/**	

NRE Live Boards for IE9/HTML5
@authour edwin.webb @ fortune cookie

**/


var xm = {
	firstVisit : false,
	firstPinnedVisit: false,
	storage : ls,
	pin : pinJS,
	ajax : lt,
	timer : "",
	el : {
		win : $(window),
		content : $("#content"),
		settings : $("#settings_"),
		search : $("#search_"),
		sections : $("section"),
		results : $("#results_"),
		arrivals : $("#arrivals"),
		departures : $("#departures"),
		calling : $("#calling_"),
		status : $("#status"),
		station : $("#station"),
		filter : $("#filter"),
		tooltip : $("#tooltip"),
		resultsNav : $("#results_ nav"),
		favIcon : $("#fav-me")
	},
	
	opt : {
		slideWidth : 600,
		hGap : 0,
		vGap : 0,
		departing : true,
		pagination : 0,
		refreshTime : 180000,
		currentTime : "00:00",
		firstRun : true
	}
	
}

var xv = {

	picker : stationPicker,
	
	positionContent : function() {
	
		xm.opt.vGap = xm.el.win.height() * .2;
		xm.opt.hGap = (xm.el.win.width() - xm.opt.slideWidth) / 2;
		
		xv.hideTip();
		
		xm.el.content.css({"left":xm.opt.hGap,"padding-right" : xm.opt.hGap});
		$("#f1").css("width",xm.opt.hGap);
		$("#f2").css("width",xm.opt.hGap);
		
		//xv.showSection(0);
	
	},
	
	showSection : function(i) {
		/*
		xm.el.sections.hide();
		xm.el.sections.eq(i).show();
		xv.positionContent();
		*/
		var el = $("html:not(:animated),body:not(:animated)");
		var t = 500;
		var e = "swing";
		var q = true;
				
		switch(i) {
			case 0 :
				el.animate({ scrollLeft: 0},{"duration" : t, "easing" : e , "queue": q});
				//Hide any open calling points details.
				xm.el.calling.children("div").hide();
			break;
			case 1 :
				el.animate({ scrollLeft: 600},{"duration" : t, "easing" : e , "queue": q});
			break;
			case 2 :
				el.animate({ scrollLeft: 1100},{"duration" : t, "easing" : e , "queue": q});
			break;
			case 3 :
				el.animate({ scrollLeft: 1600},{"duration" : t, "easing" : e , "queue": q});
				//Hide any open calling points details.
				xm.el.calling.children("div").hide();
			break;
		}
	},
	
	showTip : function(element,msg,offset) {
		var $element = $(element);
			
		xm.el.tooltip.css({
			"top" : $element.offset().top + $element.height() + 5 + offset.top,
			"left" : $element.offset().left + offset.left,
			"display" : "block"
		}).html(msg);
	},
	
	hideTip : function() {
		xm.el.tooltip.empty().hide();
	},
	
	shake : function(el) {
		el.animate({"left":"-10px"},33)
		.animate({"left":"10px"},33)
		.animate({"left":"-9px"},33)
		.animate({"left":"9px"},33)
		.animate({"left":"0px"},33);
	}, 
	
	renderResults : function(target,json) {
	
		var i;
		var resultsHTML;
		var station = xm.el.station.val();

		
		xm.el.results.find("h1").text(xm.el.station.val()).attr("title",station);
		
		if(station == xm.storage.FC.workStn || station == xm.storage.FC.homeStn || $.inArray(station,xm.storage.FC.favorites) > -1) {
			$("#fav-me").addClass("active");
		} else {
			$("#fav-me").removeClass("active");
		}
		
		if(json.trains.length === 0) {
			if(json.buses.length === 0 && json.ferries.length === 0 && json.trains.length === 0) {
				resultsHTML = "<p class='no-results'>Sorry, no results found</p>";
			} else {
				resultsHTML = "<p class='no-results'>Sorry, no trains found.</p>";
				resultsHTML += '<p class="no-results small">However we did find buses ('+ json.buses.length +') or ferries ('+ json.ferries.length +') which can be seen <a href="http://ojp.nationalrail.co.uk/en/s/ldbboard/dep/'+ xm.el.station.attr("data-station-crs") +'">at the national rail website</a></p>';
			}
		} else {
			resultsHTML =  xm.ajax.buildTableRows(json.trains);
		}
		
		target.find(".results").html(resultsHTML);
		
		target.find("thead tr th:last-child").text("@" + json.time);
			
		xm.el.resultsNav.find("a").removeClass("selected");
		xm.el.resultsNav.find("a:contains('"+target[0].id+"')").addClass("selected");
		
		xv.renderPagination(target,json.time);
		
	},
	
	renderDetails : function(id,json) {
		xm.el.calling.find("tbody").empty().html(xm.ajax.buildDetailsTableRows(json.trains));
		
		window.location.hash = "calling";
		
		var target = xm.el.results.find(".results > div:[data-service-id='"+id+"']");
		var calling = xm.el.calling.children("div");
		var callingDIV = calling.children("div");
		
		calling.show();
		callingDIV.css({"height":"auto","overflow-y":"auto","max-height":"auto","top":"auto"});
		calling.css("top","auto");
		
		if(xm.el.calling.height() > parseInt(xm.el.win.height()) - 250) {
			callingDIV.css({"height":parseInt(xm.el.win.height()) - 250, "overflow-y" : "auto", "top":"0px"});
		} else {
			calling.css({"top": (target.offset().top - (calling.height() / 2)) - 135});
			if(calling.offset().top + calling.outerHeight() > parseInt(xm.el.win.height()) - 50) {
				callingDIV.css({"height":parseInt(xm.el.win.height()) - 250, "overflow-y" : "auto"});
				calling.css("top","auto");
			}
			
		}
	},
	
	renderPagination : function(target,time) {
		
		var html = "";
		var results = target.find(".results").children();
		var length = results.length;
		
		
		if(length <= 10) {
			target.find(".pagination").hide();
			return false;
		}
		
		for(var i = 0; i < length ; i++) {
			
			var page = i%10 == 0;
			var range = i >= xm.opt.pagination*10 && i < (xm.opt.pagination*10)+10;
			
			if(page && range) {
				html += '<span>' + (i/10+1) + '</span>';
			} else if(page) {
				html += '<a>' + (i/10+1) + '</a>';
			}
			
			if(range) {
				results[i].style.display = "block";
				if(xm.opt.pagination  == 0) {
					xv.animateRow(results[i],i - (xm.opt.pagination*10));
				} else {
					xv.animateRowQuick(results[i],i - (xm.opt.pagination*10));
				}
				
			} else {
				results[i].style.display = "none";
			}
		}
		
		if(time) {
			html += "<time>Updated at : "+ time +"</time>";
			xm.currentTime = time;
		} else {
			html += "<time>Updated at : "+ xm.currentTime +"</time>";
		}
		target.find(".pagination").html(html);
	},
	
	renderFaves : function() {
	
		var f = xm.storage.FC.favorites;
		var c = xm.el.settings;
		var tablerow = '<tr><td>Y</td><td><button class="remove">-</button></td></tr>';
		
		if(f.length > 2) {
			c.find("tbody tr").eq(0).hide();
		} else {
			c.find("tbody tr").eq(0).show();
		}
		
		xm.el.settings.find("tbody tr").not("tr:first-child").remove();
		
		for(var i = 0; i < f.length; i++) {
			c.find("tbody").append(tablerow.replace(/Y/,f[i]));
		}
		
	},
	
	showResults : function(departing) {
		var current;
		
		if(departing) {
			xm.el.departures.show();
			xm.el.arrivals.hide(); 
			current = xm.el.departures;
		} else {
			xm.el.arrivals.show();
			xm.el.departures.hide();
			current = xm.el.arrivals;
		}
				
	},
	
	showStatus : function(html) {
		xm.el.status.show();
		xm.el.status.find("div").html(html);
		xm.pin.pushIconToList("http://ie9.nationalrail.co.uk/img/warning_16.ico","There is a status update for " + xm.el.station.val());
	},
	
	hideStatus : function() {
		xm.el.status.hide();
		xm.pin.clearIcon();
	},
		
	animateRowQuick : function(el,i) {
		var time = 500;
		$(el).css("left",-xm.opt.hGap - $(el).width() - 100).delay((i+1)*time/2).animate({"left":0},time,"easeOutQuad");
		$(el).hover(xc.rowOver,xc.rowOut);
	},
	
	animateRow : function(el,i) {
		var time = 500;
		$(el).hide().delay(1200).css("left",-xm.opt.hGap - $(el).width() - 600).delay((i+1)*time/2).show().animate({"left":0},time,"easeOutQuad");
		$(el).hover(xc.rowOver,xc.rowOut);
	}
	
}

var xc = {
	init : function() {

		xv.picker.init();
		xm.storage.init();
		xm.pin.clearIcon();
			
		xv.positionContent();
			
		xv.picker.addInputSet({
			from: xm.el.station
		});
		
		xv.picker.addInputSet({
			from: xm.el.filter
		});
			
		xc.initSettings();
		
		xc.hashChangeHandler({},true);
		
		xm.opt.firstRun = false;
				
		$(".picker button").click(xc.buttonHandler);
		$(".picker input").focus(xc.inputHandler);
		xm.el.win.bind("LDBJSONLoaded",xc.LDBJSONHandler);
		xm.el.win.bind("detailsJSONLoaded",xc.detailsJSONHandler);
		$("#results_ nav a").click(xc.navHandler);
		$(".pagination").click(xc.paginationClickhandler);
		xm.el.results.find("#fav-me").click(xc.stationHoverHandler);
		xm.el.win.bind("click",xc.windowClickHandler);
		xm.el.tooltip.click(xc.toolTipClickHanlder);
		xm.el.win.bind("resize",xv.positionContent);
		$(".results").click(xc.resultsClickHandler);
		xm.el.win.bind("hashchange",xc.hashChangeHandler);
		xm.el.settings.click(xc.settingsClickHandler);
		$(".fade").click(xc.fadeClickHandler);
		
		//xv.showSection(0);
		
		$("#loading-splash").fadeOut();
		
		
	},
		
	initSettings : function() {
		xv.picker.addInputSet({
			from: $("#work")
		});
		
		xv.picker.addInputSet({
			from: $("#home")
		});
		
		xv.picker.addInputSet({
			from: $("#addStation")
		});
		
		xv.renderFaves();
	},
	
	buttonHandler : function(e) {
		var input = $(this).siblings("input");
		var station = input.val();
		
		if($.trim(station).length && input.attr("data-stationok") == "true"){
			
			switch(input[0].id) {
				case "station" : 
					xm.storage.addSave("recents",station); 
					xm.el.filter.val(" ");
					xm.opt.pagination = 0;
					xm.ajax.callLDB(station," ", true, xc.stationJSONHanlder);
				break;
				
				case "filter" : 
					xm.storage.addSave("recents",station); 
					xm.ajax.callLDB(xm.el.station.val(), station, xm.opt.departing, xc.stationJSONHanlder);
					xm.opt.pagination = 0;
				break;
				
				case "addStation" :
					xm.storage.addSave("favorites",station);
				break;
				
				default : 
					xm.storage.setStation(this.id.slice(3),input.val());
					input.css("background-color","#598527").animate({"backgroundColor" : "rgb(255,255,255)"},1000);
				break;
			}
			
		} else {
			xv.shake(input.parent(".picker"));
			xv.showTip(input.parent(".picker")[0], "Sorry, please start typing and choose from the list",{"top":0,"left":0})
		}
	},
	
	inputHandler : function(e) {
		xv.hideTip();
		this.value = "";
	},
	
	LDBJSONHandler : function(e,departing,json) {
		
		if(json.updates.length) {
			xv.showStatus(xm.ajax.writeStatusUpdates(json.updates));
		} else {
			xv.hideStatus();
		}
		
		xv.renderResults(departing ? xm.el.departures : xm.el.arrivals , json);
		
		xv.showResults(departing);
		
		window.location.hash = "results";
		
		xm.opt.pagination = 0;
		
		xc.startTimer();
	},
	
	detailsJSONHandler : function(e,json,id) {
		xv.renderDetails(id,json);
		if(window.location.hash = "calling") {
			xv.showSection(2);
		} else {
			window.location.hash = "calling"
		}
	},
	
	navHandler : function(e) {
		e.preventDefault();
		xm.opt.departing = this.innerText == "departures";
		xm.ajax.callLDB(xm.el.station.val(),xm.el.filter.val(), xm.opt.departing, xc.stationJSONHanlder);
	},
	
	paginationClickhandler : function(e) {
		var i = parseInt(e.target.innerHTML) - 1;
		
		if(i >= 0) {
			xm.opt.pagination = i;
			xv.renderPagination(xm.opt.departing ? xm.el.departures : xm.el.arrivals, false);
		}
		
	},
	
	stationHoverHandler : function(e) {
		
		var s = xm.storage.FC;
		var v = xm.el.station.val();
		var star = false;
		var content = '<span class="close" onclick="$(this).parent().slideUp()">Close</span><ul><li class="work">Set as Work Station</li><li class="home">Set as Home Station</li><li class="fav">Add favourite</li><li class="info"><a href="http://www.nationalrail.co.uk/stations_destinations/search.html?stnq='+ v +'" target="_blank">Station information</a></li><li class="settings">Settings</li></ul>';
		
		xv.showTip($(this),content,{top:-5,left:-35});
		
		xm.el.tooltip.find("li").show();
			
		if($.inArray(v,s.favorites) > -1) {
			xm.el.tooltip.find(".fav").hide();
		} 
		
		if(v == s.workStn) {
			xm.el.tooltip.find(".work").hide();
		}
		
		if(v == s.homeStn) {
			xm.el.tooltip.find(".home").hide();
		}
		
	},
	
	toolTipClickHanlder : function(e) {
		e.stopPropagation();
				
		switch(e.target.className) {
		
			case "work" :
				xm.storage.setStation("workStn", xm.el.station.val());
				xm.el.favIcon.addClass("active");
			break;
			
			case "home" :
				xm.storage.setStation("homeStn", xm.el.station.val());
				xm.el.favIcon.addClass("active");
			break;
			
			case "fav" :
				xm.storage.addSave("favorites",xm.el.station.val());
				xm.el.favIcon.addClass("active");
			break;
				
			case "settings" :
				xv.showSection(3);
			break;
		}
		
		xm.storage.setStationPicker();
		xv.hideTip();
	},
	
	resultsClickHandler : function(e) {
		var id = $(e.target).parent("div").attr("data-service-id");
		if(!id) {
			id = $(e.target).attr("data-service-id")
		}
		if(id.length == 0) {
			return false;
		}
		xm.ajax.callCallingPoints(id);
	},
	
	hashChangeHandler : function(e,i) {
		if(!i) {
			e.preventDefault();
			e.stopPropagation();
		}
		
		var loc = window.location.hash.slice(1);
				
		switch(loc) {
			case "" :
			case "search" :
				xv.showSection(0);
			break;
			
			case "results" :
				if(xm.opt.firstRun) {
					window.location.hash = "search";
				} else {
					xv.showSection(1);
				}
			break;
			
			case "calling" :
				if(xm.opt.firstRun) {
					window.location.hash = "search";
				} else {
					xv.showSection(2);
				}
			break;
			
			case "settings" :
				xv.showSection(3);
			break;
			
			default :
				if(loc.indexOf("-") > -1) {
					var station = $.URLDecode(loc.slice(loc.indexOf("-") + 1));
					xm.el.station.val(station);
					xm.ajax.callLDB(station," ", true, xc.stationJSONHanlder);
				} 
			break;
		
		}
		
		return false;
			
	},
		
	settingsClickHandler : function(e) {

		var input;
		
		if(e.target.nodeName.toLowerCase() == "button") {
			input = $(e.target).siblings("input");
			if(input.length) {
			
				switch(input[0].id) {
				
					case "work" :
						xm.storage.setStation("workStn", input.val())
					break;
					
					case "home" :
						xm.storage.setStation("homeStn", input.val())
					break;
					
					case "fav" :
						xm.storage.addSave("favorites",input.val());
					break;
					
				}
			} else {
				input =  $(e.target).closest("tr");
				xm.storage.removeSave("favorites",input.find("td").eq(0).text());
			}
			
		}
		
		xm.storage.setStationPicker();
		xv.renderFaves();
		
	},
	
	timerHandler : function(e) {
		xm.ajax.callLDB(xm.el.station.val(),xm.el.filter.val(), xm.opt.departing, xc.stationJSONHanlder);
	},
	
	startTimer : function() {
		xc.stopTimer();
		xm.timer = setInterval(xc.timerHandler, xm.opt.refreshTime);
	},
	
	stopTimer : function() {
		clearInterval(xm.timer);
		xm.timer = "";
	},
	
	rowOver : function() {
		$(this).animate({"left" : 30},250,"swing");
	},
	
	rowOut : function() {
		$(this).animate({"left" : 0},250,"swing");
	},
	
	windowClickHandler : function(e) {
		//reset the timer
		if(xm.el.station.val().length > 1) {
			xc.startTimer();
		}
		//hide tool tips
		if(e.target.nodeName.toLowerCase() === "body") xv.hideTip();
	},
	
	fadeClickHandler : function(e) {
		var back = e.clientX < window.innerWidth / 2;
		var callingShown = xm.el.calling.children("div").css("display") === "block";
		e.preventDefault();
		switch(window.location.hash) {
			case ("#search"):
				if(!back) {
					window.location.hash = "results"
				} else {
					window.location.hash = "settings"
				}
			break;
			case ("#results"):
				if(back) {
					window.location.hash = "search"
				} else {
					if(callingShown) {
						window.location.hash = "calling"
					} else {
						window.location.hash = "settings"
					}
				}
			break;
			case ("#calling"):
				if(back) {
					window.location.hash = "results"
				} else {
					window.location.hash = "settings"
				}
			break;
			case ("#settings"):
				if(back) {
					if(callingShown) {
						window.location.hash = "calling"
					} else {
						window.location.hash = "results"
					}
				} else {
					window.location.hash = "search"
				}
			break;
			default: 
				window.location.hash = "results"
			break;
		}
	}
}

/**
Start plugins
**/

$.extend({URLEncode:function(c){var o='';var x=0;c=c.toString();var r=/(^[a-zA-Z0-9_.]*)/;
  while(x<c.length){var m=r.exec(c.substr(x));
    if(m!=null && m.length>1 && m[1]!=''){o+=m[1];x+=m[1].length;
    }else{if(c[x]==' ')o+='+';else{var d=c.charCodeAt(x);var h=d.toString(16);
    o+='%'+(h.length<2?'0':'')+h.toUpperCase();}x++;}}return o;},
URLDecode:function(s){var o=s;var binVal,t;var r=/(%[^%]{2})/;
  while((m=r.exec(o))!=null && m.length>1 && m[1]!=''){b=parseInt(m[1].substr(1),16);
  t=String.fromCharCode(b);o=o.replace(m[1],t);}return o;}
});

jQuery.easing['jswing'] = jQuery.easing['swing'];

jQuery.extend( jQuery.easing,
{
	def: 'easeOutQuad',
	swing: function (x, t, b, c, d) {
		//alert(jQuery.easing.default);
		return jQuery.easing[jQuery.easing.def](x, t, b, c, d);
	},
	easeInQuad: function (x, t, b, c, d) {
		return c*(t/=d)*t + b;
	},
	easeOutQuad: function (x, t, b, c, d) {
		return -c *(t/=d)*(t-2) + b;
	}
	
});

/*
 * jQuery Color Animations
 * Copyright 2007 John Resig
 * Released under the MIT and GPL licenses.
 */

(function(jQuery){

	// We override the animation for all of these color styles
	//jQuery.each(['backgroundColor', 'borderBottomColor', 'borderLeftColor', 'borderRightColor', 'borderTopColor', 'color', 'outlineColor'], function(i,attr){
		jQuery.fx.step['backgroundColor'] = function(fx){
			if ( fx.state == 0 ) {
				fx.start = getColor( fx.elem, 'backgroundColor' );
				fx.end = getRGB( fx.end );
			}

			fx.elem.style['backgroundColor'] = "rgb(" + [
				Math.max(Math.min( parseInt((fx.pos * (fx.end[0] - fx.start[0])) + fx.start[0]), 255), 0),
				Math.max(Math.min( parseInt((fx.pos * (fx.end[1] - fx.start[1])) + fx.start[1]), 255), 0),
				Math.max(Math.min( parseInt((fx.pos * (fx.end[2] - fx.start[2])) + fx.start[2]), 255), 0)
			].join(",") + ")";
		}
	//});

	// Color Conversion functions from highlightFade
	// By Blair Mitchelmore
	// http://jquery.offput.ca/highlightFade/

	// Parse strings looking for color tuples [255,255,255]
	function getRGB(color) {
		var result;

		// Check if we're already dealing with an array of colors
		if ( color && color.constructor == Array && color.length == 3 )
			return color;

		// Look for rgb(num,num,num)
		if (result = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(color))
			return [parseInt(result[1]), parseInt(result[2]), parseInt(result[3])];

		// Look for rgb(num%,num%,num%)
		if (result = /rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(color))
			return [parseFloat(result[1])*2.55, parseFloat(result[2])*2.55, parseFloat(result[3])*2.55];

		// Look for #a0b1c2
		if (result = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(color))
			return [parseInt(result[1],16), parseInt(result[2],16), parseInt(result[3],16)];

		// Look for #fff
		if (result = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(color))
			return [parseInt(result[1]+result[1],16), parseInt(result[2]+result[2],16), parseInt(result[3]+result[3],16)];

		// Otherwise, we're most likely dealing with a named color
		return colors[jQuery.trim(color).toLowerCase()];
	}
	
	function getColor(elem, attr) {
		var color;

		do {
			color = jQuery.curCSS(elem, attr);

			// Keep going until we find an element that has color, or we hit the body
			if ( color != '' && color != 'transparent' || jQuery.nodeName(elem, "body") )
				break; 

			attr = "backgroundColor";
		} while ( elem = elem.parentNode );

		return getRGB(color);
	};
	
	// Some named colors to work with
	// From Interface by Stefan Petre
	// http://interface.eyecon.ro/

	var colors = {
		green:[0,128,0]
	};
	
})(jQuery);