// ==UserScript==
// @name           Link to Pool contributions
// @namespace      http://web.chad.org/projects/flickr/gm
// @description    Link to a user's pool contributions from his profile
// @include        http://flickr.com/people/*/
// @include        http://www.flickr.com/people/*/
// ==/UserScript==

// Copyright Chad Miller, 2006
// license: GNU Public License

// version: 0.1
// date Fri: Aug 25 01:03:26 UTC 2006


/*
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the
   Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
   MA 02110-1301, USA.
*/


function getElementsByClassName(classname, tagname) {
	return unsafeWindow.document.getElementsByClass(classname,tagname)
}


function urlToUser(queryHost, userUrl) {

	var apiUrl = "http://" + queryHost + "/services/rest/?method=flickr.urls.lookupUser&api_key=ee5741f2cce2160e4b955345b92f3587&url=" + userUrl;
	var useId;

	query = new XMLHttpRequest();
	query.open("GET", apiUrl, false);
	query.send(null);

	if (query.responseXML) {
		userId = query.responseXML.getElementsByTagName("user")[0].getAttribute("id") ;
	} else {
		alert('Error retrieving userid');
	}

	return userId;
}


function getUsername(txt) {
	var start = txt.split("<b>")[1];
	return start.split("</b>")[0];
}


var queryHost = location.href.split('/')[2];
var userPage = location.href;
var userId = urlToUser(queryHost, userPage);
var groupsSection = getElementsByClassName("Stats")[0];

var anchors = groupsSection.getElementsByTagName("a");

for (var i = anchors.length - 1; i >= 0; i--) {
	var anchorHref = anchors[i].getAttribute("href");

	var groupLink = document.createElement("a");
	groupLink.appendChild(document.createTextNode("u@"));
	groupLink.setAttribute("href", anchorHref + "pool/" + userId + "/");

	var parent = anchors[i].parentNode;
	parent.appendChild(document.createTextNode(" - "));
	parent.appendChild(groupLink);
}