/**
 * Created with JetBrains PhpStorm.
 * User: Yossi
 * Date: 7/16/12
 * Time: 11:54 AM
 * To change this template use File | Settings | File Templates.
 */

function validateOS(){
    return navigator.platform=="Win32";
}

function getBrowser(){
  if ($.browser.msie){
    return 'ie';
  } else if ($.browser.webkit) {
    return /chrome/.test(navigator.userAgent.toLowerCase()) ? 'ch' : 'sa';
  } else if ($.browser.mozilla) {
    return 'ff';
  }else if ($.browser.opera){
    return 'op';
  }
  return 'other';
}


/**
 * @param elementsToBind - a jquery collection of elements to bind their click event to the download
 * @param downloadUrl - the download url
 * @param preExecuteCallback - a callback to execute before downloading, should this callback return false the the download will not continue
 * @param postExecuteCallback - a callback to execute after downloading
 * @return {Object}
 * @constructor
 */
function DownloadIndicator(elementsToBind ,downloadUrl, preExecuteCallback, postExecuteCallback){
  var darkenBackground = true;
  if (getBrowser() == 'ie'){	
    //Preload Ie9 network indicator, because ie9 refuses to load network assets after we do location.herf
    var img = new Image();
    img.src = '/images/directions_ie.png';
  }

  function darken() {
    $("#overlay").fadeIn(500);
    setTimeout(function () {
      $(document).bind('click', lighten);
    }, 1);
  }
  
  var lighten = function () {
    $("#overlay").fadeOut(500);
    $(".downloadIndicator").fadeOut(200);
    $(document).unbind('click', lighten);
  };

  var browserToDownloadIndicatorMap = {
    webkit:function () {
      AMddl(downloadUrl);
      $("#indicationChrome").fadeIn(500);
      $("#indicationChrome").animate({bottom:'-=80'}, 1000);
      var filename;	  
	   filename = $('#softwareName').clone().children().remove().end().text()+'_Setup.exe';
      /*if (window.nlp) {
        //filename = $('#softwareName').html().replace(/\s| /ig,'')+'Setup';
        filename = $('#softwareName').html().replace(/\s| /ig,'')+'Setup';
		
        if(filename.length > 21){
          filename = filename.slice(0,17) + "..."
        }
        filename += '.exe';
      } else {
        filename = downloadUrl ;
        filename = downloadUrl.slice(downloadUrl.lastIndexOf("/") +1, downloadUrl.lastIndexOf("."));
        if(filename.length > 21){
          filename = filename.slice(0,21) + "..."
        }
        filename = filename + downloadUrl.slice(downloadUrl.lastIndexOf("."));
      }*/
      $("#filename").text(filename);

    },
    msie8:function () {
      //this.ieIndicator();
      window.setTimeout( function() {lighten() }, 20000);
      if(window.a_download){
		AMddl(downloadUrl);
      }else{
        AMddl(downloadUrl);
      }
    },
    msie9:function () {
      this.ieIndicator();
      AMddl(downloadUrl);
    },
    ieIndicator:function () {	 
      $("#indicationIe").fadeIn(200);
      
      var eWidth = $("#indicationIe").width();
      var dWidth = $(document).width();
      var left = (dWidth / 2) - (eWidth / 2) + 35;

      $("#indicationIe").css({left:left + "px"});
	  $("#indicationIe").css({background:"url('../images/directions_ie.png') no-repeat"});
      $("#indicationIe").animate({bottom:'-=80'}, 1000);
	  
    },
    mozilla:function () {
      AMddl(downloadUrl);
      $("#indicationFireFox").fadeIn(200);
    }
  };

  function preformDownload(){
	 var MyAppName = $('#softwareName').clone().children().remove().end().text();
	if(typeof(ci) != 'undefined'){
		//now we fire google analytics event	
		if(_gaq){ _gaq.push(['_trackEvent', 'Downloads', 'LP Clicked Download',MyAppName+' '+ci]);}
	}
    if(typeof preExecuteCallback == "function"){
      if(preExecuteCallback() === false){
        return false;
      }
    }
    darken();

    //browserKey will be used to determine how we indicate a download to the user
    var browserKey = '';
    $.each($.browser, function (i, v) {
      if ($.inArray(i, ['webkit', 'opera', 'msie', 'mozilla']) !== -1) {
        browserKey = i;
        if (i === 'msie') {
          browserKey = browserKey + $.browser.version.substr(0, 1);
        }
      }
    });

    //has special indication for this browser? use it
    if (browserToDownloadIndicatorMap[browserKey] !== undefined) {
      browserToDownloadIndicatorMap[browserKey]();
    } else {
      //no indication, just download.
      AMddl(downloadUrl);
    }

    if(typeof postExecuteCallback == "function"){
      postExecuteCallback();
    }
  }

  var popup;
  function closePopup(){
    popup.hide();
    document.onselectstart = function() {
      return true;
    };
  }
  function openDownloadPopup(){
    popup =  $('#downloadPopup');
    if (darkenBackground){
      $("#overlay").fadeIn(500);
      $('.exit_pop', popup).bind('click',function(){
        closePopup();
        lighten();
      });
    }
    document.onselectstart = function() {
      return false;
    };
    var software_name = $('#softwareName').clone().children().remove().end().text();
    var icon_url = window.icon_url;
    popup.show();
    //$(".title_pop", popup).text(software_name);
    $(".name_text_pop", popup).text(software_name);
    if (icon_url) {
      $('.name_logo_pop',popup).css('background-image','url(' + icon_url + ')');
      $('.name_logo_pop',popup).show();
    } else {
      $('.name_logo_pop',popup).hide();
    }
    try{
      popup.center();
    } catch (e){
      popup.css('left', '40%');
      popup.css('top', '40%');
    }

    $('.download_btn_pop', popup).bind('click',function(){
      preformDownload();
      closePopup();
    });
  }

  elementsToBind.live('click',function () {
    preformDownload();
  });

  return  {
    getDownloadUrl : function(url){
      return downloadUrl;
    },
    setDownloadUrl : function(url){
      downloadUrl = url;
    },
    preformDownload : function(){
      preformDownload();
    },
    setPreExecuteCallback : function(func){
      preExecuteCallback = func;
    },
    setPostExecuteCallback : function(func){
      postExecuteCallback = func;
    },
    openDownloadPopup : function(){
      openDownloadPopup();
    }
  };
}


var cookieHandler = {
  getItem: function (sKey) {
    if (!sKey || !this.hasItem(sKey)) {
      return null;
    }
    return unescape(document.cookie.replace(new RegExp("(?:^|.*;\\s*)" + escape(sKey).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=\\s*((?:[^;](?!;))*[^;]?).*"), "$1"));
  },
  /**
   * docCookies.setItem(sKey, sValue, vEnd, sPath, sDomain, bSecure)
   *
   * @argument sKey (String): the name of the cookie;
   * @argument sValue (String): the value of the cookie;
   * @optional argument vEnd (Number, String, Date Object or null): the max-age in seconds (e.g., 31536e3 for a year) or the
   *  expires date in GMTString format or in Date Object format; if not specified it will expire at the end of session;
   * @optional argument sPath (String or null): e.g., "/", "/mydir"; if not specified, defaults to the current path of the current document location;
   * @optional argument sDomain (String or null): e.g., "example.com", ".example.com" (includes all subdomains) or "subdomain.example.com"; if not
   * specified, defaults to the host portion of the current document location;
   * @optional argument bSecure (Boolean or null): cookie will be transmitted only over secure protocol as https;
   * @return void;
   **/
  setItem: function (sKey, sValue, vEnd, sPath, sDomain, bSecure) {
    if (!sKey || /^(?:expires|max\-age|path|domain|secure)$/.test(sKey)){
      return undefined;
    }
    var sExpires = "";
    if (vEnd) {
      switch (typeof vEnd) {
        case "number":
          sExpires = "; max-age=" + vEnd;
          break;
        case "string":
          sExpires = "; expires=" + vEnd;
          break;
        case "object":
          if (vEnd.hasOwnProperty("toGMTString")) {
            sExpires = "; expires=" + vEnd.toGMTString();
          }
          break;
      }
    }
    document.cookie = escape(sKey) + "=" + escape(sValue) + sExpires + (sDomain ? "; domain=" + sDomain : "") + (sPath ? "; path=" + sPath : "") + (bSecure ? "; secure" : "");
  },
  removeItem: function (sKey) {
    if (!sKey || !this.hasItem(sKey)) {
      return;
    }
    var oExpDate = new Date();
    oExpDate.setDate(oExpDate.getDate() - 1);
    document.cookie = escape(sKey) + "=; expires=" + oExpDate.toGMTString() + "; path=/";
  },
  hasItem: function (sKey) {
    return (new RegExp("(?:^|;\\s*)" + escape(sKey).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=")).test(document.cookie);
  }
};

jQuery.fn.center = function () {
  this.css("position","absolute");
  this.css("top", Math.max(0, (($(window).height() - this.outerHeight()) / 2) +
      $(window).scrollTop()) + "px");
  this.css("left", Math.max(0, (($(window).width() - this.outerWidth()) / 2) +
      $(window).scrollLeft()) + "px");
  return this;
};

var dec = function (data) {
  // http://kevin.vanzonneveld.net
  // +   original by: Tyler Akins (http://rumkin.com)
  // +   improved by: Thunder.m
  // +      input by: Aman Gupta
  // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
  // +   bugfixed by: Onno Marsman
  // +   bugfixed by: Pellentesque Malesuada
  // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
  // +      input by: Brett Zamir (http://brett-zamir.me)
  // +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
  // *     example 1: base64_decode('S2V2aW4gdmFuIFpvbm5ldmVsZA==');
  // *     returns 1: 'Kevin van Zonneveld'
  // mozilla has this native
  // - but breaks in 2.0.0.12!
  //if (typeof this.window['atob'] == 'function') {
  //    return atob(data);
  //}
  var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
  var o1, o2, o3, h1, h2, h3, h4, bits, i = 0,
    ac = 0,
    dec = "",
    tmp_arr = [];

  if (!data) {
    return data;
  }

  data += '';

  do { // unpack four hexets into three octets using index points in b64
    h1 = b64.indexOf(data.charAt(i++));
    h2 = b64.indexOf(data.charAt(i++));
    h3 = b64.indexOf(data.charAt(i++));
    h4 = b64.indexOf(data.charAt(i++));

    bits = h1 << 18 | h2 << 12 | h3 << 6 | h4;

    o1 = bits >> 16 & 0xff;
    o2 = bits >> 8 & 0xff;
    o3 = bits & 0xff;

    if (h3 == 64) {
      tmp_arr[ac++] = String.fromCharCode(o1);
    } else if (h4 == 64) {
      tmp_arr[ac++] = String.fromCharCode(o1, o2);
    } else {
      tmp_arr[ac++] = String.fromCharCode(o1, o2, o3);
    }
  } while (i < data.length);

  decoded = tmp_arr.join('');

  return decoded;
};