/*
 * Javascript Download Manager 1.0
 * http://hontap.blogspot.com
 *   by Rilwis (rilwis@gmail.com)
 *
 * This script is based on Easy Retweet Button of John Resig (http://ejohn.org/blog/retweet/)
 *
 * Licensed under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 */

(function(){

// Asynchronously load the Bit.ly JavaScript API
// If it hasn't been loaded already
if (typeof BitlyClient === "undefined") {
	var head = document.getElementsByTagName("head")[0] || document.documentElement;
	var script = document.createElement("script");
	script.src = "http://bit.ly/javascript-api.js?version=latest&login=jsdownloadmanager&apiKey=R_cb7db004d13ea77433d43f3b5c579a3f";
	script.charSet = "utf-8";
	head.appendChild(script);
}

if (document.addEventListener) {
	document.addEventListener("DOMContentLoaded", loaded, false);
} else if (window.attachEvent) {
	window.attachEvent("onload", loaded);
}

function loaded(){

	var elems = [], urlElem = {}, hashURL = {};

	BitlyCB.shortenResponse = function(data) {
		for (var url in data.results) {
			var hash = data.results[url].userHash;
			hashURL[hash] = url;
			
			var elems = urlElem[ url ];

			for ( var i = 0; i < elems.length; i++ ) {
				elems[i].href = "http://bit.ly/" + hash;
			}

			BitlyClient.stats(hash, 'BitlyCB.statsResponse');
		}
	};

	BitlyCB.statsResponse = function(data) {
		var clicks = data.results.clicks, hash = data.results.userHash;
		var url = hashURL[hash], elems = urlElem[url];

		for (var i = 0; i < elems.length; i++) {
			var span = document.createElement("span");
			if (clicks == 1) {
				span.appendChild(document.createTextNode(" (" + clicks + " download)"));
			} else {
				span.appendChild(document.createTextNode(" (" + clicks + " downloads)"));
			}
			elems[i].appendChild(span);
		}

		hashURL[hash] = urlElem[url] = null;
	};

	if (document.getElementsByClassName) {
		elems = document.getElementsByClassName("jdm");
	} else {
		var tmp = document.getElementsByTagName("a");
		for (var i = 0; i < tmp.length; i++) {
			if (/(^|\s)jdm(\s|$)/.test(tmp[i].className)) {
				elems.push(tmp[i]);
			}
		}
	}

	for (var i = 0; i < elems.length; i++) {
		var elem = elems[i];
		var href = elem.href;

		if (urlElem[href]) {
			urlElem[href].push(elem);
		} else {
			urlElem[href] = [elem];
			BitlyClient.shorten(href, 'BitlyCB.shortenResponse');
		}
	}

}

})();