/**
 * Netsupport Twitter
 *
 * Based on Twit:
 *  jQuery Plugin to Display Twitter Tweets on a Blog.
 *  http://code.google.com/p/jquery-twit/
 *
 * Copyright (c) 2010 Yusuke Horie
 *
 * Released under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 *
 * Since  : 0.1.0 - 08/26/2009
 * Version: 0.2.0 - 02/17/2010
 * Modifications by Anton Rademaker, Netsupport
 */
(function (jQuery) {

    var _i = 0;

    /** public methods **/

    jQuery.fn.twit = function (user, options) {
        if (typeof user != 'string') return this;

        var 
      opts = jQuery.extend({}, jQuery.fn.twit.defaults, options),
      c = jQuery.isFunction(opts.callback) ? opts.callback : _callback,
        //url = 'http://twitter.com/statuses/user_timeline/' + user + '.json',
      url = 'http://search.twitter.com/search.json?q=' + user
        params = {};

        opts.user = user;
        params.lang = opts.lang;
        params.count = opts.limit;

        return this.each(function (i, e) {
            var $e = $(e);
            if (!$e.hasClass('twit')) $e.addClass('twit');

            jQuery.ajax({
                url: url,
                data: params,
                dataType: 'jsonp',
                success: function (o) {
                    c.apply(this, [(o.results) ? o.results : o, e, opts]);
                }
            });
        });
    };

    jQuery.fn.twit.defaults = {
        user: null,
        callback: null,
        icon: true,
        username: true,
        text: true,
        count: 200,
        limit: 7,
        label: 'Twitter',
        title: '',
        moreText: 'meer',
        allText: 'alle',
        showMore: false,
        linktarget: '_blank',
        lang: 'nl'
    };

    /** private method **/

    var _callback = function (o, e, opts) {
        var $this = $(e);
        if (!o || o.length == 0 || $this.length == 0) return false;
        $this.data('_inc', 1);
        _i++;

        //console.log(o);


        var h =
      '<div class="twitHeader">' +
      ' <span class="twitLabel">' + opts.label + '</span>&nbsp;&nbsp;' +
      ' <span class="twitTitle">' + opts.title + '</span>' +
      '</div>';

        h += '<ul class="twitBody" id="twitList' + _i + '">' + _build(o, $this, opts) + '</ul>';

        $this.html(h);

        $('a.twitEntryShow', '#twitList' + _i).live('click', function (e) {
            e.preventDefault();
            var $t = $(this);

            $t.parent().fadeOut(400, function () {
                var i = $this.data('_inc');
                i++;
                $this.data('_inc', i);

                if ($t.hasClass('twitEntryAll')) {
                    $t.die('click');
                    var start = (i * opts.limit) - opts.limit;
                    $(this).after(_build(o, $this, opts, start, o.length)).remove();
                } else {
                    $(this).after(_build(o, $this, opts)).remove();
                }
            });
        });

    };

    var _build = function (o, $t, opts, s, e) {
        var 
      h = '',
      inc = $t.data('_inc'),
      start = s || (inc * opts.limit) - opts.limit,
      end = e || ((o.length > start + opts.limit) ? start + opts.limit : o.length);
        var target = opts.linktarget != "" ? "target=\"" + opts.linktarget + "\"" : "";

        for (var i = start; i < end; i++) {
            var t, username, icon;
            t = o[i];
            if (t.user != undefined) {


                username = t.user.screen_name;
                icon = t.user.profile_image_url;
            } else {
                username = t.from_user;
                icon = "";
            }

            h += '<li class="twitEntry">';
            if (opts.text) {

                var text = t.text
          .replace(/(https?:\/\/[-_.!~*\'()a-zA-Z0-9;\/?:\@&=+\$,%#]+)/, function (u) {
              var shortUrl = (u.length > 30) ? u.substr(0, 30) + '...' : u;
              return '<a href="' + u + '" ' + target + '>' + shortUrl + '</a>';
          })
          .replace(/@([a-zA-Z0-9_]+)/g, '@<a href="http://twitter.com/$1" ' + target + '>$1</a>')
          .replace(/(?:^|\s)#([^\s\.\+:!]+)/g, function (a, u) {
              return ' <a href="http://twitter.com/search?q=' + encodeURIComponent(u) + '" ' + target + '>#' + u + '</a>';
          });
                h += ' <span><a href="http://twitter.com/' + username + '">@' + username + '</a>: &#8220;' + text + '&#8221;</span>';
            }

            h += '</li>';
        }

        if (o.length > end && opts.showMore) {
            h +=
        '<li class="twitNavi">' +
        '<a href="#" class="twitEntryShow">' + opts.moreText + '</a> &nbsp;/&nbsp;';
            if (o.length > opts.limit)
                h += '<a href="#" class="twitEntryShow twitEntryAll">' + opts.allText + '</a>';
            h += '</li>';
        }
        return h;
    };

})(jQuery);