/* 	Google-Buzz Widget v1.0
	Blog : http://www.moretechtips.net
	Project: http://code.google.com/p/google-buzz-widget/
	Copyright 2009 [Mike @ moretechtips.net] 
	Licensed under the Apache License, Version 2.0 
	(the "License"); you may not use this file except in compliance with the License. 
	You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 
*/(function ($) {
    $.fn.googleBuzz = function (allOptions) {
        var defaults = {
            debug: 0,
            username: "",
            n: 10,
            show_n: 1,
            snippet: 1,
            stay_time: 5000,
            enter_time: 200,
            exit_time: 200,
            animate: "opacity",
            show_date: 1,
            show_source: 1,
            header: "",
            info: '<a class="gbw-info" title="get Google Buzz Widget!" target="_blank" href="http://www.moretechtips.net/">.i</a>',
			
        };
        allOptions = $.extend({}, defaults, allOptions);
        return this.each(function () {
            var div = $(this);
            var count = 0,
                ul = null,
                vp = -1,
                startI = -1,
                endI = -1;
            var op = allOptions;
            var effectParams = new Object;
            var requested = function (json) {
                    if (json.responseStatus != 200) {
                        if (op.debug) {
                            div.html('<b style="color:red">Error: ' + json.responseDetails + "</b>")
                        }
                        return
                    }
                    var rs = json.responseData.feed.entries;
                    count = rs.length;
                    if (count == 0) {
                        return
                    }
                    ul = $('<ul class="gbw"></ul>').appendTo(div.html(op.header));
                    for (var i = 0; i < count; i++) {
                        addLI(rs[i])
                    }
                    if (op.show_n > 0) {
                        fadeIn()
                    }
                };
            var addLI = function (x) {
                    var src = x.title.replace(/^buzz\sby\s[\w\s]+\sfrom\s(.*)$/i, "$1");
					var srcClean = src.replace(/[\W\s]/g,"");
                    $('<li class="gbw-item-src-' + srcClean.toLowerCase() + '"' + (op.show_n > 0 ? ' style="display:none"' : "") + '><span class="gbw-content">' + (op.snippet ? linkify(x.contentSnippet, src) : x.content) + '</span><span class="gbw-meta">' + (op.show_date ? '<a class="gbw-date" href="' + x.link + '">' + formatDate(x.publishedDate) + "</a>" : "") + (op.show_source ? ' - <span class="gbw-source">' + src + "</span>" : "") + (op.info ? " - " + op.info : "") + "</span></li>").appendTo(ul).trigger("ready")
                };
            var formatDate = function (dstr) {
                    var dat = new Date(),
                        tody = new Date();
                    dat.setTime(Date.parse(dstr));
                    var td = tody.getDate(),
                        tm = tody.getMonth() + 1,
                        ty = tody.getFullYear(),
                        th = tody.getHours(),
                        tmn = tody.getMinutes(),
                        ts = tody.getSeconds();
                    var d = dat.getDate(),
                        m = dat.getMonth() + 1,
                        y = dat.getFullYear(),
                        h = dat.getHours(),
                        mn = dat.getMinutes(),
                        s = dat.getSeconds();
                    if (y == ty && m == tm && d == td) {
                            var dh = th - h;
                            if (dh > 0) {
                                return dh + " hour" + (dh > 1 ? "s" : "") + " ago"
                            }
                            var dmn = tmn - mn;
                            if (dmn > 0) {
                                return dmn + " minute" + (dmn > 1 ? "s" : "") + " ago"
                            }
                            var ds = ts - s;
                            return ds + " second" + (ds > 1 ? "s" : "") + " ago"
                        } else {
                            return m + "/" + d + "/" + y
                        }
                };
            var fadeOut = function () {
                    $("li", ul).eq(startI).fadeOut(op.exit_time, fadeIn);
                    if (op.show_n > 1) {
                        $("li", ul).slice(startI + 1, endI).fadeOut(op.exit_time)
                    }
                };
            var fadeIn = function () {
                    vp++;
                    if (vp * op.show_n >= count) {
                        vp = 0
                    }
                    startI = vp * op.show_n;
                    endI = (vp + 1) * op.show_n;
                    $("li", ul).eq(startI).animate(effectParams, op.enter_time, "linear", fadeStill);
                    if (op.show_n > 1) {
                        $("li", ul).slice(startI + 1, endI).animate(effectParams, op.enter_time, "linear")
                    }
                };
            var fadeStill = function () {
                    ul.animate({
                        opacity: 1
                    }, op.stay_time, "linear", fadeOut)
                };
            var linkify = function (str, source) {
                    str = str.replace(/\bhttps?\:\/\/\S+/gi, function (b) {
                        var c = "";
                        b = b.replace(/(\.*|\?*|\!*)$/, function (m, a) {
                            c = a;
                            return ""
                        });
                        return '<a class="gbw-link" href="' + b + '">' + ((b.length > 25) ? b.substr(0, 24) + "..." : b) + "</a>" + c
                    });
                    if (source == "Twitter") {
                        str = str.replace(/\B\@([A-Z0-9_]{1,15})/gi, '@<a class="gbw-at" href="http://twitter.com/$1">$1</a>').replace(/\B\#([A-Z0-9_]+)/gi, '<a class="gbw-hashtag" href="http://search.twitter.com/search?q=%23$1">#$1</a>')
                    }
                    return str
                };
            var request = function () {
                    var data = {
                        q: "http://buzz.googleapis.com/feeds/" + op.username + "/public/posted",
                        output: "json",
                        v: "1.0",
                        num: op.n
                    };
                    $.ajax({
                        url: "http://ajax.googleapis.com/ajax/services/feed/load",
                        data: data,
                        success: requested,
                        dataType: "jsonp"
                    })
                };
            var init = function () {
                    if (div.attr("options")) {
                        try {
                            op = eval("(" + div.attr("options") + ")")
                        } catch (e) {
                            div.html('<b style="color:red">' + e + "</b>");
                            return
                        }
                        op = $.extend({}, defaults, op)
                    }
                    effectParams[op.animate] = "show";
                    request()
                };
            init()
        })
    }
})(jQuery);
jQuery(document).ready(function () {
    jQuery("div.google-buzz").googleBuzz()
});