/*******************************************************************************
 * Copyright (c) 2011 IRIS/DMC.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser Public License v2.1
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * 
 * Contributors:
 *     IRIS/DMC- initial API and implementation
 * 
 * ACKNOWLEDGEMENT
 * This software was developed as part of a project supported by 
 *  Cooperative Agreement Number G10AC00533 from the United States 
 *  Geological Survey.  Its contents are solely the responsibility of 
 * the authors and the USGS is not responsible for the efficacy,
 * safety, or suitability of this software.
 ******************************************************************************/
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.joda.time.DateTime;

public class Channel implements Node{

	private Epoch epoch;
	
	private String code;
	private String location;
	
	private DateTime created;
	private DateTime terminated;
	
	private List<ChannelEpoch> epochs = new ArrayList<ChannelEpoch>();

	public Channel(String code, String location){
		this.code = code;
		this.location = location;
	}
	public String getCode() {
		return code;
	}

	public void setCode(String code) {
		this.code = code;
	}

	public String getLocation() {
		return location;
	}

	public void setLocation(String location) {
		this.location = location;
	}

	public DateTime getCreated() {
		return created;
	}
	public void setCreated(DateTime created) {
		this.created = created;
	}
	public DateTime getTerminated() {
		return terminated;
	}
	public void setTerminated(DateTime terminated) {
		this.terminated = terminated;
	}
	public List<ChannelEpoch> getEpochs() {
		return epochs;
	}
	public void setEpochs(List<ChannelEpoch> epochs) {
		this.epochs = epochs;
	}

	public Epoch getEpoch() {
		return epoch;
	}

	public void setEpoch(Epoch epoch) {
		this.epoch = epoch;
	}
	
	
	
	public void add(ChannelEpoch epoch){
		epoch.setChannel(this);
		if(epoch == null){
			return;
		}
		this.epochs.add(epoch);
	}
	
	@Override
	public String toString() {
		return "Channel [epoch=" + epoch + ", code=" + code + ", location="
				+ location + ", created=" + created + ", terminated="
				+ terminated + "]";
	}
	public void writeXml(XMLWriter out, int level) throws IOException {		
		
		Map<String,String> attributes = new HashMap<String,String>();
        attributes.put("chan_code", code);
        attributes.put("loc_code", location);
        out.startElement(Schema.CHANNEL, attributes);
        out.startElement(Schema.CREATION_DATE);
        out.value(this.created.toString());
        out.endElement();

        for(ChannelEpoch epoch:epochs){
        	epoch.writeXml(out, level);
        }

        out.endElement();
        out.flush();
	}
}