package org.madore.damlengine;

import java.util.ArrayList;
import java.util.regex.Pattern;
import org.w3c.dom.*;

public final class TodoFooter extends TodoElement {

    public TodoFooter(Element node,
		      Context ctx,
		      TodoItem caller) {
	super(node, ctx, caller);
    }

    @Override
    public void handle() {
	ArrayList<TodoElement> toProcess = new ArrayList<TodoElement>(2);
	Element hr = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "hr");
	hr.setAttributeNS(null, "class", "cleared");
	node.getParentNode().insertBefore(hr, node);
	node.getParentNode().insertBefore(ctx.doc.createTextNode("\n"), node);
	toProcess.add(TodoElement.getTodoElement(hr, this.ctx, this));
	Element addr = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "address");
	node.getParentNode().insertBefore(addr, node);
	node.getParentNode().insertBefore(ctx.doc.createTextNode("\n"), node);
	toProcess.add(TodoElement.getTodoElement(addr, this.ctx, this));
	Element a = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "a");
	a.setAttributeNS(null, "href",
			 (ctx.gc.uriToTop==null)?"http://www.madore.org/~david/"
			 :ctx.gc.uriToTop);
	addr.appendChild(a);
	a.appendChild(ctx.doc.createTextNode("David Madore"));
	addr.appendChild(ctx.doc.createTextNode(" ("));
	Element email = ctx.doc.createElementNS(DamlEngine.DAML_NS, "d:email-despammed");
	addr.appendChild(email);
	addr.appendChild(ctx.doc.createTextNode(")"));
	email.appendChild(ctx.doc.createTextNode("david+www"));
	email.appendChild(ctx.doc.createElementNS(DamlEngine.DAML_NS, "d:email-at"));
	email.appendChild(ctx.doc.createTextNode("madore"));
	email.appendChild(ctx.doc.createElementNS(DamlEngine.DAML_NS, "d:email-dot"));
	email.appendChild(ctx.doc.createTextNode("org"));
	Node ws = node.getNextSibling();
	if ( ( ws.getNodeType() == Node.TEXT_NODE
	       || ws.getNodeType() == Node.CDATA_SECTION_NODE )
	     && Pattern.matches("^\\s*$",((CharacterData)ws).getData()) )
	    node.getParentNode().removeChild(ws);
	node.getParentNode().removeChild(node);
	this.ownerDeque.registerAtStart(toProcess);
    }

}