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

IriSP.getLib = function(lib) {

    if (IriSP.libFiles.useCdn && typeof IriSP.libFiles.cdn[lib] == "string") {

        return IriSP.libFiles.cdn[lib];

    }

    if (typeof IriSP.libFiles.locations[lib] == "string") {

        return IriSP.libFiles.locations[lib];

    }

    if (typeof IriSP.libFiles.inDefaultDir[lib] == "string") {

        return IriSP.libFiles.defaultDir + IriSP.libFiles.inDefaultDir[lib];

    }

}

IriSP.loadCss = function(_cssFile) {

    IriSP.jQuery("<link>", {

        rel : "stylesheet",

        type : "text/css",

        href : _cssFile

    }).appendTo('head');

}

/*

IriSP.padWithZeros = function(num) {

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

    return "0" + num.toString();

  } else {

    return num.toString();

  }

};

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

   [hours, minutes, seconds]

IriSP.msToTime = function(ms) {

  return IriSP.secondsToTime(ms / 1000);

}

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

IriSP.formatTweet = function(tweet) {

  /*

    an array of arrays which hold a regexp and its replacement.

  */

  var regExps = [

    /* copied from http://codegolf.stackexchange.com/questions/464/shortest-url-regex-match-in-javascript/480#480 */

    [/((https?:\/\/)?[\w-]+(\.[\w-]+)+\.?(:\d+)?(\/\S*)?)/gi, "<a href='$1'>$1</a>"],

    [/@(\w+)/gi, "<a href='http://twitter.com/$1'>@$1</a>"], // matches a @handle

    [/#(\w+)/gi, "<a href='http://twitter.com/search?q=%23$1'>#$1</a>"],// matches a hashtag

    [/(\+\+)/gi, "<span class='Ldt-PolemicPlusPlus'>$1</span>"],

    [/(--)/gi, "<span class='Ldt-PolemicMinusMinus'>$1</span>"],

    [/(==)/gi, "<span class='Ldt-PolemicEqualEqual'>$1</span>"],

    [/(\?\?)/gi, "<span class='Ldt-PolemicQuestion'>$1</span>"]

  ]; 

  var i = 0;

  for(i = 0; i < regExps.length; i++) {

     tweet = tweet.replace(regExps[i][0], regExps[i][1]);

  }

  return tweet;

};

/*

IriSP.countProperties = function(obj) {

    var count = 0;

    for(var prop in obj) {

        if(obj.hasOwnProperty(prop))

                ++count;

    }

    return count;

};

// conversion de couleur Decimal vers HexaDecimal || 000 si fff

IriSP.DEC_HEXA_COLOR = function (dec) {

  var val = +dec;

  var str = val.toString(16);

  var zeroes = "";

  if (str.length < 6) {

    for (var i = 0; i < 6 - str.length; i++)

      zeroes += "0";

  }

  return zeroes + str;

};

/* shortcut to have global variables in templates

IriSP.templToHTML = function(template, values) {

  var params = IriSP._.extend(

      {

          "l10n" : IriSP.i18n.getMessages()

      },

      values);

  return Mustache.to_html(template, params);

};

/* we need to be stricter than encodeURIComponent,

   because of twitter

*/  

IriSP.encodeURI = function(str) {

  return encodeURIComponent(str).replace(/!/g, '%21').replace(/'/g, '%27').replace(/\(/g, '%28').  

                                 replace(/\)/g, '%29').replace(/\*/g, '%2A');  

}

IriSP.jqEscape = function(text) {

   return text.replace(/(:|\.)/g,'\\$1')

}

IriSP.jqId = function (text) { 

   return IriSP.jQuery('#' + IriSP.jqEscape(text));

 }  

/** returns an url to share on facebook */

IriSP.mkFbUrl = function(url, text) {

  if (typeof(text) === "undefined")

    text = "I'm watching ";

  return "http://www.facebook.com/share.php?u=" + IriSP.encodeURI(text) + IriSP.shorten_url(url);

};

/** returns an url to share on twitter */

IriSP.mkTweetUrl = function(url, text) {

  if (typeof(text) === "undefined")

    text = "I'm watching ";

  return "http://twitter.com/home?status=" + IriSP.encodeURI(text) + IriSP.shorten_url(url);

};

/** returns an url to share on google + */

IriSP.mkGplusUrl = function(url, text) {

  return "https://plusone.google.com/_/+1/confirm?hl=en&url=" + IriSP.shorten_url(url);

};

/** get a property that can have multiple names **/

/** issue a call to an url shortener and return the shortened url */

IriSP.shorten_url = function(url) {

  return encodeURIComponent(url);

};

/* 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);

   }

}

*/

/* Creates regexps from text */

IriSP.regexpFromText = function(_text) {

    return new RegExp('(' + _text.replace(/(\W)/gim,'\\$1') + ')','gim');

}