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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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package org.openoffice.test.uno;

import java.io.File;
import java.util.Timer;
import java.util.TimerTask;

import org.openoffice.test.OpenOffice;
import org.openoffice.test.common.FileUtil;
import org.openoffice.test.common.SystemUtil;

import com.sun.star.beans.PropertyValue;
import com.sun.star.bridge.UnoUrlResolver;
import com.sun.star.bridge.XUnoUrlResolver;
import com.sun.star.comp.helper.Bootstrap;
import com.sun.star.frame.XComponentLoader;
import com.sun.star.frame.XDesktop;
import com.sun.star.frame.XStorable;
import com.sun.star.lang.XComponent;
import com.sun.star.lang.XMultiComponentFactory;
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.uno.XComponentContext;
import com.sun.star.util.XCloseable;
import com.sun.star.util.XModifiable;

public class UnoApp {

	private OpenOffice openOffice = null;

	private String unoUrl = null;

	private XComponentContext componentContext = null;

	private XMultiComponentFactory componentFactory = null;

	private XMultiServiceFactory serviceFactory = null;

	private XDesktop desktop = null;

	private double reconnectInterval = 2;
	
	private int reconnectCount = 10;
	
	private static OpenOffice defaultOpenOffice = null;
	
	static {
		defaultOpenOffice = new OpenOffice();
		defaultOpenOffice.addArgs("-nofirststartwizard", "-norestore", "-quickstart=no");
		defaultOpenOffice.setUnoUrl(OpenOffice.DEFAULT_UNO_URL);
	}
	
	public UnoApp() {
		this.openOffice = defaultOpenOffice;
	}
	
	public UnoApp(OpenOffice openOffice) {
		this.openOffice = openOffice;
	}
	
	public UnoApp(String unoUrl) {
		this.unoUrl = unoUrl;
	}
	
	/**
	 * Start OpenOffice and connect to it
	 */
	public void start() {
		if (componentContext != null) {
			try {
				componentContext.getServiceManager();
				return;
			} catch (Exception e) {
				
			}
		}
		
		if (openOffice != null) {
			openOffice.start();
			unoUrl = openOffice.getUnoUrl();
		}

		for (int i = 0; i < reconnectCount; i++) {
			try {
				XUnoUrlResolver resolver = UnoUrlResolver.create(Bootstrap.createInitialComponentContext(null));
				componentContext = (XComponentContext) UnoRuntime.queryInterface(XComponentContext.class, resolver.resolve("uno:" + unoUrl + ";StarOffice.ComponentContext"));
				componentFactory = componentContext.getServiceManager();
				serviceFactory = (XMultiServiceFactory) UnoRuntime.queryInterface(XMultiServiceFactory.class, componentFactory);
				desktop = (XDesktop) UnoRuntime.queryInterface(XDesktop.class, serviceFactory.createInstance("com.sun.star.comp.framework.Desktop"));
				return;
			} catch (Exception e) {
				// e.printStackTrace(); // for debugging
			}

			SystemUtil.sleep(reconnectInterval);
		}

		throw new RuntimeException("Failed to connect to uno url: " + unoUrl);
	}

	private Timer timer = new Timer(true);

	private TimerTask timerTask = null;

	/**
	 * Shut down the connection and close OpenOffice
	 */
	public void close() {
		try {
			timerTask = new TimerTask() {
				public void run() {
					if (openOffice != null)
						openOffice.kill();
				}
			};
			timer.schedule(timerTask, 1000 * 2);
			desktop.terminate();
		} catch (Exception e) {
			// e.printStackTrace(); // for debugging
		} finally {
			if (openOffice != null)
				openOffice.kill();

			timerTask.cancel();
			timerTask = null;
			componentContext = null;
			componentFactory = null;
			serviceFactory = null;
			desktop = null;
		}
	}

	/**
	 * Get the XComponentContext of the connected OpenOffice instance
	 * 
	 * @return
	 */
	public XComponentContext getComponentContext() {
		return componentContext;
	}

	public XMultiComponentFactory getComponentFactory() {
		return componentFactory;
	}

	public XMultiServiceFactory getServiceFactory() {
		return serviceFactory;
	}

	public XDesktop getDesktop() {
		return desktop;
	}

//	public XComponent loadDocument(String file) throws Exception {
//		XComponentLoader componentLoader = (XComponentLoader) UnoRuntime.queryInterface(XComponentLoader.class, desktop);
//		return componentLoader.loadComponentFromURL(FileUtil.getUrl(file), "_blank", 0, new PropertyValue[0]);
//	}
	
	public XComponent loadDocument(String file, PropertyValue... propertyValue) throws Exception {
		XComponentLoader componentLoader = (XComponentLoader) UnoRuntime.queryInterface(XComponentLoader.class, desktop);
		return componentLoader.loadComponentFromURL(FileUtil.getUrl(file), "_blank", 0, propertyValue);
	}
	
//	public XComponent loadDocumentFromURL(String url) throws Exception {
//		XComponentLoader componentLoader = (XComponentLoader) UnoRuntime.queryInterface(XComponentLoader.class, desktop);
//		return componentLoader.loadComponentFromURL(url, "_blank", 0, new PropertyValue[0]);
//	}
	
	public XComponent loadDocumentFromURL(String url, PropertyValue... propertyValue) throws Exception {
		XComponentLoader componentLoader = (XComponentLoader) UnoRuntime.queryInterface(XComponentLoader.class, desktop);
		return componentLoader.loadComponentFromURL(url, "_blank", 0, propertyValue);
	}
	
	public XComponent newDocument(String type) throws Exception {
		XComponentLoader componentLoader = (XComponentLoader) UnoRuntime.queryInterface(XComponentLoader.class, desktop);
		return componentLoader.loadComponentFromURL("private:factory/" + type, "_blank", 0, new PropertyValue[0]);
	}
	
//	public void saveDocument(XComponent doc, String toPath) throws Exception {
//		XStorable m_xstorable = (XStorable)UnoRuntime.queryInterface(XStorable.class, doc);	
//		String fileUrl = FileUtil.getUrl(new File(toPath));	
//		m_xstorable.storeAsURL(fileUrl, new PropertyValue[0]);
//	}
	
	public void saveDocument(XComponent doc, String toPath, PropertyValue... propertyValue) throws Exception {
		XStorable m_xstorable = (XStorable)UnoRuntime.queryInterface(XStorable.class, doc);	
		String fileUrl = FileUtil.getUrl(new File(toPath));	
		m_xstorable.storeToURL(fileUrl, propertyValue);
	}
	
	public void saveDocumentToURL(XComponent doc, String toURL, PropertyValue... propertyValue) throws Exception {
		XStorable m_xstorable = (XStorable)UnoRuntime.queryInterface(XStorable.class, doc);	
		m_xstorable.storeToURL(toURL, propertyValue);
	}
	
	public void closeDocument(XComponent doc) {
		try {
			XModifiable modified = (XModifiable) UnoRuntime.queryInterface(XModifiable.class, doc);
			XCloseable closer = (XCloseable) UnoRuntime.queryInterface(XCloseable.class, doc);
			if (modified != null) 
				modified.setModified(false);
			closer.close(true);
		} catch (Exception e) {
			// ignore
		} 
	}
}