/*
 * 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
 * under the License.    
 */

package services;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.List;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.Unmarshaller;

import org.oasisopen.sca.annotation.Init;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;

import com.example.ipo.jaxb.Item;
import com.example.ipo.jaxb.JiraData;
import com.example.ipo.jaxb.Milestone;
import com.example.ipo.jaxb.Plan;
import com.example.ipo.jaxb.RSS;
import com.example.ipo.jaxb.WorkItem;
import com.example.ipo.jaxb.JiraRSS;
import com.sun.syndication.feed.synd.SyndEntry;
import com.sun.syndication.feed.synd.SyndFeed;
import com.sun.syndication.io.FeedException;
import com.sun.syndication.io.SyndFeedInput;
import com.sun.syndication.io.XmlReader;

public class PlanViewImpl implements PlanView {

	private com.example.ipo.jaxb.Plan _p = null;
	static String rssPrefix = "http://issues.apache.org/jira/si/jira.issueviews:issue-xml/";
	// TUSCANY-1178/TUSCANY-1178.xml

	@Init
	public void init() {

	}

	private Plan getPlan() {
		if (_p == null) {

			try {
				JAXBContext jaxbContext = JAXBContext
						.newInstance("com.example.ipo.jaxb");
				Unmarshaller m = jaxbContext.createUnmarshaller();
				File inputFile = new File("src/main/resources/jiraSideBand.xml")
						.getAbsoluteFile();

//				Reader r = new XMLReader()
//				InputSource s  = new InputSource(r);
				_p = ((JAXBElement<Plan>) m.unmarshal(inputFile)).getValue();
				augment_plan(_p);
			} catch (Exception e) {
				e.printStackTrace();
			} finally {

			}

		}
		return _p;

	}
	


	private void augment_plan(Plan plan) {
		for(Milestone m : plan.getMilestone()) {
			for (WorkItem wi: m.getWorkItem()) {
				String jira = wi.getJira();
				if(jira != null) {
					String feed = rssPrefix += jira + "/" + jira + ".xml";
					JiraData jd = new JiraData();
					wi.setJiraData(jd);
					jd.setID(jira);
					
					try {
						JAXBContext jaxbContext = JAXBContext
								.newInstance("com.example.ipo.jaxb");
						Unmarshaller m2 = jaxbContext.createUnmarshaller();
	
	//					File inputFile = new File("src/main/resources/exampleJira.xml")
	//							.getAbsoluteFile();
	//
	//					RSS j = ((JAXBElement<RSS>) m2.unmarshal(inputFile)).getValue();
						InputStream is = null;
						RSS j;
						try{
							URL url = new URL("http://issues.apache.org/jira/si/jira.issueviews:issue-xml/"+jira+"/"+jira+".xml");
							is = url.openStream();
							j = ((JAXBElement<RSS>) m2.unmarshal(is)).getValue();
						}
						finally {
							if(is != null) is.close();
						}
						
						Item i = j.getChannel().getItem();
						System.out.println(i.toString());
						List<JAXBElement<?>> c  = i.getContent();
						for (JAXBElement<?> element : c) {
							if("title".equals(element.getName().getLocalPart())) {
								String jtitle = (String)element.getValue();
								jd.setTitle(jtitle.substring(jtitle.indexOf(']')+1, jtitle.length()));
							}
							else if("status".equals(element.getName().getLocalPart())){
								jd.setStatus((String)element.getValue());
							}
							else if("assignee".equals(element.getName().getLocalPart())) {
								jd.setAssignedTo((String)element.getValue());
							}						
						}
					} catch (Exception e) {
						e.printStackTrace();
					} finally {
	
					}
				}
				
			}	
		}
	}

	public Plan get() {
		com.example.ipo.jaxb.Plan modelplan = getPlan();
	
		// dto.Plan dtoplan = new dto.Plan(modelplan);
		return modelplan;
	}

}