/*******************************************************************************
 * Copyright (c) 2003, 2004 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
 *******************************************************************************/
package org.eclipse.jst.j2ee.internal.deployables;

import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jem.util.logger.proxy.Logger;
import org.eclipse.jst.server.core.IJ2EEModule;
import org.eclipse.wst.common.componentcore.ModuleCoreNature;
import org.eclipse.wst.common.componentcore.internal.StructureEdit;
import org.eclipse.wst.common.componentcore.resources.ComponentHandle;
import org.eclipse.wst.common.componentcore.resources.IVirtualComponent;
import org.eclipse.wst.server.core.IModuleType;
import org.eclipse.wst.server.core.model.IModuleResource;
import org.eclipse.wst.server.core.util.ProjectModule;

/**
 * J2EE deployable superclass.
 */
public abstract class J2EEFlexProjDeployable extends ProjectModule implements IJ2EEModule {
	private String factoryId;
    protected IVirtualComponent component = null;
    private boolean outputMembersAdded = false;


	/**
	 * Constructor for J2EEFlexProjDeployable.
	 * 
	 * @param project
	 */
	public J2EEFlexProjDeployable(IProject project, String aFactoryId, IVirtualComponent aComponent) {
		super(project);
		factoryId = aFactoryId;
		component = aComponent;
	}

	public String getJ2EESpecificationVersion() {
		return "1.2";  //$NON-NLS-1$
	}

	/*
	 * @see IJ2EEModule#getLocation()
	 */
	public IPath getLocation() {
		
		IPath path = null;
	       if ( ModuleCoreNature.getModuleCoreNature(project) != null ) {  
        	if( component != null ){
        		IFolder outputContainer = StructureEdit.getOutputContainerRoot(component);
        		path = outputContainer.getRawLocation();
        	}
        }    
	
		return path;

	}
	

	/*
	 * @see IModule#getFactoryId()
	 */
	public String getFactoryId() {
		return factoryId;
	}


	/**
	 * @see com.ibm.etools.server.j2ee.IJ2EEModule#isBinary()
	 */
	public boolean isBinary() {
		return false;
	}

	public String getModuleTypeName() {
		return getName();
	}

	public String getModuleTypeVersion() {
		return getVersion();
	}
	public ComponentHandle getComponentHandle() {
		return component.getComponentHandle();
	}

	public String getVersion() {
		return "1.2"; //$NON-NLS-1$
	}

	public String getType() {
		return "j2ee.ear"; //$NON-NLS-1$
	}

	public IModuleType getModuleType() {
		return new IModuleType() {

			public String getId() {
				return getType();
			}

			public String getName() {
				return getModuleTypeName();
			}

			public String getVersion() {
				return getModuleTypeVersion();
			}
		};

	}
    public IModuleResource[] members() throws CoreException {
        outputMembersAdded = false;
        return super.members();
    }

	public IPath getRootFolder() {		   
		IPath path = null;
	       if ( ModuleCoreNature.getModuleCoreNature(project) != null ) {  
     	if( component != null ){
     		IFolder outputContainer = StructureEdit.getOutputContainerRoot(component);
     		path = outputContainer.getProjectRelativePath();
     	}
     }    
		return path;
	}
    
    protected IContainer getContainerResource(IResource resource){
        if(resource instanceof IFolder) {
            IJavaElement element =JavaCore.create((IFolder)resource);
            if (element != null && element.getElementType() == IJavaElement.PACKAGE_FRAGMENT_ROOT)
                //means this is a source folder add output once and only once
                return addOutputFolderIfNecessary(element);
        }
        return (IContainer)resource;
    }
    
    private IContainer addOutputFolderIfNecessary(IJavaElement je) {
        if(!outputMembersAdded){
            outputMembersAdded = true;
            IPath javaOutputPath = null;
            try {
                if (je.getElementType() == IJavaElement.PACKAGE_FRAGMENT_ROOT) {
                    IPackageFragmentRoot root = (IPackageFragmentRoot) je;
                    if (root.getKind() == IPackageFragmentRoot.K_SOURCE) {
                        IClasspathEntry ce = root.getRawClasspathEntry();
                        javaOutputPath = ce.getOutputLocation();
                        javaOutputPath = javaOutputPath.removeFirstSegments(1);
                        return getProject().getFolder(javaOutputPath);
                    }
                }
            } catch (JavaModelException e) {
                Logger.getLogger().log(e.getMessage());
            }
        }
        return null;
    }

}