/*
 *                 Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 *
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2004 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.modules.project.ui.actions;

import java.awt.Image;
import java.beans.PropertyChangeListener;
import java.beans.PropertyVetoException;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import java.util.Map;
import java.util.StringTokenizer;
import java.util.WeakHashMap;
import junit.framework.Assert;
import org.netbeans.api.project.Project;
import org.netbeans.junit.NbTestCase;
import org.netbeans.spi.project.ProjectFactory;
import org.netbeans.spi.project.ProjectState;
import org.openide.filesystems.FileLock;
import org.openide.filesystems.FileObject;
import org.openide.filesystems.FileUtil;
import org.openide.filesystems.LocalFileSystem;
import org.openide.filesystems.Repository;
import org.openide.util.Lookup;
import org.openide.util.lookup.Lookups;
import org.openide.util.lookup.ProxyLookup;

/**
 * Help set up org.netbeans.api.project.*Test.
 * @author Jesse Glick
 */
public final class TestSupport {
    
    public static FileObject createTestProject( FileObject workDir, String name ) throws IOException {
        FileObject p = workDir.createFolder( name );
        p.createFolder( "testproject" );
        return p;
    }
            
    /**
     * Create a testing project factory which recognizes directories containing
     * a subdirectory called "testproject".
     * If that subdirectory contains a file named "broken" then loading the project
     * will fail with an IOException.
     */
    public static ProjectFactory testProjectFactory() {
        return new TestProjectFactory();
    }
    
        
    private static final class TestProjectFactory implements ProjectFactory {
        
        TestProjectFactory() {}
        
        public Project loadProject(FileObject projectDirectory, ProjectState state) throws IOException {
            FileObject testproject = projectDirectory.getFileObject("testproject");
            if (testproject != null && testproject.isFolder()) {
                return new TestProject(projectDirectory, state);
            }
            else {
                return null;
            }
        }
        
        public void saveProject(Project project) throws IOException, ClassCastException {
            TestProject p = (TestProject)project;
            Throwable t = p.error;
            if (t != null) {
                p.error = null;
                if (t instanceof IOException) {
                    throw (IOException)t;
                } else if (t instanceof Error) {
                    throw (Error)t;
                } else {
                    throw (RuntimeException)t;
                }
            }
        }
        
        public boolean isProject(FileObject dir) {
            FileObject testproject = dir.getFileObject("testproject");
            return testproject != null && testproject.isFolder();
        }
        
    }
    
    public static final class TestProject implements Project {
        
        private Lookup lookup;
        private final FileObject dir;
        final ProjectState state;
        Throwable error;
        int saveCount = 0;
        
        public TestProject(FileObject dir, ProjectState state) {
            this.dir = dir;
            this.state = state;
        }
        
        public void setLookup( Lookup lookup ) {
            this.lookup = lookup;
        }
        
        public Lookup getLookup() {
            if ( lookup == null ) {
                return Lookup.EMPTY;
            }
            else {
                return lookup;
            }
        }
        
        public FileObject getProjectDirectory() {
            return dir;
        }
        
        public String toString() {
            return "testproject:" + getProjectDirectory().getNameExt();
        }
        
    }
        
    public static class ChangeableLookup extends ProxyLookup {
        
        public ChangeableLookup( Object[] objects ) {
            super( new Lookup[] { Lookups.fixed( objects ) } );
        }
        
        public void change( Object[] objects ) {
            setLookups( new Lookup[] { Lookups.fixed( objects ) } );                       
        }
                
    }
    
}