// ==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, 2007
// license: GNU Public License

// version: 0.2
// date: Sat Jun 30 14:14:27 UTC 2007
// Found function that Yahoo!/Flickr moved.

// 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.
*/


//if (! unsafeWindow.Y.U.Dom.getElementsByClass) {
if (! unsafeWindow.Y.U.Dom.getElementsByClassName) {
	unsafeWindow.alert("Y.U.Dom.getElementsByClass is missing. \n\"linktopoolcontributions\" script can't work.");
} else {

	var getElementsByClassName = unsafeWindow.Y.U.Dom.getElementsByClassName;

	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);
	}

}