/*******************************************************************************
 * Copyright (c) 2004, 2008 IBM Corporation and others.
 * 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:
 *     IBM Corporation - initial API and implementation
 *     Markus Schorn (Wind River Systems)
 *******************************************************************************/

/*
 * Created on Oct 4, 2004
 */
package org.eclipse.cdt.core.tests;

import java.io.ByteArrayInputStream;
import java.io.InputStream;

import junit.framework.TestCase;

import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.dom.IPDOMManager;
import org.eclipse.cdt.core.model.ICProject;
import org.eclipse.cdt.core.testplugin.CProjectHelper;
import org.eclipse.cdt.core.testplugin.FileManager;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.NullProgressMonitor;

/**
 * @author aniefer
 */
abstract public class BaseTestFramework extends TestCase {
    static protected NullProgressMonitor	monitor;
    static protected IWorkspace 			workspace;
    static protected IProject 				project;
    static protected ICProject				cproject;
    static protected FileManager 			fileManager;
	static protected boolean				indexDisabled= false;

	static void initProject() {
		if (project != null) {
			return;
		}
        if (CCorePlugin.getDefault() != null && CCorePlugin.getDefault().getCoreModel() != null) {
			//(CCorePlugin.getDefault().getCoreModel().getIndexManager()).reset();
			monitor = new NullProgressMonitor();
			
			workspace = ResourcesPlugin.getWorkspace();
			
	        try {
	            cproject = CProjectHelper.createCCProject("RegressionTestProject", "bin", IPDOMManager.ID_NO_INDEXER); //$NON-NLS-1$ //$NON-NLS-2$
	        
	            project = cproject.getProject();
	            
	            /*project.setSessionProperty(SourceIndexer.activationKey, Boolean.FALSE);
	        	//Set the id of the source indexer extension point as a session property to allow
	    		//index manager to instantiate it
	    		project.setSessionProperty(IndexManager.indexerIDKey, sourceIndexerID);*/
	        } catch (CoreException e) {
	            /*boo*/
	        }
			if (project == null)
				fail("Unable to create project"); //$NON-NLS-1$
	
			//Create file manager
			fileManager = new FileManager();
        }
	}
            
    public BaseTestFramework() {
        super();
    }

    /**
     * @param name
     */
    public BaseTestFramework(String name) {
        super(name);
    }
      
    public void cleanupProject() throws Exception {
        try{
	        project.delete(true, false, monitor);
	    } catch (Throwable e) {
	        /*boo*/
	    } finally {
	    	project= null;
	    }
    }
    
	@Override
	protected void setUp() throws Exception {
		super.setUp();
		initProject();
	}

	protected void tearDown() throws Exception {
        if (project == null || !project.exists())
            return;
        
        IResource [] members = project.members();
        for (int i = 0; i < members.length; i++) {
            if (members[i].getName().equals(".project") || members[i].getName().equals(".cproject")) //$NON-NLS-1$ //$NON-NLS-2$
                continue;
            if (members[i].getName().equals(".settings"))
            	continue;
            try {
                members[i].delete(false, monitor);
            } catch (Throwable e) {
                /*boo*/
            }
        }
	}

    protected IFile importFile(String fileName, String contents) throws Exception {
		// Obtain file handle
		IFile file = project.getProject().getFile(fileName);
		
		InputStream stream = new ByteArrayInputStream(contents.getBytes());
		// Create file input stream
		if (file.exists()) {
		    file.setContents(stream, false, false, monitor);
		} else {
			IPath path = file.getLocation();
			path = path.makeRelativeTo(project.getLocation());
			if (path.segmentCount() > 1) {
				path = path.removeLastSegments(1);
				
				for (int i = path.segmentCount() - 1; i >= 0; i--) {
					IPath currentPath = path.removeLastSegments(i);
					IFolder folder = project.getFolder(currentPath);
					if (!folder.exists()) {
						folder.create(false, true, null);
					}
				}
			}
			file.create(stream, false, monitor);	
		}
		
		fileManager.addFile(file);
		
		return file;
	}
}