package org.eparapher.rcp.wizards;

import org.apache.log4j.Logger;
import org.eclipse.jface.wizard.IWizardPage;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Text;
import org.eparapher.core.signature.XMLSignatureParameters;
import org.eparapher.rcp.tools.GUIIcons;
import org.eparapher.rcp.tools.eParapherTools;

public class XMLSigningWizardPageThree extends WizardPage implements IWizardPage, Listener {

	private static Logger log = Logger.getLogger(XMLSigningWizardPageThree.class);
	
		private Button insertCRLs;
		private Button insertTS;
		private Button overwriteoriginal;
		private Button dtdValidation;

		private Combo format;
		private Combo canonical;
		private Combo transform;
		private Combo sigAlg;
		private Combo sigDigest;

		private Text objectID;
		
		private Composite container;
		
		private XMLSignatureParameters xmlsignatureparams;
		
		public XMLSigningWizardPageThree(XMLSignatureParameters xmlsignparams) {
			super("XML DSig Signing");
			setTitle("XML DSig Wizard 3/3");
			setDescription("Please select your XML DSig signature settings.");
			setImageDescriptor( GUIIcons.WIZARD_SIGN_IMG );
			xmlsignatureparams = xmlsignparams;
		}

		public void createControl(Composite parent) {
			container = new Composite(parent, SWT.FILL);
			container.setLayout(new GridLayout(2,true));
			
			//parent.setLayout(new GridLayout(2,true));
			
			Label labelFormat = new Label(container, SWT.NULL);
			labelFormat.setText("Signature Format : ");
			labelFormat.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
			format = new Combo(container, SWT.READ_ONLY |SWT.BORDER);
			format.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));
			format.setItems(eParapherTools.getLabel4Combo(xmlsignatureparams.XMLSigFormatFamilies));
			format.select(xmlsignatureparams.getFormatAsInt());
			format.addListener(SWT.Selection, this);

			Label labelTransform = new Label(container, SWT.NULL);
			labelTransform.setText("XML Doc Transform : ");
			labelTransform.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
			transform = new Combo(container, SWT.READ_ONLY |SWT.BORDER);
			transform.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));
			transform.setItems(eParapherTools.getLabel4Combo(xmlsignatureparams.XMLTransformFamilies));
			transform.select(xmlsignatureparams.getTransformAsInt());
			

			Label labelCanonical = new Label(container, SWT.NULL);
			labelCanonical.setText("XML Doc Canonical : ");
			labelCanonical.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
			canonical = new Combo(container, SWT.READ_ONLY |SWT.BORDER);
			canonical.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));
			canonical.setItems(eParapherTools.getLabel4Combo(xmlsignatureparams.XMLCanonicalFamilies));
			canonical.select(xmlsignatureparams.getCanonicalAsInt());

			Label labelDigest = new Label(container, SWT.NULL);
			labelDigest.setText("Digest algorithm : ");
			labelDigest.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
			sigDigest = new Combo(container, SWT.READ_ONLY |SWT.BORDER);
			sigDigest.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));
			sigDigest.setItems(eParapherTools.getLabel4Combo(xmlsignatureparams.XMLHashAlgFamilies));
			sigDigest.select(xmlsignatureparams.getDigestAlgAsInt());

			Label labelSigAlg = new Label(container, SWT.NULL);
			labelSigAlg.setText("Signature algorithm : ");
			labelSigAlg.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
			sigAlg = new Combo(container, SWT.READ_ONLY |SWT.BORDER);
			sigAlg.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));
			sigAlg.setItems(eParapherTools.getLabel4Combo(xmlsignatureparams.XMLSigAlgFamilies));
			sigAlg.select(xmlsignatureparams.getSignatureAlgAsInt());
			
			Label labelOverwrite = new Label(container, SWT.NULL);
			labelOverwrite.setText("Overwrite xml source file.");
			labelOverwrite.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
			overwriteoriginal = new Button(container, SWT.CHECK);
			overwriteoriginal.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));
			overwriteoriginal.setToolTipText("Overwrite xml file ");
			overwriteoriginal.setSelection(xmlsignatureparams.isOverwritesignedfile());
			
			Label labelDTDValidation = new Label(container, SWT.NULL);
			labelDTDValidation.setText("Enable DTD Validation.");
			labelDTDValidation.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
			labelDTDValidation.setEnabled(true);
			dtdValidation = new Button(container, SWT.CHECK);
			dtdValidation.setToolTipText("Enable DTD download for XML Document syntax verification");
			dtdValidation.setSelection (xmlsignatureparams.isDTDValidation());
			dtdValidation.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));
			dtdValidation.setEnabled(true);
			
			Label labelInsertCRL = new Label(container, SWT.NULL);
			labelInsertCRL.setText("Insert CRL in signature.");
			labelInsertCRL.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
			labelInsertCRL.setEnabled(false);
			insertCRLs = new Button(container, SWT.CHECK);
			insertCRLs.setToolTipText("Insert CRL to improve signature quality");
			insertCRLs.setSelection (xmlsignatureparams.isInsertCRLs());
			insertCRLs.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));
			insertCRLs.setEnabled(false);
			
			Label labelInsertTimestamp = new Label(container, SWT.NULL);
			labelInsertTimestamp.setText("Insert Timestamp in signature.");
			labelInsertTimestamp.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
			labelInsertTimestamp.setEnabled(false);
			insertTS = new Button(container, SWT.CHECK);
			insertTS.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));
			insertTS.setToolTipText("Insert Timestamp to improve signature quality");
			insertTS.setSelection(xmlsignatureparams.isInsertTimestamp());
			insertTS.setEnabled(false);
			
			Label labelLocation = new Label(container, SWT.NULL);
			labelLocation.setText("ObjectID : ");
			labelLocation.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
			labelLocation.setEnabled(false);
			objectID = new Text(container, SWT.BORDER | SWT.SINGLE);
			objectID.setText(xmlsignatureparams.getObjectIds());
			//objectID.addKeyListener( new KeyListenerValidator() );
			objectID.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
			objectID.setEnabled(false);
			
			// Required to avoid an error in the system
			setControl(container);
			setPageComplete(true);
		}

		/**
		 * @see Listener#handleEvent(Event)
		 */
		public void handleEvent(Event event) {
		    
		    if ((event.widget == format)) {
	    		log.debug("Signature format selected : " + XMLSignatureParameters.XMLSigFormatFamilies[format.getSelectionIndex()][1]);
		    	if ( format.getSelectionIndex() == 2 ) {
		    		objectID.setEnabled(true);
		    	} else {
		    		objectID.setEnabled(false);
		    	}
		    	if (format.getSelectionIndex() == 1) {
		    		transform.setEnabled(true);
				} else {
					transform.setEnabled(false);
				}
		    	if (format.getSelectionIndex() == 0) {
		    		overwriteoriginal.setEnabled(true);
				} else {
					overwriteoriginal.setEnabled(false);
				}
		    }

		    setPageComplete(isPageComplete());
		}
		public int getSignatureFormat() {
			return format.getSelectionIndex();
		}

		public String getXMLTransform() {
			return xmlsignatureparams.XMLTransformFamilies[transform.getSelectionIndex()][1];
		}

		public String getXMLCanonical() {
			return xmlsignatureparams.XMLCanonicalFamilies[canonical.getSelectionIndex()][1];
		}

		public String getDigestAlg() {
			return xmlsignatureparams.XMLHashAlgFamilies[sigDigest.getSelectionIndex()][1];
		}

		public String getSignatureAlg() {
			return xmlsignatureparams.XMLSigAlgFamilies[sigAlg.getSelectionIndex()][1];
		}
		
		public boolean isCRLsInSignature() {
			return insertCRLs.getSelection();
		}

		public boolean isTSInSignature() {
			return insertTS.getSelection();
		}

		public boolean isOverwriteOriginalFile() {
			return overwriteoriginal.getSelection();
		}
		
		public boolean isDTDValidation() {
			return dtdValidation.getSelection();
		}
		
		public String getObjectID() {
			return objectID.getText();
		}
}