//var glb_search = '#ted ';
var glb_search = '';
var glb_lang = 'all';
var timer = 0;
var iphone;


function dotrends()
{
		$('#trends').html('');
		$.getJSON("http://search.twitter.com/trends.json?callback=?", trends_h);
}	
function trends_h(data) 
{
	var topic, topic_fix;
	$('#trends').html('<b>Trending Topics:</b><p>');
	for(var i in data.trends) {
		 topic = data.trends[i].name;
		 topic_fix = fix_topic(topic);
		$('#trends').append('&middot; <a href="./search?q=' + topic_fix + '">' + topic + '</a><br> ');
		//$('#trends').append('&middot; <a href="javascript:trendclick(\'' + fix_topic2(topic_fix) + '\');">' + topic + '</a><br> ');
	}
	$('#trends').append('<p><b><a href="javascript:void(0);" onclick="javascript:dotrends();">Refresh Trends</a></b>');
}	
	
function fix_topic(s)
{
	var match = / /.test(s);
	if (match) {
		s = '"' + s + '"';
	}
	return jtw_urlencode(s);
}	

function fix_topic2(s)
{
	s = s.replace("'", "\\\'");
	s = s.replace("%27", "\\%27");
	//window.alert(s);
	return s;
}

function jtw_urlencode(str) {
str = escape(str);

str = str.replace(/\+/g, '%2B');
str = str.replace(/%20/g, '+');
str = str.replace(/\*/g, '%2A');
str = str.replace(/\//g, '%2F');
str = str.replace(/@/g, '%40');
str = str.replace(/#/g, '%23');
return str;
}

function jsonp_proxy(url, callback)
{
	$.getJSON(url,
			function(data){
				
				//window.alert(arr.length);
				callback(data);
			});

}

function do_search(lastid, callback)
{
	twitter_search_proxy(jtw_urlencode(glb_search), lastid, callback);
}

function twitter_search_proxy(search, lastid, callback)
{
	//search should already be url encoded
	var url;
	var since_str = "";
	var rpp = 100;
	if (iphone == 1) {
		rpp = 20;
	}
	if (lastid > 0) {
		since_str = "&since_id=" + lastid + "";
	}
	url = "http://search.twitter.com/search.json?q=" + search + since_str + "&rpp=" + rpp + "&lang=" + glb_lang + "&callback=?"
	jsonp_proxy(url, callback);
}


function formattweet(user,tweet,tstamp,img,tid,lastid)
{
			var ret = '';

			var re = new RegExp("(([a-zA-Z]+:\/\/)([a-zA-Z][a-zA-Z0-9_\.-]*[a-zA-Z]{2,6})([a-zA-Z0-9$~\#\/\._\?\&%-=]*[a-zA-Z0-9$~\#\/_\?\&%-=]))", "g");
			tweet = tweet.replace(re, '<a style="text-decoration:none;" target="_new" href=$1 >$1</a>');
			re = new RegExp("@([a-zA-Z0-9_]+)", "g");
			tweet = tweet.replace(re, '@<a style="text-decoration:none;" target="_new" href=http://twitter.com/$1>$1</a>');
				tweet = tweet.replace(/&/g, '&');
			ret = ret + '<div class="tweetdisplay newtweet-' + lastid + ' " style="display:none;" ';

			ret = ret + '>';
			
			ret = ret + '<img src=' + img + ' height=48 width=48 align=left style="padding:2px;" />';
			

			ret = ret + '<b><a style="text-decoration:none;" target="_new" href=http://twitter.com/' + user + '>' + user + '</a></b>: <span class=tweettext id=tweet-' + tid + '>' + tweet + '</span><br><span style=\"font-size:12px;color:#777;\">' + tstamp; //+ jtw_getdatediff(now_ms, tstamp); //+ tstamp;

			ret = ret + ' ';
			ret = ret + '<div style="float:right">';
			ret = ret + ' [<a href="javascript:void(0);" onClick="javascript:doreply(\'' + user + '\', ' + tid + ');">Reply</a>]';
			ret = ret + ' [<a href="javascript:void(0);" onClick="javascript:doretweet_new(\'' + user + '\',' + tid + ');">ReTweet</a>]';
			ret = ret + ' <span id="fav-' + tid + '">[<a href="javascript:void(0);" onClick="javascript:dofavoritenew(\'' + tid + '\');">Favorite</a>]</span>';
			ret = ret + '</div>';
			ret = ret + '<br clear=all>';
			ret = ret + '</span>';
			re = new RegExp("(http://twitpic.com/)([0-9a-zA-Z]*)");
			var m = re.exec(tweet);
			if  (!m || m.length == 0 || m[2] == "photos" || m[2] == "photo" || m[2] == "tag") {} else {ret = ret + '<center><a href="http://twitpic.com/' + m[2] + '" target="_blank"><img src="http://twitpic.com/show/thumb/' + m[2] + '" border=0 height=150 width=150></a></center>';}

			re = new RegExp("(http://flic.kr/p/)([0-9a-zA-Z]*)");
			var m = re.exec(tweet);
			if  (!m || m.length == 0 || m[2] == "photos" || m[2] == "photo" || m[2] == "tag") {} else {ret = ret + '<center><a href="http://flic.kr/p/' + m[2] + '" target="_blank"><img src="/flickr_thumb.php?id=' + m[2] + '" border=0></a></center>';}

			re = new RegExp("(http://snaptweet.com/)([0-9a-zA-Z]*)");
			var m = re.exec(tweet);
			if  (!m || m.length == 0 || m[2] == "photos" || m[2] == "photo" || m[2] == "tag") {} else {ret = ret + '<center><a href="http://snaptweet.com/' + m[2] + '" target="_blank"><img src="http://snaptweet.com/' + m[2] + '.thumb" border=0></a></center>';}
			
			
			ret = ret + '</div>';

		return ret;

}

function dosearch_bottom(arr)
{
	var ret = "";
	var lastid;
	if (arr.results.length > 0) {
		lastid = arr.results[0].id;
		for (var i = 0; i < arr.results.length; i++) {
			var user =   arr.results[i].from_user;
			var tweet =  arr.results[i].text;
			var tstamp = arr.results[i].created_at;
			    tstamp = new Date(tstamp);
				//tstamp = tstamp.format('D M d - g:i:s a');
				tstamp = tstamp.toLocaleString();
			var img =    arr.results[i].profile_image_url;
			var tid =    arr.results[i].id;

			ret = ret + formattweet(user,tweet,tstamp,img,tid,lastid);
		} // end for
		
		$('#results').prepend(ret);
		$('#results .newtweet-' + lastid).fadeIn("slow");
		//$('#results .newtweetsdiv:first').fadeIn("slow");

		$('#results').attr('lastid', lastid);
		refresh_interval = 8000;
	} else {
		refresh_interval = Math.floor(refresh_interval * 1.15);
		if (refresh_interval > 60000) {
			refresh_interval = 60000;
		}
	}
	

	$('.tweetdisplay:gt(350)').remove();
	
	lastid = $('#results').attr('lastid');
	//timer = setTimeout('twitter_search_proxy(jtw_urlencode(\'#ted \'), ' + lastid.toString() + ', dosearch_bottom);', refresh_interval);
	//timer = setTimeout('twitter_search_proxy(jtw_urlencode(\'' + glb_search + '\'), ' + lastid.toString() + ', dosearch_bottom);', refresh_interval);
	timer = setTimeout('do_search(' + lastid.toString() + ', dosearch_bottom);', refresh_interval);
		
}

function pause()
{
	clearTimeout(timer);
	$('#pause').text('Unpause');
}

function unpause()
{
	refresh_interval = 8000;
	lastid = $('#results').attr('lastid');
	//timer = setTimeout('twitter_search_proxy(jtw_urlencode(\'#ted \'), ' + lastid.toString() + ', dosearch_bottom);', 500);
	//timer = setTimeout('twitter_search_proxy(jtw_urlencode(\'' + glb_search + '\'), ' + lastid.toString() + ', dosearch_bottom);', 500);
	timer = setTimeout('do_search(' + lastid.toString() + ', dosearch_bottom);', 500);
	$('#pause').text('Pause');
}

function doretweet_new(user, tid)
{
	$('#tdiv_tweet').val('RT @' + user + ': ' + $('#tweet-'+tid).text()).focus();
	updatecharsnew($('#tdiv_tweet').val());
}

function changelanguage_search()
{
	glb_lang = $('#lang').val();
	pause();
	$('#results').attr('lastid', 0);
	$('#results').empty();
	unpause();
}

function searchclick(ev)
{
	
	newsearch = $('#si').val();
	changesearch(newsearch);
}

function trendclick(newsearch)
{
	newsearch = newsearch.replace("+", " ");
	$('#si').val(newsearch);
	changesearch(newsearch);
}

function changesearch(newsearch)
{
	
	newsearch = newsearch.replace("'", "\\\\\\'");
	
	glb_search = newsearch;
	update_autotweet(newsearch);
	pause();
	$('#results').attr('lastid', 0);
	$('#results').empty();
	unpause();
	
}

function update_autotweet(search)
{

	var patt=new RegExp("#");
	auto_tweet = 'I\'m searching for ' + search + ' live on TweetGrid Search - http://tweetgrid.com/search?q=' + jtw_urlencode(search);

	$('#tdiv_tweet').val(auto_tweet);
	
	if (patt.test(search)) {
		$('#tdiv_hashtag').val(search);
	} else {
		$('#tdiv_hashtag').val('#');
	}
	updatecharsnew($('#tdiv_tweet').val());
	
}

function langsel() {
	$('#langdiv').html('<center><b>Language</b></center><br><select class="lbox" id=lang onchange="javascript:changelanguage_search();"><option value="all" selected="selected">Any Language</option><option value="ar" >Arabic</option><option value="da" >Danish</option><option value="nl" >Dutch</option><option value="en" >English</option><option value="fi" >Finnish</option><option value="fr" >French</option><option value="de" >German</option><option value="he" >Hebrew</option><option value="hu" >Hungarian</option><option value="is" >Icelandic</option><option value="it" >Italian</option><option value="ja" >Japanese</option><option value="no" >Norwegian</option><option value="pl" >Polish</option><option value="pt" >Portuguese</option><option value="ru" >Russian</option><option value="es" >Spanish</option><option value="sv" >Swedish</option><option value="th" >Thai</option></select>');
}