resourceSet.save(null);
	        
	        JOptionPane.showMessageDialog(null, "!!! ", "UML Handler: ", JOptionPane.INFORMATION_MESSAGE);
	        
	        //export(diagrams);
	    } finally {
	        // Unload the resource set so that we don't leak loads of UML content in the CacheAdapter
	        //unload(resourceSet);
	    }
	    
	}

	
}