/*******************************************************************************
 * Copyright (c) 2003, 2007 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.web.archive.operations;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Set;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.jst.j2ee.application.internal.operations.J2EEComponentImportDataModelProvider;
import org.eclipse.jst.j2ee.application.internal.operations.J2EEUtilityJarImportDataModelProvider;
import org.eclipse.jst.j2ee.datamodel.properties.IJ2EEComponentImportDataModelProperties;
import org.eclipse.jst.j2ee.internal.J2EEConstants;
import org.eclipse.jst.j2ee.internal.J2EEVersionConstants;
import org.eclipse.jst.j2ee.internal.archive.ArchiveWrapper;
import org.eclipse.jst.j2ee.internal.common.J2EEVersionUtil;
import org.eclipse.jst.j2ee.internal.common.XMLResource;
import org.eclipse.jst.j2ee.internal.project.J2EEProjectUtilities;
import org.eclipse.jst.j2ee.project.facet.IJ2EEFacetConstants;
import org.eclipse.jst.j2ee.project.facet.IJ2EEFacetInstallDataModelProperties;
import org.eclipse.jst.j2ee.project.facet.IJ2EEFacetProjectCreationDataModelProperties;
import org.eclipse.jst.j2ee.web.datamodel.properties.IWebComponentImportDataModelProperties;
import org.eclipse.jst.j2ee.web.project.facet.IWebFacetInstallDataModelProperties;
import org.eclipse.jst.jee.util.internal.JavaEEQuickPeek;
import org.eclipse.wst.common.componentcore.datamodel.properties.IFacetDataModelProperties;
import org.eclipse.wst.common.componentcore.datamodel.properties.IFacetProjectCreationDataModelProperties;
import org.eclipse.wst.common.componentcore.datamodel.properties.IFacetProjectCreationDataModelProperties.FacetDataModelMap;
import org.eclipse.wst.common.frameworks.datamodel.DataModelEvent;
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.frameworks.internal.plugin.WTPCommonPlugin;

/**
 * This dataModel is used for to import Web Modules (from WAR files) into the workspace.
 * 
 * This class (and all its fields and methods) is likely to change during the WTP 1.0 milestones as
 * the new project structures are adopted. Use at your own risk.
 * 
 * @plannedfor WTP 1.0
 */
public final class WebComponentImportDataModelProvider extends J2EEComponentImportDataModelProvider implements IWebComponentImportDataModelProperties {

	@Override
	public Set getPropertyNames() {
		Set propertyNames = super.getPropertyNames();
		propertyNames.add(WEB_LIB_MODELS);
		propertyNames.add(WEB_LIB_ARCHIVES_SELECTED);
		propertyNames.add(CONTEXT_ROOT);
		return propertyNames;
	}

	@Override
	public Object getDefaultProperty(String propertyName) {
		if (propertyName.equals(WEB_LIB_MODELS) || propertyName.equals(WEB_LIB_ARCHIVES_SELECTED)) {
			return Collections.EMPTY_LIST;
		}
		return super.getDefaultProperty(propertyName);
	}

	@Override
	protected int getType() {
		return XMLResource.WEB_APP_TYPE;
	}
	
	@Override
	protected void handleUnknownType(JavaEEQuickPeek jqp) {
		jqp.setType(J2EEVersionConstants.WEB_TYPE);
		jqp.setVersion(J2EEVersionConstants.WEB_2_5_ID);
		jqp.setJavaEEVersion(J2EEVersionConstants.JEE_5_0_ID);
	}


	protected IStatus validateModuleType() {
		if (getArchiveWrapper().getJavaEEQuickPeek().getType() == J2EEConstants.WEB_TYPE)
			return OK_STATUS;

		// TODO: STRING MOVE
		return WTPCommonPlugin.createErrorStatus(WTPCommonPlugin.getResourceString("Temp String for none WARFile")); //$NON-NLS-1$);
	}

	@Override
	public boolean propertySet(String propertyName, Object propertyValue) {
		super.propertySet(propertyName, propertyValue);
		if (propertyName.equals(ARCHIVE_WRAPPER)) {
			
			IDataModel moduleDM = model.getNestedModel(NESTED_MODEL_J2EE_COMPONENT_CREATION);
			if (getArchiveWrapper() != null) {
				
				FacetDataModelMap map = (FacetDataModelMap) moduleDM.getProperty(IFacetProjectCreationDataModelProperties.FACET_DM_MAP);
				IDataModel webFacetDataModel = map.getFacetDataModel( J2EEProjectUtilities.DYNAMIC_WEB );
				
				int version = getModuleSpecVersion();
				String versionText = J2EEVersionUtil.getServletTextVersion( version );
				webFacetDataModel.setStringProperty(IFacetDataModelProperties.FACET_VERSION_STR, versionText);
				updateJavaFacetVersion();
				model.notifyPropertyChange(PROJECT_NAME, IDataModel.VALID_VALUES_CHG);
			}			
			
			ArchiveWrapper archiveWrapper = (ArchiveWrapper) propertyValue;
			if (null != archiveWrapper) {
				List <ArchiveWrapper> libs = archiveWrapper.getWebLibs();
				List nestedModels = new ArrayList();
				for (int i = 0; i < libs.size(); i++) {
					IDataModel localModel = DataModelFactory.createDataModel(new J2EEUtilityJarImportDataModelProvider());
					localModel.setProperty(ARCHIVE_WRAPPER, libs.get(i));
					localModel.setProperty(IFacetProjectCreationDataModelProperties.FACET_RUNTIME, getProperty(IFacetProjectCreationDataModelProperties.FACET_RUNTIME));
					IDataModel facetDataModel = localModel.getNestedModel(IJ2EEComponentImportDataModelProperties.NESTED_MODEL_J2EE_COMPONENT_CREATION);
					facetDataModel.setBooleanProperty(IJ2EEFacetProjectCreationDataModelProperties.ADD_TO_EAR, false);
					nestedModels.add(localModel);
				}
				setProperty(WEB_LIB_MODELS, nestedModels);
			}
		}else if(propertyName.equals(CONTEXT_ROOT)){
			IDataModel creationModel = model.getNestedModel(NESTED_MODEL_J2EE_COMPONENT_CREATION);
			FacetDataModelMap map = (FacetDataModelMap) creationModel.getProperty(IFacetProjectCreationDataModelProperties.FACET_DM_MAP);
			IDataModel webFacetDataModel = map.getFacetDataModel( J2EEProjectUtilities.DYNAMIC_WEB );
			webFacetDataModel.setStringProperty(IWebFacetInstallDataModelProperties.CONTEXT_ROOT, (String)propertyValue);
		}else if(propertyName.equals(WEB_LIB_ARCHIVES_SELECTED)) {
			validateLibModelRuntimes();
		}
		return true;
	}
	
	@Override
	public IStatus validate(String propertyName) {
		if(FACET_RUNTIME.equals(propertyName)){
			super.validate(propertyName);
			return validateLibModelRuntimes();
		}
		return super.validate(propertyName);
	}
	
	private IStatus validateLibModelRuntimes() {
		List libArchives = (List)getProperty(WEB_LIB_ARCHIVES_SELECTED);
		List libModels = (List)getProperty(WEB_LIB_MODELS);
		IStatus status = OK_STATUS;
		for (int i=0; i < libModels.size(); i++) {
			IDataModel libModel = (IDataModel)libModels.get(i);
			if (libArchives.contains(libModel.getProperty(ARCHIVE_WRAPPER))){
				status = libModel.validateProperty(FACET_RUNTIME);
			}
			if(!status.isOK()){
				return status;
			}
		}
		return status;
	}
	
	@Override
	protected IDataModel createJ2EEComponentCreationDataModel() {
		return DataModelFactory.createDataModel(new WebFacetProjectCreationDataModelProvider());
	}

	@Override
	public IDataModelOperation getDefaultOperation() {
		return new WebComponentImportOperation(model);
	}

	@Override
	public void init() {
		super.init();
		IDataModel componentCreationDM = model.getNestedModel(NESTED_MODEL_J2EE_COMPONENT_CREATION);
		FacetDataModelMap map = (FacetDataModelMap) componentCreationDM.getProperty(IFacetProjectCreationDataModelProperties.FACET_DM_MAP);
		IDataModel webFacet = map.getFacetDataModel( IJ2EEFacetConstants.DYNAMIC_WEB );	
		webFacet.setBooleanProperty(IJ2EEFacetInstallDataModelProperties.GENERATE_DD, false);
	}
	
	@Override
	public void propertyChanged(DataModelEvent event) {
		super.propertyChanged(event);
		if (event.getPropertyName().equals(IFacetProjectCreationDataModelProperties.FACET_RUNTIME) && event.getDataModel() == model.getNestedModel(NESTED_MODEL_J2EE_COMPONENT_CREATION)) {
			Object propertyValue = event.getProperty();
			IDataModel nestedModel = null;
			List projectModels = (List) getProperty(WEB_LIB_MODELS);
			for (int i = 0; i < projectModels.size(); i++) {
				nestedModel = (IDataModel) projectModels.get(i);
				nestedModel.setProperty(IFacetProjectCreationDataModelProperties.FACET_RUNTIME, propertyValue);
			}
		}
	}
}