// NanoBaseHelpers is where the base template helpers (common to all templates) are stored
NanoBaseHelpers = function ()
{
	var _baseHelpers = {
			// change ui styling to "syndicate mode"
			syndicateMode: function() {
				$('body').css("background-color","#8f1414");
				$('body').css("background-image","url('uiBackground-Syndicate.png')");
				$('body').css("background-position","50% 0");
				$('body').css("background-repeat","repeat-x");

				$('#uiTitleFluff').css("background-image","url('uiTitleFluff-Syndicate.png')");
				$('#uiTitleFluff').css("background-position","50% 50%");
				$('#uiTitleFluff').css("background-repeat", "no-repeat");

				return '';
			},
			combine: function( arr1, arr2 ) {
				return arr1 && arr2 ? arr1.concat(arr2) : arr1 || arr2;
			},
			dump: function( arr1 ) {
				return JSON.stringify(arr1);
			},
			// Generate a Byond link
			link: function( text, icon, parameters, status, elementClass, elementId) {

				var iconHtml = '';
				var iconClass = 'noIcon';
				if (typeof icon != 'undefined' && icon)
				{
					iconHtml = '<div class="uiLinkPendingIcon"></div><div class="uiIcon16 icon-' + icon + '"></div>';
					iconClass = 'hasIcon';
				}

				if (typeof elementClass == 'undefined' || !elementClass)
				{
					elementClass = '';
				}

				var elementIdHtml = '';
				if (typeof elementId != 'undefined' && elementId)
				{
					elementIdHtml = 'id="' + elementId + '"';
				}

				if (typeof status != 'undefined' && status)
				{
					return '<div unselectable="on" class="link ' + iconClass + ' ' + elementClass + ' ' + status + '" ' + elementIdHtml + '>' + iconHtml + text + '</div>';
				}

				return '<div unselectable="on" class="link linkActive ' + iconClass + ' ' + elementClass + '" data-href="' + NanoUtility.generateHref(parameters) + '" ' + elementIdHtml + '>' + iconHtml + text + '</div>';
			},
			//generate a submit button styled like a link
			submitButton: function( text, icon, formid, status, elementClass, elementId) {

				var iconHtml = '';
				var iconClass = 'noIcon';
				if (typeof icon != 'undefined' && icon)
				{
					iconHtml = '<div class="uiLinkPendingIcon"></div><div class="uiIcon16 icon-' + icon + '"></div>';
					iconClass = 'hasIcon';
				}

				if (typeof elementClass == 'undefined' || !elementClass)
				{
					elementClass = '';
				}

				var elementIdHtml = '';
				if (typeof elementId != 'undefined' && elementId)
				{
					elementIdHtml = 'id="' + elementId + '"';
				}

				if (typeof status != 'undefined' && status)
				{
					return '<div unselectable="on" class="button ' + iconClass + ' ' + elementClass + ' ' + status + '" ' + elementIdHtml + '>' + iconHtml + text + '</div>';
				}

				return '<div unselectable="on" class="button buttonActive ' + iconClass + ' ' + elementClass + '" data-formid="' + formid + '" ' + elementIdHtml + '>' + iconHtml + text + '</div>';
			},
			// Since jsrender breaks the ^ operator
			xor: function(number,bit) {
				return number ^ bit;
			},
			precisionRound: function (value, places) {
				if(places==0)
					return Math.round(number);
				var multiplier = Math.pow(10, places);
				return (Math.round(value * multiplier) / multiplier);
			},
			// Round a number to the nearest integer
			round: function(number) {
				return Math.round(number);
			},
			// Round a number down to integer
			floor: function(number) {
				return Math.floor(number);
			},
			// Round a number up to integer
			ceil: function(number) {
				return Math.ceil(number);
			},
			// Format a string (~string("Hello {0}, how are {1}?", 'Martin', 'you') becomes "Hello Martin, how are you?")
			string: function() {
				if (arguments.length == 0)
				{
					return '';
				}
				else if (arguments.length == 1)
				{
					return arguments[0];
				}
				else if (arguments.length > 1)
				{
					stringArgs = [];
					for (var i = 1; i < arguments.length; i++)
					{
						stringArgs.push(arguments[i]);
					}
					return arguments[0].format(stringArgs);
				}
				return '';
			},
			formatNumber: function(x) {
				// From http://stackoverflow.com/questions/2901102/how-to-print-a-number-with-commas-as-thousands-separators-in-javascript
				var parts = x.toString().split(".");
				parts[0] = parts[0].replace(/\B(?=(\d{3})+(?!\d))/g, ",");
				return parts.join(".");
			},
			// Display a bar. Used to show health, capacity, etc.
			displayBar: function(value, rangeMin, rangeMax, styleClass, showText) {

				if (rangeMin < rangeMax)
				{
					if (value < rangeMin)
					{
						value = rangeMin;
					}
					else if (value > rangeMax)
					{
						value = rangeMax;
					}
				}
				else
				{
					if (value > rangeMin)
					{
						value = rangeMin;
					}
					else if (value < rangeMax)
					{
						value = rangeMax;
					}
				}

				if (typeof styleClass == 'undefined' || !styleClass)
				{
					styleClass = '';
				}

				if (typeof showText == 'undefined' || !showText)
				{
					showText = '';
				}

				var percentage = Math.round((value - rangeMin) / (rangeMax - rangeMin) * 100);

				return '<div class="displayBar ' + styleClass + '"><div class="displayBarFill ' + styleClass + '" style="width: ' + percentage + '%;"></div><div class="displayBarText ' + styleClass + '">' + showText + '</div></div>';
			},
			// Convert explosion range to thing.
			explosionToClass: function(range, cap) {
				if(range >= cap) return 'bad';
				if(cap * 0.25 * 0.66 <= range * 0.25) return 'bad';
				if(cap * 0.25 * 0.33 <= range * 0.25) return 'average';
				return 'good';
			},
			// Convert status to class for cameras
			statusToClass: function(status) {
				if(status==0) return 'good';
				if(status==1) return 'average';
				return 'bad';
			},
			statusToSpan: function(level) {
				if(level==0) return '"<span class="good">Active</span>"';
				if(level==1) return '"<span class="average">Deactivated</span>"';
				return '"<span class="bad">No Response</span>"';
			},
			// Convert danger level to class (for the air alarm)
			dangerToClass: function(level) {
				if(level==0) return 'good';
				if(level==1) return 'average';
				return 'bad';
			},
			dangerToSpan: function(level) {
				if(level==0) return '"<span class="good">Good</span>"';
				if(level==1) return '"<span class="average">Minor Alert</span>"';
				return '"<span class="bad">Major Alert</span>"';
			},
			generateHref: function (parameters) {
				var body = $('body'); // We store data in the body tag, it's as good a place as any
				_urlParameters = body.data('urlParameters');
				var queryString = '?';

				for (var key in _urlParameters)
				{
					if (_urlParameters.hasOwnProperty(key))
					{
						if (queryString !== '?')
						{
							queryString += ';';
						}
						queryString += key + '=' + _urlParameters[key];
					}
				}

				for (var key in parameters)
				{
					if (parameters.hasOwnProperty(key))
					{
						if (queryString !== '?')
						{
							queryString += ';';
						}
						queryString += key + '=' + parameters[key];
					}
				}
				return queryString;
			},
			// Display DNA Blocks (for the DNA Modifier UI)
			displayDNABlocks: function(dnaString, selectedBlock, selectedSubblock, blockSize, paramKey, blockLabels) {
				if (!dnaString)
				{
					return '<div class="notice">Please place a valid subject into the DNA modifier.</div>';
				}

				var characters = dnaString.split('');

				var block = 1;
				var subblock = 1;
				var html;
				// For some reason, the FIRST block index number (the black "1") is copypasted here and drawn separately. It was like that when I found it, I swear.
				if (paramKey.toUpperCase() == 'SE')
					{
						html = '<div class="dnaBlock"><div class="link linkActive dnaBlockNumber" data-href="' + NanoUtility.generateHref({'changeBlockLabel' : block}) + '" title="'+blockLabels[block-1]["name"]+'" style="background:'+blockLabels[0]["color"]+'">1</div>';
					}
				else
					{
						html = '<div class="dnaBlock"><div class="link dnaBlockNumber">1</div>';
					}
				// And then all the actual block contents (i.e. DAC, starting from 1) and the rest of the block index numbers (starting from 2) are drawn in this loop.
				for (index in characters)
				{
					if (!characters.hasOwnProperty(index) || typeof characters[index] === 'object')
					{
						continue;
					}

					var parameters;
					if (paramKey.toUpperCase() == 'UI')
					{
						parameters = { 'selectUIBlock' : block, 'selectUISubblock' : subblock };
					}
					else
					{
						parameters = { 'selectSEBlock' : block, 'selectSESubblock' : subblock };
					}

					var status = 'linkActive';
					if (block == selectedBlock && subblock == selectedSubblock)
					{
						status = 'selected';
					}

					html += '<div class="link ' + status + ' dnaSubBlock" data-href="' + NanoUtility.generateHref(parameters) + '" id="dnaBlock' + index + '">' + characters[index] + '</div>'

					index++;
					if (index % blockSize == 0 && index < characters.length)
					{
						block++;
						subblock = 1;
						if (paramKey.toUpperCase() == 'SE')
							{
								html += '</div><div class="dnaBlock"><div class="link linkActive dnaBlockNumber" data-href="' + NanoUtility.generateHref({'changeBlockLabel' : block}) + '" title="'+blockLabels[block-1]["name"]+'" style="background:'+blockLabels[block-1]["color"]+'">' + block + '</div>';
							}
						else
							{
								html += '</div><div class="dnaBlock"><div class="link dnaBlockNumber">' + block + '</div>';
							}
					}
					else
					{
						subblock++;
					}
				}

				html += '</div>';

				return html;
			}
		};

	return {
		addHelpers: function ()
		{
			NanoTemplate.addHelpers(_baseHelpers);
		},
		removeHelpers: function ()
		{
			for (var helperKey in _baseHelpers)
			{
				if (_baseHelpers.hasOwnProperty(helperKey))
				{
					NanoTemplate.removeHelper(helperKey);
				}
			}
		}
	};
} ();