/*******************************************************************************
 * Copyright (c) 2005-2008 Polarion Software.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Alexander Gurov - Initial API and implementation
 *    Thomas Champagne - Bug 217561 : additional date formats for label decorations
 *******************************************************************************/

package org.eclipse.team.svn.ui.info;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
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.Composite;
import org.eclipse.swt.widgets.Control;
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.eclipse.team.core.RepositoryProvider;
import org.eclipse.team.svn.core.IStateFilter;
import org.eclipse.team.svn.core.SVNMessages;
import org.eclipse.team.svn.core.SVNTeamPlugin;
import org.eclipse.team.svn.core.SVNTeamProvider;
import org.eclipse.team.svn.core.connector.SVNConflictDescriptor;
import org.eclipse.team.svn.core.connector.SVNEntryInfo;
import org.eclipse.team.svn.core.connector.SVNLock;
import org.eclipse.team.svn.core.operation.IResourcePropertyProvider;
import org.eclipse.team.svn.core.operation.LoggedOperation;
import org.eclipse.team.svn.core.operation.local.InfoOperation;
import org.eclipse.team.svn.core.operation.local.property.GetPropertiesOperation;
import org.eclipse.team.svn.core.resource.ILocalResource;
import org.eclipse.team.svn.core.utility.SVNUtility;
import org.eclipse.team.svn.ui.SVNUIMessages;
import org.eclipse.team.svn.ui.composite.PropertiesComposite;
import org.eclipse.team.svn.ui.utility.DateFormatter;
import org.eclipse.team.svn.ui.utility.UIMonitorUtility;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.PropertyPage;
import org.eclipse.ui.internal.util.Util;

/**
 * This page allows to view working copy information for local resource
 * 
 * @author Alexander Gurov
 */
public class LocalInfoPage extends PropertyPage {
	protected PropertiesComposite properties;
	
	protected IResource resource;
	protected ILocalResource local;
	 
	protected Button verifyTagButton;
	
	protected boolean isVerifyTagOnCommit;
	
    public LocalInfoPage() {
        super();
    }

    protected Control createContents(Composite parent) {
		Composite composite = new Composite(parent, SWT.NONE);
		GridLayout layout = new GridLayout();
		layout.marginHeight = layout.marginWidth = 0;
		layout.numColumns = 2;
		composite.setLayout(layout);
		GridData data = new GridData(GridData.FILL_HORIZONTAL);
		composite.setLayoutData(data);
		
		this.resource = (IResource)Util.getAdapter(this.getElement(), IResource.class);
		InfoOperation op = new InfoOperation(this.resource);
		UIMonitorUtility.doTaskBusyDefault(op);
		
		this.local = op.getLocal();
		
		if (!(resource instanceof IProject)) {
			this.noDefaultAndApplyButton();	
		}
		
		Label description = new Label(composite, SWT.WRAP);
		description.setLayoutData(new GridData());
		description.setText(SVNUIMessages.LocalInfoPage_LocalPath);
		
		Text content = new Text(composite, SWT.WRAP);
		data = new GridData();
		data.widthHint = 300;
		content.setLayoutData(data);
		content.setEditable(false);
		content.setText(this.resource.getFullPath().toString());
		
		//text status
		description = new Label(composite, SWT.WRAP);
		description.setLayoutData(new GridData());
		description.setText(SVNUIMessages.LocalInfoPage_TextStatus);
		
		content = new Text(composite, SWT.SINGLE);
		content.setLayoutData(new GridData());
		content.setEditable(false);
		content.setText(SVNUtility.getStatusText(this.local.getTextStatus()));

		//property status
		description = new Label(composite, SWT.WRAP);
		description.setLayoutData(new GridData());
		description.setText(SVNUIMessages.LocalInfoPage_PropertyStatus);
		
		content = new Text(composite, SWT.SINGLE);
		content.setLayoutData(new GridData());
		content.setEditable(false);
		content.setText(SVNUtility.getStatusText(this.local.getPropStatus()));
		
		//is copied
		description = new Label(composite, SWT.WRAP);
		description.setLayoutData(new GridData());
		description.setText(SVNUIMessages.LocalInfoPage_Copied);
		
		content = new Text(composite, SWT.SINGLE);
		content.setLayoutData(new GridData());
		content.setEditable(false);
		content.setText(String.valueOf(this.local.isCopied()));		
							
		SVNEntryInfo info = op.getInfo();
		if (IStateFilter.SF_ONREPOSITORY.accept(this.local) && info != null) {
		    // add space
		    new Label(composite, SWT.WRAP);
		    new Label(composite, SWT.WRAP);
		    
			description = new Label(composite, SWT.WRAP);
			description.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING));
			description.setText(SVNUIMessages.LocalInfoPage_ResourceURL);
			
			content = new Text(composite, SWT.WRAP);
			data = new GridData();
			data.widthHint = 300;
			content.setLayoutData(data);
			content.setEditable(false);
			content.setText(SVNUtility.decodeURL(info.url));
					
			description = new Label(composite, SWT.WRAP);
			description.setLayoutData(new GridData());
			description.setText(SVNUIMessages.LocalInfoPage_Revision);
			
			content = new Text(composite, SWT.SINGLE);
			content.setLayoutData(new GridData());
			content.setEditable(false);
			content.setText(String.valueOf(info.revision));

			description = new Label(composite, SWT.WRAP);
			description.setLayoutData(new GridData());
			description.setText(SVNUIMessages.LocalInfoPage_LastChangedAuthor);
			
			content = new Text(composite, SWT.SINGLE);
			content.setLayoutData(new GridData());
			content.setEditable(false);
			content.setText(info.lastChangedAuthor == null ? SVNMessages.SVNInfo_NoAuthor : info.lastChangedAuthor);

			description = new Label(composite, SWT.WRAP);
			description.setLayoutData(new GridData());
			description.setText(SVNUIMessages.LocalInfoPage_LastChangedDate);
			
			content = new Text(composite, SWT.SINGLE);
			content.setLayoutData(new GridData());
			content.setEditable(false);
			content.setText(info.lastChangedDate == 0 ? SVNMessages.SVNInfo_NoDate : DateFormatter.formatDate(info.lastChangedDate));

			description = new Label(composite, SWT.WRAP);
			description.setLayoutData(new GridData());
			description.setText(SVNUIMessages.LocalInfoPage_LastChangedRevision);
			
			content = new Text(composite, SWT.SINGLE);
			content.setLayoutData(new GridData());
			content.setEditable(false);
			content.setText(String.valueOf(info.lastChangedRevision));

			SVNLock lock = info.lock;
			if (lock != null) {
			    // add space
			    new Label(composite, SWT.WRAP);
			    new Label(composite, SWT.WRAP);

				description = new Label(composite, SWT.WRAP);
				description.setLayoutData(new GridData());
				description.setText(SVNUIMessages.LocalInfoPage_LockOwner);
				
				content = new Text(composite, SWT.SINGLE);
				content.setLayoutData(new GridData());
				content.setEditable(false);
				content.setText(lock.owner == null ? SVNMessages.SVNInfo_NoAuthor : lock.owner);

				description = new Label(composite, SWT.WRAP);
				description.setLayoutData(new GridData());
				description.setText(SVNUIMessages.LocalInfoPage_LockComment);
				
				content = new Text(composite, SWT.SINGLE);
				content.setLayoutData(new GridData());
				content.setEditable(false);
				content.setText(lock.comment == null ? SVNMessages.SVNInfo_NoComment : lock.comment);

				description = new Label(composite, SWT.WRAP);
				description.setLayoutData(new GridData());
				description.setText(SVNUIMessages.LocalInfoPage_LockCreationDate);
				
				content = new Text(composite, SWT.SINGLE);
				content.setLayoutData(new GridData());
				content.setEditable(false);
				content.setText(lock.creationDate == 0 ? SVNMessages.SVNInfo_NoAuthor : DateFormatter.formatDate(lock.creationDate));
				if (lock.expirationDate != 0) {
					description = new Label(composite, SWT.WRAP);
					description.setLayoutData(new GridData());
					description.setText(SVNUIMessages.LocalInfoPage_LockExpirationDate);
					
					content = new Text(composite, SWT.SINGLE);
					content.setLayoutData(new GridData());
					content.setEditable(false);
					content.setText(lock.expirationDate == 0 ? SVNMessages.SVNInfo_NoDate : DateFormatter.formatDate(lock.expirationDate));
				}
			}
		}
		
		//tree conflict		
		if (this.local.hasTreeConflict()) {
			//add space
	    	new Label(composite, SWT.WRAP);
	    	new Label(composite, SWT.WRAP);
			description = new Label(composite, SWT.WRAP);
			description.setLayoutData(new GridData());
			description.setText(SVNUIMessages.LocalInfoPage_TreeConflict);
			
			content = new Text(composite, SWT.WRAP);
			data = new GridData();
			data.widthHint = 300;
			content.setLayoutData(data);
			content.setEditable(false);		
			content.setText(this.getTreeConflictDescription(this.local.getTreeConflictDescriptor()));
		}
				
		this.createOptions(composite);
		
		if (IStateFilter.SF_VERSIONED.accept(this.local)) {
			//add space
			new Label(composite, SWT.WRAP);
		    new Label(composite, SWT.WRAP);

		    Composite group = new Composite(composite, SWT.BORDER);
			data = new GridData(GridData.FILL_BOTH);
			data.horizontalSpan = 2;
			group.setLayoutData(data);
			layout = new GridLayout();
			layout.marginHeight = layout.marginWidth = 0;
			group.setLayout(layout);
		    this.properties = new PropertiesComposite(group);
		    IResourcePropertyProvider propertyProvider = new GetPropertiesOperation(resource);
		    UIMonitorUtility.doTaskBusyDefault(propertyProvider);
			this.properties.setResource(this.resource, propertyProvider);
			UIMonitorUtility.doTaskBusyDefault(this.properties.getRefreshViewOperation());
			this.properties.setLayoutData(new GridData(GridData.FILL_BOTH));
		}
		
//		Setting context help
		PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, "org.eclipse.team.svn.help.SVNInfoContext"); //$NON-NLS-1$
		
        return composite;
    }
    
    protected String getTreeConflictDescription(SVNConflictDescriptor conflictDescriptor) {
		String reason;
		String action;
		String operation;
		switch (conflictDescriptor.reason) {
		case SVNConflictDescriptor.Reason.MODIFIED:
			reason = "edit"; //$NON-NLS-1$
			break;
		case SVNConflictDescriptor.Reason.OBSTRUCTED:
			reason = "obstruction"; //$NON-NLS-1$
			break;
		case SVNConflictDescriptor.Reason.DELETED:
			reason = "delete"; //$NON-NLS-1$
			break;		
		case SVNConflictDescriptor.Reason.MISSING:
			reason = "missing"; //$NON-NLS-1$
			break;	
		case SVNConflictDescriptor.Reason.UNVERSIONED:
			reason = "unversioned"; //$NON-NLS-1$
			break;
		case SVNConflictDescriptor.Reason.ADDED:
			reason = "add"; //$NON-NLS-1$
			break;					
		default:
			reason = Integer.toString(conflictDescriptor.reason);
			break;
		}
		switch (conflictDescriptor.action) {
		case SVNConflictDescriptor.Action.MODIFY:
			action = "edit"; //$NON-NLS-1$
			break;
		case SVNConflictDescriptor.Action.ADD:
			action = "add"; //$NON-NLS-1$
			break;
		case SVNConflictDescriptor.Action.DELETE:
			action = "delete"; //$NON-NLS-1$
			break;			
		default:
			action = Integer.toString(conflictDescriptor.action);
			break;
		}
		switch (conflictDescriptor.operation) {
		case SVNConflictDescriptor.Operation.NONE:
			operation = "none"; //$NON-NLS-1$
			break;
		case SVNConflictDescriptor.Operation.UPDATE:
			operation = "update"; //$NON-NLS-1$
			break;
		case SVNConflictDescriptor.Operation.SWITCHED:
			operation = "switch"; //$NON-NLS-1$
			break;	
		case SVNConflictDescriptor.Operation.MERGE:
			operation = "merge"; //$NON-NLS-1$
			break;			
		default:
			operation = Integer.toString(conflictDescriptor.operation);
			break;
		}		
		return SVNUIMessages.format(SVNUIMessages.LocalInfoPage_TreeConflictDescription, new String[]{reason, action, operation});
	}
    
    protected void createOptions(Composite parent) {
    	if (this.resource instanceof IProject) {
			SVNTeamProvider provider = (SVNTeamProvider)RepositoryProvider.getProvider((IProject) this.resource, SVNTeamPlugin.NATURE_ID);
			
			//add space
			new Label(parent, SWT.WRAP);
		    new Label(parent, SWT.WRAP);
		    
			this.verifyTagButton = new Button(parent, SWT.CHECK);
			GridData data = new GridData();
			data.horizontalSpan = 2;
			this.verifyTagButton.setLayoutData(data);
			this.verifyTagButton.setText(SVNUIMessages.LocalInfoPage_VerifyTagModification);
			this.verifyTagButton.addListener(SWT.Selection, new Listener() {
				public void handleEvent(Event event) {
					LocalInfoPage.this.isVerifyTagOnCommit = LocalInfoPage.this.verifyTagButton.getSelection();
				}
			});
			
			this.verifyTagButton.setSelection(this.isVerifyTagOnCommit = provider.isVerifyTagOnCommit());
		}
    }    
    
    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.PreferencePage#performOk()
     */
    @Override
    public boolean performOk() {
    	if (this.resource instanceof IProject) {
    		SVNTeamProvider provider = (SVNTeamProvider) RepositoryProvider.getProvider((IProject) this.resource, SVNTeamPlugin.NATURE_ID);
    		if (this.isVerifyTagOnCommit != provider.isVerifyTagOnCommit()) {
    			try {
    				provider.setVerifyTagOnCommit(this.isVerifyTagOnCommit);
        		} catch (CoreException e) {
        			LoggedOperation.reportError(this.getClass().getName(), e);
        		}
    		}
    	}
    	return true;
    }
    
    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.PreferencePage#performDefaults()
     */
    @Override
    protected void performDefaults() {    	
    	super.performDefaults();
    	
    	this.verifyTagButton.setSelection(this.isVerifyTagOnCommit = SVNTeamProvider.DEFAULT_VERIFY_TAG_ON_COMMIT);
    }

}