/*******************************************************************************
 * Copyright (c) 2005 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.jca.project.facet;

import java.lang.reflect.InvocationTargetException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
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.IProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jem.util.emf.workbench.ProjectUtilities;
import org.eclipse.jem.util.logger.proxy.Logger;
import org.eclipse.jst.common.project.facet.WtpUtils;
import org.eclipse.jst.common.project.facet.core.ClasspathHelper;
import org.eclipse.jst.j2ee.application.ApplicationPackage;
import org.eclipse.jst.j2ee.application.Module;
import org.eclipse.jst.j2ee.application.internal.operations.AddComponentToEnterpriseApplicationDataModelProvider;
import org.eclipse.jst.j2ee.application.internal.operations.AddComponentToEnterpriseApplicationOp;
import org.eclipse.jst.j2ee.application.internal.operations.IAddComponentToEnterpriseApplicationDataModelProperties;
import org.eclipse.jst.j2ee.internal.J2EEConstants;
import org.eclipse.jst.j2ee.internal.common.J2EEVersionUtil;
import org.eclipse.jst.j2ee.jca.modulecore.util.ConnectorArtifactEdit;
import org.eclipse.jst.j2ee.project.facet.IJ2EEFacetInstallDataModelProperties;
import org.eclipse.jst.j2ee.project.facet.IJ2EEModuleFacetInstallDataModelProperties;
import org.eclipse.jst.j2ee.project.facet.J2EEFacetInstallDelegate;
import org.eclipse.wst.common.componentcore.ComponentCore;
import org.eclipse.wst.common.componentcore.datamodel.FacetDataModelProvider;
import org.eclipse.wst.common.componentcore.datamodel.properties.ICreateReferenceComponentsDataModelProperties;
import org.eclipse.wst.common.componentcore.datamodel.properties.IFacetDataModelProperties;
import org.eclipse.wst.common.componentcore.resources.IVirtualComponent;
import org.eclipse.wst.common.componentcore.resources.IVirtualFile;
import org.eclipse.wst.common.componentcore.resources.IVirtualFolder;
import org.eclipse.wst.common.frameworks.datamodel.DataModelFactory;
import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
import org.eclipse.wst.common.frameworks.datamodel.IDataModelOperation;
import org.eclipse.wst.common.project.facet.core.IDelegate;
import org.eclipse.wst.common.project.facet.core.IFacetedProject;
import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion;
import org.eclipse.wst.common.project.facet.core.ProjectFacetsManager;
import org.eclipse.wst.common.project.facet.core.runtime.IRuntime;

public class ConnectorFacetInstallDelegate extends J2EEFacetInstallDelegate implements IDelegate {

	public void execute(IProject project, IProjectFacetVersion fv, Object config, IProgressMonitor monitor) throws CoreException {
		if (monitor != null) {
			monitor.beginTask("", 1); //$NON-NLS-1$
		}

		try {
			IDataModel model = (IDataModel) config;

			final IJavaProject jproj = JavaCore.create(project);

			// Add WTP natures.

			WtpUtils.addNatures(project);

			// Create the directory structure.

			final IWorkspace ws = ResourcesPlugin.getWorkspace();
			final IPath pjpath = project.getFullPath();

			// Setup the flexible project structure.

			final IVirtualComponent c = ComponentCore.createComponent(project);

			c.create(0, null);
			c.setMetaProperty("java-output-path", "/build/classes/"); //$NON-NLS-1$ //$NON-NLS-2$

			final IVirtualFolder root = c.getRootFolder();
			IFolder sourceFolder = null;
			String configFolder = null;
			configFolder = model.getStringProperty(IJ2EEModuleFacetInstallDataModelProperties.CONFIG_FOLDER);
			root.createLink(new Path("/" + configFolder), 0, null); //$NON-NLS-1$
			String configFolderName = model.getStringProperty(IJ2EEModuleFacetInstallDataModelProperties.CONFIG_FOLDER);
			IPath configFolderpath = pjpath.append(configFolderName);
			sourceFolder = ws.getRoot().getFolder(configFolderpath);

			if (!sourceFolder.getFile(J2EEConstants.RAR_DD_URI).exists()) {
				String ver = model.getStringProperty(IFacetDataModelProperties.FACET_VERSION_STR);
				int nVer = J2EEVersionUtil.convertVersionStringToInt(ver);
				ConnectorArtifactEdit.createDeploymentDescriptor(project, nVer);
			}
			
			// add source folder maps
			final IClasspathEntry[] cp = jproj.getRawClasspath();
			for (int i = 0; i < cp.length; i++) {
				final IClasspathEntry cpe = cp[i];
				if (cpe.getEntryKind() == IClasspathEntry.CPE_SOURCE) {
					root.createLink(cpe.getPath().removeFirstSegments(1), 0, null);
				}
			}
			
			IVirtualFile vf = c.getRootFolder().getFile(new Path(J2EEConstants.MANIFEST_URI));
			IFile manifestmf = vf.getUnderlyingFile();
			if (manifestmf == null || !manifestmf.exists()) {
				try {
					createManifest(project, c.getRootFolder().getUnderlyingFolder(), monitor);
				} catch (InvocationTargetException e) {
					Logger.getLogger().logError(e);
				} catch (InterruptedException e) {
					Logger.getLogger().logError(e);
				}
			}

			// Setup the classpath.
			ClasspathHelper.removeClasspathEntries(project, fv);

			if (!ClasspathHelper.addClasspathEntries(project, fv)) {
				// TODO: Support the no runtime case.
				// ClasspathHelper.addClasspathEntries( project, fv, <something> );
			}

			// Associate with an EAR, if necessary.

			final String earProjectName = (String) model.getProperty(IJ2EEModuleFacetInstallDataModelProperties.EAR_PROJECT_NAME);
			if (model.getBooleanProperty(IJ2EEModuleFacetInstallDataModelProperties.ADD_TO_EAR)) {
				if (earProjectName != null && !earProjectName.equals("")) { //$NON-NLS-1$

					String ver = fv.getVersionString();
					String j2eeVersionText = J2EEVersionUtil.convertVersionIntToString
					(J2EEVersionUtil.convertConnectorVersionStringToJ2EEVersionID(ver));
					
					IFacetedProject facetedProject = ProjectFacetsManager.create(project);
					installEARFacet(j2eeVersionText, earProjectName, (IRuntime) model.getProperty(IJ2EEFacetInstallDataModelProperties.FACET_RUNTIME), monitor);

					IProject earProject = ProjectUtilities.getProject(earProjectName);
					IVirtualComponent earComp = ComponentCore.createComponent(earProject);

					final IDataModel dataModel = DataModelFactory.createDataModel(new AddComponentToEnterpriseApplicationDataModelProvider() {
						public Object getDefaultProperty(String propertyName) {
							if (IAddComponentToEnterpriseApplicationDataModelProperties.TARGET_COMPONENTS_TO_URI_MAP.equals(propertyName)) {
								Map map = new HashMap();
								List components = (List) getProperty(TARGET_COMPONENT_LIST);
								for (int i = 0; i < components.size(); i++) {
									IVirtualComponent component = (IVirtualComponent) components.get(i);
									String name = component.getName();
									name += ".rar"; //$NON-NLS-1$
									map.put(component, name);
								}
								return map;
							}
							return super.getDefaultProperty(propertyName);
						}

						public IDataModelOperation getDefaultOperation() {
							return new AddComponentToEnterpriseApplicationOp(model) {
								protected Module createNewModule(IVirtualComponent wc) {
									return ((ApplicationPackage) EPackage.Registry.INSTANCE.getEPackage(ApplicationPackage.eNS_URI)).getApplicationFactory().createConnectorModule();
								}
							};
						}
					});
					dataModel.setProperty(ICreateReferenceComponentsDataModelProperties.SOURCE_COMPONENT, earComp);
					List modList = (List) dataModel.getProperty(ICreateReferenceComponentsDataModelProperties.TARGET_COMPONENT_LIST);
					modList.add(c);
					dataModel.setProperty(ICreateReferenceComponentsDataModelProperties.TARGET_COMPONENT_LIST, modList);
					try {
						dataModel.getDefaultOperation().execute(null, null);
					} catch (ExecutionException e) {
						Logger.getLogger().logError(e);
					}
				}
			}

			try {
				((IDataModelOperation) model.getProperty(FacetDataModelProvider.NOTIFICATION_OPERATION)).execute(monitor, null);
			} catch (ExecutionException e) {
				Logger.getLogger().logError(e);
			}

			if (monitor != null) {
				monitor.worked(1);
			}
		}

		finally {
			if (monitor != null) {
				monitor.done();
			}
		}

	}

}