String.prototype.format = function() {
    var formatted = this;
    for (var i = 0; i < arguments.length; i++) {
        var regexp = new RegExp('\\{'+i+'\\}', 'gi');
        formatted = formatted.replace(regexp, arguments[i]);
    }
    return formatted;
};


var TextRequester = Class.create({
    initialize: function(params) {
        this.objectForRequest = new Hash()
        this.userIdSender = params.userIdSender
        this.userIdReceiver = params.userIdReceiver//so che se l'user id receiver è settato e non a null sono nel pubblic profile
        this.userFacebookIdReceiver = params.userFacebookIdReceiver
        this.userNameSender = params.userNameSender
        this.roomId = params.room_id
        this.userNameReceiver = params.userNameReceiver
        this.urlForRequest = params.urlForRequest || "/commons/json_request_for_text.php"
        this.boxRequester = params.boxRequester
        this.containerBox = params.containerBox
        this.titleRoom = params.titleRoom
        this.kindActivity = params.kind_activity
        this.btnActivity = null
        this.userSelected = new Hash({"facebook_user": new Hash(),"system_user": new Hash()});
        this.areFacebookFriend = params.areFacebookFriend
        //alert()
    },
    launchRequest: function(){
        this.objectForRequest.set("user_id_sender",this.userIdSender)
        this.objectForRequest.set("user_id_receiver",this.userIdReceiver)
        this.objectForRequest.set("room_id",this.roomId)
        this.objectForRequest.set("kind_activity",this.kindActivity)

        this.objectForRequest.set("box_request",this.boxRequester)
        this.objectForRequest.set("action","getTextFor"+this.boxRequester)
        this.objectForRequest.set("url",this.urlForRequest)
        this.requester = new Requester({
            object: this.objectForRequest,
            callBackAfterRequest: this.callBack.bind(this)
        })
        this.requester.sendRequest()
        this.requester = null;
    },
    callBack: function(fromServer){
        var msg = ""
        var string = ""
        for(msg in fromServer.serverObject)
            string += fromServer.serverObject[msg]
        string = this.sobstituteString(string,"tagA", "<a ")
        string = this.sobstituteString(string,"closeTagA", "</a>")
        string = this.sobstituteString(string,"closeTag", ">")

        this.containerBox.update(string)
        this.bindEventualBtnActivity();
    },
    sobstituteString: function(string, pattern, replacement){
      //String.prototype.replace = function(pattern, replacement) {
          return string.split(pattern).join(replacement);
      //}
    },
    bindEventualBtnActivity: function(){
        this.btnActivity1 = $$('.'+this.roomId+'.fromServer.UI-button.btn-type-1')[0]
        if(this.btnActivity1){
            this.btnActivity1.onclick = this.btnActivityClicked.bindAsEventListener(this)
        }
        this.btnActivity2 = $$('.'+this.roomId+'.fromServer.UI-button.btn-type-1')[1]
        if(this.btnActivity2){
            this.btnActivity2.onclick = this.btnActivityClicked.bindAsEventListener(this)
        }
    },
    callBackAfterActivityRequest: function(request){
        if(request.serverObject){
            if(!request.serverObject.msg){
                $$('.'+this.roomId+'.msg1')[0].style.display = "none"
                $$('.'+this.roomId+'.msg2')[0].style.display = ""}
            }
    },
    btnActivityClicked: function(){
        if(this.areFacebookFriend)
            this.userSelected.get("facebook_user").set(this.userIdReceiver,this.userNameReceiver);
        else
            this.userSelected.get("system_user").set(this.userIdReceiver,this.userNameReceiver);
        var objectForUser = new Hash({
            action:                 this.btnActivity1.id+"Request",
            url:                    "/house_manager/"+this.titleRoom+"_manager.php",
            user_id_sender:       this.userIdSender,
            kind_activities:      this.btnActivity1.id,
            user_receiver_ids:    this.userSelected,
            room_id:                this.roomId, //stanza mygarden = 1
            externalNotify:        true //false, controlleremo sul server se l'utente ha o non ha facebook
        })
        
        this.requester = new Requester({
            object: objectForUser,
            callBackAfterRequest: this.callBackAfterActivityRequest.bindAsEventListener(this),
            //paramsForCallBackAfterRequest: this.userSelected.get('facebook_user'),
            mustBuildRequest: 1
        })
        this.requester.sendRequest()
        this.requester = null;
    }

})