(function() {

 var DEFAULT_COMMAND_NAME = 'cookie';

 msnbc.misc.CookieCommand = Class.extend({

  init: function(m){
   this.module = m;
   this.commandsByName = {};
  },
  
  addCommand: function(c, v){
   if (v == undefined) {
    if (parseInt(c)!=NaN && parseInt(c)!='NaN') this.commandsByName[DEFAULT_COMMAND_NAME] = parseInt(c);
    
   }
   else {
    if (parseInt(v)!=NaN && parseInt(v)!='NaN') this.commandsByName[c] = parseInt(v);;
   }
    
  },

  toPartString: function(){

   var s = ''; 
   s += this.module;

   jQuery.each(this.commandsByName, function(k,v){
    if (k!=DEFAULT_COMMAND_NAME) s+='-'+k;
    s+='-'+v;
   }); 

   return s;
  }

 });


 msnbc.misc.StorypageCookie = msnbc.core.EventDispatcher.extend({

  init: function(name, rawValue){
   this.name = name;
   this.rawValue = rawValue;
   this.commandsByModule = {};

   this.parse();
  },

  parse: function(){
   var self = this;
   if (this.rawValue=='') return;
   var cs = this.rawValue.split('|');
   jQuery.each(cs,function(i,c){
    var m;
    var i = 1;
    var parts = c.split('-');
    m = parts[0];
    
    if (parts.length>1) {
     var cookieCmd = new msnbc.misc.CookieCommand(m);
     if (parts.length%2 == 0) {
      // even number, must include default first
      cookieCmd.addCommand(DEFAULT_COMMAND_NAME, parseInt(parts[1]));
      i = 2;
     } 

     while(i<parts.length) {
      cookieCmd.addCommand(parts[i], parseInt(parts[i+1]));
      i+=2;
     }

     self.commandsByModule[m] = cookieCmd;

    } else {
     // default? or problem
    }

   });

  },

  add: function(m, cmds){
   
   var cookieCmd;
   if (!this.commandsByModule[m]) {
    
    cookieCmd = new msnbc.misc.CookieCommand(m);
    this.commandsByModule[m] = cookieCmd;

   } else {
    cookieCmd = this.commandsByModule[m];
   }
   
   
   if (jQuery.isArray(cmds)) {
    jQuery.each(cmds, function(i, c){

     if (typeof(c) == 'string' || typeof(c) == 'number') {
      cookieCmd.addCommand(c); 
     } else {
      jQuery.each(c, function(k,v){      
       cookieCmd.addCommand(k,v);       
      });
     }
     
    });
   } else {
    // error?
   }
   
  },

  serialize: function(){
   var r = '';
   var flag = 0;
   jQuery.each(this.commandsByModule, function(k,v){
    if (flag++) r+="|";
    r+=v.toPartString();
   });
   this.rawValue = r;
   return r;
  }

 });


 msnbc.misc.CookieManager = msnbc.core.EventDispatcher.extend({

  init: function(){
   this.loadedCookiesByName = {};
  },

  loadCookie: function(cookieName){
   var raw = msnbc.legacy.readCookie(cookieName);
   var cookie = new msnbc.misc.StorypageCookie(cookieName, raw);
   this.loadedCookiesByName[cookieName] = cookie;
   return cookie;
   
  },
  
  saveCookie: function(cookieName){
   var cookie = this.getCookie(cookieName);
   var rawValue = cookie.serialize();
   // TODO: consider expires val
   msnbc.legacy.SetCookie(cookieName, rawValue);
  },
  
  getCookie: function(cookieName){
   var cookie;
   if (!this.loadedCookiesByName[cookieName]) {
    cookie = this.loadCookie(cookieName);
   } else {
    cookie = this.loadedCookiesByName[cookieName];
   }
   return cookie;
   
  },
  
  addCookieCommand: function(cookieName, module, commands, dontSave){
   dontSave = dontSave || false;
   var cookie = this.getCookie(cookieName);
   cookie.add( module, jQuery.makeArray(commands) );
   if (!dontSave) this.saveCookie(cookieName);
  }

 });

})();