package org.hwo.net.serverobjects;

import java.io.IOException;

import org.hwo.net.http.HttpException;
import org.hwo.net.serverobjects.dav.DAVCollection;
import org.hwo.net.serverobjects.dav.DAVPropertyName;
import org.hwo.net.serverobjects.dav.DAVPropertyNameList;
import org.hwo.net.serverobjects.dav.DAVResource;
import org.hwo.xml.NodeListIterator;
import org.w3c.dom.Document;
import org.w3c.dom.Element;

public class DAVCollectionSO extends AbstractServerObject{

	class RootCollection extends DAVCollection
	{

		public RootCollection(String name) {
			super(name);
		}
		
		@Override
		protected String constructURI() {
			return "";
		}		
		@Override
		public DAVResource getParent() {
			return null;
		}
		
	}
	
	
	private DAVCollection	rootCollection;	
	
	public DAVCollectionSO()
	{
		rootCollection = new RootCollection("");
	}
	
	@Override
	public void request(ServerObjectRequest request) throws IOException, HttpException 
	{
		request.getHttpRequest().addResponseHeader("DAV", "1");
		
		String method = request.getHttpRequest().getRequestMethod();
		
		System.err.println("DAV Request: " + method);
		
		if (method.equals("GET"))
		{
			request.getHttpRequest().setResponseHeader("Content-Type", "text/plain");
			request.getHttpRequest().getResponseWriter().write("This is a DAV Container.");
		} else if (method.equals("PROPFIND"))
		{
			doPROPFIND(request);
		} else if (method.equals("PROPPATCH"))
		{
			doPROPPATCH(request);
		} else if (method.equals("MKCOL"))
		{
			doMKCOL(request);
		} else if (method.equals("DELETE"))
		{
			doDELETE(request);
		} else if (method.equals("OPTIONS"))
		{
			doOPTIONS(request);
		}
	}
	
	protected void doPROPFIND(ServerObjectRequest request) throws HttpException
	{
		System.err.println("PROPFIND:");
		System.err.println(new String(request.getHttpRequest().getRequestContent()));
		
		Document d = request.getHttpRequest().getXMLRequest();
		if (d == null)
			throw new HttpException(403);
		
		Element propfind = d.getDocumentElement();
				
		if (propfind.getLocalName().equals("propfind") && propfind.getNamespaceURI().equals("DAV:"))
		{
			for (Element child:NodeListIterator.create(propfind.getChildNodes()))
			{
				if (child.getLocalName().equals("prop"))
				{
					DAVPropertyNameList names = DAVPropertyNameList.fromXML(child);
					for (DAVPropertyName name:names)
					{
						System.err.println("DAVProp: " + name.getNamespaceURI() + " : " + name.getPropertyName());
					}
				}
			}
		}
		
	}
	protected void doPROPPATCH(ServerObjectRequest request) throws HttpException
	{
	}
	protected void doMKCOL(ServerObjectRequest request) throws HttpException
	{
	}
	protected void doDELETE(ServerObjectRequest request) throws HttpException
	{
	}
	protected void doOPTIONS(ServerObjectRequest request) throws HttpException
	{
		request.getHttpRequest().setResultCode(200);
	}

}