// JavaScript Document

Shoutbox.path = "shoutbox/";

function Shoutbox(divid,instancename,width,height){
		var id = divid;
		var instancename = instancename;
		var width = width;
		var height = height;
		var timestamp = new Date("January 1, 1970 00:00:00");
		var newTime=new Date();
		var allowedmsgcountincycle =10;
		var cycleduration =10;
		var banned = false;
		var msgcount = 0;
		var overallmsgcount = 0;
		var maxprobation = 10;
		var probationcount=0;
		var allowedmsglength = 255;
		var outerbox;
		var box;
		var lowerbox;
		
		var uname;
		var umessage;
		
		this.isEnter = isEnter;
		this.sendMessage = sendMessage;
		this.resetmsgCount = resetmsgCount;
		this.retrieveByCycle = retrieveByCycle;
		this.retrieveRequest = retrieveRequest;
		this.ProcessInput = ProcessInput;
		
		Start();
		function Start(){
			outerbox = document.getElementById(id);
			if(outerbox!=null){
				outerbox.innerHTML = Render();
				box = document.getElementById(instancename+'shoutboxdiv');
				lowerbox = document.getElementById(instancename+'lowerbox');
				uname = document.getElementById(instancename+'name');
				umessage = document.getElementById(instancename+'message');				
				if(width != "undefined"){
					outerbox.style.width = width;					
				}
				if(height != "undefined"){
					outerbox.style.height = height;					
				}else{
				}				
				
				firstRun();				
			}
				
		}
		
		function Render(){
			var st ='<div id="' +instancename+'shoutboxdiv" class="shoutbox" align="left"></div>';
			return st;
		}
		
		function attachtextboxevents(){				
				addEvent(umessage,"onkeypress", instancename +'.ProcessInput');
		}
		function ProcessInput(e){		
				if (isEnter(e)){
					SendMessage();					
				}
				
		}
		
		function isEnter(e)
		{
			var keynum;
			var keychar=0;
			var numcheck;	
			if(e.keyCode)
			{
				keynum = e.keyCode;
				
			}
			else if(e.which)
			{
				keynum = e.which;
			}
			if(keynum == 13)
				return true;
			else
				return false;	
		}
		
		function retrieveXML(posdata,dir){
			var xml = $.ajax({
			type: "POST",
			url: Shoutbox.path + "retrieveshoutbox.php",
			dataType: "xml",
			data: posdata,
			success: function(msg){
				showData(msg.documentElement,box,dir);	
				if(dir==0){
					resetmsgCount();
					retrieveByCycle();
					//setTimeout(instancename+'.retrieveRequest()',cycleduration * 1000);								
				//}else{
				//	setTimeout(instancename+'.retrieveRequest()',cycleduration * 1000);								
				}
			}
			}).responseXML;			
			return xml;
		}
		function showData(xml,datadoc,dir){		
			for (var i = 0; i < xml.childNodes.length; i++)
			{		
				try{
					name =  xml.getElementsByTagName("NAME")[i].childNodes[0].nodeValue;			
				}catch(e){
					name = "Noname";				
				}
				try{		
					msg =  xml.getElementsByTagName("MESSAGE")[i].childNodes[0].nodeValue;	
				}catch(e){	
					msg = "message";					
				}
				try{
					created = xml.getElementsByTagName("CREATED")[i].childNodes[0].nodeValue;			
					newTime = new Date(created);			
				}catch(e){
					created = "No Date";	
					newTime = new Date();
				}
					
				if(dir == 0 ){
					datadoc.innerHTML = formatmsg(name,msg,created)  + "" + datadoc.innerHTML;
				}
				else{
					datadoc.innerHTML =  datadoc.innerHTML + formatmsg(name,msg,created) + "";	
	
				}
				
				if (timestamp < newTime ){
					timestamp =newTime;				
				}
			}  
			if(i!=0)			
				datadoc.scrollTop = datadoc.scrollHeight;
			
		}
		
		function formatmsg(name,msg,created){
			return ('<div class="message"><div class="messagedate">' + created + '</div><div class="messagecontent">' + msg + '</div><div class="messagename">From: ' + name + '</div></div>\n' );
		}
		
		function addContent(doc,content){
			doc.innerHTML = doc.innerHTML + '<div class="message">' + content + '</div>';
			doc.scrollTop = doc.scrollHeight;
		}
		
		function firstRun(){
			var xml = retrieveXML("limit=25",0);		
		}
		
		function retrieveRequest(){
			var xml = retrieveXML("timestamp="+timestamp.getFullYear()+'-'+(timestamp.getMonth()+1)+'-'+timestamp.getDate()+' '+timestamp.getHours()+':'+timestamp.getMinutes()+':'+timestamp.getSeconds(),1);		
		}
		
		function sendMessage(name,msg,iduser,btn){ 
			if (1){ 
				if (msgcount < allowedmsgcountincycle){
					if (probationcount < maxprobation){
						$.ajax({type: 'POST',
								url: Shoutbox.path + 'processshoutbox.php',
								data: 'option=1&name='+name.value+'&message='+msg.value+'&id_user='+iduser.value, 						
								success: function(msg){ if (msg!=''){  
															probationcount++;
															addContent(document.getElementById(instancename+'shoutboxdiv'),msg);														
															if (probationcount > maxprobation){	
															banUser();
															addContent(document.getElementById(instancename+'shoutboxdiv'),"Due to your actions... you are banned from sending msg.");
															banned = true;
														}
														}
														else{			
															retrieveRequest();														
															msgcount ++;														
														}														
														}
						});
					}
					else{
						banUser();
						addContent(document.getElementById(instancename+'shoutboxdiv'),"Sorry... You are banned from sending msg.");
						banned = true;
					}
				}
				else{
						addContent(document.getElementById(instancename+'shoutboxdiv'),"Sorry... Please refrain from sending too many msg at a time. Wait a while to send your msg.");
						probationcount ++;
						if (probationcount > maxprobation){	
							banUser();
							addContent(document.getElementById(instancename+'shoutboxdiv'),"Due to your actions... you are banned from sending msg.");
							banned = true;
						}
						btn.disabled = false;
				}
			}
			else{
					addContent(document.getElementById(instancename+'shoutboxdiv'),"Your msg is too long...");
					btn.disabled = false;
			}
		}
		
		function resetmsgCount(){
					
					overallmsgcount += msgcount;
					msgcount = 0; 
					//if (banned!= true)
					//	btn.disabled = false;
					setTimeout(instancename+'.resetmsgCount()',cycleduration * 1000);				
					
		}
		
		function retrieveByCycle(){			
					retrieveRequest();
					setTimeout(instancename+'.retrieveByCycle()',cycleduration * 1000);	
					//alert("asd");
					
		}
		
		function banUser(){
			$.ajax({type: 'POST',
							url: Shoutbox.path + 'processshoutbox.php',
							data: 'option=2'
							});
		}	
		
}