Rkns.Twitter = {
}

Rkns.Twitter.Search = function(_renkan, _opts) {
	this.renkan = _renkan;
	this.opts = _opts;
}

Rkns.Twitter.Search.prototype.getBgClass = function() {
	return "Rk-Twitter-Icon";
}

Rkns.Twitter.Search.prototype.getSearchTitle = function() {
	return this.renkan.l10n.search_on_twitter;
}

Rkns.Twitter.Search.prototype.search = function(_q) {
    this.renkan.tabs.push(
        new Rkns.Twitter.Bin(this.renkan, {
            search: _q
        })
    );
}

Rkns.Twitter.Bin = Rkns.Utils.inherit(Rkns._BaseBin);

Rkns.Twitter.Bin.prototype.tweetTemplate = Rkns._.template(
    '<li class="Rk-Twitter-Tweet Rk-Bin-Item" data-uri="http://twitter.com/<%=tweet.from_user%>/status/<%=tweet.id_str%>" '
    + 'data-title="Tweet by @<%=tweet.from_user%>" data-description="<%-tweet.text%>" data-image="<%=tweet.profile_image_url%>">'
    + '<img class="Rk-Twitter-TwImage" src="<%=tweet.profile_image_url%>" />'
    + '<h4 class="Rk-Twitter-TwTitle"><a href="http://twitter.com/<%=tweet.from_user%>" target="_blank">@<%=tweet.from_user%></a> (<%=tweet.from_user_name%>)</h4>'
    + '<p class="Rk-Twitter-TwDate"><%=date%></p>'
    + '<p class="Rk-Twitter-TwText"><%=text%></p>'
    + '<p class="Rk-Twitter-TwActions"><a class="Rk-Twitter-TwAction" href="http://twitter.com/<%=tweet.from_user%>/status/<%=tweet.id_str%>" target="_blank">show original</a> · '
    + '<a href="http://twitter.com/intent/tweet?in_reply_to=<%=tweet.id_str%>" target="_blank">reply</a> · '
    + '<a href="http://twitter.com/intent/retweet?tweet_id=<%=tweet.id_str%>" target="_blank">retweet</a> · '
    + '<a href="http://twitter.com/intent/favorite?tweet_id=<%=tweet.id_str%>" target="_blank">favorite</a></p></li>'
);

Rkns.Twitter.Bin.prototype._init = function(_renkan, _opts) {
    this.search = _opts.search;
    this.title_icon_$.addClass('Rk-Twitter-Title-Icon');
    this.title_$.html(this.search).addClass("Rk-Twitter-Title");
    var _this = this;
    Rkns.$.getJSON(
        "http://search.twitter.com/search.json?q=" + encodeURIComponent(this.search) + "&callback=?",
        function(_data) {
            var _rgxp = new RegExp('('+_this.search.replace(/(\W)/g,'\\$1')+')','gi');
            function highlight(_text) {
                return _text.replace(_rgxp, "<span class='searchmatch'>$1</span>");
            }
            var _html = Rkns._(_data.results).map(function(_result) {
                var _entities = [],
                    _users = _result.text.match(/@[\w_]+/gm),
                    _lastpos = 0;
                if (_users) {
                    for (var _i = 0; _i < _users.length; _i++) {
                        var _m = _users[_i],
                            _start = _lastpos + _result.text.substr(_lastpos).search(_m),
                            _lastpos = _start + _m.length;
                        _entities.push({
                            "text" : _m,
                            "start" : _start,
                            "end" : _lastpos,
                            "link" :'<a href="http://twitter.com/' + _m.substr(1) + '" onclick="filtrerTexte(\'' + _m + '\'); return false;" target="_blank">',
                        });
                    }
                }
                var _hashes = _result.text.match(/([^&]|^)#[^\s,.!?=#@&;()]+/gm),
                    _lastpos = 0;
                if (_hashes) {
                    for (var _i = 0; _i < _hashes.length; _i++) {
                        var _m = _hashes[_i],
                            _h = ( _m[0] == '#' ? _m : _m.substr(1) ),
                            _start = _lastpos + _result.text.substr(_lastpos).search(_h),
                            _lastpos = _start + _h.length;
                        _entities.push({
                            "text" : _h,
                            "start" : _start,
                            "end" : _lastpos,
                            "link" :'<a href="http://twitter.com/search?q=' + encodeURIComponent(_h) + '" onclick="filtrerTexte(\'' + _.escape(_h) + '\'); return false;" target="_blank">',
                        });
                    }
                }
                
                var _urls = _result.text.match(/(www\.|https?:\/\/)[\w./_\-]+/gim),
                    _lastpos = 0;
                if (_urls) {
                    for (var _i = 0; _i < _urls.length; _i++) {
                        var _m = _urls[_i],
                            _start = _lastpos + _result.text.substr(_lastpos).search(_m),
                            _lastpos = _start + _m.length;
                        _entities.push({
                            "text" : _m,
                            "start" : _start,
                            "end" : _lastpos,
                            "link" :'<a href="' + _m + '" target="_blank">',
                        });
                    }
                }
                _entities = Rkns._(_entities).sortBy(function(a) { return a.start });
                var _lastend = 0,
                    _text = Rkns._(_entities).map(function(_e) {
                        var _txt = highlight(_result.text.substring(_lastend, _e.start)) + _e.link + highlight(_e.text) + '</a>';
                        _lastend = _e.end;
                        return _txt;
                    }).join("") + highlight(_result.text.substring(_lastend));
                
                return _this.tweetTemplate({
                    tweet: _result,
                    date: new Date(_result.created_at.replace(/(\+|-)/,'UTC$1')).toLocaleString(),
                    text: _text
                });
            }).join("");
            _this.main_$.html(_html);
            _renkan.resizeBins();
        }
    );
}