//Javascript widget for Moongates. Last edit 2008-03-24 22:26
	//Author: Kakurady
	//星月门脚本。最后更新 2008-03-24 22:26
	//作者: 卡库拉迪
	
var date; //current time
var timePerErinnHour = 90000; //1 min 30 s
var timePerErinnMinute = 1500; //1.5 s
var timePerErinnDay = 2160000; //36 min

var serverTime; //current timeof server since unix epoch
var serverDate; //for display of server time only

var erinnDay;
var erinnHour; 
var erinnMinute;
var i; // iterator for moongate labels
var nGatesShown = 3;
var nGatesChanged = false;
var nPryceShown = 2;
var nPryceChanged = false;

var moongateTime; // a number
var moongateDate; // a Date

var moonGate;
var lastmoonGate;
var pryce;
var lastPryce;
///server-specific code for: NA(G2)

//This value should be modified with regards to DST
var serverOffset = -8 * 60 * 60 * 1000; //GMT - 7
var moonGateEpoch = Date.parse("Mar 23, 2008 22:21:00 GMT"); 
var pryceEpoch = Date.parse("Mar 24, 2008 00:00:00 GMT"); 
//List of Moongate locations
var moonGateList = [
12, 2, 9, 10,
3, 6, 10, 11,
13, 4, 12, 0, 
5, 9, 1, 7, 
13,
11, 2, 8, 6
]
var pryceList = [0,1,2,3,4,5,6,7,8,9,10,11,12,1];
///End server-specific code
///Language-specific code for: en

var msg = [
'Alby', 'Ciar', 'Tir Chonaill', 'Dugald Aisle', 'Rabbie', 'Math', 'Dunbarton',
'Fiodh', 'Gairech', 'Bangor', 'Peaca', 'Emain', 'Coil', 'Ceo', 'Cian'
];
var pmsg = [
'Outside Tir Chonaill Inn',
'Dugald Aisle Logging Camp Hut',
'Dunbarton East Potato Field',
'Dragon Ruins - House at 5`o clock ',
'Bangor Bar',
'Sen Mag 5th house from West',
'Emain Macha - Alley Behind Weapon Shop',
'Ceo island',
'Emain Macha - Island in South Pathway',
'Sen Mag 5th house from West',
'Dragon Ruins - House at 5`o clock',
'Outside Barri Dungeon',
'Dunbarton School Stairway'
];

var day=" day";
var days=" days";

var today="Today";
var next="Next";

///End Language-specific code

function doSomething(){
	date = new Date();

	//add the offset (in milliseconds) to UTC to get server time
	serverTime = date.getTime() + serverOffset;

	//game time
	erinnHour = Math.floor(serverTime / timePerErinnHour) % 24;
	erinnMinute = Math.floor(serverTime / timePerErinnMinute) % 60;
	
	//erinnDay = Math.floor(serverTime / timePerErinnDay) % 40;
	
	//moongate target
	moonGate = Math.floor(
		(serverTime - moonGateEpoch) / timePerErinnDay % moonGateList.length
	);	if (moonGate < 0){moonGate += moonGateList.length;};
	pryce = Math.floor(
		(serverTime - pryceEpoch) / timePerErinnDay % pryceList.length
	);	if (pryce < 0){pryce += pryceList.length;};

	//convert the milliseconds back to Date for easy displaying
	serverDate = new Date(serverTime);
	
	
	//access the document
	//textContent is not supported by IE 7
	document.getElementById("tGameTime").firstChild.nodeValue = erinnHour + ((erinnMinute < 10)?":0":":") + erinnMinute ;
	document.getElementById("trealtime1").firstChild.nodeValue = date.getHours() + ((date.getMinutes() < 10)?":0":":") + date.getMinutes();
	document.getElementById("trealtime2").firstChild.nodeValue = serverDate.getUTCHours() + ((serverDate.getUTCMinutes() < 10)?":0":":") + serverDate.getUTCMinutes();
	// document.getElementById("date").firstChild.nodeValue = "Day "+ erinnDay;
	
	//TODO: adjust how many moongate we have easier
	//TODO: No need to parse the gates each time this runs.
	if(nGatesChanged || moonGate != lastmoonGate){
		
		moongateTime = serverTime - Math.floor(serverTime % timePerErinnDay); //the server time for the current Erinn day's midnight
		moongateTime += (
				(erinnHour < 6)? //yesterday's gate?
				-6*timePerErinnHour : 
				18*timePerErinnHour)
			- serverOffset; //  so it's UTC again
		
		for(i=0; i < nGatesShown ; moongateTime += timePerErinnDay, i++){
			moongateDate  = new Date(moongateTime); // so as not to worry about converting dates!
			
			//Moongate Time
			document.getElementById("mgtm"+i).firstChild.nodeValue = moongateDate.getHours() + ((moongateDate.getMinutes() < 10)?":0":":") + moongateDate.getMinutes(); 
			//Moongate Destination
			document.getElementById("mgtxt"+i).firstChild.nodeValue = msg[moonGateList[(moonGate + i) % moonGateList.length]];
		}
		for(i=0; i<moonGateList.length; i++){
			if (moonGateList[(moonGate + i) % moonGateList.length] == 13){ // ceo
				document.getElementById("mgtxtceo").firstChild.nodeValue = i + ((i==1)?day: days);
				break;
			}
		}
	
		lastmoonGate = moonGate;
		nGatesChanged = false;
	}
	if(nPryceChanged|| pryce != lastPryce){
		
		moongateTime = serverTime - Math.floor(serverTime % timePerErinnDay); //the server time for the current Erinn day's midnight
		moongateTime -= serverOffset;
		
		for(i=0; i < nPryceShown ; moongateTime += timePerErinnDay, i++){
			moongateDate  = new Date(moongateTime); // so as not to worry about converting dates!
			
			//Moongate Time
			document.getElementById("prtm"+i).firstChild.nodeValue = moongateDate.getHours() + ((moongateDate.getMinutes() < 10)?":0":":") + moongateDate.getMinutes(); 
			//Moongate Destination
			document.getElementById("prtxt"+i).firstChild.nodeValue = pmsg[pryceList[(pryce + i) % pryceList.length]];
		}
		lastPryce = pryce;
		nPryceChanged = false;
	}
	//setContent(s, d.getTime());
}

function addRow(myTop, myPrefix){
	var myRow; var myCell1; var myCell2; var myCell3;
	var myShown;
	switch (myPrefix){	
		case "mg":myShown = nGatesShown; break;	
		case "pr":myShown = nPryceShown; break;
	}
	myRow = document.createElement("TR");
	myRow.id=myPrefix+"Row"+myShown;
	myRow.className="mgrow";
	//myCell1 = document.createElement("TD");
	//myCell1.id=myPrefix+"lbl"+myShown;
	//myCell1.className="mglabel";
	myCell2 = document.createElement("TD");
	myCell2.id=myPrefix+"tm"+myShown;
	myCell2.className="mglabel2";
	myCell3 = document.createElement("TD");
	myCell3.id=myPrefix+"txt"+myShown;
	myCell3.className="mgtext";
	
	//myCell1.appendChild(	document.createTextNode("in " + myShown + " days")	);
	myCell2.appendChild(	document.createTextNode("one")	);
	myCell3.appendChild(	document.createTextNode("moment...")	);
	//myRow.appendChild(myCell1);
	myRow.appendChild(myCell2);
	myRow.appendChild(myCell3);
	
	document.getElementById(myTop).appendChild(myRow);
	switch (myPrefix){
		case "mg":
			nGatesShown++;
			nGatesChanged = true; break;
		case "pr":
			nPryceShown++;
			nPryceChanged = true; break;
		default: 
	}
	doSomething();
}
function removeRow(){
//TODO:Check if rows can be removed
	var myRow;
	
	if (nGatesShown > 2){
		nGatesShown--;
		myRow = document.getElementById("mgRow"+nGatesShown);
		document.getElementById("moongatetbl").removeChild(myRow);
		nGatesChanged = true;
	}
}
function removeRow1(){
//TODO:Check if rows can be removed
	var myRow;
	
	if (nPryceShown > 1){
		nPryceShown--;
		myRow = document.getElementById("prRow"+nPryceShown);
		document.getElementById("pricetbl").removeChild(myRow);
		nPryceChanged = true;
	}
}

window.setInterval(doSomething, 200);