/* utils.js - various utils that don't belong anywhere else */

/* trace function, for debugging */

IriSP.traceNum = 0;

IriSP.trace = function( msg, value ) {

/*

	if( IriSP.config.gui.debug === true ) {

		IriSP.traceNum += 1;

		IriSP.jQuery( "<div>"+IriSP.traceNum+" - "+msg+" : "+value+"</div>" ).appendTo( "#Ldt-output" );

	}

*/

};

/* used in callbacks - because in callbacks we lose "this",

   we need to have a special function which wraps "this" in 

   a closure. This way, the 

*/   

IriSP.wrap = function (obj, fn) {

  return function() {    

    var args = Array.prototype.slice.call(arguments, 0);

    return fn.apply(obj, args);

  }

}

/* convert a time to a percentage in the media */

IriSP.timeToPourcent = function(time, timetotal){

	var time = Math.abs(time);

  var timetotal = Math.abs(timetotal);

	return Math.floor((time/timetotal) * 100);

};

IriSP.padWithZeros = function(num) {

  if (Math.abs(num) < 10) {

    return "0" + num.toString();

  } else {

    return num.toString();

  }

};

/* convert a number of seconds to a tuple of the form 

   [hours, minutes, seconds]

*/

IriSP.secondsToTime = function(secs) {  

  var hours = Math.abs(parseInt( secs / 3600 ) % 24);

  var minutes = Math.abs(parseInt( secs / 60 ) % 60);

  var seconds = parseFloat(Math.abs(secs % 60).toFixed(0));

  var toString_fn = function() {

    var ret = "";

    if (hours > 0)

       ret = IriSP.padWithZeros(this.hours) + ":";

    ret += IriSP.padWithZeros(this.minutes) + ":" + IriSP.padWithZeros(this.seconds);

    return ret;

  }

  return {"hours" : hours, "minutes" : minutes, "seconds" : seconds, toString: toString_fn};

};

IriSP.secondsToString

/* format a tweet - replaces @name by a link to the profile, #hashtag, etc. */

IriSP.formatTweet = function(tweet) {

  var rNickname = /@(\w+)/gi; // matches a @handle

  var rHashtag = /#(\w+)/gi;  // matches a hashtag

  var rUrl = /((https?:\/\/)?[\w-]+(\.[\w-]+)+\.?(:\d+)?(\/\S*)?)/gi; // copied from http://codegolf.stackexchange.com/questions/464/shortest-url-regex-match-in-javascript/480#480

  var i1 = tweet.replace(rUrl, "<a href='$1'>$1</a>");

  var i2 = i1.replace(rNickname, "<a href='http://twitter.com/$1'>@$1</a>");

  var i3 = i2.replace(rHashtag, "<a href='http://twitter.com/search?q=%23$1'>#$1</a>");

  return i3;

};

IriSP.countProperties = function(obj) {

    var count = 0;

    for(var prop in obj) {

        if(obj.hasOwnProperty(prop))

                ++count;

    }

    return count;

};

/* for ie compatibility

if (Object.prototype.__defineGetter__&&!Object.defineProperty) {

   Object.defineProperty=function(obj,prop,desc) {

      if ("get" in desc) obj.__defineGetter__(prop,desc.get);

      if ("set" in desc) obj.__defineSetter__(prop,desc.set);

   }

}

*/