/***********************************************/
/* GENERAL.JS.PHP : GENERIC JS FUNCTIONS       */
/* COPYRIGHT(C) 2009-2010 SPINNAKER360 PTE LTD */
/***********************************************/

/***** CUSTOM TOOL TIPS *****/
function initToolTip() {
// initToolTip() : initialize tool tips

	var ct = new Tips($$('.tooltip'), {
		onShow: function(){
			this.tip.setStyles({
				visibility:'visible',
				display:'block'
			});
			this.tip.set("class", "openTip");
		},
		onHide: function(){
			this.tip.setStyles({
				visibility:'hidden',
				display:'none'
			});
		}
	});
}

function closeTip() {
// closeTip() : force close open tooltips

	$$('.openTip').setStyles({
		visibility:'hidden',
		display:'none'
	});
}

/***** LOGIN / LOGOUT *****/
function login(){
// login() : processes login

	// (1) Check form
	var userEl = $('login_email'),
		passwordEl = $('login_password'),
		agreeEl = $('loginAgree'),
		user = userEl.value,
		password = passwordEl.value,
		focusEl,
		errmsg = "";

	if (user == "") {
		userEl.addClass("inputErr");
		errmsg += "Please enter your email.\n";
		focusEl = userEl;
	} else {
		userEl.removeClass("inputErr");
	}

	if (password == "") {
		passwordEl.addClass("inputErr");
		errmsg += "Please enter your password.\n";
		focusEl = focusEl || passwordEl; // give focus to userEl if invalid; otherwise give focus to passwordEl
	} else {
		passwordEl.removeClass("inputErr");
	}

	if (agreeEl.checked == false) {
		errmsg += "You must agree to the Terms of Use.";
		focusEl = focusEl || agreeEl;
	}

	// focus appropriate field if errors exist
	if (focusEl) {
		focusEl.focus();
	}

	if (errmsg) { alert(errmsg); }
	else {
		var data = {
			"action" : "login",
			"user" : user,
			"pass" : password
		};
		var req = new Request({
			url: 'ajax_user.php', async: false,
			onRequest: function() {
				$('loginProcessButton').addClass('spinner').disabled = true;
			},
			onSuccess: function(responseText) {
				if (responseText=="OK") {
					location.href = "index.php";
				} else {
					alert(responseText);
					$('loginProcessButton').removeClass('spinner').disabled = false;
				}
			}
		}).post(data);
	}
}

function logoff(){
// logoff() : process logoff

	var data = { "action" : "logoff" };
	var req = new Request({
		url: 'ajax_user.php', async: false,
		onRequest: function() {
			$('logoffButton').addClass('spinner').set('html', '').disabled = true;
		},
		onSuccess: function(responseText) {
			if (responseText == "OK") {
				location.href = "index.php";
			} else {
				$('logoffButton').removeClass('spinner').set('html', '[Logoff]').disabled = false;
				alert(responseText);
			}
		}
	}).post(data);
}

/***** POSTAL CODES *****/
function getAddress(postcode){
// getAddress() : get address for postal code
// PARAM postcode : postal code

	if(postcode.length==6 && !isNaN(postcode)){
		var data = {
			"action" : "getAddr",
			"pc" : postcode
		};
		var req = new Request({
			url: 'ajax_postcode.php', async: false,
			onRequest: function() {
				$('get_address_status').set("html", "<img src='images/spinnerSmall.gif' /> Loading...");
			},
			onSuccess: function(responseText){
				if(responseText==""){ $('get_address_status').set("html", "<img src='images/error.gif' /> Invalid postal code"); }
				else { $('get_address_status').set("html", ""); }
				$('address').value = responseText;
			}
		}).post(data);
	}
}

function checkService(){
// checkService() : checks for service availability

	var pc = $('servicePC').value;
	if (pc.length==6 && isFinite(pc)) {
		var data = {
			"action" : "checkService",
			"pc" : pc
		};
		popup.setMode("ajax", "ajax_service.php", data);
		popup.show();
	} else { alert("Please enter a valid postal code."); }
}

/***** PREVIOUS ORDERS *****/
function showPreviousOrder(orderID, prompt){
// showPreviousOrder() : show use previous order popup
// PARAM orderID : order ID
//       prompt : is this a prompt from the catalog page? (for flag purpose, will only show once)

	var data = {
		"action" : "showPreviousOrder",
		"orderID" : orderID
	};
	if(prompt){
		$extend(data, { "prompt" : 1 });
	}
	popup.onShow = function(){
		var productDetailsToggle = popup.contents.getElements('span[class=cartShowItemDetails]');
		if(productDetailsToggle!==undefined && productDetailsToggle!==null && productDetailsToggle!=""){
			var productDetails = popup.contents.getElements('div[class=cartItemDetails]');
			productDetails.each(function(el, index){
				var slide = new Fx.Slide(el).hide();
				productDetailsToggle[index].addEvent('click', function(){
					if(slide.open){ this.set("html", "[Show Details]"); }
					else{ this.set("html", "[Hide Details]"); }
					slide.toggle();
				});
			});
		}
	};
	popup.setMode("ajax", "ajax_order.php", data);
	popup.show();
}

function checkPreviousOrder(orderID){
// checkPreviousOrder() : check selected previous order if it is "safe" to add to cart
// PARAM orderID : order ID

    var data = {
		"action" : "checkPreviousOrder",
		"orderID" : orderID
	};
    var req = new Request({
		url: 'ajax_order.php', async: false,
		onSuccess: function(responseText){
			// Previous order is "clean"
			if(responseText=="OK"){
				usePreviousOrder(orderID, false);
			}
			// There are items that cannot be added to cart
			else{
				popup.onShow = function(){
					var productDetailsToggle = popup.contents.getElements('span[class=cartShowItemDetails]');
					if(productDetailsToggle!==undefined && productDetailsToggle!==null && productDetailsToggle!=""){
						var productDetails = popup.contents.getElements('div[class=cartItemDetails]');
						productDetails.each(function(el, index){
							var slide = new Fx.Slide(el).hide();
							productDetailsToggle[index].addEvent('click', function(){
								if(slide.open){ this.set("html", "[Show Details]"); }
								else{ this.set("html", "[Hide Details]"); }
								slide.toggle();
							});
						});
					}
				};
				popup.setMode("text", responseText);
				popup.show();
			}
		}
    }).post(data);
}

function usePreviousOrder(orderID, filter){
// usePreviousOrder() : uses a previous order to popuplate the cart
// PARAM orderID : order ID
//       filter : filter the order? (kill hot items)

	var data = {
		"action" : "usePreviousOrder",
		"orderID" : orderID
	};
	if(filter){
		$extend(data, { "filter" : 1 });
	}
	
	var req = new Request({
		url: 'ajax_order.php', async: false,
		onSuccess: function(responseText) {
			if($defined($('menuContentsR'))){
				var box = "<div id='popup_pOrderUsed'><table class='fullflat'><tr><td style='text-align:right;' valign='top'>"
				    + "<input id='fulfillClose' type='image' src='images/close.gif' onclick='popup.hide(); return false;' />"
					+ "</td></tr></table>"
					+ "<br />Your Shopping Cart has been replaced.<br /><br /><input type='button' value='Done' class='shortButton' onclick='popup.hide(); return false;' /></div>";
				popup.setMode("text", box);
				popup.onShow = function(){ updateSneak(); showCart(); };
				popup.show();
			} else {
				location.href="menu.php?show=1";
				// popup does not work on redirection.
				alert("Your cart has been replaced.");
			}
		}
	}).post(data);
}

function printThis(orderID){
// printThis() : prints the current open receipt

	var data = {
		"action" : "printOrder",
		"orderID" : orderID
	};
	var req = new Request({
		url: 'ajax_order.php', async: false,
		onRequest: function(){
			$('printButton').disabled = true;
		},
		onSuccess: function(responseText) {
			var printWin = window.open("","printOrder");
			printWin.document.open();
			printWin.document.write(responseText);
			printWin.print();
			$('printButton').disabled = false;
		}
	}).post(data);
}

/***** CHRONO *****/
function timeSync(){
// timeSync() : sync with server time

	// (A) KILL PREVIOUS TIMER FIRST
	if(timeKeeper!==null){ timeKeeper = $clear(timeKeeper); }

	// (B) RESYNC
	var data = { "action" : "sync" };
	var req = new Request({
		url: 'ajax_chrono.php', async: false,
		onRequest: function(){
			$('fulfillExpireWrapper').setStyle("display", "block");
			$('fulfillExpire').setStyle("display", "block");
			$('fulfillExpire').set("html", "<img src='images/spinnerSmall.gif' /> Synchronizing...");
		},
		onSuccess: function(response){
			currentTime = JSON.decode(response);
			currentTime['sec'] = parseInt(currentTime['sec']);
			currentTime['min'] = parseInt(currentTime['min']);
			currentTime['hr'] = parseInt(currentTime['hr']);
			currentTime['day'] = parseInt(currentTime['day']);
			currentTime['mth'] = parseInt(currentTime['mth']);
			currentTime['yr'] = parseInt(currentTime['yr']);
			clientTimeA = new Date();
			timeKeeper = pendulum.periodical(1000);
		}
	}).post(data);
}

function pendulum(){
// pendulum() : keeper of time.

	// (0) CALCULATE CLIENT CLOCK OFFSET
	// IF DIFFERENCE BETWEEN OLD TIMESTAMP AND CURRENT TIMESTAMP >= 2000 MS, OFFSET ACCORDINGLY
	clientTimeB = new Date();
	var diff = parseInt((clientTimeB - clientTimeA) / 1000);
	// MOD HERE : IMPLEMENT MORE CHECKS HERE IF REQUIRED - IF CLIENT MACHINE GOES BACK IN TIME...
	// NOTE : CHECKS ARE DONE ON THE SERVER END EITHER WAY...
	clientTimeA = clientTimeB;

	// (1A) USE CLIENT CLOCK OFFSET
	if(diff>=2){
		var diffSec = diff%60;
		var diffMin = parseInt(diff/60);
		// PAUSING FOR ENTIRE HOURS?
		var diffHr = parseInt(diffMin/60);
		// DAYS!??!
		var diffDay = parseInt(diffHr/24);
		// MONTHS!!@#!@#
		var diffMth = parseInt(diffDay/29);

		currentTime['sec']+=diffSec;
		currentTime['min']+=diffMin;
		currentTime['hr']+=diffHr;
		currentTime['day']+=diffDay;
		currentTime['mth']+=diffMth;
	}
	// (1B) NORMAL 'INCREMENT'
	else { currentTime['sec']++; }

	if(currentTime['sec']>=60){ currentTime['min']++; currentTime['sec']-=60; }
	if(currentTime['min']>=60){ currentTime['hr']++; currentTime['min']-=60; }
	if(currentTime['hr']>=24){ currentTime['hr']-=24; currentTime['day']++; }
	if(currentTime['day']>29){ currentTime['day']-=29; currentTime['mth']++; }
	if(currentTime['mth']>12){ currentTime['mth']-=12; currentTime['yr']++; }

	// (2) TIME BOMB
	var diff = ((timeBomb - Date.parse(getTimeStamp())) / 1000);

	// (3) SET THE TIME REMAINING
	if(diff>0){
		$('fulfillExpire').set("html", "Please complete your order in <div class='big'>"+lifeRemaining(diff)+"</div>");
	}

	// (4) ... OR PROMPT IF POPED
	else {
		// (4.1) DISABLE CHECKOUT
		if($defined($('cartPopupCheckout'))){ $('cartPopupCheckout').disable = true; }

		// (4.2) STOP CLOCKING
		timeKeeper = $clear(timeKeeper);
		$('fulfillExpire').set("html", "Your selected time/location<div class='big'>IS NO LONGER VALID!</div>");

		// (4.3) SET ANNOYANCE
		promptExpired();
	}
}

function getTimeStamp(){
// getTimeStamp() : produce a decent time stamp

	var h = currentTime['hr']<10 ? "0"+currentTime['hr'] : currentTime['hr'] ;
	var m = currentTime['min']<10 ? "0"+currentTime['min'] : currentTime['min'] ;
	var s = currentTime['sec']<10 ? "0"+currentTime['sec'] : currentTime['sec'] ;
	return currentTime['day']+"/"+currentTime['mth']+"/"+currentTime['yr']+" "+h+":"+m+":"+s;
}

function lifeRemaining(diff){
// lifeRemaining() : sets the remaining time to apoc in a nicer way - mm:ss
// PARAM diff : time to apoc... fulfill expiry (secs)

	var mins = parseInt(diff/60);
	var secs = diff%60;
	var toReturn = mins>0 ? mins+"m" : "" ;
	toReturn += " "+secs+"s";
	return toReturn;
}

function promptExpired(){
// promptExpired() : annoy the hell out of people

	var showExpired = function(){
		var data = { "action" : "fulfillExpired" };
		popup.setMode("ajax", "ajax_fulfill.php", data);
		popup.show();
	};
	if(popup.open){
		popup.onHide = function(){
			showExpired();
		};
	} else { showExpired(); }
}

function isNumeric(n){
// isNumeric() : checks if given is numeric

	return !isNaN(parseFloat(n)) && isFinite(n);
}