import com.xfactorstudio.xml.xpath. *;
import mx.events.EventDispatcher; 
import mx.utils.Delegate;

class Highscore 
{
	private static var listClip : MovieClip;
	private static var urlTemplate = "http://mitchell.dma.nl/games/2/scores.xml";///funda-no-waste";//"scores.xml";//"http://api.rangerclub.nl/rest/?method=getHighscores&apikey=[apikey]&gameid=[gameid]&nscores=10"
	//private static var apikey = "8729A619-908C-1D15-E8E89C0DB57ED40A";
	private static var gameid : String;
	private static var userid : String;
	//private static var score : Number;
	private static var table : MovieClip;
	private static var xml;
	private static var statusField : TextField;
	private static var nrWidth = 25; // breedte van de nr-kolom
	private static var scoreWidth = 60; // breedte van de score-kolom
	private static var statusInterval:Object;
	private static var button:Button;
	private static var color = 0xFFffff;
	//private static var result:LoadVars = new LoadVars();
	private static var event_dispatcher : EventDispatcher;	
	public static var ON_POST = "on_post";
	public static var ON_POST_ERROR = "on_post_error";
	//public static var ON_HIGHSCORE = "on_highscore";
	public static var ON_HIGHSCORE_FAIL = "on_highscore_fail";
	public static var CANCEL_HIGHSCORE = "cancel_highscore";
	private static var TOKEN = "006d0c293b206d8c3fb9";
	private static var MSG_LOAD = "De highscore wordt geladen";
	private static var CHECK_HIGHSCORE_URL = "http://mitchell.dma.nl/games/2/hiscore";
	private static var check_vars : LoadVars;
	private static var form : MovieClip;
	/**
	* Initialiseer de highscore
	*
	* @param  listClip : een clip met daarin een movieclip 'table' waarin de score wordt getoond
	* @param  form_clip : een clip met daarin 2 buttons 'ok_button' en 'cancel_button' en 3 velden: 'email', 'name', 'company'
	* 
	* en een button met de naam Button 
	*/
	
	public static function initialize (theListClip, form_clip, theGameid)//, theUserid)
	{ 
		trace ("ini hiscore"); 
		//score = 0;
		listClip = theListClip;
		listClip._visible = false;
		form = form_clip;
		form._visible=false;
		table = listClip.table;
		table._visible = false;
		button = listClip.button;
		statusField = createStatusField();
		event_dispatcher = new EventDispatcher;
		if (CustomActions) simulate ();
		else 
		{
			gameid = theGameid;
		//	userid = theUserid;
		}
		
		button.onRelease = function () {
			_root.loadMovie (_url);//+"?gameid="+gameid+"&userid="+userid);
		}
	}
	
	public static function addEventListener (type:String, method:Function) {
		event_dispatcher.addEventListener (type,method);
	}
	/**
	 * Post de highscore en laad daarna de tabel
	 * 
	 * @param  theScore 
	 */
	
	public static function post (theScore,username,email,company):Void
	{
		trace ("post! score="+theScore);
		listClip._visible = true;
		var load_vars = new LoadVars();
		load_vars.points = theScore;
		load_vars.username = username;
		load_vars.email = email;
		load_vars.company = company;
		var checksum = Sha1.encode (TOKEN+"_"+theScore);
		load_vars.checksum = checksum
		trace ("checksum="+checksum);
		xml = new XPathDocument ();
		xml.contentType = "text/xml";
		xml.ignoreWhite = true;
		xml.onLoad = function (succes) {
			trace ("on load");
			if (succes) {
				trace ("succes");
				event_dispatcher.dispatchEvent({type:ON_POST});
				parseXML (true);
			} 	else {
				showStatus ("Helaas, de highscore kon niet worden gepost vanwege een technische fout.");
				event_dispatcher.dispatchEvent({type:ON_POST_ERROR});
			}
		}/*
		function (succes) {
			for (var i in result) trace (i+"-->"+result);
			//trace ("load "+result.toString());
			if (succes) {
		
				event_dispatcher.dispatchEvent({type:ON_POST});
			
			} else {
				showStatus ("Helaas, de highscore kon niet worden gepost vanwege een technische fout.");
				event_dispatcher.dispatchEvent({type:ON_POST_ERROR});
			}
		}*/
		showStatus (MSG_LOAD, true);
		load_vars.sendAndLoad (url, xml, "POST");
		
		/*
		xml = new XPathDocument ();
		xml.contentType = "text/xml";
		xml.ignoreWhite = true;
		xml.onLoad = function (succes) {
			if (succes) {
				
				load (); // laad de highscore
				else showStatus ("Postfout: de highscore-server geeft een foutmelding");
			} else {
				showStatus ("Postfout: de highscore-server kon niet worden bereikt");
			}
		}
		xml.load (postUrl);
		*/
		
	}
	/** haal de score-xml op
	* 
	*/
	
	public static function load ()
	{
		trace ("load hi");
		listClip._visible=true;
		xml = new XPathDocument ();
		xml.contentType = "text/xml";
		xml.ignoreWhite = true;
		xml.onLoad = parseXML;
		showStatus (MSG_LOAD, true);
		xml.load (url);
	}
	
	/* *
	* Ga na of score een hiscore is, en stuur een event als het niet zo is.
	* Toon ook automatisch een form als het wel zo is
	*/
	public static function check_highscore (score:Number):Void {
		xml = new XPathDocument ();
		xml.contentType = "text/xml";		
		xml.ignoreWhite = true;
		xml.onLoad = parse_highscore_check
		check_vars = new LoadVars();
		check_vars.points = score;
		//check_vars.limit=10;
		check_vars.sendAndLoad (CHECK_HIGHSCORE_URL, xml, "GET");
	}
	
	/**
	* Geef actions aan de knoppen op het hiscore-form en toon het form
	**/
	private static function show_form (score:Number):Void {
		form.score = score;

		form.ok_button.onRelease = function () {
			form._visible=false;
			post (form.score,form.username.text,form.email.text,form.company.text)
		};
		form.cancel_button.onRelease = function () {
			form._visible=false;
			event_dispatcher.dispatchEvent({type:CANCEL_HIGHSCORE});
		};
		form._visible=true;
	}
	/** 
	* Interpreteer de feedback van de highscore server mbt een mogelijke hiscore
	*/
	private static function parse_highscore_check (succes:Boolean) : Void {
		trace ("parse_highscore_check");
		
		if (succes)
		{
	
			//clearStatus ();
			//var stat = xml.selectSingleNode(".//rsp").attributes.stat;
			//if (stat=="ok") {
			
			var is_hiscore = (xml.selectSingleNode("//hiscore").firstChild.nodeValue=="true");
			var points = new Number(xml.selectSingleNode ("//hiscore").attributes.points); // TODO
	
			if (is_hiscore) show_form (points);
			else event_dispatcher.dispatchEvent({type:ON_HIGHSCORE_FAIL});
			
		} else 
		{
			showStatus ("Helaas, de highscore-server kon niet worden bereikt. Excuses voor het ongemak.");
		}
	}
	
	/**
	 * bouw de tabel op
	 * 
	 * @param  succes : is het laden gelukt?
	 */
	
	
	private static function parseXML (succes:Boolean) : Void 
	{

		if (succes)
		{
			
			clearStatus ();
			//var stat = xml.selectSingleNode(".//rsp").attributes.stat;
			//if (stat=="ok") {
				
				var nodes = xml.selectNodes (".//score");
				if (nodes.length>0) {
					for (var i=0; i<nodes.length; i++) {
						trace (nodes[i]);
						var username = nodes[i].selectSingleNode("username").firstChild.nodeValue;
					
						var points = nodes[i].selectSingleNode("points").firstChild.nodeValue;
						trace (username+","+points);
						createRow (i,username,points);
					} 
				} else showStatus ("De highscore-server geeft onjuiste informatie terug. Excuses voor het ongemak. De foutmelding is: "+xml.toString());
		} else 
		{
			showStatus ("Helaas, de highscore-server kon niet worden bereikt. Excuses voor het ongemak.");
		}
	}
	
	/**
	 * Maak een rij in de tabel met nr, nickname en score 
	 * 
	 * @param  nr       
	 * @param  nickname 
	 * @param  score    
	 */
	
	private static function createRow (nr:Number, nickname:String, score:String):Void {
		var startX = table._x;
		var startY = table._y;
		var width = table._width;
		var y = startY + rowHeight*nr;
		createCell (new Vector(startX,y), nrWidth,""+(nr+1));
		createCell (new Vector(startX+nrWidth,y), width-nrWidth-scoreWidth,nickname);
		createCell (new Vector(startX+width-scoreWidth,y), scoreWidth,score, "right");
		
	}
	
	/**
	 * Maak een cel in de tabel
	 * 
	 * @param  pos  
	 * @param  text 
	 */
	
	private static function createCell (pos:Vector, width : Number, text:String, align : String):TextField {
	
		var d = listClip.getNextHighestDepth();
			trace ("create cell "+pos.y+"d= "+d);
		listClip.createTextField("textField"+d,d,pos.x,pos.y,width,rowHeight);
		var textField = listClip["textField"+d];
		textField.embedFonts = false;//true;
		var format = textFormat;
		if (align) format.align = align;
		textField.text=text;
		textField.setTextFormat(format);
		return textField;
	}
	
	/**
	* Vul testwaardes in voor gameid en userid
	*
	*/
	private static function simulate ()
	{
		gameid = "funda_no_waste";
		//userid = "3086";
	}
	
	private static function createStatusField ():TextField {
		var x = table._x;
		var y = table._y;
		var width = table._width;
		var d = listClip.getNextHighestDepth();
		listClip.createTextField("statusField",d,x,y,width,100);
		var textField = listClip.statusField;
		textField.embedFonts = false; //true;
		textField.multiline = true;
		textField.wordWrap = true;
		return textField;
		
	}
	
	/**
	 * Toon een statustekst
	 * 
	 * @param  text    
	 * @param  animate : als deze true is worden geanimeerde puntjes getoond
	 */
	
	private static function showStatus (text:String, animate:Boolean):Void {
		listClip._visible=true;
		clearStatus();
		if (animate) {
			var dir=1;
			var counter=0;
			statusInterval = _global.setInterval (function () {
				if (dir==1) {
					if (counter<5) counter++;
					else {
						counter=4;
						dir=-1;
					}
				} else {
					if (counter>0) counter--;
					else {
						counter=1;
						dir=1;
					}
				}
				var suffix="";
				while (suffix.length<counter) suffix+=".";
				statusField.text = text+suffix;
				statusField.setTextFormat(textFormat);
			},96);
		} else {
			statusField.text = text;
			statusField.setTextFormat(textFormat);
		}
	}
	
	/**
	 * Wis de statustekst en stop de animatie
	 * 
	 */
	
	private static function clearStatus ():Void {
		_global.clearInterval (statusInterval);
		statusField.text = "";
	}

	// ------------ Getters and setters
	public static function get url () : String 
	{
		var the_url = new String;
		the_url = Tools.replace (urlTemplate, "[gameid]", gameid);
		//the_url = Tools.replace (the_url, "[apikey]", apikey);
		return the_url;
	}
	

	
	public static function get rowHeight () {
		return table._height/10;
	}
	
	public static function get textFormat ():TextFormat {
		var textFormat = new TextFormat;
		textFormat.color=color;
		textFormat.font="Trebuchet MS";
		textFormat.size=14;
		return textFormat;
	}
}